M0.4 earthquake - 10.63 mi WNW from Mt Rainier, WA
Status: Reviewed
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Magnitude0.4Time2021/12/18 12:14:23 AM UTCDepth7.23 miCoordinates46.8797, -121.981ID61806786
Origin
Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.Orid
3179008Magnitude
0.44Time
1639786490.75Latitude
46.87967Longitude
-121.98100Depth
7.23 miLocation Quality
ExcellentEvent ID
61806786Event Type
eqGtype
lHorizontal Uncertainty
0.22 miDepth Uncertainty
0.32 miAzimuthal Gap
142 degNumber of Phases
28RMS Misfit
0.12Focal 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: 10
| Plane A | Plane B | Uncertainty | |
|---|---|---|---|
| Strike | 115 | 318 | 45 |
| Dip | 35 | 57 | 25 |
| Rake | 70 | 103 | 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 | D | 0.9243 |