Earthquake Report

Magnitude: 1.0
Thu September 20, 2012 11:09:52 AM (PDT)
Event Id: 60454197
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.0 Md (Probable explosion)
Time: Thu September 20, 2012 11:09:52 AM (PDT)
Thu September 20, 2012 18:09:52 (UTC)
Distance From: 49.5 km ( 30.7 mi) SSE ( 161. azimuth) from Eugene, OR
59.0 km ( 36.7 mi) NE ( 39. azimuth) from Roseburg, OR
111.3 km ( 69.1 mi) ENE ( 75. azimuth) from Coos Bay, OR
Coordinates: 43.632, -122.885
Depth: 0.01 Km (0.01 miles)
Location Quality: Fair
Event Id: 60454197
Horizontal Uncertainty: 1.01 Km
Depth Uncertainty: 31.61 Km
Azimuthal Gap: 144.0 deg
Number of Phases: 15
RMS Misfit: 0.39

Historic Activity

60454197

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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