M1.6 earthquake 29km WNW of Ludlow, CA

Magnitude

1.6 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Oct 4, 1981, 10:15 PM PDT

UTC

1981-10-05 05:15:48 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

34.820° N, 116.455° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

120°

Stations used

15

• Yermo, CaliforniaPopulation 623. Forecast35 kmESE
• Barstow, CaliforniaPopulation 23,692. Forecast53 kmE
• Victorville, CaliforniaPopulation 122,225. Forecast83 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast185 kmENE

After

1. 1.56km SW of Lucerne Valley, CAMon, Oct 5, 5:39 AM PDT · 16435 days ago · 1 km deep · 69 km away
2. 1.96km WNW of Desert Hot Springs, CAMon, Oct 5, 6:17 PM PDT · 16435 days ago · 7 km deep · 94 km away
3. 1.516km N of Joshua Tree, CATue, Oct 6, 12:40 AM PDT · 16434 days ago · 4 km deep · 61 km away
4. 2.46km WSW of Lucerne Valley, CAThu, Oct 8, 11:11 AM PDT · 16432 days ago · 1 km deep · 68 km away
5. 2.019km NE of Lucerne Valley, CASat, Oct 10, 8:56 AM PDT · 16430 days ago · -2 km deep · 45 km away
6. 1.75km NNE of Cabazon, CASun, Oct 11, 12:41 AM PDT · 16429 days ago · 17 km deep · 100 km away
7. 3.513km SSW of Twentynine Palms, CATue, Oct 13, 1:14 PM PDT · 16427 days ago · 9 km deep · 92 km away
8. 1.724km NNW of Yucca Valley, CAThu, Oct 15, 1:46 AM PDT · 16425 days ago · 0 km deep · 57 km away
9. 1.518km WNW of Amboy, CAFri, Oct 16, 7:18 AM PDT · 16424 days ago · 5 km deep · 53 km away
10. 1.823km NNW of Joshua Tree, CASat, Oct 17, 6:12 AM PDT · 16423 days ago · -1 km deep · 55 km away
11. 1.639km SSE of Fort Irwin, CASun, Oct 18, 10:15 AM PDT · 16422 days ago · 5 km deep · 15 km away
12. 1.940km SSE of Fort Irwin, CASun, Oct 18, 9:23 PM PDT · 16421 days ago · 0 km deep · 14 km away
13. 2.317km NW of Yucca Valley, CAMon, Oct 19, 9:04 AM PDT · 16421 days ago · 8 km deep · 68 km away
14. 3.024km N of Yucca Valley, CAMon, Oct 19, 2:43 PM PDT · 16421 days ago · 1 km deep · 55 km away
15. 1.624km N of Yucca Valley, CAMon, Oct 19, 3:16 PM PDT · 16421 days ago · 1 km deep · 54 km away
16. 1.79km SE of Big Bear City, CAWed, Oct 21, 9:21 PM PDT · 16418 days ago · 8 km deep · 76 km away
17. 1.64km WNW of Lake Arrowhead, CAThu, Oct 22, 10:52 AM PDT · 16418 days ago · 3 km deep · 94 km away
18. 1.730km SE of Barstow, CAThu, Oct 22, 12:43 PM PDT · 16418 days ago · -1 km deep · 33 km away
19. 2.016km E of Desert Hot Springs, CAFri, Oct 23, 10:34 AM PDT · 16417 days ago · -1 km deep · 96 km away
20. 1.78km NNE of Cabazon, CAFri, Oct 23, 3:40 PM PDT · 16417 days ago · 16 km deep · 97 km away
21. 1.74km SE of Barstow, CATue, Oct 27, 2:06 PM PST · 16413 days ago · 8 km deep · 49 km away
22. 1.618km NNE of Big Bear City, CAWed, Oct 28, 4:24 AM PST · 16412 days ago · 3 km deep · 54 km away
23. 1.621km N of Yucca Valley, CAFri, Oct 30, 8:11 AM PST · 16410 days ago · 0 km deep · 58 km away
24. 1.78km E of Barstow, CAFri, Oct 30, 7:36 PM PST · 16409 days ago · 4 km deep · 44 km away
25. 2.030km S of Tecopa, CASat, Oct 31, 4:03 PM PST · 16409 days ago · 5 km deep · 88 km away
26. 2.820km NW of Barstow, CASun, Nov 1, 9:50 PM PST · 16407 days ago · 6 km deep · 70 km away
27. 1.75km N of Big Bear City, CAMon, Nov 2, 10:06 AM PST · 16407 days ago · 0 km deep · 67 km away
28. 1.730km ESE of Johannesburg, CATue, Nov 3, 8:38 AM PST · 16406 days ago · 5 km deep · 95 km away
29. 1.68km NNW of Big Bear City, CAFri, Nov 6, 7:49 AM PST · 16403 days ago · 9 km deep · 67 km away
30. 1.522km N of Yucca Valley, CAFri, Nov 6, 2:20 PM PST · 16403 days ago · 3 km deep · 57 km away
31. 1.622km N of Yucca Valley, CASat, Nov 7, 4:05 PM PST · 16402 days ago · 0 km deep · 57 km away
32. 1.712km N of Banning, CASat, Nov 7, 6:40 PM PST · 16401 days ago · 15 km deep · 95 km away
33. 1.76km S of Lake Arrowhead, CATue, Nov 10, 8:49 PM PST · 16398 days ago · 1 km deep · 96 km away
34. 1.65km ENE of Joshua Tree, CAFri, Nov 13, 5:58 AM PST · 16396 days ago · -1 km deep · 76 km away
35. 2.37km ENE of Joshua Tree, CAFri, Nov 13, 8:45 AM PST · 16396 days ago · -1 km deep · 76 km away
36. 1.69km NE of Lake Arrowhead, CAMon, Nov 16, 10:42 AM PST · 16393 days ago · 3 km deep · 84 km away
37. 2.111km N of Banning, CAMon, Nov 23, 2:42 PM PST · 16386 days ago · 10 km deep · 96 km away
38. 3.336km E of Barstow, CATue, Nov 24, 1:20 AM PST · 16385 days ago · 11 km deep · 16 km away
39. 1.734km E of Barstow, CATue, Nov 24, 7:10 AM PST · 16385 days ago · 1 km deep · 18 km away
40. 2.034km ENE of Big Bear City, CATue, Nov 24, 7:42 AM PST · 16385 days ago · 2 km deep · 45 km away
41. 2.034km E of Barstow, CATue, Nov 24, 8:15 AM PST · 16385 days ago · 5 km deep · 18 km away
42. 1.714km S of Twentynine Palms, CATue, Nov 24, 3:40 PM PST · 16385 days ago · 2 km deep · 95 km away
43. 2.635km E of Barstow, CATue, Nov 24, 10:28 PM PST · 16384 days ago · 5 km deep · 18 km away
44. 1.631km N of Baker, CAWed, Nov 25, 11:04 PM PST · 16383 days ago · 5 km deep · 86 km away
45. 1.634km SE of Fort Irwin, CAMon, Nov 30, 8:13 PM PST · 16378 days ago · 5 km deep · 21 km away
46. 1.834km SE of Fort Irwin, CAThu, Dec 3, 7:38 AM PST · 16376 days ago · 5 km deep · 22 km away
47. 2.524km N of Yucca Valley, CAThu, Dec 3, 4:09 PM PST · 16376 days ago · 0 km deep · 55 km away

