Earthquake · reviewed by a seismologist
M 5.2mw
20km NNW of Borrego Springs, CA
- When
- Magnitude
- M 5.2 (mw)
- Depth
- 12 km below the surface
- Felt
- 14183 reports · strongest reported intensity VI
- Measured shaking
- intensity VI (ShakeMap)
- USGS impact alert
- green
- Nearest
- Riverside County, 53 km NE
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 124 days ago
This was a moderate earthquake. Shaking at this size can damage poorly built structures close to the epicentre. 14183 people have reported feeling it to USGS.
How big was it?
This earthquake released about 920 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 6.2 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 180× the energy of this one
- Mineral, Virginia 2011 M 5.8 8.2× the energy of this one
- Magna, Utah 2020 M 5.7 5.8× the energy of this one
- This earthquake M 5.2 about 920 tons of TNT
- Around the size people start to feel M 3.0 this one released 1,900× 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 33.4315, -116.4427. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Riverside County, CA | 53 km (33 mi) | SW of here | earthquakes near Riverside County |
| San Diego County, CA | 55 km (34 mi) | NE of here | earthquakes near San Diego County |
| Imperial County, CA | 110 km (68 mi) | WNW of here | earthquakes near Imperial County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
60 earthquakes have been recorded within 50 km since this one.
- 1.9 22km ESE of Anza, CA
- 2.1 22km SSW of La Quinta, CA
- 1.5 23km ESE of Anza, CA
- 1.7 21km ESE of Anza, CA
- 2.9 23km SSW of La Quinta, CA
- 1.5 19km ESE of Anza, CA
- 1.7 23km SSW of La Quinta, CA
- 1.5 23km ESE of Anza, CA
- 2.0 12km ESE of Anza, CA
- 2.0 20km ESE of Anza, CA
- 1.9 22km ESE of Anza, CA
- 1.9 20km ESE of Anza, CA
- 1.8 11km ESE of Anza, CA
- 1.8 22km ESE of Anza, CA
- 1.6 24km SSW 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.
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.