1.8
Earthquake Details: 25 km NNW of San Simeon, California, United States
Oct 11, 2026, 12:18:21
- Depth
- 10.94 km
- Felt reports
- No data
Source: NCUpdated: Oct 11, 2026, 01:17 PM UTC
A magnitude 1.8 earthquake occurred on Oct 11, 2026 at 12:18:21. Epicenter: 25 km NNW of San Simeon, California, United States. Reported depth: 10.94 km.
Tsunami information
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Time & depth
- Local time
- Oct 11, 2026, 05:18:21 PDT
- UTC
- Oct 11, 2026, 12:18:21 UTC
10.94 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
M2.37 km NW of The Geysers, CABeforeM2.832 km SE of Bodie, CABeforeM3.22 km SW of Signal Hill, CABeforeM2.34 km SSW of Lexington Hills, CABeforeM2.834 km SE of Mina, NevadaBeforeM2.410 km N of Greenhorn, CABeforeM3.414 km N of Brooktrails, CABeforeM2.526 km SW of Mina, NevadaBeforeM2.74 km E of San Jacinto, CABeforeM2.715 km NE of Little Lake, CAAfterM2.628 km SSE of Lopez Point, CAAfterM2.45 km ESE of Sanger, CAAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- NCM 1.83
nc75447751
- Depth:
- 10.94 km
- Time:
- Updated:
- Oct 11, 2026, 01:17 PM UTC
Technical Details
Depth10.94 km
Significance52
Latitude35.8375
Longitude-121.3238
Event IDnc75447751
Magnitude1.8
Updated:Oct 11, 2026, 13:17:28 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 11, 2026, 13:17 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.