M2.5 earthquake 11km SSW of Olancha, CA

Magnitude

2.5 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Sep 18, 1981, 11:18 PM PDT

UTC

1981-09-19 06:18:47 UTC

Depth

4.6 km (2.8 mi), shallow

Epicenter

36.189° N, 118.053° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Magnitude uncertainty

±0.22

Depth from

Operator assigned

Station coverage gap

57°

Stations used

0

• Lone Pine, CaliforniaPopulation 2,035. Forecast46 kmS
• Ridgecrest, CaliforniaPopulation 28,780. Forecast72 kmNNW
• Visalia, CaliforniaPopulation 130,104. Forecast112 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast238 kmN

After

1. 1.514km S of Olancha, CAFri, Sep 18, 11:30 PM PDT · 16448 days ago · 5 km deep · 4 km away
2. 1.79km WNW of Olancha, CASat, Sep 19, 12:17 AM PDT · 16448 days ago · 5 km deep · 16 km away
3. 1.56km WNW of Olancha, CASat, Sep 19, 7:00 AM PDT · 16448 days ago · 5 km deep · 13 km away
4. 2.410km E of Lone Pine, CASun, Sep 20, 6:30 AM PDT · 16447 days ago · 5 km deep · 43 km away
5. 1.918km WNW of Johannesburg, CASat, Sep 26, 11:44 PM PDT · 16440 days ago · -1 km deep · 89 km away
6. 1.712km NNE of Inyokern, CAMon, Sep 28, 2:48 AM PDT · 16439 days ago · 4 km deep · 57 km away
7. 2.223km E of Little Lake, CATue, Sep 29, 4:52 AM PDT · 16438 days ago · 0 km deep · 47 km away
8. 1.619km SSW of Little Lake, CATue, Sep 29, 7:56 AM PDT · 16438 days ago · 3 km deep · 45 km away
9. 1.56km ESE of Bodfish, CATue, Sep 29, 10:30 PM PDT · 16437 days ago · 3 km deep · 78 km away
10. 1.928km ESE of Lake Isabella, CATue, Sep 29, 11:10 PM PDT · 16437 days ago · 5 km deep · 72 km away
11. 1.78km ESE of Coso Junction, CAWed, Sep 30, 3:31 AM PDT · 16437 days ago · 4 km deep · 25 km away
12. 2.45km NNW of Olancha, CASat, Oct 3, 7:59 AM PDT · 16434 days ago · 4 km deep · 15 km away
13. 2.12km WNW of Olancha, CASun, Oct 4, 1:15 AM PDT · 16433 days ago · 5 km deep · 12 km away
14. 1.53km SSW of Olancha, CASun, Oct 4, 11:58 AM PDT · 16433 days ago · 4 km deep · 8 km away
15. 2.423km W of Johannesburg, CASat, Oct 10, 8:53 AM PDT · 16427 days ago · 1 km deep · 91 km away
16. 2.313km SSE of Bodfish, CASat, Oct 17, 4:03 AM PDT · 16420 days ago · 2 km deep · 86 km away
17. 1.716km N of Searles Valley, CASun, Oct 18, 5:26 PM PDT · 16418 days ago · 5 km deep · 67 km away
18. 2.728km N of California City, CAMon, Oct 19, 6:19 AM PDT · 16418 days ago · 1 km deep · 91 km away
19. 2.512km SSW of Olancha, CAMon, Oct 19, 5:12 PM PDT · 16417 days ago · 5 km deep · 2 km away
20. 2.214km NE of Coso Junction, CATue, Oct 20, 11:30 AM PDT · 16417 days ago · 4 km deep · 22 km away
21. 2.312km SSW of Olancha, CAWed, Oct 21, 5:07 PM PDT · 16415 days ago · 5 km deep · 1 km away
22. 2.830km ESE of Lake Isabella, CAThu, Oct 22, 4:35 PM PDT · 16414 days ago · -1 km deep · 73 km away
23. 1.618km SE of Bodfish, CASun, Oct 25, 6:31 AM PST · 16412 days ago · 5 km deep · 84 km away
24. 2.019km NE of Olancha, CASun, Oct 25, 10:01 PM PST · 16411 days ago · 4 km deep · 29 km away
25. 2.140km ENE of Coso Junction, CAMon, Oct 26, 7:16 PM PST · 16410 days ago · 5 km deep · 45 km away
26. 1.519km W of Searles Valley, CASat, Oct 31, 10:58 AM PST · 16406 days ago · 0 km deep · 59 km away
27. 1.525km NNE of Trona, CASun, Nov 1, 10:25 AM PST · 16405 days ago · 5 km deep · 71 km away
28. 2.18km NNE of Little Lake, CATue, Nov 3, 3:36 AM PST · 16403 days ago · 1 km deep · 26 km away
29. 2.217km NNE of Inyokern, CATue, Nov 3, 6:22 AM PST · 16403 days ago · 3 km deep · 54 km away
30. 2.317km NNE of Inyokern, CATue, Nov 3, 1:58 PM PST · 16403 days ago · 4 km deep · 54 km away
31. 1.717km NNE of Inyokern, CATue, Nov 3, 2:01 PM PST · 16403 days ago · 7 km deep · 53 km away
32. 1.514km ESE of Bodfish, CAWed, Nov 4, 12:31 PM PST · 16402 days ago · 5 km deep · 79 km away
33. 1.926km E of Coso Junction, CAWed, Nov 4, 5:39 PM PST · 16401 days ago · 0 km deep · 38 km away
34. 2.417km N of Ridgecrest, CAWed, Nov 4, 11:09 PM PST · 16401 days ago · 2 km deep · 59 km away
35. 2.024km W of Johannesburg, CAThu, Nov 5, 2:23 AM PST · 16401 days ago · 6 km deep · 94 km away
36. 2.216km NE of Olancha, CASat, Nov 7, 5:26 AM PST · 16399 days ago · -1 km deep · 26 km away
37. 2.119km SSW of Little Lake, CASat, Nov 7, 7:52 AM PST · 16399 days ago · 4 km deep · 44 km away
38. 2.07km ESE of Bodfish, CASat, Nov 7, 6:40 PM PST · 16398 days ago · 6 km deep · 78 km away
39. 1.539km E of Olancha, CASun, Nov 8, 9:49 AM PST · 16398 days ago · 5 km deep · 43 km away
40. 2.26km N of Little Lake, CAMon, Nov 9, 1:10 AM PST · 16397 days ago · 1 km deep · 25 km away
41. 2.812km ESE of Lone Pine, CAMon, Nov 9, 7:48 AM PST · 16397 days ago · 5 km deep · 40 km away
42. 2.318km NE of Olancha, CATue, Nov 10, 12:11 PM PST · 16396 days ago · 4 km deep · 29 km away
43. 2.012km NNE of Inyokern, CAWed, Nov 11, 1:09 AM PST · 16395 days ago · 4 km deep · 56 km away
44. 2.916km NNE of Inyokern, CAWed, Nov 11, 12:25 PM PST · 16395 days ago · 1 km deep · 55 km away
45. 1.815km NNE of Inyokern, CAThu, Nov 12, 10:27 AM PST · 16394 days ago · 1 km deep · 55 km away
46. 2.95km SE of Independence, CAFri, Nov 13, 1:22 AM PST · 16393 days ago · 4 km deep · 65 km away
47. 2.014km ESE of Porterville, CAMon, Nov 16, 2:47 AM PST · 16390 days ago · 5 km deep · 76 km away

