M0.9 earthquake - 8.14 mi WNW from Mt Rainier, WA
Status: Reviewed
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Magnitude0.9Time2021/09/13 03:24:16 PM UTCDepth5.6 miCoordinates46.8592, -121.9315ID61779476
Origin
Statistics on estimate of an earthquake's location and time. For more info, see Earthquake Terminology.Orid
3170623Magnitude
0.89Time
1631546683.08Latitude
46.85917Longitude
-121.93150Depth
5.6 miLocation Quality
ExcellentEvent ID
61779476Event Type
eqGtype
lHorizontal Uncertainty
0.19 miDepth Uncertainty
0.27 miAzimuthal Gap
83 degNumber of Phases
33RMS 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: 13
| Plane A | Plane B | Uncertainty | |
|---|---|---|---|
| Strike | 25 | 205 | 53 |
| Dip | 70 | 20 | 5 |
| Rake | 90 | 90 | 30 |
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 | 0.9771 |
| B201 | PB | EHZ | U | 0.9243 |
Solution 2
Number of P First motions: 13
| Plane A | Plane B | Uncertainty | |
|---|---|---|---|
| Strike | 150 | 248 | 8 |
| Dip | 75 | 61 | 8 |
| Rake | 150 | 17 | 10 |
Discrepant Stations
Stations whose observed first-motion does not match the predicted first-motion from the focal mechanism.| Station | Network | Channel | Polarity | Quality |
|---|---|---|---|---|
| OBSR | CC | BHZ | U | 0.9243 |
| B201 | PB | EHZ | U | 0.9243 |