Earthquake · reviewed by a seismologist
M 1.9ml
11km SSE of Lucerne Valley, CA
- When
- Magnitude
- M 1.9 (ml)
- Depth
- 4.5 km below the surface
- Felt
- no reports yet
- Nearest
- San Bernardino County, 88 km NE
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 1366 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 23 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 660,000× the energy of this one
- Magna, Utah 2020 M 5.7 470,000× the energy of this one
- Around the size people start to feel M 3.0 42× the energy of this one
- This earthquake M 1.9 about 23 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 34.3537, -116.9223. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| San Bernardino County, CA | 88 km (55 mi) | SW of here | earthquakes near San Bernardino County |
| Orange County, CA | 109 km (68 mi) | NE of here | earthquakes near Orange County |
| Riverside County, CA | 110 km (68 mi) | NW of here | earthquakes near Riverside County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
51 earthquakes have been recorded within 50 km since this one.
- 2.0 5km NNE of Banning, CA
- 1.7 14km W of Morongo Valley, CA
- 1.5 6km NE of Beaumont, CA
- 2.1 17km ENE of Big Bear City, CA
- 1.9 9km WNW of Big Bear Lake, CA
- 1.6 8km ESE of Big Bear City, CA
- 1.6 3km ESE of Loma Linda, CA
- 1.7 3km SW of Calimesa, CA
- 1.6 15km W of Morongo Valley, CA
- 1.6 5km S of Redlands, CA
- 3.1 5km SSW of Big Bear Lake, CA
- 1.6 7km S of Redlands, CA
- 1.5 3km NNW of Cabazon, CA
- 2.0 5km ENE of Banning, CA
- 1.5 6km NE of Cabazon, 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 4.5 on 2018-05-08 — 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.