1.4
Earthquake Details: 7 km ESE of Mossyrock, Washington
Aug 20, 2026, 03:52:00
A magnitude 1.4 earthquake occurred near 7 km ESE of Mossyrock, Washington on Aug 20, 2026 at 03:52:00. The seismic event was recorded at a depth of -0.7 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-0.7 km
Significance29
Latitude46.4973
Longitude-122.3943
Event IDuw714081862
Magnitude1.4
Updated:Aug 20, 2026, 17:01:33 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Aug 19, 2026, 20:52:00 PDT
- UTC
- Aug 20, 2026, 03:52:00 UTC
-0.7 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
You may also find these tools useful
Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 20, 2026, 17:01 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.