M1.6 earthquake 15km ENE of Coso Junction, CA

Magnitude

1.6 (mc), micro

Local time

Mon, Dec 21, 1981, 10:43 PM PST

UTC

1981-12-22 06:43:32 UTC

Depth

4.2 km (2.6 mi), shallow

Epicenter

36.107° N, 117.805° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.7 km in depth

Depth from

From location

Station coverage gap

134°

Stations used

10

• Inyokern, CaliforniaPopulation 1,099. Forecast51 kmN
• Ridgecrest, CaliforniaPopulation 28,780. Forecast55 kmNNW
• Visalia, CaliforniaPopulation 130,104. Forecast136 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast232 kmN

After

1. 1.516km ENE of Coso Junction, CAMon, Dec 21, 11:01 PM PST · 16353 days ago · 8 km deep · 1 km away
2. 1.514km ENE of Coso Junction, CAMon, Dec 21, 11:06 PM PST · 16353 days ago · 4 km deep · 1 km away
3. 1.514km ENE of Coso Junction, CAWed, Dec 23, 1:29 AM PST · 16352 days ago · 4 km deep · 1 km away
4. 2.434km E of Olancha, CAThu, Dec 24, 1:10 AM PST · 16351 days ago · 5 km deep · 23 km away
5. 2.78km ESE of Olancha, CAThu, Dec 24, 9:51 AM PST · 16350 days ago · 5 km deep · 19 km away
6. 1.914km ENE of Coso Junction, CAThu, Dec 24, 1:25 PM PST · 16350 days ago · 5 km deep · 0 km away
7. 2.114km ENE of Coso Junction, CAFri, Dec 25, 10:38 PM PST · 16349 days ago · 5 km deep · 1 km away
8. 2.42km SE of Ridgecrest, CASat, Dec 26, 12:30 AM PST · 16349 days ago · -1 km deep · 57 km away
9. 1.521km E of Coso Junction, CASat, Dec 26, 12:47 AM PST · 16349 days ago · 5 km deep · 9 km away
10. 2.016km ENE of Coso Junction, CASun, Dec 27, 7:17 AM PST · 16348 days ago · 5 km deep · 1 km away
11. 1.916km ENE of Coso Junction, CASun, Dec 27, 3:50 PM PST · 16347 days ago · 5 km deep · 1 km away
12. 2.725km W of Johannesburg, CATue, Dec 29, 1:37 AM PST · 16346 days ago · 7 km deep · 84 km away
13. 2.226km W of Inyokern, CATue, Dec 29, 11:05 AM PST · 16345 days ago · 5 km deep · 54 km away
14. 1.625km WNW of Inyokern, CAWed, Dec 30, 3:17 PM PST · 16344 days ago · 3 km deep · 50 km away
15. 1.722km NNE of Trona, CAWed, Dec 30, 5:02 PM PST · 16344 days ago · 5 km deep · 51 km away
16. 1.88km NE of Ridgecrest, CAThu, Dec 31, 4:25 AM PST · 16344 days ago · -1 km deep · 50 km away
17. 1.59km NE of Ridgecrest, CAThu, Dec 31, 4:42 AM PST · 16344 days ago · -1 km deep · 50 km away
18. 1.520km NNE of Trona, CAThu, Dec 31, 5:10 AM PST · 16344 days ago · 5 km deep · 51 km away
19. 2.516km NNE of Inyokern, CAThu, Dec 31, 3:58 PM PST · 16343 days ago · 2 km deep · 38 km away
20. 2.626km W of Johannesburg, CASun, Jan 3, 3:30 PM PST · 16340 days ago · 5 km deep · 83 km away
21. 2.214km ESE of Olancha, CAWed, Jan 6, 11:16 AM PST · 16337 days ago · 5 km deep · 14 km away
22. 2.215km ENE of Coso Junction, CAFri, Jan 8, 11:58 AM PST · 16335 days ago · 3 km deep · 1 km away
23. 2.445km WSW of Shoshone, CASun, Jan 10, 10:37 PM PST · 16333 days ago · 5 km deep · 97 km away
24. 2.227km W of Inyokern, CAMon, Jan 11, 1:46 AM PST · 16333 days ago · 5 km deep · 55 km away
25. 2.127km W of Inyokern, CAMon, Jan 11, 1:51 AM PST · 16333 days ago · 5 km deep · 56 km away
26. 2.618km W of Johannesburg, CAMon, Jan 11, 4:01 AM PST · 16333 days ago · 4 km deep · 80 km away
27. 2.414km ENE of Coso Junction, CATue, Jan 12, 12:09 AM PST · 16332 days ago · 3 km deep · 2 km away
