M1.8 earthquake 32km ENE of Coso Junction, CA

Magnitude

1.8 (mh), micro

Local time

Sat, Jul 11, 1981, 7:14 AM PDT

UTC

1981-07-11 14:14:34 UTC

Depth

-1.4 km (-0.8 mi), shallow

Epicenter

36.126° N, 117.611° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 1.4 km in depth

Depth from

From location

Station coverage gap

227°, poorly surrounded by stations

Stations used

6

• Searles Valley, CaliforniaPopulation 1,739. Forecast44 kmNNW
• Ridgecrest, CaliforniaPopulation 28,780. Forecast56 kmN
• Bakersfield, CaliforniaPopulation 373,640. Forecast152 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast238 kmNNE

After

1. 1.519km SE of Little Lake, CASun, Jul 12, 10:38 PM PDT · 16507 days ago · 4 km deep · 37 km away
2. 2.015km NNE of Inyokern, CAMon, Jul 13, 6:40 AM PDT · 16507 days ago · 2 km deep · 42 km away
3. 1.915km NE of Inyokern, CAMon, Jul 13, 2:06 PM PDT · 16507 days ago · 4 km deep · 42 km away
4. 1.817km W of Johannesburg, CATue, Jul 14, 3:10 AM PDT · 16506 days ago · 5 km deep · 88 km away
5. 3.021km WNW of Inyokern, CASat, Jul 18, 2:22 PM PDT · 16502 days ago · -1 km deep · 56 km away
6. 2.418km WNW of Johannesburg, CASat, Jul 18, 9:44 PM PDT · 16501 days ago · 3 km deep · 82 km away
7. 1.719km SE of Little Lake, CASun, Jul 19, 3:03 AM PDT · 16501 days ago · 3 km deep · 37 km away
8. 2.118km WNW of Johannesburg, CASun, Jul 19, 4:45 AM PDT · 16501 days ago · 2 km deep · 82 km away
9. 1.717km W of Johannesburg, CASun, Jul 19, 5:07 AM PDT · 16501 days ago · 4 km deep · 83 km away
10. 1.918km WNW of Johannesburg, CASun, Jul 19, 11:09 AM PDT · 16501 days ago · 3 km deep · 83 km away
11. 2.416km NNE of Inyokern, CASun, Jul 19, 12:06 PM PDT · 16501 days ago · 2 km deep · 41 km away
12. 2.515km SE of Lone Pine, CATue, Jul 21, 10:09 AM PDT · 16499 days ago · 1 km deep · 51 km away
13. 2.020km NNE of Inyokern, CAWed, Jul 22, 11:45 AM PDT · 16498 days ago · 4 km deep · 37 km away
14. 1.82km E of Little Lake, CAThu, Jul 23, 3:26 PM PDT · 16497 days ago · 4 km deep · 32 km away
15. 1.522km E of Coso Junction, CAThu, Jul 23, 10:41 PM PDT · 16496 days ago · 5 km deep · 11 km away
16. 2.013km SE of Olancha, CAFri, Jul 24, 2:15 PM PDT · 16496 days ago · 5 km deep · 27 km away
17. 1.612km ESE of Olancha, CASat, Jul 25, 3:25 AM PDT · 16495 days ago · 5 km deep · 27 km away
18. 2.216km ENE of Coso Junction, CASat, Jul 25, 9:32 AM PDT · 16495 days ago · 5 km deep · 16 km away
19. 2.017km ENE of Coso Junction, CASat, Jul 25, 10:03 AM PDT · 16495 days ago · 3 km deep · 16 km away
20. 1.617km NE of Coso Junction, CASat, Jul 25, 10:28 AM PDT · 16495 days ago · 5 km deep · 16 km away
21. 2.216km ENE of Coso Junction, CASat, Jul 25, 11:04 AM PDT · 16495 days ago · 5 km deep · 16 km away
22. 2.916km ENE of Coso Junction, CASat, Jul 25, 1:05 PM PDT · 16495 days ago · 5 km deep · 16 km away
23. 1.814km NE of Coso Junction, CASat, Jul 25, 6:28 PM PDT · 16494 days ago · 5 km deep · 19 km away
24. 1.817km E of Little Lake, CASat, Jul 25, 10:49 PM PDT · 16494 days ago · 14 km deep · 25 km away
