1.6
Earthquake Details: 18 km NW of Parkfield, California, United States
Oct 18, 2026, 13:46:47
- Depth
- 4.3 km
- Felt reports
- No data
Source: USGSUpdated: Oct 27, 2026, 10:07 PM UTC
A magnitude 1.6 earthquake occurred on Oct 18, 2026 at 13:46:47. Epicenter: 18 km NW of Parkfield, California, United States. Reported depth: 4.3 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Oct 18, 2026, 06:46:47 PDT
- UTC
- Oct 18, 2026, 13:46:47 UTC
4.3 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
M2.517 km SW of Toms Place, CAAfterM2.57 km W of Cobb, CAAfterM2.37 km W of Cobb, CAAfterM2.32 km W of Round Valley, CAAfterM2.08 km NNE of Brooktrails, CAAfterM2.317 km SE of Lake Pillsbury, CAAfterM2.1central CaliforniaAfterM2.119 km SW of Toms Place, CAAfterM2.732 km WSW of Tecopa, CAAfterM2.27 km W of Cobb, CAAfterM2.19 km NNW of Lancaster, CAAfterM2.1southern CaliforniaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSmd 1.55
nc75451571
- Depth:
- 4.3 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 27, 2026, 10:07 PM UTC
Technical Details
Depth4.3 km
Significance37
Latitude36.0178
Longitude-120.5732
Event IDnc75451571
Magnitude1.6
Updated:Oct 27, 2026, 22:07:20 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 27, 2026, 22:07 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).