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National Tsunami Hazard Mitigation Program

The NTHMP was formed in recognition of the tsunami threat to Oregon, Washington, and northern California from a magnitude 9 earthquake on the Cascadia subduction zone, the April 1992 earthquake and tsunami on the Cascadia subduction zone in northern California, and the loss of life and property in Japan due to the 1994 Hokkaido, Japan earthquake and tsunami.

The NTHMP is a partnership between NOAA, the United States Geological Survey (USGS), the Federal Emergency Management Agency (FEMA), the National Science Foundation (NSF), and the 28 U.S. Coastal States Territories, and Commonwealths. For more information:

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