4.2

Earthquake Details: 4 km SE of San Ramon, California, United States

Feb 2, 2026, 15:01:13

Depth
9.56 km
Felt reports
5,032
Source: USGSUpdated: Oct 12, 2026, 03:11 PM UTC

A magnitude 4.2 earthquake occurred on Feb 2, 2026 at 15:01:13. Epicenter: 4 km SE of San Ramon, California, United States. Reported depth: 9.56 km.

Status: Reviewed
Tsunami information

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Time & depth

Local time
Feb 2, 2026, 07:01:13 PST
UTC
Feb 2, 2026, 15:01:13 UTC
9.56 km · Shallow-focus

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

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Nearby major cities

Agency measurements

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

  • USGSmw 4.18

    nc75305736

    Depth:
    9.56 km
    Status:
    Reviewed
    Time:
    Updated:
    Oct 12, 2026, 03:11 PM UTC

Technical Details

Depth9.56 km
Significance729
Latitude37.7563
Longitude-121.9437
Event IDnc75305736
Magnitude4.2
Updated:Oct 12, 2026, 15:11:16 UTC

Regional Seismicity

View recent seismic activity near this event:

United StatesCaliforniaSan Ramon (Nearest City)

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