Vanuatu faces two different major natural-hazard systems at once. Tropical cyclones grow over warm ocean waters when atmospheric conditions allow large rotating storm systems to form. Earthquakes occur because the islands lie in a geologically active Pacific zone where tectonic plates interact. Both can cause serious damage, but they have different causes, warning times and protective responses.
The most useful answer is this: a cyclone is a weather event whose path can often be monitored before landfall, while a damaging earthquake may occur with little or no actionable advance warning. Some offshore earthquakes can also generate tsunamis. Volcanoes introduce another hazard with their own monitoring methods. Vanuatu’s dispersed islands make the task harder because warnings, evacuation, water, medical care and repair teams must cross sea channels and reach many different communities.
Vanuatu’s hazards at a glance
Vanuatu lies in the southwestern Pacific and contains a long chain of islands. Severe tropical storms, earthquakes, tsunami hazards, volcanic activity, heavy rainfall, landslides and coastal flooding can threaten different places. Cyclones are monitored through meteorological forecasts and designated alerts. Earthquakes are monitored through seismic networks; tsunami information combines geophysical detection and warning arrangements.
The Vanuatu Meteorology and Geo-Hazards Department (VMGD) is the specialist source for national weather and geological information. The National Disaster Management Office (NDMO) helps coordinate disaster management and public preparedness. A general article cannot replace current official alerts for a specific island or hour.
Where is Vanuatu on the Pacific map?
Vanuatu stretches across an archipelago east of Australia, west of Fiji and northeast of New Caledonia. Its islands include Efate, Espiritu Santo, Tanna, Ambrym, Pentecost and many others. Deep ocean water surrounds steep islands, coastal settlements and active geological features. This location explains much of the country’s exposure.
A cyclone crossing the southwest Pacific may affect islands at different times and strengths. An earthquake near one island may disrupt that island’s roads or water systems without affecting the whole country equally. The key planning mistake is to assume that one forecast or damage photograph represents every island. Good warnings and disaster assessments identify the location and period clearly.
Why do tropical cyclones form over warm water?
Tropical cyclones are rotating low-pressure weather systems that draw energy from warm ocean waters, moisture and favourable atmospheric conditions. As moist air rises and condenses, energy is released and the system may develop. Wind patterns and the surrounding atmosphere influence whether a storm strengthens, weakens or changes direction.
Warm water alone does not guarantee a cyclone. The atmosphere must also permit organised circulation, and a storm’s track is shaped by larger weather systems. Forecast centres continuously update observations as conditions change. This is why a cyclone may be possible days ahead yet its exact impact on a small island remains uncertain until nearer the event.
What is the cyclone season in Vanuatu?
Vanuatu’s principal tropical-cyclone season is generally associated with the warmer part of the Southern Hemisphere year, commonly November through April. Significant weather hazards can still occur outside those months. An average seasonal description is not a live forecast for today’s conditions.
Families, schools and businesses therefore need a preparedness plan before the storm season rather than waiting until a storm has already formed. Roof maintenance, safe water storage, understanding official shelters and knowing how to receive warnings are ongoing responsibilities. The exact decisions to take when a hazard approaches must follow official VMGD and NDMO instructions for the area.
Why can cyclones damage so many different systems?
Strong winds can damage roofs, trees, power lines and coastal facilities. Heavy rainfall can flood roads or trigger slope failures, while storm surges and waves can threaten low-lying shorelines. Damage to one system may interrupt others: a clinic without power struggles to refrigerate medicines, and a damaged wharf can delay the arrival of relief supplies.
This is called cascading disruption. The cyclone is the initiating hazard, but the final effects on households depend on building quality, terrain, drainage, maintenance, service backup and access to help. A community that protects its water tanks and essential public buildings may recover more quickly even when it cannot prevent every property from being damaged.
Why is island transport a special challenge?
A disaster on a mainland highway may sometimes have a convenient alternative land route. Vanuatu’s islands depend on sea and air connections. High seas and strong winds can stop vessels, while damaged wharves and airstrips can prevent deliveries even after the weather improves. A small remote clinic may wait longer for supplies than one beside a major urban hospital.
Resilience requires appropriate stock planning, safe transport options, accurate route information and coordinated requests for assistance. A warehouse in Port Vila cannot help a distant island without a usable onward connection. This is why disaster policy and the everyday transport system are inseparable. The broader island-network explanation is in How Vanuatu Works | Islands, Government, Economy and Natural Disasters.
