1.8
Earthquake Details: 12 km WSW of Rio Dell, California, United States
Oct 15, 2026, 10:45:46
- Depth
- 21.49 km
- Felt reports
- No data
Source: USGSUpdated: Oct 15, 2026, 11:32 AM UTC
A magnitude 1.8 earthquake occurred on Oct 15, 2026 at 10:45:46. Epicenter: 12 km WSW of Rio Dell, California, United States. Reported depth: 21.49 km.
Tsunami information
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Time & depth
- Local time
- Oct 15, 2026, 03:45:46 PDT
- UTC
- Oct 15, 2026, 10:45:46 UTC
21.49 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
M3.432 km W of Petrolia, CABeforeM2.526 km WSW of Petrolia, CABeforeM2.613 km NNW of Gerlach, NevadaBeforeM2.35 km WSW of Burning Man Earth, NevadaBeforeM3.429 km W of Petrolia, CABeforeM2.8237 km W of Ferndale, CaliforniaBeforeM2.553 km WNW of Petrolia, CABeforeM2.719 km WSW of Petrolia, CABeforeM3.023 km NE of Hydesville, CABeforeM3.17 km NW of The Geysers, CABeforeM2.819 km ESE of Silver Springs, NevadaBeforeM3.274 km W of Petrolia, CABefore
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 1.83
nc75449801
- Depth:
- 21.49 km
- Time:
- Updated:
- Oct 15, 2026, 11:32 AM UTC
Technical Details
Depth21.49 km
Significance52
Latitude40.4370
Longitude-124.2290
Event IDnc75449801
Magnitude1.8
Updated:Oct 15, 2026, 11:32:23 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 15, 2026, 11:32 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.