1.6
Earthquake Details: 5 km NE of Rancho San Diego, California, United States
Oct 6, 2026, 21:30:17
- Depth
- -0.26 km
- Felt reports
- No data
Source: USGSUpdated: Oct 7, 2026, 02:52 PM UTC
A magnitude 1.6 earthquake occurred on Oct 6, 2026 at 21:30:17. Epicenter: 5 km NE of Rancho San Diego, California, United States. Reported depth: -0.26 km.
Status: ReviewedType: Quarry blast
Tsunami information
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Time & depth
- Local time
- Oct 6, 2026, 14:30:17 PDT
- UTC
- Oct 6, 2026, 21:30:17 UTC
-0.26 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
M3.8Gulf Of CaliforniaAfterM3.6Gulf Of CaliforniaAfterM3.4Gulf Of CaliforniaAfterM3.186 km SSE of Estacion Coahuila, B.C, MXAfterM3.22 km SW of Signal Hill, CAAfterM3.6Gulf Of CaliforniaAfterM3.6Gulf Of CaliforniaAfterM3.2Gulf Of CaliforniaAfterM3.6Gulf Of CaliforniaAfterM3.4Baja California, MéxicoAfterM3.3Sonora, MéxicoAfterM3.4Baja California, MéxicoAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSml 1.65
ci41344199
- Depth:
- -0.26 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 7, 2026, 02:52 PM UTC
Technical Details
Depth-0.26 km
Significance42
Latitude32.7778
Longitude-116.8940
Event IDci41344199
Magnitude1.6
Updated:Oct 7, 2026, 14:52:21 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 7, 2026, 14:52 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.