USGS, NOAA, FEMA

U.S. Geological Survey
Data Series 236
Version 1.0

Seaside, Oregon, Tsunami Pilot Study—Modernization of FEMA Flood Hazard Maps: GIS Data

data layers: near-field earthquake sources

sourceXX (grid) for XX = 15 to 26

A, Points are centroids of triangular areas for which slip was specified for each of the source scenarios in the lower image.

Cascadia subduction zone slip sources

B, Source scenarios (coseismic vertical displacement) of Mw~9 Earthquakes for Cascadia Subduction Zone (Tsunami Pilot Study Working Group, 2006)

Cascadia subduction zone source scenarios 15 to 26

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