29 Sept 2026, 11:36 UTC · Sep 29, 7:36 AM ET · PAGER green

M4.8 earthquake 97 km W of Petrolia, CA

A magnitude 4.8 earthquake struck 97 km W of Petrolia, CA at Sep 29, 7:36 AM ET, 10 km deep, light – felt by most people nearby, rattling windows, rarely damage. 20 people reported feeling it.

M3.8 161 km W of Ferndale, CaliforniaM3.9 62 km W of Petrolia, CAM4.0 66 km W of Petrolia, CAM4.0 61 km W of Petrolia, CAM4.1 54 km W of Petrolia, CAM4.2 65 km W of Petrolia, CAM4.3 90 km W of Ferndale, CAM4.5 64 km W of Petrolia, CAM4.5 61 km W of Petrolia, CAM4.7 107 km W of Petrolia, CAM4.7 85 km W of Petrolia, CAM4.8 97 km W of Petrolia, CAM5.1 62 km W of Petrolia, CA
under 33–44–55–66+
Magnitude4.8 mw
Time29 Sept 2026, 11:36 UTC
Location40.422°, -125.418° – 97 km W of Petrolia, CA
Depth10.0 km
Felt reports20
Max. estimated intensity (MMI)2.3
PAGER alertgreen
USGS eventnc75444322
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.162 km W of Petrolia, CA · PAGER greenJun 3, 8:45 AM
135 d ago
10 km125 reports
4.785 km W of Petrolia, CA · tsunami flag · PAGER greenAug 28, 10:41 PM
49 d ago
10 km102 reports
4.7107 km W of Petrolia, CA · PAGER greenFeb 5, 7:49 AM
253 d ago
10 km184 reports
4.561 km W of Petrolia, CA · PAGER greenJun 3, 10:36 PM
135 d ago
10 km31 reports
4.564 km W of Petrolia, CA · PAGER greenJun 3, 9:11 AM
135 d ago
10 km13 reports
4.390 km W of Ferndale, CA · PAGER greenJan 22, 2:28 AM
268 d ago
10 km10 reports
4.265 km W of Petrolia, CA · PAGER greenJan 18, 7:20 PM
271 d ago
10 km12 reports
4.154 km W of Petrolia, CA · PAGER greenApr 25, 3:38 AM
175 d ago
14 km5 reports
4.061 km W of Petrolia, CAJun 3, 11:51 AM
135 d ago
10 km1 report
4.066 km W of Petrolia, CAApr 24, 3:29 PM
175 d ago
10 km18 reports
3.962 km W of Petrolia, CAMay 21, 3:00 PM
148 d ago
10 km3 reports
3.8161 km W of Ferndale, CaliforniaMar 25, 11:29 AM
205 d ago
10 km1 report
FAQ

About this earthquake

How strong was the 97 km W of Petrolia, CA earthquake?

Magnitude 4.8 (mw), light – felt by most people nearby, rattling windows, rarely damage. Depth 10 km. Strongest estimated shaking: intensity 2.3 on the Modified Mercalli scale.

Was it felt?

20 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.1.

Were there aftershocks?

No earthquakes within 100 km have followed so far in our records.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

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