YEARS BC 8000

7000

6000

5000

4000

3000

2000

1000

0

1000

KNOWN CASCADIA EARTHQUAKES ALONG THE CASCADIA SUBDUCTION ZONE IN NORTHERN CALIFORNIA, OREGON, AND WASHINGTON

Earthquake of Magnitude 9+ (fault breaks along entire subduction zone)
Earthquake of Magnitude 8+ (fault breaks along southern half of subduction zone)

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EVENTS IN
HUMAN
HISTORY

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Cascadia Earthquake Timeline

2000 YEARS AD

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