Pacific Northwest Seismic Network

M0.9 earthquake - 1.24 mi SE from Mt Rainier, WA

Status: Reviewed
Magnitude0.9Time2021/05/04 10:46:41 AM UTCDepth-0.42 miCoordinates46.8465, -121.7362ID61729756

Origin

Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.
Orid
3157563
Magnitude
0.95
Time
1620125228.4399986
Latitude
46.84650
Longitude
-121.73617
Depth
-0.42 mi
Location Quality
Excellent
Event ID
61729756
Event Type
eq
Gtype
l
Horizontal Uncertainty
0.19 mi
Depth Uncertainty
0.35 mi
Azimuthal Gap
129 deg
Number of Phases
21
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: 13

Plane APlane BUncertainty
Strike4022083
Dip553525
Rake-90-9025

Discrepant Stations

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

No items.