Earthquakes hit Bay Area and Sierras today

Over the early morning hours and into the day several earthquakes have hit the Bay Area and the Sierras. According to the USGS database shows that there is a 28.264% chance of a major earthquake within 50 kilometers of Tuolumne, California within the next 50 years. The largest earthquake within 100 miles of Tuolumne, California was a 6.2 Magnitude in 1984.

Magnitude	3.6
Date-Time	Thursday, October 27, 2011 at 12:36:44 UTC Thursday, October 27, 2011 at 05:36:44 AM at epicenter Time of Earthquake in other Time Zones
Location	37.873°N, 122.251°W
Depth	9.7 km (6.0 miles)
Region	SAN FRANCISCO BAY AREA, CALIFORNIA
Distances	2 km (1 miles) E (87°) from Berkeley, CA 4 km (3 miles) ESE (118°) from Albany, CA 4 km (3 miles) SSE (147°) from Kensington, CA 9 km (6 miles) NNW (347°) from Oakland, CA
Location Uncertainty	horizontal +/- 0.2 km (0.1 miles); depth +/- 0.4 km (0.2 miles)
Parameters	Nph= 83, Dmin=1 km, Rmss=0.17 sec, Gp= 29°, M-type=regional moment magnitude (Mw), Version=6
Source	California Integrated Seismic Net: USGS Caltech CGS UCB UCSD UNR
Event ID	nc71671256

Magnitude	4.7
Date-Time	Thursday, October 27, 2011 at 06:37:09 UTC Wednesday, October 26, 2011 at 11:37:09 PM at epicenter Time of Earthquake in other Time Zones
Location	39.605°N, 120.470°W
Depth	13.7 km (8.5 miles)
Region	NORTHERN CALIFORNIA
Distances	15 km (9 miles) SSE (153°) from Whitehawk, CA 17 km (11 miles) SSE (151°) from Valley Ranch, CA 18 km (11 miles) SSE (151°) from Clio, CA 37 km (23 miles) NW (322°) from Truckee, CA 56 km (35 miles) W (279°) from Reno, NV 145 km (90 miles) NE (36°) from Sacramento, CA
Location Uncertainty	horizontal +/- 0.3 km (0.2 miles); depth +/- 0.6 km (0.4 miles)
Parameters	Nph= 20, Dmin=2 km, Rmss=0.08 sec, Gp= 79°, M-type=regional moment magnitude (Mw), Version=7
Source	California Integrated Seismic Net: USGS Caltech CGS UCB UCSD UNR
Event ID	nc71671056