M1.9 earthquake 8km NE of Ridgecrest, CA

Magnitude

1.9 (mh), micro

Local time

Sat, Apr 4, 1981, 1:14 AM PST

UTC

1981-04-04 09:14:21 UTC

Depth

-0.1 km (-0.1 mi), shallow

Epicenter

35.669° N, 117.603° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 1.3 km in depth

Magnitude uncertainty

±0.25

Depth from

From location

Station coverage gap

209°, poorly surrounded by stations

Stations used

11

• Ridgecrest, CaliforniaPopulation 28,780. Forecast8 kmNE
• Lancaster, CaliforniaPopulation 161,103. Forecast118 kmNNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast189 kmNNE

After

1. 1.624km ESE of Little Lake, CASun, Apr 5, 3:28 AM PST · 16615 days ago · 5 km deep · 21 km away
2. 2.58km ESE of Coso Junction, CASun, Apr 5, 8:34 AM PST · 16614 days ago · 2 km deep · 45 km away
3. 2.025km SSW of Bodfish, CAMon, Apr 6, 5:42 PM PST · 16613 days ago · 0 km deep · 92 km away
4. 1.58km NW of Kernville, CATue, Apr 7, 3:32 AM PST · 16613 days ago · 5 km deep · 82 km away
5. 1.725km WNW of Inyokern, CAWed, Apr 8, 6:35 AM PST · 16611 days ago · 6 km deep · 43 km away
6. 1.914km NE of Coso Junction, CAWed, Apr 8, 7:08 PM PST · 16611 days ago · 2 km deep · 54 km away
7. 1.940km NE of Trona, CAThu, Apr 9, 1:30 PM PST · 16610 days ago · 5 km deep · 63 km away
8. 1.830km E of Coso Junction, CAThu, Apr 9, 10:23 PM PST · 16610 days ago · 2 km deep · 45 km away
9. 1.925km NNE of California City, CASat, Apr 11, 12:24 PM PST · 16608 days ago · 5 km deep · 46 km away
10. 3.125km N of Tehachapi, CASat, Apr 11, 1:47 PM PST · 16608 days ago · 0 km deep · 87 km away
11. 1.725km SSW of Bodfish, CAMon, Apr 13, 11:46 PM PST · 16606 days ago · 6 km deep · 94 km away
12. 2.012km ENE of Little Lake, CATue, Apr 14, 2:36 PM PST · 16605 days ago · 5 km deep · 39 km away
13. 2.525km WNW of Inyokern, CAWed, Apr 15, 12:46 AM PST · 16605 days ago · 0 km deep · 43 km away
14. 2.325km WNW of Inyokern, CAWed, Apr 15, 6:11 AM PST · 16605 days ago · 7 km deep · 43 km away
15. 2.216km ENE of Little Lake, CAThu, Apr 16, 5:16 AM PST · 16604 days ago · 2 km deep · 40 km away
16. 2.122km NNW of Tehachapi, CAThu, Apr 16, 2:26 PM PST · 16603 days ago · 5 km deep · 90 km away
17. 2.923km NNW of Tehachapi, CAFri, Apr 17, 11:31 AM PST · 16602 days ago · -1 km deep · 96 km away
18. 1.921km NNW of Tehachapi, CASat, Apr 18, 5:03 AM PST · 16602 days ago · 4 km deep · 92 km away
19. 2.215km ENE of Little Lake, CASat, Apr 18, 11:51 AM PST · 16601 days ago · 8 km deep · 39 km away
20. 3.917km SE of Little Lake, CASun, Apr 19, 12:46 AM PST · 16601 days ago · 5 km deep · 24 km away
21. 3.416km SE of Little Lake, CASun, Apr 19, 12:54 AM PST · 16601 days ago · 5 km deep · 24 km away
22. 4.118km SE of Little Lake, CASun, Apr 19, 1:02 AM PST · 16601 days ago · 5 km deep · 22 km away
23. 4.716km SSE of Little Lake, CASun, Apr 19, 1:02 AM PST · 16601 days ago · 5 km deep · 25 km away
24. 4.018km SE of Little Lake, CASun, Apr 19, 1:19 AM PST · 16601 days ago · 5 km deep · 23 km away
