M2.7 earthquake 8km ESE of Olancha, CA

Magnitude

2.7 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Dec 24, 1981, 9:51 AM PST

UTC

1981-12-24 17:51:49 UTC

Depth

4.9 km (3.0 mi), shallow

Epicenter

36.244° N, 117.924° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.32

Depth from

Operator assigned

Station coverage gap

151°

Stations used

12

• Lone Pine, CaliforniaPopulation 2,035. Forecast42 kmSSE
• Ridgecrest, CaliforniaPopulation 28,780. Forecast73 kmNNW
• Visalia, CaliforniaPopulation 130,104. Forecast123 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast245 kmN

After

1. 1.914km ENE of Coso Junction, CAThu, Dec 24, 1:25 PM PST · 16354 days ago · 5 km deep · 19 km away
2. 2.114km ENE of Coso Junction, CAFri, Dec 25, 10:38 PM PST · 16352 days ago · 5 km deep · 17 km away
3. 2.42km SE of Ridgecrest, CASat, Dec 26, 12:30 AM PST · 16352 days ago · -1 km deep · 75 km away
4. 1.521km E of Coso Junction, CASat, Dec 26, 12:47 AM PST · 16352 days ago · 5 km deep · 27 km away
5. 2.016km ENE of Coso Junction, CASun, Dec 27, 7:17 AM PST · 16351 days ago · 5 km deep · 19 km away
6. 1.916km ENE of Coso Junction, CASun, Dec 27, 3:50 PM PST · 16351 days ago · 5 km deep · 19 km away
7. 2.725km W of Johannesburg, CATue, Dec 29, 1:37 AM PST · 16349 days ago · 7 km deep · 98 km away
8. 2.226km W of Inyokern, CATue, Dec 29, 11:05 AM PST · 16349 days ago · 5 km deep · 64 km away
9. 1.625km WNW of Inyokern, CAWed, Dec 30, 3:17 PM PST · 16348 days ago · 3 km deep · 61 km away
10. 1.722km NNE of Trona, CAWed, Dec 30, 5:02 PM PST · 16347 days ago · 5 km deep · 67 km away
11. 1.88km NE of Ridgecrest, CAThu, Dec 31, 4:25 AM PST · 16347 days ago · -1 km deep · 68 km away
12. 1.59km NE of Ridgecrest, CAThu, Dec 31, 4:42 AM PST · 16347 days ago · -1 km deep · 68 km away
13. 1.520km NNE of Trona, CAThu, Dec 31, 5:10 AM PST · 16347 days ago · 5 km deep · 68 km away
14. 2.516km NNE of Inyokern, CAThu, Dec 31, 3:58 PM PST · 16347 days ago · 2 km deep · 56 km away
15. 2.626km W of Johannesburg, CASun, Jan 3, 3:30 PM PST · 16344 days ago · 5 km deep · 97 km away
16. 2.214km ESE of Olancha, CAWed, Jan 6, 11:16 AM PST · 16341 days ago · 5 km deep · 6 km away
17. 2.215km ENE of Coso Junction, CAFri, Jan 8, 11:58 AM PST · 16339 days ago · 3 km deep · 19 km away
18. 2.227km W of Inyokern, CAMon, Jan 11, 1:46 AM PST · 16336 days ago · 5 km deep · 66 km away
19. 2.127km W of Inyokern, CAMon, Jan 11, 1:51 AM PST · 16336 days ago · 5 km deep · 66 km away
20. 2.618km W of Johannesburg, CAMon, Jan 11, 4:01 AM PST · 16336 days ago · 4 km deep · 96 km away
21. 2.414km ENE of Coso Junction, CATue, Jan 12, 12:09 AM PST · 16335 days ago · 3 km deep · 21 km away
22. 2.623km E of Little Lake, CASat, Jan 16, 2:31 AM PST · 16331 days ago · 0 km deep · 45 km away
23. 2.523km E of Little Lake, CASat, Jan 16, 2:36 AM PST · 16331 days ago · 0 km deep · 45 km away
24. 2.42km E of Bodfish, CASat, Jan 16, 4:27 AM PST · 16331 days ago · 5 km deep · 88 km away
25. 2.311km ENE of Ridgecrest, CASun, Jan 17, 4:18 PM PST · 16329 days ago · 7 km deep · 71 km away
26. 2.59km NE of Ridgecrest, CATue, Jan 19, 7:52 PM PST · 16327 days ago · 3 km deep · 70 km away
27. 2.328km ESE of Kernville, CAThu, Jan 21, 4:13 PM PST · 16325 days ago · 10 km deep · 68 km away
