Thursday, October 27, 2011

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.


3.6
37.873°N, 122.251°W
9.7 km (6.0 miles)
SAN FRANCISCO BAY AREA, CALIFORNIA
  • 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
horizontal +/- 0.2 km (0.1 miles); depth +/- 0.4 km (0.2 miles)
Nph= 83, Dmin=1 km, Rmss=0.17 sec, Gp= 29°,
M-type=regional moment magnitude (Mw), Version=6
nc71671256







4.7
39.605°N, 120.470°W
13.7 km (8.5 miles)
NORTHERN CALIFORNIA
  • 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
horizontal +/- 0.3 km (0.2 miles); depth +/- 0.6 km (0.4 miles)
Nph= 20, Dmin=2 km, Rmss=0.08 sec, Gp= 79°,
M-type=regional moment magnitude (Mw), Version=7
nc71671056



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