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Chilean Earthquake Triggered Microquakes in California

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posted on Dec, 30 2010 @ 04:27 PM
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Neat. An article just released in the journal Geophysical Research Letters contends that seismicity at the Coso geothermal field in CA was triggered by the 8.8 Chilean quake.

I can't read the entire article without purchasing it, but from the abstract:

Several microearthquakes near the Coso Geothermal Field were apparently triggered, with the largest earthquake (Ml 3.5) occurring during the large-amplitude Love surface waves. The Chile mainshock also triggered numerous tremor bursts near the Parkfield-Cholame section of the San Andreas Fault (SAF).
www.agu.org...

I remember that swarm near Coso, it was interesting at the time.

A news link from the time:
laist.com...

What's interesting to me is that there was quite a bit of activity at Coso prior to the Chilean quake. If you look at the Quake Watch 2010 thread, starting at around page 6 you can follow the sequence of events.
edit on 30-12-2010 by quakewatcher because: added forgotten link to cited article




posted on Dec, 30 2010 @ 04:45 PM
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Found a post in the quake watch thread citing the Coso swarm which followed the Chilean quake. (As opposed to the ones that preceded it.)

www.abovetopsecret.com...

The Coso area is volcanic, it's also being heavily utilized at the moment for geothermal power.
en.wikipedia.org...

and more on "clusters" from the time of the Chilean quake:
www.insidebayarea.com...



posted on Dec, 30 2010 @ 05:24 PM
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Geothermal fields are commonly hit by quakes so this is no big deal.



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