Earthquake Report

Magnitude: 2.2
Sat September 22, 2012 02:26AM (PDT)
Event Id: 60454872
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.2 Ml
Time: Sat September 22, 2012 02:26AM (PDT)
Sat September 22, 2012 09:26 (UTC)
Distance From: 8.1 km ( 5.0 mi) WSW ( 255. azimuth) from Morton, WA
37.5 km ( 23.3 mi) SSW ( 193. azimuth) from Eatonville, WA
48.7 km ( 30.2 mi) ESE ( 114. azimuth) from Centralia, WA
Coordinates: 46.539, -122.377
Depth: 20.47 Km (12.49 miles)
Location Quality: Excellent
Event Id: 60454872
Horizontal Uncertainty: 0.43 Km
Depth Uncertainty: 1.06 Km
Azimuthal Gap: 62.0 deg
Number of Phases: 48
RMS Misfit: 0.22

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60454872.uwfm1
Number of P First Motions: 31
Plane A Plane B Uncertainty
Strike 230º 329º 13.0º
Dip 65º 72º 43.0º
Rake -20º -154º 40.0º

Discrepant Stations

Station Network Channel Polarity Quality
SOS UW EHZ D 0.92
SEP CC EHZ U 0.98
VALT CC BHZ U 0.92
PCMD UW EHZ U 0.98
HSR UW EHZ U 0.92
60454872

Station

Code, or name, to designate a particular seismic station