1946 Vancouver Island earthquake
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| Date | June 23, 1946 |
|---|---|
| Magnitude | 7.3 Mw |
| Depth: | approx. 20 km (12 mi) |
| Epicenter location: | |
| Countries/ regions affected |
Canada |
| Casualties: | 2 killed |
The 1946 Vancouver Island earthquake was a 7.3 magnitude earthquake that struck Vancouver Island on the coast of British Columbia, Canada at 10:15 a.m. on Sunday, June 23, 1946.[1] The main shock epicenter occurred in the Forbidden Plateau area northwest of Courtenay. While most of the large earthquakes in the Vancouver area occur at tectonic plate boundaries, the 1946 Vancouver Island earthquake was a crustal event.[2] Shaking was felt from Portland, Oregon to Prince Rupert, British Columbia. The earthquake is remembered as one of the most damaging earthquakes in the history of British Columbia. However, damage was restricted because there were no heavily populated areas near the epiceter, where the violent shaking occurred.
This earthquake is Canada's largest historic onshore earthquake.[1] However, the greatest earthquake in Canadian history recorded by seismometers was the 1949 Queen Charlotte earthquake, a interplate earthquake that occurred along in the ocean bottom just offshore the rugged coast of Graham Island which reached magnitude 8.1 on the moment magnitude scale.[3]
[edit] See also
[edit] References
- ^ a b The M7.3 Vancouver Island Earthquake of 1946 Retrieved on 2008-06-11
- ^ 1946 Vancouver Island Earthquake Anniversary Retrieved on 2008-06-11
- ^ The Magnitude 8.1 Queen Charlotte Island Earthquake of Augest 22, 1949 Retrieved on 2008-06-11
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