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Redlands earthquakes become a 'swarm' (California)
INT ^ | 02/19/10

Posted on 02/19/2010 2:13:17 PM PST by winoneforthegipper

REDLANDS--An active earthquake “swarm” that began February 13th is keeping parts of the Inland Empire on edge.

The shaking has been traced to an epicenter south of Redlands in San Timoteo Canyon.

Two quakes felt just before noon Friday were among the strongest at M3.4.

(Excerpt) Read more at inlandnewstoday.com ...


TOPICS: News/Current Events; US: California
KEYWORDS: california; earthquakes; eq; usgs
Audio comment by a geologist at link. Common is this swarm however, interesting to note is at the same time there are two other swarms in progress, one in Geyers, California and the other near Goldfield, Nevada.

I would not say that california is ready to be claimed by the pacific, but there has been a marked increase in activity at both California swarms and in intensity to some degree.

Something to discuss and keep an eye on.

1 posted on 02/19/2010 2:13:17 PM PST by winoneforthegipper
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To: winoneforthegipper

“Earthquake swarms are one of the events typically preceding eruptions of volcanoes.”

(from elsewhere) Wouldn’t that be a hoot?


2 posted on 02/19/2010 2:29:20 PM PST by Ingtar (I closed my eyes, only for a moment, and the moment's gone...)
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To: winoneforthegipper

The Union Pacific main line runs right through San Timoteo Canyon. It used to be part of the Southern Pacific “Sunset Route” until the UP bought out the SP.


3 posted on 02/19/2010 2:47:42 PM PST by Parley Baer
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To: Ingtar

Both the areas are geothermic however it appears to be more tectonic related than volcanic.

The daily tally sheet for quakes is remarkable though, it is running about 50 percent higher than normal(by my calculations).

http://earthquake.usgs.gov/earthquakes/recenteqsus/Quakes/quakes_all.php


4 posted on 02/19/2010 2:48:21 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: Parley Baer

That is interesting. I did not consider rail traffic in the area?


5 posted on 02/19/2010 2:49:19 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: winoneforthegipper

I’ve been looking at the USGS site for about 4 months now. I’ve noticed quite a few along the fault that runs along the salton sea down to Mexico. Has there been a big one to relieve stress along this stretch the last 50-100 years?


6 posted on 02/19/2010 3:10:22 PM PST by machogirl (First they came for my tagline.)
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To: machogirl
Ah a fellow watcher....lol!

The small fault lines including the one that transverses the Salton Sea are major players in the scheme of things.

It is a strong bet that quake swarms along these smaller fault lines could indeed increase the likelihood of a major quake along the San Andreas.

As for the history of that particular fault line I am not sure.

7 posted on 02/19/2010 3:32:33 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: winoneforthegipper

Here is a map plotting all the quakes in California over the last week.

http://quake.usgs.gov/recenteqs/latestfault.htm


8 posted on 02/19/2010 3:41:47 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: winoneforthegipper

Those swarms are interesting. You can start a real panic by remarking that Rhyolite Nevada, is named thusly for a reason.


9 posted on 02/19/2010 4:36:29 PM PST by JimSEA
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To: winoneforthegipper; Ernest_at_the_Beach; NormsRevenge; WestCoastGal

Is this going to interfere with this weekends Nascar races in Fontana? and there are always several small quakes a day at the Geysers...


10 posted on 02/19/2010 7:47:53 PM PST by tubebender (Thanks to all the Patriots who support Free Republic financially...)
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To: JimSEA

LOL, Ryholite you mean? Or is there something more sinister?


11 posted on 02/19/2010 7:48:17 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: tubebender

Ya, the Geysers are very active however this latest swarm is by far and away above the norm.

The only quake Fontana is going to have is Kasey Kahne, crossing the finish line first!...lol


12 posted on 02/19/2010 7:58:56 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: winoneforthegipper

a Kahne win would be great as he is one pick on my FReeper League team...


13 posted on 02/19/2010 8:01:19 PM PST by tubebender (Thanks to all the Patriots who support Free Republic financially...)
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To: winoneforthegipper

I have only felt one so far. And it was because I was sitting down.


14 posted on 02/19/2010 8:08:13 PM PST by ThomasThomas (Sometimes I like nuts. That's why I am here.)
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To: ThomasThomas

Which swarm are you closer to?


15 posted on 02/19/2010 8:10:25 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: tubebender

Good choice, though it seems that Jamie is on a high and Montoya is looking pretty good as well.

Should be a good race when it’s all said and done.


16 posted on 02/19/2010 8:12:01 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: winoneforthegipper

I live a short ways south of south of Redlands, just south west of San Timoteo Canyon.


17 posted on 02/19/2010 8:18:15 PM PST by ThomasThomas (Sometimes I like nuts. That's why I am here.)
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To: ThomasThomas

In the last 1/2 hour there were five quakes. One was just over 3.0 the other four short of that. Did you feel any of them?


18 posted on 02/19/2010 8:23:01 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: winoneforthegipper

Hey One will take out Mac partner or no partner...


19 posted on 02/19/2010 8:42:08 PM PST by tubebender (Thanks to all the Patriots who support Free Republic financially...)
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To: winoneforthegipper

No but the rock had to get there out of a hole in the crust.
Why wouldn’t another one pop up near by?


20 posted on 02/19/2010 8:44:14 PM PST by JimSEA
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To: tubebender

I know Kasey owes Gordo a bump or two...lol


21 posted on 02/19/2010 8:57:33 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: JimSEA

You lost me on that one...lol


22 posted on 02/19/2010 8:58:21 PM PST by winoneforthegipper ("If you can't ride two horses at once, you probably shouldn't be in the circus" - SP)
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To: winoneforthegipper

No but I have been moving around.


23 posted on 02/20/2010 8:06:18 AM PST by ThomasThomas (Sometimes I like nuts. That's why I am here.)
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To: Ingtar
“Earthquake swarms are one of the events typically preceding eruptions of volcanoes.”

Great, I picked a fine time to be in California. I've got Lassen on one side and Mt. Shasta in front of me!

24 posted on 02/20/2010 8:21:08 AM PST by DejaJude
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