1.8

Earthquake Details: 20 km W of Westley, California, United States

Oct 29, 2026, 03:24:37

Depth
1.98 km
Felt reports
No data
Source: USGSUpdated: Oct 29, 2026, 03:26 AM UTC

A magnitude 1.8 earthquake occurred on Oct 29, 2026 at 03:24:37. Epicenter: 20 km W of Westley, California, United States. Reported depth: 1.98 km.

Tsunami information

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Time & depth

Local time
Oct 28, 2026, 20:24:37 PDT
UTC
Oct 29, 2026, 03:24:37 UTC
1.98 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

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Nearby major cities

Tracy
20 km N
Manteca
32 km NE
Livermore
33 km NW
Modesto
39 km E
Nearby earthquakes · 12
M2.54 km SE of Aromas, CABeforeM2.326 km NNE of Montecito, CABeforeM2.614 km E of Seven Trees, CABeforeM4.010 km N of Lake Pillsbury, CABeforeM2.612 km SW of Ridgemark, CABeforeM2.72 km NE of Pacifica, CABeforeM2.65 km WNW of Madera, CAAfterM2.712 km SW of Ridgemark, CAAfterM2.410 km N of Lake Pillsbury, CAAfterM2.722 km SSW of Big Pine, CAAfterM2.929 km W of Petrolia, CAAfterM2.732 km SE of Bodie, CAAfter

Agency measurements

Agencies may use different observations and magnitude scales, and initial estimates can change.

  • USGSM 1.76

    nc75459252

    Depth:
    1.98 km
    Time:
    Updated:
    Oct 29, 2026, 03:26 AM UTC

Technical Details

Depth1.98 km
Significance48
Latitude37.5567
Longitude-121.4253
Event IDnc75459252
Magnitude1.8
Updated:Oct 29, 2026, 03:26:13 UTC

Regional Seismicity

View recent seismic activity near this event:

United StatesCaliforniaTracy (Nearest City)

External Resources

YouTube · Earthquake LiveView on USGS Official Site

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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, 03:26 UTC.

Data sources: