earthquake

Probably small. I’m heading back to bed, updates later.

Update: Here’s the USGS report:

Magnitude 4.2
Date-Time
  • Friday, July 20, 2007 at 11:42:22 (UTC)
    = Coordinated Universal Time
  • Friday, July 20, 2007 at 4:42:22 AM
    = local time at epicenter
  • Location 37.807°N, 122.188°W
    Depth 5.8 km (3.6 miles)
    Region SAN FRANCISCO BAY AREA, CALIFORNIA
    Distances
  • 4 km (2 miles) ENE (69°) from Oakland, CA
  • 4 km (3 miles) ESE (113°) from Piedmont, CA
  • 7 km (4 miles) SW (234°) from Moraga, CA
  • Location Uncertainty horizontal +/- 0.1 km (0.1 miles); depth +/- 0.3 km (0.2 miles)
    Parameters Nst=226, Nph=226, Dmin=3 km, Rmss=0.12 sec, Gp= 32°,
    M-type=regional moment magnitude (Mw), Version=3

    Most recent previously felt quake:

    Posted in Earth. 4 Comments »

    Operation Iraq Liberation progress

    Meet the College Republicans