Earthquake · reviewed by a seismologist
M 1.6ml
Earthquake near Yucca Valley, CA
No earthquake was likely felt in Yucca Valley in the 24 hours to 2:23 am PST (10:23 UTC). The last one was M 3.2, 18 km (11 mi) SE, at 9:51 am PDT on 1 August 2026, estimated intensity III (weak) in town; 46 felt reports to USGS. Every earthquake near Yucca Valley
This page: a magnitude 1.6 earthquake was recorded 27 km (17 mi) north of Yucca Valley, CA, at 12:56 pm PDT on 4 October 2018 (19:56 UTC), 5.3 km deep.
USGS: 28km N of Yucca Valley, CA
98 km (61 mi) ENE of Riverside, CA · 58 km (36 mi) N of Cathedral City, CA
- When
- 12:56 pm PDT on 4 October 2018 ()
- Where
- 27 km (17 mi) north of Yucca Valley, CA · earthquakes near Yucca Valley
- Magnitude
- M 1.6 (ml)
- Depth
- 5.3 km below the surface
- Felt
- no reports yet
- Nearest
- San Bernardino County, 61 km NNE
- Nearest mapped fault
- Homestead Valley fault, 2 km from its surface trace — near is not the same as on
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 2942 days ago
Earthquake alerts for Yucca Valley, CA
Get a notification in this browser when USGS records an earthquake near Yucca Valley, CA. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth, people at rest would likely notice it out to about 9 km (6 mi) from the epicentre. In Yucca Valley, 27 km away, the estimate is intensity I (not felt). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
Earthquakes near other towns within 30 km: Joshua Tree.
How big was it?
This earthquake released about 6.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 2,300,000× the energy of this one
- Magna, Utah 2020 M 5.7 1,600,000× the energy of this one
- Around the size people start to feel M 3.0 140× the energy of this one
- This earthquake M 1.6 about 6.6 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.
For this area
The largest earthquake within 50 km since 2016 was M 4.5 on 2018-05-08 — about 25,000 times the energy of this one.
Before 2016, the USGS record lists 38 earthquakes of M5 or more within 50 km; the five largest:
- 7.3 The 1992 Landers, California Earthquake · 18 km S of this epicentre
- 7.1 The 1999 Hector Mine, California Earthquake · 32 km NNE of this epicentre
- 6.3 The 1992 Big Bear, California Earthquake · 38 km WSW of this epicentre
- 6.1 The 1992 Joshua Tree, California Earthquake · 46 km SSE of this epicentre
- 6.0 The 1948 Desert Hot Springs, California Earthquake · 44 km SSE of this epicentre
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 34.3602, -116.4613. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| San Bernardino County, CA | 61 km (38 mi) | NNE | earthquakes near San Bernardino County |
| Riverside County, CA | 82 km (51 mi) | SSE | earthquakes near Riverside County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
32 earthquakes have been recorded within 50 km since this one.
- 2.5 39km NE of Big Bear City, CA
- 3.4 8km ESE of Lucerne Valley, CA
- 1.8 13km W of Ludlow, CA
- 1.6 34km NE of Lucerne Valley, CA
- 1.7 28km SSW of Ludlow, CA
- 1.7 8km N of Big Bear Lake, CA
- 1.8 14km WSW of Ludlow, CA
- 1.8 16km S of Joshua Tree, CA
- 1.8 12km WSW of Ludlow, CA
- 1.8 32km SSW of Ludlow, CA
- 1.6 34km NE of Lucerne Valley, CA
- 1.8 16km WSW of Ludlow, CA
- 1.7 14km WSW of Ludlow, CA
- 2.0 14km WSW of Ludlow, CA
- 1.9 12km N 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.
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.