Hazard Maps, News, & Resources - This page has moved to http://nathazmap/hazards/earthquakeThe content below is provided as a courtesy. Click here for up-to-date information

This page has moved to http://nathazmap/hazards/earthquake

The content below is provided as a courtesy.

Click here for up-to-date information

Earthquake Hazard Map Resources

Some helpful US federal government resources for natural hazard maps are listed below. The links open in a new window so you can use NatHazMap.com as an index as you browse.

USGS Earthquake Hazards Program - Maps of recent quakes, regional information, seismic design values for builders, research and monitoring and more.

USGS Earthquakes Lists and Maps - Maps and statistics for historical earthquakes both in the US and worldwide.

USGS Natural Hazards Support System - Interactive map viewer with layers for recent earthquake, volcanic activity, tsunami activity, and much more.

USGS 2009 Earthquake Probability Mapping - generates a map of earthquake probability based on data(magnitude, location, and number of years) the user inputs

FEMA Earthquake Hazard Page - General information on earthquake hazard, disasters and earthquake preparedness.

FEMA HAZUS Earthquake Modeling - Earthquake/Seismic Hazard Modeling tool for GIS professionals.

State-Specific Hazard Map Resources

For state-specific information, contact your State Geologist and your State Office of Emergency Management. At a local level, contact your city or county emergency management, planning, zoning, environmental and/or health office/department.

Additional Resources

Some additional non-profit, academic and collaborative natural hazard map resources are listed below. If you know of a useful website you would like to see featured here please contact us.

American Red Cross -Natural disaster preparedness and relief.

See anything we missed? Your suggestions help us improve this website. Questions, comments, or suggestions? Contact Us

Earthquake Hazard Mapping

Earthquakes are caused by a release of stored energy in the earth's crust, usually as a result of sudden movement along a fault surface. This causes seismic waves, which may be felt as shaking at the surface. In addition, earthquakes can cause tsunamis, or tidal waves. Earthquakes occur on an almost daily basis, though not all are strong enough to be felt. Earthquakes can cause property damage, injury, and death. In addition, earthquakes can cause tsunamis, landslides, flooding, wildfires, avalanches, and environmental health concerns.

Earthquake damage, Mexico City, 1985. Photo M. Celibi. Courtesy USGS

To reduce losses due to earthquakes, it is important to identify areas of the earth more prone to earthquakes and areas more susceptible to high-intensity shaking as a result. Specialized seismic hazard maps help identify these in order to insure safe building practices and to plan for earthquake events. Building codes may require structures to be earthquake resistant in certain areas.

In the United States, the United States Geologic Survey, or USGS, is the primary federal agency for earthquake related mapping. FEMA and other federal, state, or local agencies may be involved as well. Some useful resources are listed below.

To learn more about earthquake hazards in your area, contact the appropriate local, state or federal agency. If you plan to build, develop, or inhabit areas subject to earthquake hazards, consult a qualified professional regarding the hazard, your risk, and options for mitigation. The information on this site is only intended as an educational tool to help you get started. By using it you are subject to our terms of use.

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