1.9
Earthquake Details: 9 km SW of Tres Pinos, California, United States
Oct 18, 2026, 02:33:38
- Depth
- 1.83 km
- Felt reports
- No data
Source: USGSUpdated: Oct 18, 2026, 03:27 AM UTC
A magnitude 1.9 earthquake occurred on Oct 18, 2026 at 02:33:38. Epicenter: 9 km SW of Tres Pinos, California, United States. Reported depth: 1.83 km.
Tsunami information
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Time & depth
- Local time
- Oct 17, 2026, 19:33:38 PDT
- UTC
- Oct 18, 2026, 02:33:38 UTC
1.83 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
M3.17 km NW of The Geysers, CABeforeM2.820 km ESE of Silver Springs, NevadaBeforeM2.712 km E of Austin, NevadaBeforeM3.013 km W of Petrolia, CABeforeM2.510 km ESE of Gilroy, CABeforeM2.44 km WSW of Yucaipa, CABeforeM2.819 km SW of Toms Place, CABeforeM2.919 km SW of Toms Place, CABeforeM3.025 km SSW of Mina, NevadaBeforeM2.618 km WSW of Petrolia, CABeforeM2.419 km SW of Toms Place, CAAfterM2.421 km ESE of Silver Springs, NevadaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 1.89
nc75451391
- Depth:
- 1.83 km
- Time:
- Updated:
- Oct 18, 2026, 03:27 AM UTC
Technical Details
Depth1.83 km
Significance55
Latitude36.7207
Longitude-121.3797
Event IDnc75451391
Magnitude1.9
Updated:Oct 18, 2026, 03:27:21 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 18, 2026, 03:27 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.