What the records say
- When
- 27 Jan 1700
- Kind
- Tsunami
- Coordinates
- 45.00° N, 125.00° W
- Deaths
- 2
- Source quake magnitude
- 9
- Runups
- 7
Placed at the area, not an exact site.
1700 Cascadia earthquake
Megathrust earthquake in the Pacific Northwest region
The 1700 Cascadia earthquake occurred along the Cascadia subduction zone on January 26, 1700, with an estimated moment magnitude of 8.7–9.2. The megathrust earthquake involved the Juan de Fuca plate from mid-Vancouver Island, south along the Pacific Northwest coast as far as northern California. The plate slipped an average of 20 meters along a fault rupture about 1,000 kilometers long.
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The source
- NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page