Before

1. 2.321km WSW of Olancha, CAFri, Sep 18, 6:56 PM PDT · 16448 days ago · 5 km deep · 14 km away
2. 2.116km SSW of Searles Valley, CAFri, Sep 18, 5:34 PM PDT · 16448 days ago · 2 km deep · 82 km away
3. 1.59km SSW of Olancha, CAFri, Sep 18, 6:23 AM PDT · 16449 days ago · 5 km deep · 2 km away
4. 1.65km WNW of Little Lake, CATue, Sep 15, 5:02 AM PDT · 16452 days ago · 4 km deep · 27 km away
5. 2.020km WNW of Searles Valley, CAMon, Sep 14, 6:53 PM PDT · 16452 days ago · 1 km deep · 56 km away
6. 2.616km SSW of Searles Valley, CAMon, Sep 14, 12:41 PM PDT · 16453 days ago · -1 km deep · 82 km away
7. 2.120km WNW of Inyokern, CAWed, Sep 9, 10:42 AM PDT · 16458 days ago · 1 km deep · 51 km away
8. 1.67km WNW of Little Lake, CASun, Sep 6, 6:35 AM PDT · 16461 days ago · 4 km deep · 26 km away
9. 1.514km E of Coso Junction, CASat, Sep 5, 12:00 PM PDT · 16462 days ago · 4 km deep · 27 km away
10. 1.516km NE of Coso Junction, CASat, Sep 5, 8:32 AM PDT · 16462 days ago · 4 km deep · 22 km away
11. 1.715km NE of Inyokern, CASat, Sep 5, 7:09 AM PDT · 16462 days ago · 4 km deep · 57 km away
12. 1.814km NE of Inyokern, CAMon, Aug 31, 4:03 AM PDT · 16467 days ago · -1 km deep · 57 km away
13. 1.513km NNE of Inyokern, CAMon, Aug 31, 1:57 AM PDT · 16467 days ago · -1 km deep · 57 km away
14. 1.77km NW of Olancha, CAMon, Aug 24, 9:36 PM PDT · 16473 days ago · 5 km deep · 15 km away
15. 1.927km WSW of Coso Junction, CAMon, Aug 24, 4:20 AM PDT · 16474 days ago · 5 km deep · 30 km away
16. 2.06km ESE of Coso Junction, CASat, Aug 22, 11:02 AM PDT · 16476 days ago · -1 km deep · 23 km away
17. 1.713km E of Little Lake, CAFri, Aug 21, 10:44 AM PDT · 16477 days ago · 5 km deep · 37 km away
18. 1.913km ENE of Little Lake, CAFri, Aug 21, 6:26 AM PDT · 16477 days ago · 0 km deep · 35 km away
19. 2.16km E of Coso Junction, CAThu, Aug 20, 8:24 PM PDT · 16477 days ago · -1 km deep · 22 km away
20. 1.624km SSW of Little Lake, CAThu, Aug 20, 6:44 PM PDT · 16477 days ago · 9 km deep · 49 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci523252. Read Thu, Oct 1, 2026, 10:46 AM UTC.