Minor quake hits Santa Clara County

2.2 magnitude quake is fourth small trembler in past week

The U.S. Geological Survey is reporting an earthquake with a preliminary magnitude of 2.2 struck Wednesday evening in Santa Clara County.

According to the USGS, at 9:22 p.m. the Calaveras Fault tremor rattled an area in the east foothills south of the Calaveras Reservoir. The quake, which had a depth of 2.7 miles, was centered about 7 miles east of Milpitas and 10 miles from San Jose and Fremont, according to the USGS.

In the past week, three other magnitude 2.0 or larger seismic events have occurred along this segment of the Calaveras Fault. Most recently, a magnitude 2.1 quake rippled through the foothills Tuesday night from an area near the reservoir a few miles north of Wednesday's tremor.

The strongest event occurred on Friday, when a segment of the fault between Joseph D. Grant County Park and the reservoir produced a magnitude 2.5 temblor.

— Bay City News Service

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Like this comment
Posted by neighbor
a resident of another community
on Sep 9, 2010 at 9:02 am

This is not unusual is NOT NEWS.

Like this comment
Posted by east bay quakes
a resident of Adobe-Meadow
on Sep 9, 2010 at 9:13 am

These minor earthquake reports might be interesting if they are centered in Palo Alto. When they are on the Calaveras Fault, few people in the east bay will feel them, let alone here.

Like this comment
Posted by Reluctant Siliconer
a resident of Duveneck/St. Francis
on Sep 9, 2010 at 9:45 am

These articles about the little quakes are interesting to me because they verify that I did feel a tremor when I thought I did. We don't usually have so many little ones on these local faultlines, so it could be significant.

Like this comment
Posted by Elizabeth
a resident of Midtown
on Sep 9, 2010 at 10:47 am

I think it's particularly interesting given that the following was posted to an earthquake sensitive site a couple days ago by someone who has studied quakes for decades:

Date: September 07, 2010 at 09:18:11
From: Don in Hollister
Subject: Calaveras Fault

Hi All. Things are getting interesting in Hollister. The west side of the Calaveras fault has risen about a half inch, or the east side has dropped a half inch, but at any rate there is some deformation occurring. I have never seen this occurring before.

It could be that we no longer have heavy trucks using the street that has allowed the change to take place, or there is indeed a quake in the making. Anything over a 5.0M would do a number on the immediate area. The strongest quake to have occurred in Hollister was a 4.7M in 1970. That quake was just a couple of blocks from the area of deformation. Take Care...Don

Like this comment
Posted by neighbor
a resident of another community
on Sep 9, 2010 at 12:08 pm

There are 100s of small quakes in Calif. every day. It is not unusual at all for California. If you are interested -- like the PA Online staff looking for a story where there is none -- you can follow them each day or each hour.

Web Link

Time would be better spent getting a preparedness plan/response kit ready for your safety when a serious quake strikes.

Like this comment
Posted by Reluctant Siliconer
a resident of Duveneck/St. Francis
on Sep 9, 2010 at 6:12 pm

Maybe the PA Weekly thinks we need a little shaking up.

Sorry, but further commenting on this topic has been closed.

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