How does Vanuatu’s cyclone alert system work?
The NDMO uses colour-coded cyclone alerts to tell communities when to prepare, act and shelter. Its official Colour Alerts guidance describes Blue as preparation, Yellow as a time to get ready and act, and Red as a time to remain in a safe shelter or place. The guidance identifies broad expected time horizons, but current official bulletins determine what applies to a specific area.
Colour is not a decorative label. It links meteorological information to actions by households, schools, transport operators and emergency organisations. Because weather tracks can shift, people should monitor updated official communications and not rely on a screenshot from an earlier day. Exact alert conditions and timing must be taken from the live authority rather than memorised from a general article.
What does a Blue Alert mean?
Under the NDMO’s published awareness guidance, Blue signals that a cyclone is forecast to pose a possible threat within a relatively short period and that preparation is needed. Households are advised to stay informed, secure loose items, protect important documents and review the nearest appropriate safe place. The official page describes forecasts within approximately 48 hours.
The practical point is to make decisions while conditions still allow preparation. That may include checking water supplies, communication methods, essential medicines and arrangements for household members who need support. A family should follow the alert actually in force, because official forecasts and detailed directions may differ by province and storm.
What happens when Yellow Alert is issued?
Yellow is a stronger prompt for immediate readiness. NDMO guidance tells people to complete preparation and consider movement to a suitable safe place early when their current building or location is unsafe. Schools, employers and service operators may have procedures triggered by the current official direction.
The danger of waiting is that road, sea or weather conditions may worsen before someone can reach safety. However, a general guide should not invent evacuation routes or shelters. People need to use official local instructions and account for actual conditions. An island or neighbourhood may have a different safe location from another place even when both are under the same broad alert colour.
Why is Red Alert different?
Red Alert means people should remain in a safe shelter or safe place and follow emergency updates under the NDMO’s public guidance. The official information warns against going outside until the appropriate all-clear is issued. The exact wording of a current alert should take precedence over any historical example quoted online.
This illustrates the difference between advance preparedness and response during dangerous weather. Before a storm, the system focuses on securing property, supplies and safe access. When conditions become dangerous, it prioritises protecting lives. The all-clear is also important because fallen cables, unstable structures, flooding and other hazards may remain after winds begin to ease.
Who issues weather and geohazard information?
VMGD monitors weather, climate and geophysical activity and publishes scientific information and warnings. NDMO coordinates wider disaster-management responsibilities with government agencies, provincial partners, communities and other organisations. Police, health services, schools and transport providers have their own operational roles.
The user sees one instruction, but many institutions may contribute. Meteorologists analyse a storm; emergency managers translate hazard information into response coordination; community leaders communicate locally; facility operators keep essential services working. Clear handoffs reduce confusion. It is more useful to know which authority owns each decision than simply memorise a long list of agency abbreviations.
Why is Vanuatu also prone to earthquakes?
Vanuatu lies near an active tectonic plate boundary in the southwest Pacific. The motion and interaction of tectonic plates can build stress in the Earth’s crust and generate earthquakes when faults move. The region includes deep ocean trenches and complex geological structures. Earthquakes can occur at various depths and distances from populated islands.
This is a geological process separate from tropical weather. A sunny day can still experience strong shaking, while a cyclone can occur without an earthquake. Confusing the hazards can lead to poor planning. Buildings and communities need both storm resilience and earthquake safety appropriate to local site conditions.
Can scientists predict the exact time of an earthquake?
Scientists can identify earthquake-prone regions, monitor seismic activity and assess hazard, but they cannot reliably forecast the precise time, location and magnitude of a damaging future earthquake days in advance. Some monitoring networks can detect an earthquake quickly after it starts and distribute information, but that is different from an advance prediction.
The consequence for preparedness is important. Households cannot assume there will be a Blue- or Yellow-style warning before shaking. Building standards, understanding protective actions and planning what to do immediately after an event are therefore central. For authoritative current seismic information, consult VMGD’s Geohazards service.
What happened in the December 2024 Port Vila earthquake?
On 17 December 2024, a powerful magnitude 7.3 earthquake struck near Vanuatu’s capital. Buildings, roads, bridges and other infrastructure suffered damage, and people were injured or killed. UNICEF’s December 2025 one-year review reported more than 80,000 people affected, including about 40,000 children.
