San Jose has 5.6 earthquake

October 31, 2007

California - An earthquake with a 5.6 magnitude hit the San Jose area of California Tuesday night.

The U.S. Geological Survey reports that a 5.6 earthquake based in the Alum Rock area of San Jose hit at approximately 8:04 p.m.

Bay residents as far away as Danville and San Carlos reported feeling the tremor.

There were no immediate reports of major damage or injury.

There were reports of objects falling off store shelves in San Jose.

The quake was reported to be 5 1/2 miles deep, which is shallow in earthquake terms.

Many people measured the quake last around 20 seconds.

From the USGS

Magnitude 5.6
Date-Time Wednesday, October 31, 2007 at 03:04:54 UTC
Tuesday, October 30, 2007 at 08:04:54 PM at epicenter

Location 37.432°N, 121.776°W
Depth 9.2 km (5.7 miles)
Region SAN FRANCISCO BAY AREA, CALIFORNIA
Distances 8 km (5 miles) NNE (31°) from Alum Rock, CA
11 km (7 miles) E (91°) from Milpitas, CA
15 km (9 miles) NE (45°) from San Jose City Hall, CA

Location Uncertainty horizontal +/- 0.1 km (0.1 miles); depth +/- 0.3 km (0.2 miles)
Parameters Nst=250, Nph=250, Dmin=3 km, Rmss=0.07 sec, Gp= 32°,
M-type=regional moment magnitude (Mw), Version=3