Pacific Northwest Seismic Network

M1.3 earthquake - 0.31 mi S from Mt Rainier, WA

Status: Reviewed
Magnitude1.3Time2021/08/27 02:21:59 PM UTCDepth0.44 miCoordinates46.8487, -121.76ID61763652

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3169108
Magnitude
1.29
Time
1630074146.9699974
Latitude
46.84867
Longitude
-121.76000
Depth
0.44 mi
Location Quality
Excellent
Event ID
61763652
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.14 mi
Depth Uncertainty
0.34 mi
Azimuthal Gap
84 deg
Number of Phases
27
RMS Misfit
0.08

Focal Mechanisms

Describes the fault orientation and slip direction of an earthquake and are generated using first motion (up or down) observations.

Solution 1

Focal mechanism solution for event

Number of P First motions: 16

Plane APlane BUncertainty
Strike10024420
Dip356013
Rake-60-10920

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
RUSHCCBHZU0.9243

Solution 2

Focal mechanism solution for event

Number of P First motions: 16

Plane APlane BUncertainty
Strike22010318
Dip654630
Rake-130-3525

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality

No items.