Back to Map
Natural DisasterCatastrophic
The Really Big One
Cascadia Subduction Earthquake
"What if the Cascadia Subduction Zone ruptured completely?"
Rate this scenario:
Share:
First 24 Hours
The Rupture
The Aftermath
One Month Later
The New Reality
Five Years Later
1
The Rupture
Four Minutes of Shaking
The 700-mile fault ruptures, shaking for 4 minutes followed by a 100-foot tsunami.
Key Points
- 1M9.2 quake shakes for 4 minutes
- 2Seattle, Portland, Vancouver devastated
- 3Tsunami hits coast within 15 minutes
- 4I-5 corridor impassable
- 513,000 immediate deaths
Statistics
9.2
Magnitude
100ft
Tsunami height
Comments (0)
No comments yet. Be the first!