M3.4 earthquake 4km SE of Devore, CA

Magnitude

3.4 (ml), minor

Local time

Sun, Oct 31, 1965, 1:56 PM GMT-8

UTC

1965-10-31 21:56:15 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

34.202° N, 117.373° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 3.2 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

86°

Stations used

12

• Muscoy, CaliforniaPopulation 10,644. Forecast6 kmNNW
• Rialto, CaliforniaPopulation 103,132. Forecast11 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast82 kmENE

After

1. 2.838km SW of Ludlow, CASun, Oct 31, 11:16 PM GMT-8 · 22241 days ago · 6 km deep · 89 km away
2. 2.95km SSW of Los Angeles, CAFri, Nov 12, 3:55 PM GMT-8 · 22229 days ago · 0 km deep · 85 km away
3. 2.121km NW of Yucca Valley, CATue, Nov 16, 6:46 PM GMT-8 · 22225 days ago · 6 km deep · 71 km away
4. 3.038km NE of Big Bear City, CAWed, Nov 17, 1:02 AM GMT-8 · 22225 days ago · 6 km deep · 83 km away
5. 2.033km NNW of Joshua Tree, CAWed, Nov 17, 2:44 AM GMT-8 · 22225 days ago · 6 km deep · 89 km away
6. 2.337km ENE of Lucerne Valley, CAWed, Nov 17, 3:13 AM GMT-8 · 22225 days ago · 6 km deep · 81 km away
7. 2.66km NNE of Cabazon, CAWed, Nov 17, 12:10 PM GMT-8 · 22224 days ago · 6 km deep · 63 km away
8. 3.64km NNE of Running Springs, CAFri, Dec 3, 2:49 PM GMT-8 · 22208 days ago · 0 km deep · 26 km away
9. 3.112km NE of Cabazon, CAFri, Dec 10, 11:54 PM GMT-8 · 22201 days ago · 6 km deep · 65 km away
10. 2.01km NW of Compton, CAThu, Dec 16, 11:43 PM GMT-8 · 22195 days ago · 13 km deep · 85 km away
11. 2.935km SW of Ludlow, CAFri, Dec 17, 11:24 AM GMT-8 · 22194 days ago · 6 km deep · 91 km away

Before

1. 2.24km E of Fontana, CASun, Oct 31, 3:05 AM GMT-8 · 22242 days ago · 6 km deep · 12 km away
2. 2.89km N of Cabazon, CASat, Oct 30, 4:03 PM GMT-7 · 22242 days ago · 6 km deep · 59 km away
3. 3.410km NNE of Cabazon, CASat, Oct 23, 12:39 PM GMT-7 · 22249 days ago · 6 km deep · 61 km away
4. 3.15km NNE of Fontana, CAThu, Oct 21, 6:41 PM GMT-7 · 22251 days ago · 5 km deep · 10 km away
5. 2.611km NNE of Cabazon, CAThu, Oct 21, 3:52 AM GMT-7 · 22252 days ago · 6 km deep · 61 km away
6. 2.99km N of Cabazon, CAThu, Oct 21, 3:25 AM GMT-7 · 22252 days ago · 6 km deep · 58 km away
7. 3.711km NNE of Cabazon, CAThu, Oct 21, 1:43 AM GMT-7 · 22252 days ago · 6 km deep · 60 km away
8. 3.59km N of Cabazon, CATue, Oct 19, 6:16 PM GMT-7 · 22253 days ago · 6 km deep · 59 km away
9. 3.710km NNE of Cabazon, CATue, Oct 19, 2:33 PM GMT-7 · 22253 days ago · 16 km deep · 61 km away
10. 2.87km N of Cabazon, CAMon, Oct 18, 5:05 AM GMT-7 · 22255 days ago · 6 km deep · 59 km away
11. 2.86km SSE of Lucerne Valley, CASun, Oct 17, 9:23 PM GMT-7 · 22255 days ago · 6 km deep · 46 km away
12. 2.84km N of Cabazon, CASun, Oct 17, 8:44 PM GMT-7 · 22255 days ago · 6 km deep · 60 km away
13. 2.89km NNE of Cabazon, CASun, Oct 17, 2:58 PM GMT-7 · 22255 days ago · 10 km deep · 62 km away
14. 4.011km N of Cabazon, CASun, Oct 17, 8:36 AM GMT-7 · 22255 days ago · 15 km deep · 58 km away
15. 2.89km NNE of Cabazon, CASun, Oct 17, 5:35 AM GMT-7 · 22256 days ago · 15 km deep · 62 km away
16. 5.08km NNE of Cabazon, CASun, Oct 17, 2:45 AM GMT-7 · 22256 days ago · 13 km deep · 61 km away
17. 2.43km N of Fontana, CAFri, Oct 15, 4:34 PM GMT-7 · 22257 days ago · 5 km deep · 12 km away
18. 3.85km NW of Fontana, CASun, Oct 10, 4:23 PM GMT-7 · 22262 days ago · 11 km deep · 14 km away
19. 2.31km ESE of Costa Mesa, CASat, Oct 9, 9:04 PM GMT-7 · 22263 days ago · 6 km deep · 77 km away
20. 2.14km NW of Mira Loma, CASat, Oct 9, 1:42 AM GMT-7 · 22264 days ago · 4 km deep · 26 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3330380. Read Wed, Sep 23, 2026, 12:51 AM UTC.