Pacific Northwest Seismic Network

M1.1 earthquake - 0.06 mi SW from Mt Rainier, WA

Status: Reviewed
Magnitude1.1Time2021/10/28 05:35:03 AM UTCDepth-1.67 miCoordinates46.8523, -121.7612ID61793016

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3174443
Magnitude
1.11
Time
1635399330.21
Latitude
46.85233
Longitude
-121.76117
Depth
-1.67 mi
Location Quality
Excellent
Event ID
61793016
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.14 mi
Depth Uncertainty
0.35 mi
Azimuthal Gap
72 deg
Number of Phases
23
RMS Misfit
0.1

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: 13

Plane APlane BUncertainty
Strike2514930
Dip356823
Rake1406145

Discrepant Stations

Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.
StationNetworkChannelPolarityQuality
WPEQUWHHZU0.9243