2.1 Quake Shakes Mammoth

August 29, 2005

    A 2.1 earthquake, a so-called "micro-quake," shook Mammoth at 10:59 a.m. today.
    The temblor was clearly felt throughout the town, and it was followed by a very short aftershock.

    Here's the deal (computer generated) from the United States Geological Survey:

    Magnitude    2.1
    Date-Time   
Monday, August 29, 2005 at 10:59:09 AM
Location    37.648°N, 119.025°W
Depth    4.1 km (2.5 miles)
Region    LONG VALLEY AREA, CALIFORNIA
Distances     4 km (3 miles) WNW (287°) from Mammoth Lakes, CA
32 km (20 miles) WNW (288°) from Toms Place, CA
35 km (22 miles) SSE (166°) from Lee Vining, CA
236 km (147 miles) ESE (115°) from Sacramento, CA
Location Uncertainty    horizontal +/- 0.5 km (0.3 miles); depth +/- 1 km (0.6 miles)
Parameters    Nst= 10, Nph= 10, Dmin=4 km, Rmss=0.03 sec, Gp=180°,
M-type=duration magnitude (Md), Version=1
Source    California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Event ID    nc40178815

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