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

data layers:

alaska1964_obs (points)
alaska1964_runup (points)
alaska64_inundation (line)

Observations of the Alaska 1964 tsunami event as described in Fiedorowicz (1997) and updated by Horning (Appendix C, Tsunami Pilot Study Working Group, 2006). The runup line is based on observations (A) and tsunami deposits (B). The values associated with each observation represent runup elevation in meters based on a vertical datum of Mean High Water. Meaning of different eyewitness runup indicators listed in (A) described in Appendix C. Locations of possible tsunami sand and mud layers are provided in (B).

(A)

(B)

Data Description

Data Catalog

References