Earthquake · reviewed by a seismologist
M 2.2md
19km ENE of Clearlake, CA
- When
- Magnitude
- M 2.2 (md)
- Depth
- 0.5 km below the surface
- Felt
- no reports yet
- Nearest
- Colusa County, 23 km NE
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 3054 days ago
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
How big was it?
This earthquake released about 60 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 250,000× the energy of this one
- Magna, Utah 2020 M 5.7 180,000× the energy of this one
- Around the size people start to feel M 3.0 16× the energy of this one
- This earthquake M 2.2 about 60 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.
Where
Epicentre 39.0273, -122.4245. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Colusa County, CA | 23 km (14 mi) | SW of here | earthquakes near Colusa County |
| Lake County, CA | 29 km (18 mi) | ESE of here | earthquakes near Lake County |
| Napa County, CA | 58 km (36 mi) | N of here | earthquakes near Napa County |
| Yolo County, CA | 59 km (37 mi) | NW of here | earthquakes near Yolo County |
| Sutter County, CA | 62 km (39 mi) | W of here | earthquakes near Sutter County |
| Glenn County, CA | 64 km (40 mi) | S of here | earthquakes near Glenn County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
57 earthquakes have been recorded within 50 km since this one.
- 1.7 4km SSW of Anderson Springs, CA
- 1.5 6km WNW of The Geysers, CA
- 1.9 4km WNW of The Geysers, CA
- 1.9 7km NW of The Geysers, CA
- 1.8 7km NW of The Geysers, CA
- 1.5 4km N of Upper Lake, CA
- 1.6 2km S of Anderson Springs, CA
- 1.8 10km NW of The Geysers, CA
- 1.8 3km SE of The Geysers, CA
- 1.6 7km NW of The Geysers, CA
- 1.6 4km SSE of Soda Bay, CA
- 2.2 3km WSW of Anderson Springs, CA
- 1.8 7km WNW of The Geysers, CA
- 1.6 7km NW of The Geysers, CA
- 2.1 2km ESE 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.
For this area
The largest earthquake within 50 km in our catalogue was M 5.1 on 2016-08-10 — it released about 22,000 times the energy of this one.
From the QuakeIndex catalogue, built from the USGS FDSN event service.
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.