M3.7 earthquake 36 km E of Hydesville, CA
A magnitude 3.7 earthquake struck 36 km E of Hydesville, CA at Sep 7, 5:44 PM ET, 24 km deep, minor – felt by people near the epicenter. 15 people reported feeling it.
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| Magnitude | 3.7 mw |
| Time | 7 Sept 2026, 21:44 UTC |
| Location | 40.563°, -123.677° – 36 km E of Hydesville, CA |
| Depth | 24.3 km |
| Felt reports | 15 |
| Max. estimated intensity (MMI) | 2.6 |
| USGS event | nc75431397 |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.4 | 11 km N of Covelo, CA · PAGER green | Jul 10, 9:14 PM 98 d ago | 10 km | 66 reports |
| 4.4 | 31 km NNW of Covelo, CA · PAGER green | Aug 5, 6:21 PM 72 d ago | 7 km | 122 reports |
| 4.0 | 31 km NNW of Covelo, CA · PAGER green | Aug 4, 8:25 PM 73 d ago | 8 km | 7 reports |
| 3.9 | 31 km NNW of Covelo, CA · PAGER green | Aug 5, 6:20 PM 72 d ago | 8 km | 8 reports |
| 3.8 | 20 km WSW of Petrolia, CA | Sep 9, 9:24 PM 37 d ago | 20 km | 24 reports |
| 3.8 | 12 km NNE of Covelo, CA | Jul 10, 6:05 PM 98 d ago | 10 km | 14 reports |
| 3.7 | 24 km W of Petrolia, CA | Apr 30, 9:58 PM 169 d ago | 9 km | 2 reports |
| 3.7 | 27 km W of Petrolia, CA | Mar 17, 8:56 AM 213 d ago | 20 km | 5 reports |
| 3.6 | 21 km W of Petrolia, CA | Sep 9, 9:24 PM 37 d ago | 20 km | 8 reports |
| 3.5 | 20 km WSW of Petrolia, CA | Sep 16, 10:34 AM 30 d ago | 20 km | 18 reports |
| 3.4 | 29 km W of Petrolia, CA | Oct 12, 11:21 AM 4 d ago | 1 km | – |
| 3.4 | 18 km SE of Redway, CA | Oct 26, 5:06 PM 355 d ago | 7 km | 9 reports |
About this earthquake
How strong was the 36 km E of Hydesville, CA earthquake?
Magnitude 3.7 (mw), minor – felt by people near the epicenter. Depth 24 km. Strongest estimated shaking: intensity 2.6 on the Modified Mercalli scale.
Was it felt?
15 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 2.7.
Were there aftershocks?
3 earthquakes within 100 km in the following two weeks are in our records, the strongest M3.8.
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.