1.9
Earthquake Details: 7 km SSE of Concrete, Washington, United States
8/18/2026, 12:01:01 PM
A magnitude 1.9 earthquake occurred near 7 km SSE of Concrete, Washington, United States on 8/18/2026 at 12:01:01 PM. The seismic event was recorded at a depth of 5.75 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth5.75 km
Significance57
Latitude48.4797
Longitude-121.7120
Event IDuw714081141
Magnitude1.9
Updated:8/18/2026, 6:20:28 PM
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- 8/18/2026, 5:01:01 AM PDT
- UTC
- 8/18/2026, 12:01:01 PM UTC
5.75 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 2
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 18, 2026, 06:20 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.