Earthquake Report

Magnitude: 1.9
Thu July 31, 2014 02:28:56 PM (PDT)
Event Id: 60831367
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 1.9 Ml
Time: Thu July 31, 2014 02:28:56 PM (PDT)
Thu July 31, 2014 21:28:56 (UTC)
Distance From: 10.2 km ( 6.3 mi) SSE ( 157. azimuth) from Maple Valley, WA
13.4 km ( 8.3 mi) N ( 0. azimuth) from Enumclaw, WA
24.4 km ( 15.1 mi) SW ( 219. azimuth) from North Bend, WA
Coordinates: 47.326, -121.988
Depth: 22.27 Km (13.58 miles)
Location Quality: Excellent
Event Id: 60831367
Horizontal Uncertainty: 0.52 Km
Depth Uncertainty: 0.99 Km
Azimuthal Gap: 75.0 deg
Number of Phases: 25
RMS Misfit: 0.16

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 12
Plane A Plane B Uncertainty
Strike 105º 334º 25.0º
Dip 60º 41º 23.0º
Rake -120º -49º 40.0º

Discrepant Stations

Station Network Channel Polarity Quality

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.