M2.5 earthquake 14km SSW of Olancha, CA

Magnitude

2.5 (ml), micro

Local time

Mon, Sep 26, 1977, 2:48 AM PDT

UTC

1977-09-26 09:48:04 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

36.168° N, 118.079° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.17

Depth from

Operator assigned

Station coverage gap

131°

Stations used

6

• Lone Pine, CaliforniaPopulation 2,035. Forecast49 kmS
• Ridgecrest, CaliforniaPopulation 28,780. Forecast71 kmNNW
• Visalia, CaliforniaPopulation 130,104. Forecast110 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast236 kmN

After

1. 2.614km SSW of Olancha, CAMon, Sep 26, 5:07 AM PDT · 17902 days ago · 6 km deep · 1 km away
2. 3.115km SSW of Olancha, CAMon, Sep 26, 2:54 PM PDT · 17901 days ago · 5 km deep · 2 km away
3. 2.310km S of Olancha, CAMon, Sep 26, 5:20 PM PDT · 17901 days ago · 6 km deep · 8 km away
4. 2.314km SSW of Olancha, CAMon, Sep 26, 9:22 PM PDT · 17901 days ago · 6 km deep · 1 km away
5. 1.77km S of Ridgecrest, CATue, Sep 27, 12:04 PM PDT · 17900 days ago · 2 km deep · 77 km away
6. 1.78km S of Ridgecrest, CATue, Sep 27, 6:49 PM PDT · 17900 days ago · 2 km deep · 78 km away
7. 1.78km S of Ridgecrest, CAWed, Sep 28, 3:18 AM PDT · 17900 days ago · 2 km deep · 78 km away
8. 2.313km E of Coso Junction, CAWed, Sep 28, 1:59 PM PDT · 17899 days ago · 2 km deep · 29 km away
9. 1.87km S of Ridgecrest, CAWed, Sep 28, 6:23 PM PDT · 17899 days ago · 2 km deep · 76 km away
10. 2.06km S of Ridgecrest, CAWed, Sep 28, 10:58 PM PDT · 17899 days ago · 2 km deep · 76 km away
11. 1.78km S of Ridgecrest, CAThu, Sep 29, 2:25 AM PDT · 17899 days ago · 2 km deep · 78 km away
12. 1.813km SSE of Ridgecrest, CAThu, Sep 29, 11:45 AM PDT · 17898 days ago · 2 km deep · 84 km away
13. 1.714km WNW of Johannesburg, CAThu, Sep 29, 2:30 PM PDT · 17898 days ago · 2 km deep · 87 km away
14. 1.64km SE of Trona, CAMon, Oct 3, 3:44 AM PDT · 17895 days ago · 2 km deep · 81 km away
15. 2.217km WNW of Searles Valley, CASat, Oct 8, 9:33 AM PDT · 17889 days ago · 9 km deep · 60 km away
16. 1.919km W of Searles Valley, CASat, Oct 8, 10:43 PM PDT · 17889 days ago · 5 km deep · 59 km away
17. 1.813km E of Coso Junction, CAMon, Oct 10, 4:23 PM PDT · 17887 days ago · 6 km deep · 29 km away
18. 2.411km E of Coso Junction, CAMon, Oct 10, 5:03 PM PDT · 17887 days ago · 0 km deep · 27 km away
19. 2.516km W of Searles Valley, CAWed, Oct 12, 9:42 AM PDT · 17885 days ago · 5 km deep · 65 km away
20. 1.813km E of Coso Junction, CAFri, Oct 14, 4:21 AM PDT · 17884 days ago · 6 km deep · 28 km away
21. 1.89km ESE of Coso Junction, CASun, Oct 16, 2:46 PM PDT · 17881 days ago · 2 km deep · 26 km away
22. 2.323km S of Bodfish, CASun, Oct 16, 7:31 PM PDT · 17881 days ago · 6 km deep · 95 km away
23. 2.214km SE of Olancha, CATue, Oct 25, 9:17 PM PDT · 17872 days ago · 5 km deep · 18 km away
24. 2.314km SE of Olancha, CATue, Oct 25, 11:05 PM PDT · 17872 days ago · 3 km deep · 18 km away
25. 1.825km N of California City, CAThu, Oct 27, 11:49 AM PDT · 17870 days ago · 6 km deep · 92 km away
26. 1.826km NNE of California City, CAThu, Oct 27, 4:38 PM PDT · 17870 days ago · 6 km deep · 92 km away
27. 2.024km NNE of California City, CAThu, Oct 27, 7:16 PM PDT · 17870 days ago · 6 km deep · 93 km away
28. 2.025km NNE of California City, CAThu, Oct 27, 11:30 PM PDT · 17870 days ago · 6 km deep · 93 km away
29. 2.125km NNE of California City, CAFri, Oct 28, 9:57 AM PDT · 17869 days ago · 6 km deep · 93 km away
30. 1.927km W of Johannesburg, CAFri, Oct 28, 10:38 AM PDT · 17869 days ago · 6 km deep · 90 km away
