6.5 mag quake hits Northern California

January 10, 2010

MAP 6.5 2010/01/10 00:27:39 40.645 -124.763 21.7 OFFSHORE NORTHERN CALIFORNIA

MAP 3.8 2010/01/10 00:48:38 40.691 -124.585 12.9 OFFSHORE NORTHERN CALIFORNIA

MAP 3.5 2010/01/10 00:50:59 40.675 -124.671 6.3 OFFSHORE NORTHERN CALIFORNIA

MAP 3.6 2010/01/10 01:06:16 40.605 -124.773 8.8 OFFSHORE NORTHERN CALIFORNIA

MAP 3.0 2010/01/10 01:48:46 40.696 -124.590 10.9 OFFSHORE NORTHERN CALIFORNIA

MAP 4.5 2010/01/10 02:21:39 40.618 -124.767 13.3 OFFSHORE NORTHERN CALIFORNIA

MAP 3.0 2010/01/10 02:32:49 40.355 -124.740 18.1 OFFSHORE NORTHERN CALIFORNIA

AFTERSHOCK WARNING

STRONG AFTERSHOCKS (Magnitude 5 and larger) -

At this time (immediately after the mainshock) the probability of a strong and possibly damaging aftershock IN THE NEXT 7 DAYS is approximately 78 PERCENT

EARTHQUAKES LARGER THAN THE MAINSHOCK -

Most likely, the recent mainshock will be the largest in the sequence. However, there is a small chance (APPROXIMATELY 5 TO 10 PERCENT) of an earthquake equal to or larger than this mainshock in the next 7 days.

WEAK AFTERSHOCKS (Magnitude 3 to 5) -

In addition, approximately 70 to 20 SMALL AFTERSHOCKS are expected in the same 7-DAY PERIOD and may be felt locally.

http://quake.wr.usgs.gov/recenteqs/QuakeAddons/NC71338066.html

TSUNAMI MESSAGE

At 4:28 PM Pacific Standard Time on January 9, an earthquake with preliminary magnitude 6.4 occurred 15 miles/24 Km southwest of Eureka, California. The magnitude is such that a tsunami IS NOT EXPECTED. However, in coastal areas of intense shaking, locally generated tsunamis can be triggered by underwater landslides. This will be the only WCATWC message issued for this event.

http://wcatwc.arh.noaa.gov/2010/01/10/308326/01/message308326-01.htmTSUNAMI MESSAGE -- HAWAII EVALUATION

BASED ON ALL AVAILABLE DATA A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS

NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII. REPEAT. A

DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO

TSUNAMI THREAT TO HAWAII.

http://www.prh.noaa.gov/ptwc/messages/hawaii/2010/hawaii.2010.01.10.004320.txt

Magnitude-6.5 quake hits offshore near Eureka

Saturday, January 9, 2010

(01-09) 17:21 PST FERNDALE, Calif (AP) --

A 6.5 magnitude earthquake has struck off the Northern California coast, about 27 miles southwest of Eureka.

The U.S. Geological Survey says the quake hit around 4:27 Saturday afternoon. Officials say they heard the quake caused some power outtages, but there were no immediate reports of injury or damage.

USGS geophysicist Richard Buckmaster says the quake was felt as far south as Capitola, and as far north as Tiller, Ore.

The San Francisco Bay area was struck by two light earthquakes on Thursday and Friday.

http://www.sfgate.com/cgi-bin/article.cgi?f=/n/a/2010/01/08/state/n130816S55.DTL & tsp=1#ixzz0cAtXzMCq

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