1.6
Earthquake Details: 32 km NNE of Simmler, California, United States
Oct 28, 2026, 02:48:09
- Depth
- 16.67 km
- Felt reports
- No data
Source: USGSUpdated: Oct 28, 2026, 02:50 AM UTC
A magnitude 1.6 earthquake occurred on Oct 28, 2026 at 02:48:09. Epicenter: 32 km NNE of Simmler, California, United States. Reported depth: 16.67 km.
Tsunami information
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Time & depth
- Local time
- Oct 27, 2026, 19:48:09 PDT
- UTC
- Oct 28, 2026, 02:48:09 UTC
16.67 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Nearby earthquakes · 12
M2.18 km WNW of Cobb, CABeforeM2.119 km SW of Toms Place, CABeforeM2.54 km SE of Aromas, CABeforeM2.326 km NNE of Montecito, CABeforeM2.49 km WNW of Anza, CABeforeM2.5southern CaliforniaBeforeM2.220 km ESE of Julian, CABeforeM2.614 km E of Seven Trees, CABeforeM2.67 km SW of Nelson, NevadaBeforeM2.611 km SE of Ocotillo Wells, CABeforeM2.612 km SW of Ridgemark, CAAfterM2.72 km NE of Pacifica, CAAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 1.6
ci41567992
- Depth:
- 16.67 km
- Time:
- Updated:
- Oct 28, 2026, 02:50 AM UTC
Technical Details
Depth16.67 km
Significance39
Latitude35.6082
Longitude-119.8472
Event IDci41567992
Magnitude1.6
Updated:Oct 28, 2026, 02:50:16 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: Oct 28, 2026, 02:50 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under 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.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).