USGS · August 11, 2026
Magnitude 2.8 earthquake — 7 km NW of The Geysers, CA
A magnitude 2.8 earthquake was recorded near 7 km NW of The Geysers, CA on Aug 11, 2026, 02:35 PM (local time at the epicentre — PDT, UTC-7), at a depth of about 2.5 km, according to USGS.
USGSShallow (0–70 km)Automatic solution — subject to revision
Updated 2026-09-04 18:17 UTC
The full record
- Magnitude
- M 2.8 · duration magnitude
- Location
- 7 km NW of The Geysers, CA
- Local time at the epicentre
- Aug 11, 2026, 02:35 PM — PDT, UTC-7
- Time (UTC)
- 2026-08-11 21:35 UTC
- Depth
- 2.5 km · Shallow (0–70 km)
- Coordinates
- 38.826, -122.803
- Felt reports
- No “Did You Feel It?” reports submitted
- Tsunami
- No tsunami evaluation was flagged for this earthquake.
- Significance
- 117 / 1000 · routine event
- Solution quality
- 69 seismic stations used · 32° azimuthal gap (well-constrained epicentre)
- Review status
- Automatic solution — subject to revision
- 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.
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 63,401 people live in towns within 30 km of the epicentre, and 1,355,744 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| Cobb | 7.0 km E | 1,778 |
| Clear Lake Riviera | 15.9 km NNE | 3,090 |
| Kelseyville | 17.2 km N | 3,353 |
| Middletown | 18.3 km ESE | 1,323 |
| Cloverdale | 18.7 km W | 8,811 |
| Lower Lake | 19.2 km ENE | 1,294 |
| Soda Bay | 19.5 km N | 1,016 |
| Clearlake | 21.2 km NE | 15,182 |
| Hidden Valley Lake | 21.3 km E | 5,579 |
| Healdsburg | 24.7 km SSW | 11,742 |
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 2 km N of Middletown, CAFelt · 3
M 2.7 6 km NNW of Redwood Valley, CAFelt · 13
M 2.6 10 km N of Lake Pillsbury, CA
M 3.2 6 km NW of The Geysers, CAFelt · 13
M 3.2 6 km NW of The Geysers, CAFelt · 6
M 3.0 7 km NW of The Geysers, CAFelt · 10
M 2.6 2 km W of The Geysers, CAFelt · 1
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Frequently asked questions
How strong was the 7 km NW of The Geysers, CA earthquake?
Magnitude 2.8 (duration magnitude), at a depth of 2.5 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 11, 2026, 02:35 PM (local time at the epicentre — PDT, UTC-7). In universal time: 2026-08-11 21:35 UTC.
Was it felt?
No “Did You Feel It?” reports were submitted for this event. Not felt except by a very few under especially favourable conditions.
Was there a tsunami warning?
No tsunami evaluation was flagged for this earthquake.
Which towns are closest to the epicentre?
The closest is Cobb, 7.0 km E (population 1,778).
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.