Earthquake Report

Magnitude: 2.2
Fri September 21, 2012 10:43AM (PDT)
Event Id: 60454612
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.2 Md (Probable explosion)
Time: Fri September 21, 2012 10:43AM (PDT)
Fri September 21, 2012 17:43 (UTC)
Distance From: 46.3 km ( 28.8 mi) NNE ( 32. azimuth) from Tillamook, OR
47.9 km ( 29.8 mi) SSE ( 150. azimuth) from Astoria, OR
58.1 km ( 36.1 mi) SW ( 231. azimuth) from Longview, WA
Coordinates: 45.81, -123.529
Depth: 0.01 Km (0.01 miles)
Location Quality: Fair
Event Id: 60454612
Horizontal Uncertainty: 0.75 Km
Depth Uncertainty: 31.61 Km
Azimuthal Gap: 117.0 deg
Number of Phases: 8
RMS Misfit: 0.2

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

 Create a custom cross-section or depth-time plot. Click on "Custom Plot" to start.