31. 2.525km NNE of California City, CAFri, Oct 28, 12:24 PM PDT · 17869 days ago · 6 km deep · 93 km away
32. 2.126km NNE of California City, CAFri, Oct 28, 1:13 PM PDT · 17869 days ago · 6 km deep · 91 km away
33. 2.126km N of California City, CAFri, Oct 28, 2:20 PM PDT · 17869 days ago · 6 km deep · 91 km away
34. 3.124km NNE of California City, CAFri, Oct 28, 4:44 PM PDT · 17869 days ago · 6 km deep · 93 km away
35. 2.524km NNE of California City, CAFri, Oct 28, 5:05 PM PDT · 17869 days ago · 6 km deep · 94 km away
36. 2.425km NNE of California City, CAFri, Oct 28, 8:03 PM PDT · 17869 days ago · 6 km deep · 93 km away
37. 2.926km N of California City, CASat, Oct 29, 3:49 PM PDT · 17868 days ago · 6 km deep · 92 km away
38. 2.126km N of California City, CASat, Oct 29, 5:05 PM PDT · 17868 days ago · 6 km deep · 91 km away
39. 2.026km N of California City, CASat, Oct 29, 7:36 PM PDT · 17868 days ago · 6 km deep · 92 km away
40. 2.326km NNE of California City, CASat, Oct 29, 10:22 PM PDT · 17868 days ago · 6 km deep · 91 km away
41. 1.925km NNE of California City, CASun, Oct 30, 12:14 AM PDT · 17868 days ago · 6 km deep · 93 km away
42. 2.025km N of California City, CASun, Oct 30, 2:29 AM PST · 17868 days ago · 6 km deep · 92 km away
43. 2.325km NNE of California City, CASun, Oct 30, 2:30 AM PST · 17868 days ago · 6 km deep · 93 km away
44. 2.125km N of California City, CASun, Oct 30, 7:54 AM PST · 17867 days ago · 6 km deep · 92 km away
45. 2.626km NNE of California City, CASun, Oct 30, 10:41 AM PST · 17867 days ago · 6 km deep · 92 km away
46. 2.112km NE of Little Lake, CATue, Nov 1, 5:40 PM PST · 17865 days ago · 0 km deep · 31 km away
47. 2.120km SE of Bodfish, CAWed, Nov 2, 4:51 AM PST · 17865 days ago · 6 km deep · 82 km away
48. 2.325km NNE of California City, CAFri, Nov 4, 5:09 PM PST · 17862 days ago · 6 km deep · 93 km away
49. 2.425km NNE of California City, CAFri, Nov 4, 5:25 PM PST · 17862 days ago · 6 km deep · 93 km away
50. 1.926km N of California City, CAFri, Nov 4, 5:45 PM PST · 17862 days ago · 6 km deep · 91 km away
51. 2.26km SSW of Bodfish, CATue, Nov 8, 9:00 PM PST · 17858 days ago · 4 km deep · 81 km away
52. 3.510km NNE of Coso Junction, CAWed, Nov 9, 6:35 PM PST · 17857 days ago · 4 km deep · 14 km away
53. 2.315km ENE of Coso Junction, CAWed, Nov 9, 8:53 PM PST · 17857 days ago · 5 km deep · 28 km away
54. 2.320km WNW of Johannesburg, CAThu, Nov 10, 2:37 AM PST · 17857 days ago · 6 km deep · 86 km away
55. 2.016km ENE of Coso Junction, CAThu, Nov 10, 5:48 AM PST · 17857 days ago · 6 km deep · 28 km away
56. 1.815km ENE of Coso Junction, CAThu, Nov 10, 9:19 PM PST · 17856 days ago · 6 km deep · 27 km away
57. 2.510km NNE of Coso Junction, CAThu, Nov 10, 10:27 PM PST · 17856 days ago · 6 km deep · 14 km away
58. 2.713km ENE of Coso Junction, CAFri, Nov 11, 5:41 PM PST · 17855 days ago · 6 km deep · 26 km away
59. 2.57km ESE of Wofford Heights, CAFri, Nov 11, 10:09 PM PST · 17855 days ago · 7 km deep · 61 km away
60. 2.025km N of California City, CASat, Nov 12, 9:18 AM PST · 17854 days ago · 3 km deep · 93 km away

The first 60 of 72.

Before

1. 2.212km E of Coso Junction, CASun, Sep 18, 2:24 PM PDT · 17909 days ago · 6 km deep · 28 km away
2. 2.815km E of Ridgecrest, CAMon, Sep 12, 6:59 AM PDT · 17916 days ago · 0 km deep · 78 km away
3. 2.336km ENE of Lone Pine, CAWed, Sep 7, 4:20 PM PDT · 17920 days ago · 6 km deep · 68 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3334921. Read Thu, Oct 1, 2026, 2:08 AM UTC.