1.9
Earthquake Details: 6 km ENE of Clayton, California, United States
Sep 15, 2026, 23:23:02
- Depth
- 16.48 km
- Felt reports
- No data
Source: USGSUpdated: Sep 27, 2026, 11:27 AM UTC
A magnitude 1.9 earthquake occurred on Sep 15, 2026 at 23:23:02. Epicenter: 6 km ENE of Clayton, California, United States. Reported depth: 16.48 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Sep 15, 2026, 16:23:02 PDT
- UTC
- Sep 15, 2026, 23:23:02 UTC
16.48 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSmd 1.88
nc75436292
- Depth:
- 16.48 km
- Status:
- Reviewed
- Time:
- Updated:
- Sep 27, 2026, 11:27 AM UTC
Technical Details
Depth16.48 km
Significance54
Latitude37.9640
Longitude-121.8753
Event IDnc75436292
Magnitude1.9
Updated:Sep 27, 2026, 11:27:22 UTC
Regional Seismicity
External Resources
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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: Sep 27, 2026, 11:27 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.