The practical consequences continued beyond the initial shaking. Water services, schools and healthcare facilities required repair and support. The UNICEF one-year earthquake response describes recovery needs and outcomes. Because different agencies revised casualty and damage estimates at different times, every figure needs a date and source. This article is concerned with the service-system lessons, not sensational footage.
Why do buildings suffer different earthquake damage?
Earthquake effects depend on ground motion, soil conditions, building design, material quality, maintenance and other factors. A well-designed, appropriately constructed structure may perform much better than a poorly detailed one nearby. Older or damaged buildings require qualified assessment after significant shaking.
A building can look standing and still contain hidden structural damage. Public officials and engineering professionals need to inspect affected facilities before declaring them safe for normal use. Residents should not infer structural safety from a photograph or from the fact that another building in the neighbourhood remained intact. This is a case where qualified local engineering advice is essential.
Why can landslides follow an earthquake?
Strong shaking can destabilise slopes and rock or soil masses. Rainfall, vegetation, geological conditions and previous disturbance also influence slope stability. Landslides may block roads, damage buildings and make access to ports or hospitals difficult.
Even after the strongest shaking has stopped, unstable slopes and damaged bridges can create further hazards. Recovery planning therefore includes route inspections and safe alternative paths. A hospital may still have staff and equipment but be unable to receive patients if its access road is blocked. This is one reason the cost of an earthquake extends beyond visible cracked walls.
Can an earthquake cause a tsunami?
Yes, certain underwater or coastal earthquakes can displace the seabed and disturb a large volume of water, generating tsunami waves. Not every earthquake does so. The size and danger of a tsunami depend on the source mechanism, location, bathymetry and coastline.
A tsunami is not the same thing as ordinary surf or a storm surge. It can arrive as a sequence of powerful waves and currents, and the first arrival is not necessarily the largest. VMGD’s Tsunami Information page explains natural warning signs and appropriate local responses. People near the coast should follow official instructions and not wait for an electronic message if clear natural tsunami warning signs occur.
What are natural tsunami warning signs?
VMGD identifies severe ground shaking near the coast, unusual retreat of seawater and an unusual roaring sound from the ocean among possible natural warning signs. The absence of one sign does not prove there is no danger. A tsunami may occur without every observer noticing the same environmental changes.
Official Vanuatu guidance emphasises prompt movement to safer higher ground or inland when appropriate natural warning signs occur and warns against approaching exposed reefs or beaches. Do not try to observe or photograph a suspected tsunami. Follow VMGD, NDMO and local emergency services for the correct evacuation routes and all-clear. This article does not identify safe locations for a specific community.
Why should people not return after the first tsunami wave?
Tsunamis may consist of multiple waves over an extended period. Water can surge repeatedly and create dangerous currents even between apparently calmer periods. The first wave is not necessarily the highest, and an early fall in water level is not a guarantee that the event has ended.
VMGD advises remaining away from danger areas until an official all-clear is given. This matters especially where bridges, roads or coastal structures may have been damaged. A safe evacuation is not completed merely because the first visible wave has passed. The correct timing comes from the responsible authorities, not a general timetable.
What is the difference between tsunami, storm surge and flooding?
A tsunami is generally caused by an event that displaces water, often an undersea earthquake. Storm surge is a rise in sea level associated with the pressure and winds of a storm, while flooding can result from heavy rainfall, rivers or coastal water. A community can face more than one type of water hazard, but causes and warning approaches differ.
Cyclone preparations often focus on forecasts, wind, rain and storm conditions. Tsunami safety can require a much faster response to local natural signs. Drainage projects designed for rainwater may not protect against a large tsunami, and a coastal warning system does not replace flood-resilient streets. Hazards need to be distinguished before choosing engineering or preparedness measures.
Why does Vanuatu have active volcanoes?
Volcanoes form in tectonically active settings where magma can reach the Earth’s surface. Vanuatu has several volcanic centres, including well-known systems on Tanna, Ambrym, Ambae and other islands. Some areas have ongoing monitoring and restrictions, which change with activity. A volcano can remain dangerous even when photographs make its landscape look accessible.
The VMGD Volcanoes page lists alerts for monitored volcanic systems and provides technical updates. It is unsafe to assume that the status listed in an old guide still applies. Volcanic gas, ash, explosions and changing terrain may create hazards beyond the crater itself. Any actual access decision must follow current official guidance.
