California earthquakes

M2.8 earthquake 8km WSW of Devore, CA

A magnitude 2.8 earthquake struck 8km WSW of Devore, CA on Fri, Apr 17, 1942, 9:45 PM GMT-7 (04:45 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.8 7km SW of Morongo Valley, CA. This one was a foreshock.

Lytle Creek forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
2.8 (ml), micro
Local time
UTC
1942-04-18 04:45:28 UTC
Depth
18.0 km (11.2 mi), shallow
Epicenter
34.184° N, 117.470° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 2.3 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.18
Depth from
Operator assigned
Station coverage gap
242°, poorly surrounded by stations
Stations used
3

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 2.79km ENE of Desert Hot Springs, CA · 30836 days ago · 6 km deep · 98 km away
  2. 2.66km SSE of Winchester, CA · 30832 days ago · 6 km deep · 70 km away
  3. 3.87km SW of Morongo Valley, CA · 30830 days ago · 6 km deep · 79 km away
  4. 3.34km NNE of Murrieta Hot Springs, CA · 30827 days ago · 6 km deep · 71 km away
  5. 2.42km S of Seal Beach, CA · 30825 days ago · 6 km deep · 78 km away
  6. 2.52km ESE of Fontana, CA · 30823 days ago · 14 km deep · 11 km away
  7. 2.99km E of Idyllwild, CA · 30822 days ago · 6 km deep · 93 km away
  8. 2.78km SSW of Calimesa, CA · 30815 days ago · 1 km deep · 45 km away
  9. 2.527km NE of Lucerne Valley, CA · 30811 days ago · 6 km deep · 81 km away
  10. 4.014km E of Lucerne Valley, CA · 30804 days ago · 6 km deep · 67 km away
  11. 2.84km NNW of Big Bear Lake, CA · 30804 days ago · 6 km deep · 51 km away
  12. 2.219km E of Lucerne Valley, CA · 30804 days ago · 6 km deep · 71 km away
  13. 2.815km NNE of Big Bear City, CA · 30804 days ago · 6 km deep · 66 km away
  14. 2.915km E of Lucerne Valley, CA · 30804 days ago · 6 km deep · 67 km away
  15. 2.62km E of Long Beach, CA · 30803 days ago · 6 km deep · 75 km away
  16. 2.43km SE of Carson, CA · 30803 days ago · 6 km deep · 83 km away
  17. 2.914km NNE of Pinon Hills, CA · 30801 days ago · 6 km deep · 43 km away
  18. 2.82km WSW of Lomita, CA · 30797 days ago · 6 km deep · 91 km away
  19. 2.02km NW of Marina del Rey, CA · 30790 days ago · 6 km deep · 94 km away

Before

  1. 2.52km ENE of Fountain Valley, CA · 30839 days ago · 6 km deep · 67 km away
  2. 2.814km N of Big Bear City, CA · 30846 days ago · 6 km deep · 64 km away
  3. 2.54km NNW of Rubidoux, CA · 30852 days ago · 0 km deep · 18 km away
  4. 2.78km SSW of Lucerne Valley, CA · 30854 days ago · 6 km deep · 49 km away
  5. 2.726km SSE of Barstow, CA · 30860 days ago · 6 km deep · 73 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3365956. Read Tue, Sep 22, 2026, 9:31 AM UTC.