Earthquake Report

Magnitude: 0.9
Thu September 20, 2012 01:58AM (PDT)
Event Id: 60454037
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.9 Md
Time: Thu September 20, 2012 01:58AM (PDT)
Thu September 20, 2012 08:58 (UTC)
Distance From: 9.7 km ( 6.0 mi) SSW ( 196. azimuth) from Morton, WA
43.9 km ( 27.2 mi) S ( 185. azimuth) from Eatonville, WA
56.5 km ( 35.1 mi) ESE ( 118. azimuth) from Centralia, WA
Coordinates: 46.474, -122.31
Depth: 16.76 Km (10.22 miles)
Location Quality: Excellent
Event Id: 60454037
Horizontal Uncertainty: 0.41 Km
Depth Uncertainty: 0.87 Km
Azimuthal Gap: 71.0 deg
Number of Phases: 37
RMS Misfit: 0.19

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60454037.uwfm1
Number of P First Motions: 18
Plane A Plane B Uncertainty
Strike 285º 189º 13.0º
Dip 55º 82º 43.0º
Rake 10º 145º 40.0º

Discrepant Stations

Station Network Channel Polarity Quality
SEP CC EHZ D 0.92
HSR UW EHZ D 0.92
60454037