What do volcanic alert levels mean?
A volcanic alert level communicates the monitored status and relevant hazard context for a particular volcano. Different volcanoes can have different alert levels at the same time. A number or label is not an invitation to approach a crater or interpret safety without the accompanying official explanation.
VMGD may update alert information whenever meaningful volcanic activity changes, and it publishes monitoring resources. The correct educational lesson is the difference between long-term knowledge of a volcanic region and the immediate status of a specific system. Use the current bulletin and designated exclusion arrangements, not a general country’s risk ranking.
Why are the six provinces important to disaster response?
Vanuatu is divided into Torba, Sanma, Penama, Malampa, Shefa and Tafea. Provincial and local institutions can connect national information with dispersed islands and settlements. They help identify local needs, accessible routes, vulnerable facilities and community arrangements.
A storm striking one island may leave other islands relatively unaffected, creating opportunities for assistance but also logistical coordination challenges. Clear responsibilities between national authorities and provincial or community partners help prioritise deliveries and repairs. Geography makes an effective local contact network as important as a national headquarters.
What is community-based disaster risk reduction?
Community-based disaster risk reduction means identifying hazards, vulnerable people, essential facilities and practical ways to reduce harm with meaningful local participation. Communities know where roads flood, which buildings serve as gathering places, and which households may need help. Technical authorities supply additional hazard analysis and appropriate standards.
NDMO publishes a community-based disaster risk reduction handbook and other guidance. A plan is more credible when residents understand it, practise relevant procedures and know how to receive updated instructions. A sophisticated document stored in one office is less useful than a simple, understood process that people can carry out safely.
How do schools prepare for multiple hazards?
Schools need age-appropriate instructions, safe buildings, communication with families and procedures coordinated with current local authority guidance. The correct action for a cyclone alert may differ from the immediate response to earthquake shaking or possible tsunami signs. Teachers and parents should understand those differences rather than give children one vague instruction for every emergency.
Recovery also matters. After the 2024 earthquake, UNICEF reported in February 2025 that 45 schools and 20 early-childhood centres were affected, with classrooms damaged to varying degrees. Temporary learning spaces and materials helped pupils continue. See UNICEF’s school recovery account. A safe return to learning includes structural assessment and emotional support, not only new textbooks.
What does a clinic need to remain operational?
A remote health facility needs safe structural access, trained staff, medicines, water, sanitation, equipment and reliable electricity. Disasters can interrupt several at once. Backup supplies and well-planned referral arrangements help, but an island clinic may also depend on boats or aircraft to transfer patients.
In February 2026, UNICEF reported a new resilience programme targeting stronger healthcare services for more than 30,000 people in remote Vanuatu communities. Its assessment highlighted deficiencies in power, water and hygiene facilities. The programme announcement shows that disaster resilience often begins with ordinary reliable services before a hazard strikes.
Why is clean water a priority after disasters?
Water supplies can be damaged by ruptured tanks, broken pipes, contamination or failure of pumps. Strong rain does not automatically create safe drinking water, and an earthquake can destroy a storage tank in a single moment. Restoration requires source checks, repairs, treatment and communication about what water is safe to use.
A UNICEF December 2025 feature described rebuilding water infrastructure in Mele village after the earthquake damaged tanks and pipelines. See Water of Hope: How Mele Is Rebuilding. This illustrates that a functioning water system is a public-health asset requiring local management and maintenance long after an emergency team leaves.
Why do telecommunications matter during emergencies?
Radio, mobile networks, internet links and other communication methods can carry forecasts, emergency instructions, requests for help and updates on roads or services. Damage to towers, power lines or equipment can interrupt these channels. A household that depends on only one communication technology may be more vulnerable when it fails.
Public plans therefore benefit from clear, redundant ways to transmit information and from messages that people can understand in the languages they use. But multiple channels still need reliable sources. Sharing an old warning without its date can create confusion. Official updates should include the affected location and the time of issuance.
How can building design reduce disaster losses?
Construction can account for expected wind loads, shaking, rainfall, drainage and local ground conditions. Suitable foundations, roof connections, structural detailing, material quality and maintenance all affect performance. No structure can be declared safe for all conceivable hazards, but competent design can reduce vulnerability.
