Earthquake · reviewed by a seismologist
M 3.6ml
10km ENE of Ocotillo Wells, CA
- When
- Magnitude
- M 3.6 (ml)
- Depth
- 8.9 km below the surface
- Felt
- 11 reports · strongest reported intensity III
- Measured shaking
- intensity V (ShakeMap)
- Nearest
- Riverside County, 61 km N
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 2985 days ago
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 11 people have reported feeling it to USGS.
How big was it?
This earthquake released about 3.3 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.6 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 51,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 2,300× the energy of this one
- Magna, Utah 2020 M 5.7 1,600× the energy of this one
- This earthquake M 3.6 about 3.3 tons of TNT
- Around the size people start to feel M 3.0 this one released 6.9× 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 33.1778, -116.0292. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Riverside County, CA | 61 km (38 mi) | S of here | earthquakes near Riverside County |
| Imperial County, CA | 65 km (40 mi) | WNW of here | earthquakes near Imperial County |
| San Diego County, CA | 72 km (45 mi) | ENE of here | earthquakes near San Diego County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
39 earthquakes have been recorded within 50 km since this one.
- 1.8 6km NNE of North Shore, CA
- 1.7 15km SW of Westmorland, CA
- 2.5 13km ESE of Borrego Springs, CA
- 1.8 11km ENE of Ocotillo Wells, CA
- 1.5 3km E of Westmorland, CA
- 1.5 24km SSE of Ocotillo Wells, CA
- 1.8 18km SSW of Ocotillo Wells, CA
- 1.6 27km NNE of Ocotillo, CA
- 1.5 15km N of Borrego Springs, CA
- 1.8 15km N of Borrego Springs, CA
- 2.0 12km SE of Ocotillo Wells, CA
- 1.7 13km W of Niland, CA
- 1.7 2km W of Brawley, CA
- 1.7 24km ESE of Ocotillo Wells, CA
- 2.1 23km ESE of Ocotillo Wells, 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 280 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.