USGS · August 10, 2026
Magnitude 2.5 earthquake — 9 km E of Rancho Tehama Reserve, CA
A magnitude 2.5 earthquake was recorded near 9 km E of Rancho Tehama Reserve, CA on Aug 10, 2026, 09:57 PM (local time at the epicentre — PDT, UTC-7), at a depth of about 37.2 km, according to USGS.
USGSShallow (0–70 km)Reviewed by a seismologist
Updated 2026-09-04 18:47 UTC
The full record
- Magnitude
- M 2.5 · duration magnitude
- Location
- 9 km E of Rancho Tehama Reserve, CA
- Local time at the epicentre
- Aug 10, 2026, 09:57 PM — PDT, UTC-7
- Time (UTC)
- 2026-08-11 04:57 UTC
- Depth
- 37.2 km · Shallow (0–70 km)
- Coordinates
- 40.000, -122.292
- Felt reports
- No “Did You Feel It?” reports submitted
- Tsunami
- No tsunami evaluation was flagged for this earthquake.
- Significance
- 99 / 1000 · routine event
- Solution quality
- 41 seismic stations used · 32° azimuthal gap (well-constrained epicentre)
- Review status
- Reviewed by a seismologist
- Catalog
- USGS
Epicentre and nearby recent earthquakes
The highlighted circle is this earthquake. Smaller circles are other events recorded nearby in the last 30 days.
What the shaking was like
Shallow earthquakes release their energy close to the surface, so they are felt more strongly nearby than a deeper earthquake of the same magnitude.
No intensity estimate was published for this event, which is usual for small earthquakes far from populated areas.
Felt it yourself? USGS collects first-hand reports through “Did You Feel It?”, and those reports are what produce the community intensity above.
Who lives nearby
About 33,811 people live in towns within 30 km of the epicentre, and 418,535 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| Rancho Tehama Reserve | 9.5 km W | 1,485 |
| Corning | 12.5 km SE | 7,548 |
| Gerber | 13.6 km ENE | 1,060 |
| Los Molinos | 16.5 km E | 2,037 |
| Red Bluff | 20.4 km NNE | 14,131 |
| Orland | 29.2 km SSE | 7,550 |
| Hamilton City | 37.2 km SE | 1,759 |
| Cottonwood | 42.9 km N | 3,316 |
| Chico | 49.1 km SE | 121,345 |
| Anderson | 49.9 km N | 10,217 |
Earthquake history in this area
No earthquake of magnitude 4.5+ has been recorded within 200 km of this epicentre since 1960, in California.
Other earthquakes near this epicentre
8 other events within 100 km in the last 30 days.
M 2.6 10 km N of Lake Pillsbury, CA
M 2.7 32 km NNW of Covelo, CAFelt · 1
M 2.6 32 km NW of Covelo, CA
M 3.2 31 km NNW of Covelo, CAFelt · 5
M 2.7 4 km SSE of Anderson, CAFelt · 1
M 4.4 31 km NNW of Covelo, CAFelt · 122
M 3.9 31 km NNW of Covelo, CAFelt · 8
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Frequently asked questions
How strong was the 9 km E of Rancho Tehama Reserve, CA earthquake?
Magnitude 2.5 (duration magnitude), at a depth of 37.2 km. Shallow earthquakes release their energy close to the surface, so they are felt more strongly nearby than a deeper earthquake of the same magnitude.
Exactly when did it happen?
Aug 10, 2026, 09:57 PM (local time at the epicentre — PDT, UTC-7). In universal time: 2026-08-11 04:57 UTC.
Was it felt?
No “Did You Feel It?” reports were submitted for this event. Small earthquakes usually pass unnoticed except very close to the epicentre.
Was there a tsunami warning?
No tsunami evaluation was flagged for this earthquake.
Which towns are closest to the epicentre?
The closest is Rancho Tehama Reserve, 9.5 km W (population 1,485).
Are earthquakes normal in this area?
8 further events were recorded within 100 km of the epicentre in the last 30 days.
How do I get alerts for the next earthquake here?
Install the free SeismoWatch Android app, draw a box over this area, set a minimum magnitude, and turn alerts on.
About this page
Event data: U.S. Geological Survey (USGS), the European-Mediterranean Seismological Centre (EMSC) and, in Venezuela, FUNVISIS. Populated places and time zones: GeoNames (CC BY 4.0). Preliminary solutions are revised as more observations arrive.