28. 2.623km E of Little Lake, CASat, Jan 16, 2:31 AM PST · 16328 days ago · 0 km deep · 26 km away
29. 2.523km E of Little Lake, CASat, Jan 16, 2:36 AM PST · 16328 days ago · 0 km deep · 26 km away
30. 2.42km E of Bodfish, CASat, Jan 16, 4:27 AM PST · 16328 days ago · 5 km deep · 83 km away
31. 2.311km ENE of Ridgecrest, CASun, Jan 17, 4:18 PM PST · 16326 days ago · 7 km deep · 53 km away
32. 1.916km S of Bodfish, CATue, Jan 19, 11:10 AM PST · 16324 days ago · 5 km deep · 97 km away
33. 2.59km NE of Ridgecrest, CATue, Jan 19, 7:52 PM PST · 16324 days ago · 3 km deep · 52 km away
34. 2.328km ESE of Kernville, CAThu, Jan 21, 4:13 PM PST · 16322 days ago · 10 km deep · 59 km away
35. 2.029km W of Inyokern, CAFri, Jan 22, 2:26 PM PST · 16321 days ago · 9 km deep · 59 km away
36. 1.99km ESE of Lake Isabella, CASun, Jan 24, 4:55 AM PST · 16320 days ago · 2 km deep · 79 km away
37. 2.210km NE of Ridgecrest, CAMon, Jan 25, 7:35 AM PST · 16319 days ago · 5 km deep · 52 km away
38. 2.019km ESE of Bodfish, CATue, Jan 26, 3:21 AM PST · 16318 days ago · 5 km deep · 79 km away
39. 2.29km NE of Olancha, CATue, Jan 26, 9:08 AM PST · 16317 days ago · 0 km deep · 30 km away
40. 2.226km S of Trona, CAWed, Jan 27, 8:38 AM PST · 16316 days ago · 5 km deep · 77 km away
41. 2.110km NE of Coso Junction, CAThu, Jan 28, 4:00 PM PST · 16315 days ago · 2 km deep · 5 km away
42. 2.514km ENE of Coso Junction, CASat, Jan 30, 1:19 PM PST · 16313 days ago · 0 km deep · 1 km away
43. 2.016km ENE of Coso Junction, CASat, Jan 30, 2:32 PM PST · 16313 days ago · 2 km deep · 1 km away
44. 1.816km ENE of Coso Junction, CASun, Jan 31, 7:57 AM PST · 16313 days ago · 4 km deep · 3 km away
45. 2.612km ENE of Kernville, CAMon, Feb 1, 8:26 PM PST · 16311 days ago · 2 km deep · 56 km away
46. 1.912km ENE of Kernville, CAMon, Feb 1, 8:37 PM PST · 16311 days ago · 5 km deep · 57 km away
47. 1.914km NE of Coso Junction, CAWed, Feb 3, 6:10 AM PST · 16310 days ago · 5 km deep · 3 km away
48. 1.718km NE of Coso Junction, CAWed, Feb 3, 9:02 AM PST · 16309 days ago · 5 km deep · 5 km away
49. 1.914km NE of Coso Junction, CAWed, Feb 3, 9:32 AM PST · 16309 days ago · 5 km deep · 3 km away
50. 2.513km NE of Coso Junction, CAWed, Feb 3, 12:47 PM PST · 16309 days ago · 3 km deep · 2 km away
51. 2.125km WNW of Inyokern, CAThu, Feb 4, 7:55 PM PST · 16308 days ago · 6 km deep · 51 km away
52. 2.118km SE of Bodfish, CAFri, Feb 5, 2:53 PM PST · 16307 days ago · 5 km deep · 87 km away
53. 2.629km NE of Trona, CASun, Feb 7, 1:36 AM PST · 16306 days ago · 5 km deep · 62 km away
54. 2.217km E of Little Lake, CATue, Feb 9, 4:34 AM PST · 16304 days ago · 9 km deep · 22 km away
55. 2.317km SE of Lone Pine, CATue, Feb 9, 11:08 AM PST · 16303 days ago · 4 km deep · 44 km away
56. 2.511km N of Ridgecrest, CAThu, Feb 11, 1:28 PM PST · 16301 days ago · 2 km deep · 45 km away
57. 3.810km NNE of Ridgecrest, CAThu, Feb 11, 2:37 PM PST · 16301 days ago · 11 km deep · 47 km away
58. 2.323km WNW of Inyokern, CASat, Feb 13, 3:36 AM PST · 16300 days ago · 6 km deep · 44 km away
59. 2.622km E of Little Lake, CASat, Feb 13, 8:32 AM PST · 16300 days ago · 0 km deep · 24 km away
60. 2.418km NNE of Inyokern, CAWed, Feb 17, 8:03 PM PST · 16295 days ago · 9 km deep · 35 km away

