4.0
Earthquake Details: 10 km ENE of Coso Junction, CA
Aug 23, 2026, 07:59:55
A magnitude 4.0 earthquake occurred near 10 km ENE of Coso Junction, CA on Aug 23, 2026 at 07:59:55. The seismic event was recorded at a depth of 2.83 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth2.83 km
Significance244
Latitude36.0672
Longitude-117.8387
Event IDci41533416
Magnitude4.0
Updated:Aug 24, 2026, 08:10:07 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Aug 23, 2026, 00:59:55 PDT
- UTC
- Aug 23, 2026, 07:59:55 UTC
2.83 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M2.882 km NE of Tonopah, NevadaBeforeM2.78 km WSW of Alberto Oviedo Mota, B.C., MXBeforeM3.010 km ENE of Coso Junction, CABeforeM3.310 km ENE of Coso Junction, CABeforeM2.84 km NW of Parkfield, CABeforeM3.410 km ENE of Coso Junction, CAAfterM2.610 km E of Coso Junction, CAAfterM3.510 km ENE of Coso Junction, CAAfterM2.710 km ENE of Coso Junction, CAAfterM2.74 km W of Walker, CAAfterM2.819 km SW of Toms Place, CAAfterM2.919 km SW of Toms Place, CAAfter
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 24, 2026, 08:10 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.