Earthquake · reviewed by a seismologist
M 3.1ml
17km N of Indio, CA
- When
- Magnitude
- M 3.1 (ml)
- Depth
- 8.1 km below the surface
- Felt
- 23 reports · strongest reported intensity III
- Nearest
- Riverside County, 24 km SE
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 712 days ago
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 23 people have reported feeling it to USGS.
How big was it?
This earthquake released about 1,400 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.1 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 240,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 11,000× the energy of this one
- Magna, Utah 2020 M 5.7 7,700× the energy of this one
- This earthquake M 3.1 about 1,400 lb of TNT
- Around the size people start to feel M 3.0 this one released 1.5× more
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 33.8688, -116.1965. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Riverside County, CA | 24 km (15 mi) | NW of here | earthquakes near Riverside County |
| San Diego County, CA | 108 km (67 mi) | NNE of here | earthquakes near San Diego County |
| San Bernardino County, CA | 110 km (68 mi) | S of here | earthquakes near San Bernardino County |
| Imperial County, CA | 121 km (75 mi) | NW of here | earthquakes near Imperial County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
34 earthquakes have been recorded within 50 km since this one.
- 2.3 17km ESE of Anza, CA
- 1.5 30km SE of Twentynine Palms, CA
- 1.6 12km NE of Indio, CA
- 2.3 8km WNW of Garnet, CA
- 1.8 10km WSW of Morongo Valley, CA
- 2.5 7km NE of Desert Hot Springs, CA
- 1.7 13km NE of Indio, CA
- 1.7 11km SW of Morongo Valley, CA
- 1.5 10km ENE of Indio, CA
- 1.7 14km S of Twentynine Palms, CA
- 1.6 10 km E of Desert Hot Springs, CA
- 1.7 10km NE of Desert Hot Springs, CA
- 2.0 22km ESE of Anza, CA
- 1.7 17km SSW of La Quinta, CA
- 1.8 19km SW of La Quinta, 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 4.2 on 2019-07-22 — it released about 43 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.