Earthquake · reviewed by a seismologist
M 1.8md
Earthquake near Lower Lake, CA
No earthquake was likely felt in Lower Lake in the 24 hours to 3:14 am PST (11:14 UTC). The last one was M 2.6, 19 km (12 mi) SW, at 4:44 pm PST on 8 November 2026, estimated intensity II (weak) in town. Every earthquake near Lower Lake
This page: a magnitude 1.8 earthquake was recorded 8 km (5 mi) east-northeast of Lower Lake, CA, at 5:31 am PDT on 11 March 2025 (12:31 UTC), 12 km deep.
USGS: 8 km ENE of Lower Lake, CA
58 km (36 mi) NNE of Santa Rosa, CA · 130 km (81 mi) N of San Francisco, CA
- When
- 5:31 am PDT on 11 March 2025 ()
- Where
- 8 km (5 mi) east-northeast of Lower Lake, CA · earthquakes near Lower Lake
- Magnitude
- M 1.8 (md)
- Depth
- 12 km below the surface
- Felt
- no reports yet
- Nearest
- Lake County, 26 km NW
- Nearest mapped fault
- Hunting Creek-Berryessa fault system, 4 km from its surface trace — near is not the same as on
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 608 days ago
Earthquake alerts for Lower Lake, CA
Get a notification in this browser when USGS records an earthquake near Lower Lake, CA. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth, people at rest would likely notice it out to about 8 km (5 mi) from the epicentre. In Lower Lake, 8 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
Earthquakes near other towns within 30 km: Clearlake, Clearlake Oaks, Hidden Valley Lake, Clear Lake Riviera, Cobb, Middletown.
How big was it?
This earthquake released about 17 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.8 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 870,000× the energy of this one
- Magna, Utah 2020 M 5.7 620,000× the energy of this one
- Around the size people start to feel M 3.0 55× the energy of this one
- This earthquake M 1.8 about 17 lb of TNT
Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.
For this area
The largest earthquake within 50 km since 2016 was M 5.1 on 2016-08-10 — about 75,000 times the energy of this one.
Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 38.9483, -122.5292. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Lake County, CA | 26 km (16 mi) | NW | earthquakes near Lake County |
| Colusa County, CA | 36 km (22 mi) | NE | earthquakes near Colusa County |
| Napa County, CA | 52 km (32 mi) | SSE | earthquakes near Napa County |
| Sonoma County, CA | 58 km (36 mi) | SW | earthquakes near Sonoma County |
| Yolo County, CA | 62 km (38 mi) | ESE | earthquakes near Yolo County |
| Sutter County, CA | 72 km (45 mi) | E | earthquakes near Sutter County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
55 earthquakes have been recorded within 50 km since this one.
- 2.3 7 km NW of The Geysers, CA
- 1.5 6 km NNW of The Geysers, CA
- 1.8 8 km NNW of The Geysers, CA
- 1.7 11 km SE of Cloverdale, CA
- 1.5 1 km NE of The Geysers, CA
- 1.7 6 km NNE of Windsor, CA
- 1.8 3 km W of Cobb, CA
- 1.6 3 km NW of The Geysers, CA
- 1.7 2 km NW of The Geysers, CA
- 1.5 7 km WNW of Cobb, CA
- 1.6 5 km NNW of The Geysers, CA
- 2.3 8 km NNW of The Geysers, CA
- 1.5 4 km W of Cobb, CA
- 2.0 10 km WNW of Cobb, CA
- 1.5 3 km NNW of The Geysers, CA
Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.