A project may need to consider more than one threat. A building strong against wind could still be exposed to landslide or tsunami danger because of its location. Design decisions should therefore begin with site assessment and applicable local standards, not simply copying a building from another island. Qualified professionals and local authorities are essential to evaluating a proposed structure.
How do ports and airports recover?
An island’s wharf or airport is a lifeline for food, equipment, medical support and economic activity. After a disaster, responsible engineers and operators must assess safety and restore services in an order consistent with public needs. A port may need cleared access roads as well as repaired loading equipment.
The December 2024 earthquake damaged important routes around Port Vila, demonstrating how transport interruptions can compound the loss of buildings. If a ship can dock but trucks cannot reach a clinic, the relief chain remains incomplete. A resilient plan considers the entire route from overseas or another island to the final receiving facility.
How do small businesses prepare for interruptions?
Shops, farms, tourist operators and repair services need realistic plans for essential stock, records, staff safety and reopening procedures. Business continuity is about staying connected to suppliers, payments and customers when normal services are interrupted. The appropriate precautions depend on the activity and the location.
A guesthouse can survive a storm physically yet struggle because the water supply, road and booking communications fail. A farmer may lose access to market even when crops remain intact. Public recovery that restores shared roads and utilities can help many businesses at once. The best investment often lies in connections rather than only private backup equipment.
What happens to tourism after a disaster?
Tourism depends on safe access, infrastructure, community capacity and reliable information. A cyclone or earthquake can change available flights, accommodation and cultural sites, while other areas may be unaffected. It is misleading to treat the entire country as uniformly safe or uniformly closed based on one event or one social-media clip.
For actual travel, current official advisories, local transport providers and competent authorities must determine what is possible. An educational guide can explain the risk mechanisms but cannot certify a beach, volcano tour or building as safe in real time. Residents’ recovery needs and cultural values should come before an outsider’s desire for dramatic photographs.
How do governments pay for preparedness and recovery?
Disaster management requires funding for monitoring, public communication, emergency supplies, inspections, repairs and long-term resilience. National budgets, local resources and development partners may all contribute. Financial planning also needs to consider that a country may face more than one major event before repairs from the last are finished.
The World Bank has analysed Vanuatu’s public finances through the lens of disaster resilience, showing that repeated shocks can complicate growth and spending. It is useful to separate emergency humanitarian assistance, restoration of a specific service and longer-term investment that reduces future risk. Each has different goals and performance measures. See Dealing with Disasters: Analysing Vanuatu’s Economy and Public Finances.
Why is the all-clear as important as the first alert?
People may think danger has ended once winds ease, shaking stops or the first wave retreats. But damaged electricity lines, unstable buildings, landslides, flooding and further waves can remain hazardous. The authorised all-clear and any local restrictions are part of the emergency communication process.
This is why a coloured alert, scientific bulletin and public instruction should be treated as components of one coordinated system. A household should follow current official notices and avoid making assumptions from how calm the weather looks outside. Restoration agencies also need time to inspect critical infrastructure before ordinary activity resumes.
What is the difference between resilience and emergency response?
Emergency response deals with urgent needs during or immediately after an event. Resilience is the longer-term ability of households, institutions and infrastructure to withstand, adapt to and recover from shocks. A robust water tank, trained school staff and a functioning warning network are resilience measures; water deliveries and rescue coordination may be response measures.
The best public system needs both. Strong roofs cannot prevent every earthquake, and excellent rescue work cannot replace safe building design. Rebuilding should consider what caused the failure and whether better approaches can reduce future damage. People benefit when new investments maintain everyday services even without a dramatic newsworthy disaster.
Case study: a cyclone is forecast near an island
VMGD tracks a developing tropical system and the responsible authorities issue guidance for affected areas. A community receives official information through radio, mobile or local channels. Households review their safe places, protect essential supplies and follow the currently issued alert. Local service operators check their own responsibilities.
The success of the process depends on the warning reaching people early enough and in a form they can understand. If a mobile network fails, radio or community contacts may help. If a household member needs assistance reaching safety, prior planning matters. The example shows why forecast skill, infrastructure and community readiness have to work together.
Case study: earthquake shaking damages a water system
An earthquake damages a storage tank and breaks a pipeline. Water supply becomes unreliable while maintenance crews assess the site. Hospitals, schools and residents need safe alternatives, and public officials must communicate accurately about water quality. Qualified engineers determine what can be repaired and what needs reconstruction.
