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The Episodic Tremor and Slip event is going on now beneath Puget Sound. The estimated energy dissipated by
some of the previous events are equivalent to a 6.7 subduction zone roller, but drawn out over several weeks.
Last tell during this event The Olympic mountains moved west about 5 mm as well.
It is concerning that my neighborhood part of the Cascadia S.Z. is locked, and has been for 300 years or so.
www.pnsn.org/WEBICORDER/...ter2008.html
some of the previous events are equivalent to a 6.7 subduction zone roller, but drawn out over several weeks.
Last tell during this event The Olympic mountains moved west about 5 mm as well.
It is concerning that my neighborhood part of the Cascadia S.Z. is locked, and has been for 300 years or so.
www.pnsn.org/WEBICORDER/...ter2008.html
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Portland
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Re: ETS event happening under Puget Sound
Sat, September 20, 2008 - 2:02 AMWhat does it mean that your area is "locked'? -
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Re: ETS event happening under Puget Sound
Sat, September 20, 2008 - 11:43 AMLocked means it isn't slipping. Which could be a concern in that it could mean that strain is building up for a "big one". -
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Re: ETS event happening under Puget Sound
Sat, September 20, 2008 - 7:06 PMThanks....and you are right about it could be building up. Hummm...is it STILL happening, still slowly slipping, or was it a big slip of sorts for a time there? , -
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Re: ETS event happening under Puget Sound
Sun, September 21, 2008 - 6:54 AMAll done for the year on June 2. Here is the link to the page.
www.pnsn.org/WEBICORDER/...ter2008.html
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