2.7
Earthquake Details: 12 km SW of Ridgemark, California, United States
Oct 29, 2026, 12:38:05
- Depth
- 8.85 km
- Felt reports
- 2
Source: USGSUpdated: Oct 29, 2026, 01:12 PM UTC
A magnitude 2.7 earthquake occurred on Oct 29, 2026 at 12:38:05. Epicenter: 12 km SW of Ridgemark, California, United States. Reported depth: 8.85 km.
Tsunami information
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Time & depth
- Local time
- Oct 29, 2026, 05:38:05 PDT
- UTC
- Oct 29, 2026, 12:38:05 UTC
8.85 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
M2.54 km SE of Aromas, CABeforeM2.16 km E of Cantua Creek, CABeforeM2.326 km NNE of Montecito, CABeforeM2.122 km NNE of San Lucas, CABeforeM2.112 km SE of Livermore, CABeforeM2.614 km E of Seven Trees, CABeforeM2.110 km N of Lake Pillsbury, CABeforeM4.010 km N of Lake Pillsbury, CABeforeM2.29 km N of Lake Pillsbury, CABeforeM2.612 km SW of Ridgemark, CABeforeM2.72 km NE of Pacifica, CABeforeM2.65 km WNW of Madera, CABefore
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 2.67
nc75459362
- Depth:
- 8.85 km
- Time:
- Updated:
- Oct 29, 2026, 01:12 PM UTC
Technical Details
Depth8.85 km
Significance110
Latitude36.7412
Longitude-121.4645
Event IDnc75459362
Magnitude2.7
Updated:Oct 29, 2026, 13:12:22 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 29, 2026, 13:12 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).