Edit: Don't worry. Be happy. June 14, 9 PM West Coast Tsunami warning is canceled.
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OK. This is off-topic. We need Babbling.

Tsunami alert for the west coast. First I've ever seen. 7.5 earthquake off Eureka.

More after I go look.

CBS News 8 minutes ago:

Nothing on the radio. I saw one of those annoying TV EAS Emergency Alert Service messages about it, but all I hear is regular news and sports and talk

Nothing on TV. Oh... MSNBC has a crawl. Evacuating residents in low lying areas near Crescent City.

USGS Map: Recent Activity

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http://www.prh.noaa.gov/ptwc/wmsg

Added:

Added:

http://wcatwc.arh.noaa.gov/message.txt

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Quaeso quousque humi defixa tua mens erit? Nonne aspicis, quae in templa veneris?

And now:

http://wcatwc.arh.noaa.gov/message.txt

Looks like a false alarm. Quick response, though.

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Quaeso quousque humi defixa tua mens erit? Nonne aspicis, quae in templa veneris?

Nevermind....

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Does this mean the earth's rotation is about to reverse?

Sorry, ducking for cover...

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As above, so below

No, the tsunami won't cause the Earth's rotation to reverse.
The Earthquake will take care of it though.

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Oh, cancelled for Hawaii, as well:

http://www.prh.noaa.gov/ptwc/hmsg

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Quaeso quousque humi defixa tua mens erit? Nonne aspicis, quae in templa veneris?

Hmmm I wounder if it will go near us on the western rim....

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If this writing is blue you're going too fast!

Well, reading a news story (LA Times: Tsunami Warning Rattles West Coast), I see it was the first tsunami alert for California in about 20 years. No wonder it seemed novel.

It says emergency lines were swamped because people didn't know what they were supposed to do once they were alerted. The alert did seem a little weak in the advice department.

Seek higher ground. Yeah, I'm gonna drive a few miles so I can find hils to gain 200 feet of elevation. Maybe I should have climbed my palm tree. It's the highest thing I can get to easily. Really, Silicon Valley isn't very vulnerable to tsunamis, being separted from deep water by a long stretch of shallow bay or the protective Santa Cruz mountains. So, personally I wasn't sweating it. Just keeping an eye on things.

I guess it was good practice. Maybe next time they'll tell us what to do.

What's with the EAS Emergency Alert System? 999 times out of 1000 it's an Amber Alert for a missing kid -- and those are seldom stranger abductions -- not usually the most noteworthy event to the general public (but, yes, I know, they are to those involved). Then, once they've dulled you to that sort of alert, along comes a natural-disaster warning that might save thousands of lives and they use the same darn alert tone to try to grab your attention. I wish they'd change that -- maybe just lower the tone for lower priority alerts.

Gee, while I was typing, with TV on, they just tested the EAS system. Good timing. That BRAAAAP sure got my attention this time. This is only a test...

Finally, I invite the proprietor to move this topic to a more appropriate forum. Sorry for the abuse. It was an emergency!

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Oh, it was a strike-slip, with sideways motion, not a thrust that raises water, so it shouldn't be a problem for you other-siders.

They issued the alert here, somewhat automatically because the quake at sea was 7.0 or more and then, when no water rise was noted anywhere, they fairly qucikly canceled the alert for North America and then Hawaii. If Hawaii's safe from this, you must be.

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OK

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If this writing is blue you're going too fast!

Actually it appears to be volcanic in origin. It occured on the San Juan Plate which is known to have Seamount Volcanoes and the quake itself lasted over 1.5 minutes and was followed by a series of harmonic tremors for almost 2 full hours. This is more in line with volcanic activity then plate movement.

Note the Blue quake about 2.5 hours after event event isn't an aftershock, it's that one occured in the Sister Uplift area, around a magnitude of .9

http://www.pnsn.org/WEBICORDER/BB/WI...005061500.html

Also there was no P or S wave precursor, another indication of volcanic quake as opposed to plate slipage.

My guess is a Seamount Volcanoe erupted.

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There is no problem that cannot be solved by a suitable application of high explosives - US Army Demolitions School

I just saw Hayley's comet, she waved, Said "why you always running in place? Even the man in the moon disappeared, Somewhere in the stratosphere" - Shinedown

http://worldsofothersuns.home.comcast.net/

I hope folks weren't relying on BABBling for important news and such.

CJSF

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Two years ago moved from my town
I was looking up past the city lights
But the city lights got in my way

See the constellation ride across the sky
No cigar, no lady on his arm
Just a guy made of dots and lines

-from "See The Constellation"
by They Might Be Giants

We can make this astronomy related if we try hard enough. I got a great view of the night sky from the palm tree that I climbed for safety.

I hadn't realized our little off-shore plate extended that far south.

the only channel I could get information from was our belovedly hokey NWCN--NorthWest (yes, I know, but it's how they spell it) Cable News. they rightly concluded that those of us in their broadcasting area would really, really care--though, since I live at the southern tip of the Puget Sound, I was pretty sure we're tsunami-safe. all those coastline curves. however, I was actually sent home to watch the news by friends who are in the middle of moving and don't have their cable hooked up yet after they received a phone call about the warning. (home being across the street.)

and wouldn't we post here if the earthquake were observed on, say, the moon? and that's still not astronomy but seismology.

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Gillian

"Now everyone was giving her that kind of look UFOlogists get when they suddenly say, 'Hey, if you shade your eyes you can see it is just a flock of geese after all.'"

"You can't erase icing."

"I can't believe it doesn't work! I found it on the internet, man!"

Earthquake on the moon? That would be a first. :P
(couldn't resist)

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Earth First! We'll mine the rest later.

Selenaquake wouldn't it be? And any study selenology?

I don't think we have to worry about this thread. Earth is a planet and studying planets is part of astronomy. We just get a closer look at this planet.

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It's just one of those damn things of which there are many few. -- Dan Blocker

Looks like it's been upgraded to a 7.2 quake.

Jaun de Fuca Platehttp://vulcan.wr.usgs.gov/Glossary/P..._cascades.html

And Quake Locationhttp://earthquake.usgs.gov/eqinthenews/2005/usziae/

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There is no problem that cannot be solved by a suitable application of high explosives - US Army Demolitions School

I just saw Hayley's comet, she waved, Said "why you always running in place? Even the man in the moon disappeared, Somewhere in the stratosphere" - Shinedown

http://worldsofothersuns.home.comcast.net/

Close one. I'm glad to see no large tsunami was generated.

Both Shasta and Lassen Peak in California are Cascade volcanoes, related to the south end of the subduction zone off the coast.

Another one just hit east of LA. (~2:00 PST)
5.4 is the early magnitude.
Sizable enough to shake my whole building here in Orange County.

This is simply off-topic.

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Phil Plait
The Bad Astronomer
http://www.badastronomy.com
badastro@badastronomy.com