Earthquake Report

Magnitude: 0.4
Wed September 12, 2012 09:30PM (PDT)
Event Id: 60451097
Version #5: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.4 Md
Time: Wed September 12, 2012 09:30PM (PDT)
Thu September 13, 2012 04:30 (UTC)
Distance From: 36.3 km ( 22.5 mi) E ( 79. azimuth) from Longview, WA
42.9 km ( 26.7 mi) SSW ( 201. azimuth) from Morton, WA
68.2 km ( 42.4 mi) SSE ( 147. azimuth) from Centralia, WA
Coordinates: 46.199, -122.48
Depth: 16.16 Km (9.86 miles)
Location Quality: Excellent
Event Id: 60451097
Horizontal Uncertainty: 0.94 Km
Depth Uncertainty: 0.66 Km
Azimuthal Gap: 258.0 deg
Number of Phases: 17
RMS Misfit: 0.13

Historic Activity


Map boundaries

 The red polygon is the reporting region for  this map; the black polygon is the authoritative region of the PNSN. Events inside the authoritative network are rendered as cirlces; events outside the authoritative region but inside the reporting region are rendered as squares. Explosions are always rendered as stars.  More

Cross Section

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