Earthquake · reviewed by a seismologist
M 2.6ml
4km WSW of Borrego Springs, CA
- When
- Magnitude
- M 2.6 (ml)
- Depth
- 4.8 km below the surface
- Felt
- 4 reports · strongest reported intensity II
- Nearest
- San Diego County, 42 km SW
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 3518 days ago
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 4 people have reported feeling it to USGS.
How big was it?
This earthquake released about 260 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 59,000× the energy of this one
- Magna, Utah 2020 M 5.7 42,000× the energy of this one
- Around the size people start to feel M 3.0 3.7× the energy of this one
- This earthquake M 2.6 about 260 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 33.2483, -116.4172. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| San Diego County, CA | 42 km (26 mi) | NE of here | earthquakes near San Diego County |
| Riverside County, CA | 66 km (41 mi) | SW of here | earthquakes near Riverside County |
| Imperial County, CA | 102 km (63 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
45 earthquakes have been recorded within 50 km since this one.
- 1.7 9km NE of Aguanga, CA
- 1.9 4km ESE of Palomar Observatory, CA
- 1.8 24km NW of Ocotillo, CA
- 1.9 6km WNW of Lake Henshaw, CA
- 1.6 14km SW of Borrego Springs, CA
- 1.8 8km NNW of Julian, CA
- 2.3 10km N of Borrego Springs, CA
- 2.3 10km N of Borrego Springs, CA
- 1.6 4km E of Ocotillo Wells, CA
- 1.6 15km NE of Borrego Springs, CA
- 1.6 24km N of Borrego Springs, CA
- 1.7 10km SSE of Ocotillo Wells, CA
- 1.9 13km E of Borrego Springs, CA
- 2.5 14km ENE of Borrego Springs, CA
- 1.9 8km NE of Aguanga, 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 5.2 on 2016-06-10 — it released about 7,200 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.