Author Topic: PRE-QUAKE CHANGES SEEN IN ROCKS  (Read 2284 times)

Offline furtune

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PRE-QUAKE CHANGES SEEN IN ROCKS
« on: July 09, 2008, 06:10:15 PM »
Scientists have made an important advance in their efforts to predict earthquakes, the journal Nature says.

A team of US researchers has detected stress-induced changes in rocks that occurred hours before two small tremors in California's San Andreas Fault.

The observations used sensors lowered down holes drilled into the quake zone.

The team says we are a long way from routine tremor forecasts but the latest findings hold out hope that such services might be possible one day.

"If you had 10 hours' warning, from a practical point of view, you could evacuate populations, you could certainly get people out of buildings, you could get the fire department ready," said co-author Paul Silver of the Carnegie Institution of Science, Washington.

"Hurricane [warnings] give you an idea of what could be done," he told BBC News.

Speed measurements

The new work comes out of the San Andreas Fault Observatory at Depth (Safod) project which has been set up in Parkfield, a tiny rural town halfway between Los Angeles and San Francisco.

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PRE-QUAKE CHANGES SEEN IN ROCKS
« on: July 09, 2008, 06:10:15 PM »

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Offline IslandGirl

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #1 on: July 09, 2008, 10:05:10 PM »
This could be very useful!!  There are two major fault lines that run through my island.  It would be great to have 10 hours notice instead of 2 seconds!
I can do all things through God who strengthens me!

Offline furtune

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #2 on: July 10, 2008, 07:10:43 PM »
Really?
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Offline IslandGirl

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #3 on: July 10, 2008, 07:19:53 PM »
yes the North Whidbey Island fault and the South Whidbey Island Fault.  From the looks of the recent map I live directly over the south one.
I can do all things through God who strengthens me!

Offline beibee

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #4 on: July 10, 2008, 07:27:59 PM »


please...keep on the watch!
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Offline IslandGirl

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #5 on: July 10, 2008, 08:09:28 PM »
guess my fear is there hasn't been a quake that I have felt since before I moved here in 72, so next one could break my precious island in two or more pieces.  then of course there are the tsunamis afterwards which would consume us.
I can do all things through God who strengthens me!

Offline furtune

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #6 on: July 13, 2008, 08:13:32 PM »
Earth quake always consume a lot when it occurs....
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Offline IslandGirl

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #7 on: July 31, 2008, 09:35:13 PM »
WEll, it was bound to happen!  Had a small 3.6 magnitude quake last night about 10pm about 25 miles north of my house.  I didn't feel it but my boss said his house shook.  It seems the earth is moaning, with the 5.4 in California, it may be getting ready for bigger ones.
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Offline Prince

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #8 on: July 31, 2008, 09:38:31 PM »
Lucky, i'm on the safe side, no quaking here.

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Re: PRE-QUAKE CHANGES SEEN IN ROCKS
« Reply #8 on: July 31, 2008, 09:38:31 PM »

 

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