Earthquake Report

Magnitude: 2.1
Thu August 16, 2012 10:01AM (PDT)
Event Id: 60440727
Version #7: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 2.1 Ml
Time: Thu August 16, 2012 10:01AM (PDT)
Thu August 16, 2012 17:01 (UTC)
Distance From: 23.1 km ( 14.3 mi) ESE ( 107. azimuth) from Eatonville, WA
35.7 km ( 22.2 mi) NE ( 40. azimuth) from Morton, WA
44.4 km ( 27.6 mi) S ( 179. azimuth) from Enumclaw, WA
Coordinates: 46.806, -121.976
Depth: 7.49 Km (4.57 miles)
Location Quality: Excellent
Event Id: 60440727
Horizontal Uncertainty: 0.2 Km
Depth Uncertainty: 0.44 Km
Azimuthal Gap: 57.0 deg
Number of Phases: 46
RMS Misfit: 0.16

Historic Activity

Historic_map_icon

Focal Mechanism

More Information

Solution 1

Uw60440727.uwfm1
Number of P First Motions: 35
Plane A Plane B Uncertainty
Strike 125º 317º 10.0º
Dip 30º 61º 10.0º
Rake 80º 96º 25.0º

Discrepant Stations

Station Network Channel Polarity Quality
PANH CC BHZ U 0.98
EDM UW EHZ U 0.92
SHW UW EHZ U 0.92
HSR UW EHZ U 0.92
B203 PB EHZ U 0.92

Solution 2

Uw60440727.uwfm2
Number of P First Motions: 35
Plane A Plane B Uncertainty
Strike 350º 111º 13.0º
Dip 70º 36º 10.0º
Rake 120º 36º 45.0º

Discrepant Stations

Station Network Channel Polarity Quality
PANH CC BHZ U 0.98
EDM UW EHZ U 0.92
SHW UW EHZ U 0.92
HSR UW EHZ U 0.92
B203 PB EHZ U 0.92

Solution 3

Uw60440727.uwfm3
Number of P First Motions: 35
Plane A Plane B Uncertainty
Strike 340º 80º 15.0º
Dip 60º 73º 43.0º
Rake 160º 32º 20.0º

Discrepant Stations

Station Network Channel Polarity Quality
RCM UW EHZ D 0.98
PCMD UW EHZ D 0.98
EDM UW EHZ U 0.92
SHW UW EHZ U 0.92
HSR UW EHZ U 0.92
B203 PB EHZ U 0.92

Solution 4

Uw60440727.uwfm4
Number of P First Motions: 35
Plane A Plane B Uncertainty
Strike 125º 317º 10.0º
Dip 30º 61º 10.0º
Rake 80º 96º 25.0º

Discrepant Stations

Station Network Channel Polarity Quality
PANH CC BHZ U 0.98
EDM UW EHZ U 0.92
SHW UW EHZ U 0.92
HSR UW EHZ U 0.92
B203 PB EHZ U 0.92

Solution 5

Uw60440727.uwfm5
Number of P First Motions: 35
Plane A Plane B Uncertainty
Strike 350º 111º 13.0º
Dip 70º 36º 10.0º
Rake 120º 36º 45.0º

Discrepant Stations

Station Network Channel Polarity Quality
PANH CC BHZ U 0.98
EDM UW EHZ U 0.92
SHW UW EHZ U 0.92
HSR UW EHZ U 0.92
B203 PB EHZ U 0.92

Solution 6

Uw60440727.uwfm6
Number of P First Motions: 35
Plane A Plane B Uncertainty
Strike 340º 80º 15.0º
Dip 60º 73º 43.0º
Rake 160º 32º 20.0º

Discrepant Stations

Station Network Channel Polarity Quality
RCM UW EHZ D 0.98
PCMD UW EHZ D 0.98
EDM UW EHZ U 0.92
SHW UW EHZ U 0.92
HSR UW EHZ U 0.92
B203 PB EHZ U 0.92
60440727

Station

Code, or name, to designate a particular seismic station