Earthquake Report

Magnitude: -0.1
Tue August 21, 2012 06:49AM (PDT)
Event Id: 60442732
Version #3: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: -0.1 Md
Time: Tue August 21, 2012 06:49AM (PDT)
Tue August 21, 2012 13:49 (UTC)
Distance From: 42.8 km ( 26.6 mi) S ( 185. azimuth) from Morton, WA
48.0 km ( 29.8 mi) E ( 85. azimuth) from Longview, WA
74.8 km ( 46.5 mi) NNE ( 18. azimuth) from Portland, OR
Coordinates: 46.175, -122.322
Depth: 10.01 Km (6.11 miles)
Location Quality: Excellent
Event Id: 60442732
Horizontal Uncertainty: 0.45 Km
Depth Uncertainty: 0.65 Km
Azimuthal Gap: 99.0 deg
Number of Phases: 12
RMS Misfit: 0.1

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.