Before

1. 2.212km NNE of Lake Arrowhead, CAFri, Oct 2, 11:00 PM PDT · 16437 days ago · -1 km deep · 83 km away
2. 1.610km NNE of Banning, CASat, Sep 26, 2:24 PM PDT · 16444 days ago · 19 km deep · 96 km away
3. 3.310km NNE of Banning, CAFri, Sep 25, 7:13 AM PDT · 16445 days ago · 21 km deep · 97 km away
4. 2.423km N of Yucca Valley, CAMon, Sep 21, 6:11 PM PDT · 16449 days ago · 0 km deep · 55 km away
5. 1.518km NNW of Joshua Tree, CASun, Sep 20, 12:01 PM PDT · 16450 days ago · 9 km deep · 60 km away
6. 1.77km NNE of Cabazon, CASat, Sep 19, 11:26 AM PDT · 16451 days ago · 7 km deep · 98 km away
7. 1.96km WSW of Morongo Valley, CAWed, Sep 16, 11:57 PM PDT · 16453 days ago · 11 km deep · 89 km away
8. 2.710km NE of Lake Arrowhead, CAWed, Sep 16, 1:32 PM PDT · 16454 days ago · 3 km deep · 82 km away
9. 1.66km W of Desert Hot Springs, CASun, Sep 13, 8:47 PM PDT · 16456 days ago · 10 km deep · 97 km away
10. 1.63km ENE of Lake Arrowhead, CAFri, Sep 11, 3:19 AM PDT · 16459 days ago · 5 km deep · 90 km away
11. 2.814km W of Morongo Valley, CAThu, Sep 10, 2:35 PM PDT · 16460 days ago · 9 km deep · 89 km away
12. 1.522km N of Yucca Valley, CAThu, Sep 10, 8:36 AM PDT · 16460 days ago · -1 km deep · 56 km away
13. 2.28km NNE of Cabazon, CAMon, Sep 7, 1:32 AM PDT · 16463 days ago · 6 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci524302. Read Sun, Oct 4, 2026, 1:52 PM UTC.