Auckland

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Natural Disasters and Hazards

Key information on preparing for natural events such as earthquakes, flooding, and tsunamis, which Auckland may experience.

Sections

1. Types of Natural Disasters and Hazards in Auckland

Auckland is located in a geologically active region, and while it is not as prone to some disasters as other parts of New Zealand, there are still risks to be aware of:

a. Volcanic Eruptions

  • Auckland sits on the Auckland Volcanic Field, which consists of around 53 dormant volcanic cones. While the field is currently inactive, it is considered a long-term hazard as eruptions could occur in the future.
  • The most recent eruption in the field was Rangitoto Island, approximately 600 years ago.
  • Volcanic eruptions could result in ashfall, lava flows, and localized earthquakes.

b. Earthquakes

  • Auckland is not as seismically active as other parts of New Zealand (e.g., Wellington or Christchurch), but minor earthquakes can still occur.
  • The risk of a major earthquake in Auckland is low, but it is still important to be prepared.

c. Tsunamis

  • Aucklandโ€™s coastal location makes it vulnerable to tsunamis, particularly those generated by undersea earthquakes in the Pacific Ocean.
  • Low-lying coastal areas, such as beaches and harbors, are at higher risk.

d. Severe Weather Events

  • Auckland experiences heavy rain, strong winds, and occasional flooding, especially during the winter months (June to August).
  • Cyclones and tropical storms from the Pacific can also bring extreme weather, though they are less frequent.

e. Landslides

  • Heavy rainfall can lead to landslides, particularly in hilly or coastal areas with unstable soil.

f. Coastal Hazards

  • Rising sea levels and storm surges can cause coastal erosion and flooding in low-lying areas.

2. Common Safety Risks

  • Ashfall from volcanic eruptions can disrupt air travel, damage infrastructure, and pose health risks (e.g., respiratory issues).
  • Flooding can damage homes, roads, and public transport systems, making travel difficult.
  • Strong winds can bring down trees and power lines, causing power outages.
  • Tsunamis can cause rapid flooding and destruction in coastal areas.
  • Landslides can block roads and damage properties in affected areas.

3. Local Emergency Procedures

New Zealand has a well-organized emergency management system, and Auckland is no exception. Hereโ€™s what you need to know:

a. National and Local Authorities

  • National Emergency Management Agency (NEMA): Oversees disaster preparedness and response across New Zealand.
  • Auckland Emergency Management (AEM): The local authority responsible for coordinating emergency responses in Auckland.

b. Emergency Alerts

  • New Zealand uses the Emergency Mobile Alert System, which sends alerts directly to mobile phones in the event of a disaster. These alerts are free and do not require an app or subscription.
  • Alerts may include information about tsunamis, severe weather, or other emergencies.

c. Evacuation Procedures

  • In the event of a tsunami, move immediately to higher ground or as far inland as possible. Follow evacuation routes and signage.
  • For volcanic eruptions, follow instructions from local authorities, which may include staying indoors or evacuating specific areas.
  • During severe weather or flooding, avoid driving or walking through floodwaters and stay indoors if possible.

d. Emergency Numbers

  • Dial 111 for police, fire, or ambulance services in an emergency.
  • Auckland Emergency Management provides updates and resources during disasters.

4. Costs Related to Preparedness

Preparing for natural disasters in Auckland does not have to be expensive, but there are some costs to consider:

a. Emergency Kits

  • A basic emergency kit should include:
    • Non-perishable food and water (3 daysโ€™ supply per person)
    • First aid kit
    • Flashlight and batteries
    • Portable phone charger
    • Radio (battery-powered or hand-crank)
    • Face masks (for ashfall or dust)
    • Estimated cost: NZD $100โ€“$300, depending on the size of your household.

b. Insurance

  • Ensure you have adequate home and contents insurance that covers natural disasters, including earthquakes, flooding, and volcanic eruptions.
  • The Earthquake Commission (EQC) provides some coverage for natural disasters as part of your insurance policy.
  • Estimated cost: Varies based on property value and location.

c. Evacuation Costs

  • In the event of an evacuation, you may need to pay for temporary accommodation, transportation, and food. Having an emergency fund is advisable.

5. Local Site-Specific Considerations

  • Coastal Areas: Suburbs like Mission Bay, Devonport, and Takapuna are more vulnerable to tsunamis and coastal flooding.
  • Volcanic Zones: Areas near volcanic cones (e.g., Mount Eden, One Tree Hill) may face higher risks in the event of an eruption.
  • Flood-Prone Areas: Low-lying suburbs such as New Lynn and parts of West Auckland are more susceptible to flooding during heavy rain.

6. Resources, Apps, and Alerts

Auckland and New Zealand have several resources to help residents and visitors stay informed and prepared:

a. Websites

b. Apps

  • GeoNet App: Provides real-time updates on earthquakes, tsunamis, and volcanic activity.
  • MetService App: Offers weather forecasts and alerts for severe weather.
  • Red Cross Hazard App: Includes information on preparing for and responding to disasters in New Zealand.

c. Emergency Contacts

  • Civil Defence Centres: These are set up during major emergencies to provide shelter and assistance. Locations will be announced during an event.
  • Local Radio Stations: Tune in to local stations (e.g., Newstalk ZB or Radio New Zealand) for updates during emergencies.

7. Practical Tips for Visitors and Residents

  • Stay Informed: Sign up for alerts and monitor local news and weather reports.
  • Know Your Risks: Familiarize yourself with the hazards specific to your area (e.g., coastal vs. inland).
  • Plan Ahead: Have an emergency plan, including meeting points and evacuation routes.
  • Pack an Emergency Kit: Keep it accessible at home and consider a smaller version for your car.
  • Respect Warnings: Follow instructions from authorities promptly during emergencies.

By staying informed and prepared, you can significantly reduce the risks associated with natural disasters in Auckland. While the likelihood of major events is relatively low, itโ€™s always better to be prepared.