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Cascadia subduction zone USGS - Public domain map

Cascadia subduction zone USGS - Public domain map

description

Summary

Cascadia subduction zone. This is the site of recurring en:megathrust earthquakes at average intervals of about 500 years, including the en:Cascadia Earthquake of en:1700.

date_range

Date

2016
create

Source

U.S. Geological Survey
copyright

Copyright info

public domain

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