i felt that.. that earthquake was a hard hit this time
Earthquake Details
Magnitude 4.2
# Date-Time Friday, March 2, 2007 at 04:40:00 (UTC)
= Coordinated Universal Time
# Thursday, March 1, 2007 at 8:40:00 PM
= local time at epicenter
Location 37.901°N, 122.098°W
Depth 16.6 km (10.3 miles)
Region SAN FRANCISCO BAY AREA, CALIFORNIA
# Distances 2 km (1 miles) NE (47°
from Lafayette, CA
# 5 km (3 miles) WSW (257°
from Walnut Creek, CA
# 6 km (4 miles) SSW (202°
from Pleasant Hill, CA
# 10 km (6 miles) SW (225°
from Concord, CA
# 31 km (20 miles) ENE (63°
from San Francisco City Hall, CA
Location Uncertainty horizontal +/- 0.1 km (0.1 miles); depth +/- 0.2 km (0.1 miles)
Parameters Nst=250, Nph=250, Dmin=3 km, Rmss=0.14 sec, Gp= 43°,
M-type=regional moment magnitude (Mw), Version=3
# Source California Integrated Seismic Net
# USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Event ID nc40194055
http://earthquake.usgs.gov/eqcenter/recenteqsus/Maps/US2/37.39.-123.-121.php