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UPDATE: No tsunami threat to coastal B.C. after earthquakes near Vancouver Island, Alaska

A 7.4 earthquake occurred 75 miles south of Chignik, Alaska
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A screen shot of the tsunami.gov website shows the areas of coastal Alaska under tsunami advisories or warnings following a magnitude 7.4 earthquake late July 21, 2020. Coastal British Columbia is not under threat of tsunami. (SCREENSHOT)

There is no tsunami threat for coastal British Columbia, according to Emergency Info BC, following earthquakes off the coast of Alaska and Vancouver Island.

A 7.4 magnitude earthquake occurred 75 miles south of Chignik, Alaska at 10:13 p.m. AKDT, or Alaska time, July 21. The earthquake was approximately eight miles deep.

Tsunami warnings and advisories were issued for a number of coastal Alaska regions, however, British Columbia was not included in those advisories.

Earthquakes Canada detected “seismic activity” of 4.6 magnitude off the coast of Port Hardy at 11:16 p.m.

The U.S. Tsunami Warning System registered another 6.2 magnitude earthquake at 4:33 a.m. July 22. Off the coast of Vancouver Island, it occurred approximately 130 miles southwest of Port Alice at a depth of 10 miles.

No warnings or advisories were issued for that quake.

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Susie Quinn

About the Author: Susie Quinn

A journalist since 1987, I have been the Alberni Valley News editor since August 2006.
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