3.1
Earthquake Details: 5 km WSW of Harrah, Washington, United States
8/11/2026, 4:23:52 PM
A magnitude 3.1 earthquake occurred near 5 km WSW of Harrah, Washington, United States on 8/11/2026 at 4:23:52 PM. The seismic event was recorded at a depth of 11.81 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth11.81 km
Significance165
Latitude46.3902
Longitude-120.6090
Event IDuw714075502
Magnitude3.1
Updated:8/14/2026, 12:40:36 PM
External Resources
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Time & depth
- Local time
- 8/11/2026, 9:23:52 AM PDT
- UTC
- 8/11/2026, 4:23:52 PM UTC
11.81 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 1
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 14, 2026, 12:40 PM 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.