25. 1.613km ENE of Coso Junction, CASun, Jul 26, 12:48 AM PDT · 16494 days ago · 5 km deep · 19 km away
26. 2.120km ENE of Coso Junction, CATue, Jul 28, 4:29 AM PDT · 16492 days ago · 2 km deep · 11 km away
27. 1.622km N of Searles Valley, CASat, Aug 1, 6:04 PM PDT · 16487 days ago · 0 km deep · 25 km away
28. 1.72km SW of Kernville, CAMon, Aug 3, 10:55 PM PDT · 16485 days ago · 0 km deep · 86 km away
29. 2.128km N of Searles Valley, CATue, Aug 4, 7:37 PM PDT · 16484 days ago · -1 km deep · 22 km away
30. 1.527km ENE of Little Lake, CAWed, Aug 5, 1:30 AM PDT · 16484 days ago · 1 km deep · 12 km away
31. 1.724km WNW of Inyokern, CAWed, Aug 5, 3:23 PM PDT · 16484 days ago · 8 km deep · 64 km away
32. 2.143km WSW of Tecopa, CAThu, Aug 6, 3:53 AM PDT · 16483 days ago · 5 km deep · 93 km away
33. 2.134km WSW of Olancha, CASat, Aug 8, 6:34 AM PDT · 16481 days ago · 5 km deep · 67 km away
34. 1.916km NNE of Inyokern, CASat, Aug 8, 10:29 AM PDT · 16481 days ago · 1 km deep · 40 km away
35. 2.316km NNE of Inyokern, CASat, Aug 8, 7:19 PM PDT · 16480 days ago · 2 km deep · 40 km away
36. 1.56km E of Coso Junction, CAWed, Aug 12, 9:44 PM PDT · 16476 days ago · 8 km deep · 26 km away
37. 1.68km SE of Independence, CAFri, Aug 14, 9:02 PM PDT · 16474 days ago · 5 km deep · 85 km away
38. 1.79km ESE of Coso Junction, CAMon, Aug 17, 6:59 PM PDT · 16471 days ago · 3 km deep · 25 km away
39. 1.715km NNE of Inyokern, CAWed, Aug 19, 7:43 PM PDT · 16469 days ago · 0 km deep · 42 km away
40. 1.67km E of Coso Junction, CAThu, Aug 20, 2:20 PM PDT · 16469 days ago · 7 km deep · 25 km away
41. 1.624km SSW of Little Lake, CAThu, Aug 20, 6:44 PM PDT · 16468 days ago · 9 km deep · 57 km away
42. 2.16km E of Coso Junction, CAThu, Aug 20, 8:24 PM PDT · 16468 days ago · -1 km deep · 26 km away
43. 1.913km ENE of Little Lake, CAFri, Aug 21, 6:26 AM PDT · 16468 days ago · 0 km deep · 22 km away
44. 1.713km E of Little Lake, CAFri, Aug 21, 10:44 AM PDT · 16468 days ago · 5 km deep · 24 km away
45. 2.06km ESE of Coso Junction, CASat, Aug 22, 11:02 AM PDT · 16467 days ago · -1 km deep · 27 km away
46. 1.927km WSW of Coso Junction, CAMon, Aug 24, 4:20 AM PDT · 16465 days ago · 5 km deep · 59 km away
47. 1.77km NW of Olancha, CAMon, Aug 24, 9:36 PM PDT · 16464 days ago · 5 km deep · 46 km away
48. 1.513km NNE of Inyokern, CAMon, Aug 31, 1:57 AM PDT · 16458 days ago · -1 km deep · 43 km away
49. 1.814km NE of Inyokern, CAMon, Aug 31, 4:03 AM PDT · 16458 days ago · -1 km deep · 43 km away
50. 1.715km NE of Inyokern, CASat, Sep 5, 7:09 AM PDT · 16453 days ago · 4 km deep · 42 km away
51. 1.516km NE of Coso Junction, CASat, Sep 5, 8:32 AM PDT · 16453 days ago · 4 km deep · 18 km away
52. 1.514km E of Coso Junction, CASat, Sep 5, 12:00 PM PDT · 16453 days ago · 4 km deep · 17 km away
53. 1.67km WNW of Little Lake, CASun, Sep 6, 6:35 AM PDT · 16452 days ago · 4 km deep · 38 km away
54. 1.850km W of Shoshone, CAMon, Sep 7, 10:45 PM PDT · 16450 days ago · 5 km deep · 74 km away

