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California - Current Level
Tsunami impacts from water disturbing events on the Pacific Ocean such as landslides (above and underwater), volcanic eruptions, earthquakes and meteor impacts are all possibilities. With the Ring of Fire wrapping the Pacific plate, the chances are much higher that volcanic eruptions and/or earthquake activity will create large waves on the West coast of the US. As an example, a large earthquake on the Cascadia fault occurs once every 300-1000 years. On January 26, 1700, a rupture of the entire fault occurred and caused a tsunami that impacted Hawaii, Japan and Australia. It has been 312 years since the last fault rupture at this location and there are many like it surrounding the Pacific plate.

California, bordering the Pacific Ocean, is particularly vulnerable if a large tsunami hit the west coast and flooded inland. The series can also be used to see how the state would be impacted by global sea level rise.

Select Sea Level Rise (in feet):
To use the map above, select the ocean level rise you would like to view, use the plus and minus keys on the keyboard or the mousewheel to zoom in and out. Click and drag on the map to change the viewing location.

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