The first 60 of 65.

Before

1. 2.613km ENE of Coso Junction, CAMon, Dec 21, 10:38 PM PST · 16353 days ago · 1 km deep · 2 km away
2. 1.512km NE of Coso Junction, CAMon, Dec 21, 10:29 PM PST · 16353 days ago · -1 km deep · 3 km away
3. 2.212km ENE of Coso Junction, CAMon, Dec 21, 4:07 PM PST · 16353 days ago · -1 km deep · 3 km away
4. 1.513km ENE of Coso Junction, CAMon, Dec 21, 1:22 PM PST · 16353 days ago · 4 km deep · 2 km away
5. 1.915km S of Bodfish, CAMon, Dec 21, 6:24 AM PST · 16354 days ago · 5 km deep · 97 km away
6. 2.511km ENE of Coso Junction, CASun, Dec 20, 3:04 PM PST · 16354 days ago · -1 km deep · 4 km away
7. 1.715km NE of Coso Junction, CASun, Dec 20, 4:35 AM PST · 16355 days ago · 3 km deep · 2 km away
8. 1.514km ENE of Coso Junction, CASat, Dec 19, 2:20 PM PST · 16355 days ago · 3 km deep · 0 km away
9. 2.414km ENE of Coso Junction, CASat, Dec 19, 8:33 AM PST · 16356 days ago · 3 km deep · 2 km away
10. 1.514km ENE of Coso Junction, CASat, Dec 19, 4:43 AM PST · 16356 days ago · 4 km deep · 1 km away
11. 1.613km ENE of Coso Junction, CASat, Dec 19, 4:42 AM PST · 16356 days ago · 3 km deep · 2 km away
12. 1.512km ENE of Coso Junction, CAFri, Dec 18, 11:40 AM PST · 16356 days ago · 1 km deep · 3 km away
13. 1.912km ENE of Coso Junction, CAFri, Dec 18, 11:25 AM PST · 16356 days ago · 0 km deep · 3 km away
14. 1.513km ENE of Coso Junction, CAFri, Dec 18, 10:32 AM PST · 16356 days ago · 3 km deep · 1 km away
15. 2.19km NE of Ridgecrest, CAFri, Dec 18, 8:58 AM PST · 16356 days ago · 1 km deep · 51 km away
16. 1.814km SE of Johannesburg, CAFri, Dec 18, 7:59 AM PST · 16357 days ago · 9 km deep · 94 km away
17. 1.816km S of Bodfish, CAFri, Dec 18, 5:58 AM PST · 16357 days ago · 5 km deep · 97 km away
18. 1.823km N of California City, CAFri, Dec 18, 2:35 AM PST · 16357 days ago · 5 km deep · 88 km away
19. 2.012km ENE of Coso Junction, CAThu, Dec 17, 7:09 PM PST · 16357 days ago · 0 km deep · 3 km away
20. 1.814km ENE of Coso Junction, CAThu, Dec 17, 3:12 PM PST · 16357 days ago · 4 km deep · 1 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci103752. Read Wed, Sep 30, 2026, 4:04 AM UTC.