M0.9 earthquake - 11.74 mi WSW from Mt Rainier, WA
Status: Reviewed
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Magnitude0.9Time2021/12/18 10:20:29 AM UTCDepth4.38 miCoordinates46.7783, -121.982ID61806876
Origin
Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.Orid
3179098Magnitude
0.94Time
1639822856.4899998Latitude
46.77833Longitude
-121.98200Depth
4.38 miLocation Quality
ExcellentEvent ID
61806876Event Type
eqGtype
lHorizontal Uncertainty
0.25 miDepth Uncertainty
0.32 miAzimuthal Gap
153 degNumber of Phases
28RMS Misfit
0.1Focal Mechanisms
Describes the fault orientation and slip direction of an earthquake and are generated using first motion (up or down) observations.Solution 1
Number of P First motions: 12
| Plane A | Plane B | Uncertainty | |
|---|---|---|---|
| Strike | 260 | 33 | 33 |
| Dip | 70 | 27 | 40 |
| Rake | -70 | -133 | 50 |
Discrepant Stations
Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.| Station | Network | Channel | Polarity | Quality |
|---|---|---|---|---|
| STAR | UW | EHZ | U | 0.9243 |