[Don Plumley]

A moderate earthquake occurred at 8:04:54 PM (PDT) on Tuesday, October 30, 2007.
The magnitude 5.6 event occurred 8 km (5 miles) NNE of Alum Rock, CA.
The hypocentral depth is 9 km ( 6 miles).

Magnitude 5.6 - regional moment magnitude (Mw)
Time Tuesday, October 30, 2007 at 8:04:54 PM (PDT)
Wednesday, October 31, 2007 at 3:04:54 (UTC)
Distance from Alum Rock, CA - 8 km (5 miles) NNE (31 degrees)
Milpitas, CA - 11 km (7 miles) E (91 degrees)
San Jose City Hall, CA - 15 km (9 miles) NE (45 degrees)
Sunol-Midtown, CA - 17 km (10 miles) NE (45 degrees)
Coordinates 37 deg. 25.9 min. N (37.432N), 121 deg. 46.5 min. W (121.776W)
Depth 9.2 km (5.7 miles)
Location Quality Excellent
Location Quality Parameters Nst=250, Nph=250, Dmin=3 km, Rmss=0.07 sec, Erho=0.1 km, Erzz=0.4 km, Gp=32.4 degrees
Event ID# nc40204628
Additional Information 2-degree map
Google Earth KML (Requires Google Earth.)
Topo map centered at earthquake (This link takes you offsite.)
NCSN First Motion Mechanism 1
Waveforms