The visible earthquake lasted a short time, but the water interruption may take much longer to resolve. A good recovery plan prioritises health, protects workers and restores distribution with proper testing and maintenance. This is what happened in principle in communities rebuilding after the 2024 event. It shows how a geological event can become an infrastructure and public-health crisis.
Case study: a tsunami warning reaches a coastal school
A coastal school has a plan based on local official hazard mapping and instructions. If there is a strong natural warning sign or an official tsunami alert, teachers use the locally prescribed protective and evacuation procedures. Communication with families is coordinated to avoid confusion that could expose children to additional danger.
The exact route and safe destination cannot be guessed from a national article because terrain and hazard zones differ. The critical lessons are to recognise the nature of the threat, act according to official guidance, provide for children and people needing assistance, and remain away from danger until the responsible authorities announce it is safe to return.
Case study: a damaged pier cuts off a supply route
A cyclone leaves a remote island’s landing facility damaged. A shop cannot receive restocking, and a clinic needs medical supplies. A national warehouse may have adequate inventory, but transporting it to the community is the missing step. Authorities and transport operators assess safe alternative delivery options.
Repairing the pier may eventually restore regular commerce and public services. The short-term response must prioritise essential needs without exposing crews or residents to unsafe conditions. An island economy relies on many small transport nodes, each of which can become a critical connection. This is why local infrastructure often deserves as much attention as high-profile national projects.
Case study: school learning continues after damaged classrooms
An earthquake affects several school buildings. Qualified specialists inspect the premises. Education authorities and partners arrange appropriately safe temporary learning spaces, materials and plans for learners who have missed lessons. Families need consistent information about when and where instruction can safely resume.
The response should not count success only by tents or desks delivered. Children need teaching, feedback, familiar routines and support for stress and disrupted learning. Strong education recovery connects physical safety with the child’s longer-term development. The complementary Understanding the Education System of Vanuatu explains the country’s broader learning pathways.
How should students compare cyclones, earthquakes and volcanoes?
Make a three-column table. In the first, write where a hazard comes from: atmosphere and warm ocean, tectonic movement or volcanic processes. In the second, identify what the relevant scientific agencies can monitor. In the third, describe the types of public services affected, such as roads, water, schools and clinics.
Then add a fourth column: which official authority provides current warnings and instructions? Avoid copying an action appropriate for one hazard into another without checking. Finally, place the hazard on a map showing the actual island and its population, routes and facilities. This turns disaster geography into practical systems thinking and helps students understand why local knowledge matters.
Frequently asked questions about Vanuatu’s natural hazards
Why does Vanuatu have earthquakes? It lies in an active tectonic plate-boundary region. Why does it have cyclones? Warm tropical waters and suitable weather patterns can support powerful rotating storms. Can cyclones cause earthquakes? No; they arise from different physical processes. Can earthquakes cause tsunamis? Certain offshore or coastal earthquakes can, but not all do.
When is the main cyclone season? Generally November to April, though weather risks occur outside those months. What is a Red Alert? NDMO’s published cyclone-alert guidance instructs people to stay in a safe shelter or place and heed official updates. Are volcanoes also active? Yes, on certain islands, with official monitoring. Where can I check live alerts? VMGD and NDMO, with current local emergency instructions taking precedence over general educational articles.
Explore the wider How Countries Work series
Read How Vanuatu Works | Islands, Government, Economy and Natural Disasters to understand the full island economy and public-service system. Explore Why Uzbekistan’s Aral Sea Dried Up for a different environmental crisis caused largely by human water-management decisions.
Follow the How Countries Work world archive and compare urban services with How Singapore Works | Civilisation. The related Vanuatu places guide is for geographical learning, not a current travel-safety determination.
Sources, safety and editorial date
Official Vanuatu references are VMGD, its Geohazards service, Tsunami Information and Volcano monitoring, plus NDMO cyclone alerts and its community preparation resources.
Recovery evidence comes from UNICEF’s one-year earthquake review, its water reconstruction account and the February 2026 healthcare resilience project. Editorial review: 20 October 2026. This is an explanatory education article; it cannot provide real-time warnings, safe evacuation routes, medical assessments or permission to access hazard zones. Follow current competent authorities during an actual emergency.