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Tremors may indicate risk of big California quake: journal

Posted By admin On July 11, 2009 @ 5:19 am In Sci Tech | Comments Disabled

AFP [1]
Saturday, July 11, 2009

An increase in tremors deep under California’s San Andreas fault may be the harbinger of a major earthquake, according to a study out Friday in the journal Science.

Seismologist Robert Nadeau of the University of California at Berkeley reached this conclusion after analyzing tremors along a segment of the San Andreas Fault near Parkfield, California.

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Tremors may indicate risk of big California quake: journal 250509BANNER [2]

Nadeau found that after the 2003 6.5-magnitude San Simeon quake and the 2004 6.0-magnitude Parkfield quake — both located mid-way between San Francisco and Los Angeles — tremors became more frequent and underground stress increased at the end of a “locked segment” of the San Andreas fault.

A “locked segment” is as a portion of a fault that has not moved in years and is at high risk of a major earthquake.

Full story here. [1]


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[1] AFP: http://rawstory.com/news/afp/Tremors_may_indicate_risk_of_big_Ca_07102009.html

[2] Image: http://prisonplanet.tv/signup.html

[3] Powerful Quake Hits Northern California: http://www.prisonplanet.com/powerful-quake-hits-northern-california.html

[4] Scientists Warn Of Huge Quake In US: http://www.prisonplanet.com/scientists-warn-of-huge-quake-in-us.html

[5] US overdue for huge Pacific quake: experts: http://www.prisonplanet.com/us-overdue-for-huge-pacific-quake-experts.html

[6] Major 7.1 quake hits Alaska, sparks tsunami warning: http://www.prisonplanet.com/major-7-1-quake-hits-alaska-sparks-tsunami-warning.html

[7] Quake rattles Japan’s Fukushima region: http://www.prisonplanet.com/quake-rattles-japan%e2%80%99s-fukushima-region.html

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