Before

1. 1.816km N of Ridgecrest, CAMon, Jul 6, 1:15 PM PDT · 16514 days ago · 6 km deep · 41 km away
2. 2.014km NNE of Inyokern, CASun, Jul 5, 7:47 PM PDT · 16514 days ago · 0 km deep · 42 km away
3. 2.212km NNE of Inyokern, CASun, Jul 5, 5:23 PM PDT · 16515 days ago · -1 km deep · 45 km away
4. 3.116km NNE of Inyokern, CASun, Jul 5, 10:45 AM PDT · 16515 days ago · -1 km deep · 41 km away
5. 2.114km NE of Inyokern, CASun, Jul 5, 7:17 AM PDT · 16515 days ago · 5 km deep · 43 km away
6. 2.614km NE of Inyokern, CASun, Jul 5, 6:34 AM PDT · 16515 days ago · -1 km deep · 42 km away
7. 2.915km NNE of Inyokern, CASun, Jul 5, 6:33 AM PDT · 16515 days ago · -1 km deep · 42 km away
8. 2.816km NNE of Inyokern, CASun, Jul 5, 5:31 AM PDT · 16515 days ago · -1 km deep · 41 km away
9. 3.117km NNE of Inyokern, CASun, Jul 5, 3:30 AM PDT · 16515 days ago · 2 km deep · 40 km away
10. 2.433km E of Johannesburg, CASat, Jul 4, 11:22 PM PDT · 16515 days ago · 5 km deep · 87 km away
11. 2.012km ENE of Little Lake, CAFri, Jul 3, 9:35 PM PDT · 16516 days ago · 2 km deep · 22 km away
12. 2.130km N of Searles Valley, CAFri, Jul 3, 7:57 AM PDT · 16517 days ago · 5 km deep · 20 km away
13. 2.924km ENE of Coso Junction, CASun, Jun 28, 4:49 PM PDT · 16522 days ago · 3 km deep · 7 km away
14. 1.527km W of Inyokern, CATue, Jun 23, 4:47 PM PDT · 16527 days ago · 2 km deep · 68 km away
15. 2.315km NNE of Inyokern, CASun, Jun 21, 10:56 AM PDT · 16529 days ago · 5 km deep · 41 km away
16. 1.921km W of Johannesburg, CAMon, Jun 15, 10:08 PM PDT · 16534 days ago · 5 km deep · 85 km away
17. 2.212km SE of Lake Isabella, CAMon, Jun 15, 1:08 AM PDT · 16535 days ago · 9 km deep · 93 km away
18. 1.815km NNE of Inyokern, CAThu, Jun 11, 6:42 PM PDT · 16538 days ago · -1 km deep · 42 km away
19. 1.620km SE of Little Lake, CAThu, Jun 11, 4:15 PM PDT · 16539 days ago · 3 km deep · 35 km away
20. 1.512km ENE of Little Lake, CAThu, Jun 11, 2:09 PM PDT · 16539 days ago · 0 km deep · 23 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci519246. Read Tue, Sep 22, 2026, 12:18 PM UTC.