Pacific Northwest Seismic Network

M1.2 earthquake - 0.12 mi ESE from Mt Rainier, WA

Status: Reviewed
Magnitude1.2Time2021/05/22 11:41:52 PM UTCDepth0.89 miCoordinates46.8532, -121.7568ID61734676

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3159908
Magnitude
1.22
Time
1621726939.6800003
Latitude
46.85317
Longitude
-121.75683
Depth
0.89 mi
Location Quality
Excellent
Event ID
61734676
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.17 mi
Depth Uncertainty
0.25 mi
Azimuthal Gap
90 deg
Number of Phases
26
RMS Misfit
0.07

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: 12

Plane APlane BUncertainty
Strike511710
Dip605620
Rake-40-14220

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
CRBNCCBHZU0.9243