28. 2.029km W of Inyokern, CAFri, Jan 22, 2:26 PM PST · 16325 days ago · 9 km deep · 69 km away
29. 1.99km ESE of Lake Isabella, CASun, Jan 24, 4:55 AM PST · 16323 days ago · 2 km deep · 85 km away
30. 2.210km NE of Ridgecrest, CAMon, Jan 25, 7:35 AM PST · 16322 days ago · 5 km deep · 70 km away
31. 2.019km ESE of Bodfish, CATue, Jan 26, 3:21 AM PST · 16321 days ago · 5 km deep · 88 km away
32. 2.29km NE of Olancha, CATue, Jan 26, 9:08 AM PST · 16321 days ago · 0 km deep · 12 km away
33. 2.226km S of Trona, CAWed, Jan 27, 8:38 AM PST · 16320 days ago · 5 km deep · 96 km away
34. 2.110km NE of Coso Junction, CAThu, Jan 28, 4:00 PM PST · 16319 days ago · 2 km deep · 17 km away
35. 2.514km ENE of Coso Junction, CASat, Jan 30, 1:19 PM PST · 16317 days ago · 0 km deep · 20 km away
36. 2.016km ENE of Coso Junction, CASat, Jan 30, 2:32 PM PST · 16317 days ago · 2 km deep · 19 km away
37. 1.816km ENE of Coso Junction, CASun, Jan 31, 7:57 AM PST · 16316 days ago · 4 km deep · 21 km away
38. 2.612km ENE of Kernville, CAMon, Feb 1, 8:26 PM PST · 16314 days ago · 2 km deep · 60 km away
39. 1.912km ENE of Kernville, CAMon, Feb 1, 8:37 PM PST · 16314 days ago · 5 km deep · 60 km away
40. 1.914km NE of Coso Junction, CAWed, Feb 3, 6:10 AM PST · 16313 days ago · 5 km deep · 16 km away
41. 1.718km NE of Coso Junction, CAWed, Feb 3, 9:02 AM PST · 16313 days ago · 5 km deep · 17 km away
42. 1.914km NE of Coso Junction, CAWed, Feb 3, 9:32 AM PST · 16313 days ago · 5 km deep · 16 km away
43. 2.513km NE of Coso Junction, CAWed, Feb 3, 12:47 PM PST · 16313 days ago · 3 km deep · 17 km away
44. 2.125km WNW of Inyokern, CAThu, Feb 4, 7:55 PM PST · 16311 days ago · 6 km deep · 61 km away
45. 2.118km SE of Bodfish, CAFri, Feb 5, 2:53 PM PST · 16311 days ago · 5 km deep · 95 km away
46. 2.629km NE of Trona, CASun, Feb 7, 1:36 AM PST · 16309 days ago · 5 km deep · 78 km away
47. 2.217km E of Little Lake, CATue, Feb 9, 4:34 AM PST · 16307 days ago · 9 km deep · 40 km away
48. 2.317km SE of Lone Pine, CATue, Feb 9, 11:08 AM PST · 16307 days ago · 4 km deep · 27 km away
49. 2.511km N of Ridgecrest, CAThu, Feb 11, 1:28 PM PST · 16305 days ago · 2 km deep · 63 km away
50. 3.810km NNE of Ridgecrest, CAThu, Feb 11, 2:37 PM PST · 16305 days ago · 11 km deep · 65 km away
51. 2.323km WNW of Inyokern, CASat, Feb 13, 3:36 AM PST · 16303 days ago · 6 km deep · 55 km away
52. 2.622km E of Little Lake, CASat, Feb 13, 8:32 AM PST · 16303 days ago · 0 km deep · 43 km away
53. 2.418km NNE of Inyokern, CAWed, Feb 17, 8:03 PM PST · 16298 days ago · 9 km deep · 53 km away
54. 3.318km NNE of Inyokern, CAWed, Feb 17, 9:06 PM PST · 16298 days ago · 6 km deep · 53 km away
55. 1.76km SSW of Bodfish, CAThu, Feb 18, 8:41 AM PST · 16298 days ago · 5 km deep · 95 km away
56. 2.636km N of Kernville, CAThu, Feb 18, 9:30 AM PST · 16298 days ago · 5 km deep · 47 km away
57. 2.717km NNE of Inyokern, CAThu, Feb 18, 5:24 PM PST · 16297 days ago · 5 km deep · 55 km away
58. 2.610km SSE of Bodfish, CAFri, Feb 19, 5:37 AM PST · 16297 days ago · 3 km deep · 95 km away
59. 2.717km NNE of Inyokern, CASat, Feb 20, 9:07 AM PST · 16296 days ago · 4 km deep · 55 km away
60. 2.517km NNE of Inyokern, CASat, Feb 20, 9:22 AM PST · 16296 days ago · 4 km deep · 54 km away

