QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

Earthquake near Thousand Palms, CA

No earthquake was likely felt in Thousand Palms in the 24 hours to 7:24 am PST (15:24 UTC). The last one was M 3.1, 36 km (22 mi) S, at 5:01 pm PDT on 30 September 2026, estimated intensity II (weak) in town; 8 felt reports to USGS. Every earthquake near Thousand Palms

This page: a magnitude 1.9 earthquake was recorded 7 km (4 mi) east-northeast of Thousand Palms, CA, at 2:51 am PST on 4 January 2023 (10:51 UTC), 6.7 km deep.

USGS: 7km ENE of Thousand Palms, CA

13 km (8 mi) E of Cathedral City, CA · 138 km (85 mi) NNE of San Diego, CA

2:51 am PST, Jan 4, 2023 · · 6.7 km deep · released about 25 lb of TNT

10 km30 km60 km120 km N Riverside County 33 kmSan Diego County 101 kmSan Bernardino County 113 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
2:51 am PST on 4 January 2023 ()
Where
7 km (4 mi) east-northeast of Thousand Palms, CA · earthquakes near Thousand Palms
Magnitude
M 1.9 (ml)
Depth
6.7 km below the surface
Felt
no reports yet
Nearest
Riverside County, 33 km ESE
Nearest mapped fault
San Andreas fault, under 1 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 1400 days ago

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 14 km (9 mi) from the epicentre. In Thousand Palms, 7 km away, the estimate is intensity II (weak). 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.

Likely felt in: Thousand Palms 7 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 25 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 600,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 420,000× the energy of this one
  3. Around the size people start to feel M 3.0 38× the energy of this one
  4. This earthquake M 1.9 about 25 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 5.2 on 2016-06-10 — about 72,000 times the energy of this one.

Before 2016, the USGS record lists 25 earthquakes of M5 or more within 50 km; the five largest:

  1. 7.3 The 1992 Landers, California Earthquake · 40 km NNW of this epicentre
  2. 6.1 The 1992 Joshua Tree, California Earthquake · 12 km N of this epicentre
  3. 6.0 The 1948 Desert Hot Springs, California Earthquake · 15 km N of this epicentre
  4. 6.0 The 1986 North Palm Springs, California Earthquake · 31 km WNW of this epicentre
  5. 5.8 3km NE of Yucca Valley, California · 32 km NNW 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 33.8498, -116.3235. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Riverside County, CA 33 km (20 mi) ESE earthquakes near Riverside County
San Diego County, CA 101 km (63 mi) SSW earthquakes near San Diego County
San Bernardino County, CA 113 km (70 mi) N earthquakes near San Bernardino County
Imperial County, CA 127 km (79 mi) SE earthquakes near Imperial 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.

  1. 1.5 6km NE of Cabazon, CA
  2. 2.3 20km ESE of Anza, CA
  3. 1.9 22km SSW of La Quinta, CA
  4. 1.5 7km S of Idyllwild, CA
  5. 1.6 18km ESE of Anza, CA
  6. 1.7 16km N of Yucca Valley, CA
  7. 1.7 5km SW of Idyllwild, CA
  8. 2.2 8km ENE of Cabazon, CA
  9. 1.8 12km NNE of Cabazon, CA
  10. 1.5 13km NNE of Indio, CA
  11. 2.2 13km ENE of Coachella, CA
  12. 1.5 13km ENE of Coachella, CA
  13. 1.5 12km N of Thousand Palms, CA
  14. 1.9 6km SW of Idyllwild, CA
  15. 1.5 14km ENE of Thousand Palms, 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

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.