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Alaska's Aleutian Islands are shaking

bjdeming

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No comment because even the experts are uncertain. Tweeted two hours ago:

 

bjdeming

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Comment after looking through the USGS list: This layperson thinks the focal mechanism graphic looks like thrust faulting (a volcanism cause would look different). If I lived along the Oregon coast instead of 70 miles inland and behind a mountain range, I'd have my bugout bag prepared and be hyperaware of emergency alerts, just in case these are foreshocks.

Trouble is, it's not like a tornadic squall line coming through -- Earth keeps itself hidden and moves in its own good time. You can't simply stay up and wait for it.
 

bjdeming

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Brief summary posted just now. Excerpt:

Although today’s swarm includes larger earthquakes than typical, there is still no cause for Alaskans to worry, says Alaska Earthquake Center director and state seismologist Michael West.

“Swarms of moderately large earthquakes are common in the Aleutians and do not necessarily portend anything more substantial,” says West. However, he adds, “Because this area has been in, or on the edge, of numerous large historical earthquakes, we are keeping close watch on it.”
 
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