The first 60 of 71.

Before

1. 2.434km E of Olancha, CAThu, Dec 24, 1:10 AM PST · 16354 days ago · 5 km deep · 27 km away
2. 1.514km ENE of Coso Junction, CAWed, Dec 23, 1:29 AM PST · 16355 days ago · 4 km deep · 19 km away
3. 1.514km ENE of Coso Junction, CAMon, Dec 21, 11:06 PM PST · 16356 days ago · 4 km deep · 19 km away
4. 1.516km ENE of Coso Junction, CAMon, Dec 21, 11:01 PM PST · 16356 days ago · 8 km deep · 20 km away
5. 1.615km ENE of Coso Junction, CAMon, Dec 21, 10:43 PM PST · 16356 days ago · 4 km deep · 19 km away
6. 2.613km ENE of Coso Junction, CAMon, Dec 21, 10:38 PM PST · 16356 days ago · 1 km deep · 19 km away
7. 1.512km NE of Coso Junction, CAMon, Dec 21, 10:29 PM PST · 16356 days ago · -1 km deep · 17 km away
8. 2.212km ENE of Coso Junction, CAMon, Dec 21, 4:07 PM PST · 16357 days ago · -1 km deep · 18 km away
9. 1.513km ENE of Coso Junction, CAMon, Dec 21, 1:22 PM PST · 16357 days ago · 4 km deep · 20 km away
10. 2.511km ENE of Coso Junction, CASun, Dec 20, 3:04 PM PST · 16358 days ago · -1 km deep · 20 km away
11. 1.715km NE of Coso Junction, CASun, Dec 20, 4:35 AM PST · 16358 days ago · 3 km deep · 17 km away
12. 1.514km ENE of Coso Junction, CASat, Dec 19, 2:20 PM PST · 16359 days ago · 3 km deep · 19 km away
13. 2.414km ENE of Coso Junction, CASat, Dec 19, 8:33 AM PST · 16359 days ago · 3 km deep · 20 km away
14. 1.514km ENE of Coso Junction, CASat, Dec 19, 4:43 AM PST · 16359 days ago · 4 km deep · 18 km away
15. 1.613km ENE of Coso Junction, CASat, Dec 19, 4:42 AM PST · 16359 days ago · 3 km deep · 20 km away
16. 1.512km ENE of Coso Junction, CAFri, Dec 18, 11:40 AM PST · 16360 days ago · 1 km deep · 20 km away
17. 1.912km ENE of Coso Junction, CAFri, Dec 18, 11:25 AM PST · 16360 days ago · 0 km deep · 19 km away
18. 1.513km ENE of Coso Junction, CAFri, Dec 18, 10:32 AM PST · 16360 days ago · 3 km deep · 18 km away
19. 2.19km NE of Ridgecrest, CAFri, Dec 18, 8:58 AM PST · 16360 days ago · 1 km deep · 69 km away
20. 2.012km ENE of Coso Junction, CAThu, Dec 17, 7:09 PM PST · 16360 days ago · 0 km deep · 19 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci103863. Read Sat, Oct 3, 2026, 11:42 AM UTC.