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8.7 earthquake off coast of Kamchatka.

Good news fom Oregon Live, about 45 minutes ago, although they don't mention observations (BTW, I'm ~70 miles inland, on the other side of a mountain range, and not near a coastal river, but plenty of people are vulnerable to tsunamis here):

UPDATE 12:45 A.M.: No immediate damage or injuries were reported in the hour after tsunami waves were predicted to start hitting the Oregon coast. Emergency officials still warned people to stay off beaches and away from harbors and marinas through Wednesday morning, cautioning that surges can continue for hours.
Click to expand...

Some parts of Oregon and the rest of the coast are getting small waves, per the latest obs reported.
 
Something I didn't know and worth sharing for everyone on any coast. (He's an NHK disaster reporter. ) X translation: "A tsunami can sweep you away even at 30 centimeters. It’s completely different from a normal wave. Please escape without letting your guard down."

 
Looks like there were several pretty decent waves in Hawaii, 6-9 feet locally wave to trough. Reached porches and such probably with scattered damage, and at least two foot waves on the Pacific coast, but overall heard of no direct casualties. Still the largest tsunami in a long time in the US but damage seems pretty limited.
 
Any further tsunami waves coming in? An 8.8 is definitely the strongest I’ve ever seen or heard about.
 
Posted less than half an hour ago by a seismologist:




Of course, that's hardly noticeable to bystanders now.

Also, other seismologists I follow informally tweeted that the fault seemed to rupture to the SW -- ? length. That might be hard to estimate yet. There were a 6.9 and a 6.3 listed by the USGS shortly after the main shock; maybe it was a complex break.

This model graphic is from an official geoscience account (Spain):

 
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