1.6
Earthquake Details: 6 km SE of Poplar-Cotton Center, California
Sep 3, 2026, 15:58:50
A magnitude 1.6 earthquake occurred near 6 km SE of Poplar-Cotton Center, California on Sep 3, 2026 at 15:58:50. The seismic event was recorded at a depth of 14.78 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth14.78 km
Significance40
Latitude36.0125
Longitude-119.1028
Event IDci41541328
Magnitude1.6
Updated:Sep 3, 2026, 18:11:09 UTC
External Resources
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Time & depth
- Local time
- Sep 3, 2026, 08:58:50 PDT
- UTC
- Sep 3, 2026, 15:58:50 UTC
14.78 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M1.88 km E of Vallejo, CaliforniaBeforeM2.022 km NNW of Santa Cruz Is. (E end), CaliforniaBeforeM2.34 km E of Challenge-Brownsville, CaliforniaBeforeM2.219 km NW of Progreso, B.C., MXBeforeM2.62 km N of Middletown, CaliforniaBeforeM3.04 km WSW of Hamilton city, CaliforniaBeforeM1.916 km WSW of Johannesburg, CaliforniaBeforeM3.26 km SE of Ontario, CaliforniaBeforeM2.5NevadaBeforeM3.33 km ESE of Larkfield-Wikiup, CaliforniaAfterM1.925 km SSW of Solvang, CaliforniaAfterM2.44 km ENE of Pinnacles, CaliforniaAfter
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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 3, 2026, 18:11 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.