Earthquake Report

Magnitude: 1.9
Mon August 27, 2012 03:24:42 PM (PDT)
Event Id: 60458216
Version #6: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.9 Md (Probable explosion)
Time: Mon August 27, 2012 03:24:42 PM (PDT)
Mon August 27, 2012 22:24:42 (UTC)
Distance From: 0.2 km ( 0.1 mi) NE ( 49. azimuth) from Granite Falls, WA
21.0 km ( 13.0 mi) NE ( 56. azimuth) from Everett, WA
21.5 km ( 13.4 mi) NNE ( 27. azimuth) from Snohomish, WA
Coordinates: 48.085, -121.966
Depth: 0.01 Km (0.01 miles)
Location Quality: Fair
Event Id: 60458216
Horizontal Uncertainty: 0.56 Km
Depth Uncertainty: 31.61 Km
Azimuthal Gap: 144.0 deg
Number of Phases: 16
RMS Misfit: 0.17

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.