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The National Tsunami Hazard Mitigation Program (NTHMP) Steering Committee consists of representatives from the National Oceanic and Atmospheric Administration (NOAA), the Federal Emergency Management Agency (FEMA), the U.S. Geological Survey (USGS), and the states of Alaska, California, Hawaii, Oregon, and Washington. The program addresses three major components: hazard assessment, warning guidance, and mitigation. The first two components, hazard assessment and warning guidance, are led by physical scientists who, using research and modeling methods, develop products that allow communities to identify their tsunami hazard areas and receive more accurate and timely warning information. The third component, mitigation, is led by the emergency managers who use their experience and networks to translate science and technology into user-friendly planning and education products. Mitigation activities focus on assisting federal, state, and local officials who must plan for and respond to disasters, and for the public that is deeply affected by the impacts of both the disaster and the pre-event planning efforts. The division between the three components softened as NTHMP scientists and emergency managers worked together to develop the best possible products for the users given the best available science, technology, and planning methods using available funds.

This article examines local myth and folklore related to earthquakes, landslides, and tsunamis in oral traditions from Cascadia (part of the northern Pacific coast of North America) and in written traditions from Japan, particularly in the Edo (present-day Tokyo) region. Local folklore corresponds closely to geological evidence and geological events in at least some cases, and the symbolic language of myth and folklore can be a useful supplement to conventional geological evidence for constructing an accurate historical record of geological activity. At a deep, archetypical level, Japan, Cascadia, and many of the world's cultures appear to share similar themes in their conception of earthquakes. Although folklore from Cascadia is fragmentary, and the written record short, the evolution of Japanese earthquake folklore has been well documented over a long period of history and illustrates the interaction of folklore with dynamic social conditions.

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