25. 2.316km SE of Little Lake, CASun, Apr 19, 2:28 AM PST · 16601 days ago · 5 km deep · 25 km away
26. 2.417km SE of Little Lake, CASun, Apr 19, 11:25 AM PST · 16600 days ago · 1 km deep · 24 km away
27. 2.317km SE of Little Lake, CASun, Apr 19, 12:24 PM PST · 16600 days ago · -1 km deep · 23 km away
28. 1.818km SE of Little Lake, CASun, Apr 19, 4:31 PM PST · 16600 days ago · 2 km deep · 23 km away
29. 1.719km NNE of Inyokern, CASun, Apr 19, 6:50 PM PST · 16600 days ago · 1 km deep · 22 km away
30. 1.616km SE of Little Lake, CASun, Apr 19, 7:10 PM PST · 16600 days ago · -1 km deep · 24 km away
31. 1.817km SE of Little Lake, CASun, Apr 19, 7:21 PM PST · 16600 days ago · 1 km deep · 24 km away
32. 1.716km SE of Little Lake, CAMon, Apr 20, 2:08 AM PST · 16600 days ago · -1 km deep · 25 km away
33. 2.517km SE of Little Lake, CAMon, Apr 20, 8:45 AM PST · 16599 days ago · 1 km deep · 24 km away
34. 1.916km SE of Little Lake, CAMon, Apr 20, 5:47 PM PST · 16599 days ago · 4 km deep · 24 km away
35. 1.622km NNW of Tehachapi, CAMon, Apr 20, 9:34 PM PST · 16599 days ago · 0 km deep · 96 km away
36. 1.616km ENE of Little Lake, CATue, Apr 21, 8:44 AM PST · 16598 days ago · 2 km deep · 38 km away
37. 2.115km SE of Little Lake, CATue, Apr 21, 2:44 PM PST · 16598 days ago · -1 km deep · 26 km away
38. 2.712km N of Coso Junction, CATue, Apr 21, 5:33 PM PST · 16598 days ago · -1 km deep · 62 km away
39. 2.116km SE of Little Lake, CAWed, Apr 22, 3:21 PM PST · 16597 days ago · -1 km deep · 24 km away
40. 3.414km SE of Little Lake, CAWed, Apr 22, 7:35 PM PST · 16597 days ago · -1 km deep · 27 km away
41. 1.815km SE of Little Lake, CAWed, Apr 22, 9:19 PM PST · 16597 days ago · -1 km deep · 25 km away
42. 2.115km SE of Little Lake, CAThu, Apr 23, 2:17 AM PST · 16597 days ago · 0 km deep · 26 km away
43. 2.08km SE of Lake Isabella, CAThu, Apr 23, 6:52 AM PST · 16596 days ago · 4 km deep · 73 km away
44. 1.84km ESE of Bodfish, CAThu, Apr 23, 6:53 AM PST · 16596 days ago · 4 km deep · 77 km away
45. 1.815km SE of Little Lake, CAThu, Apr 23, 4:14 PM PST · 16596 days ago · -1 km deep · 25 km away
46. 1.716km SE of Little Lake, CAThu, Apr 23, 5:24 PM PST · 16596 days ago · 1 km deep · 24 km away
47. 2.315km SE of Little Lake, CAThu, Apr 23, 6:06 PM PST · 16596 days ago · -1 km deep · 25 km away
48. 1.818km NNE of Inyokern, CAThu, Apr 23, 7:32 PM PST · 16596 days ago · 1 km deep · 21 km away
49. 1.922km WNW of Inyokern, CAFri, Apr 24, 2:41 PM PST · 16595 days ago · 9 km deep · 40 km away
50. 2.216km ENE of Little Lake, CAFri, Apr 24, 11:24 PM PST · 16595 days ago · 2 km deep · 39 km away
51. 2.618km SE of Little Lake, CASat, Apr 25, 2:58 AM PST · 16595 days ago · 0 km deep · 22 km away
52. 1.619km NNE of Inyokern, CASat, Apr 25, 6:59 AM PST · 16594 days ago · 5 km deep · 21 km away
53. 2.421km NNW of Tehachapi, CASat, Apr 25, 7:21 AM PST · 16594 days ago · 4 km deep · 90 km away
54. 1.617km SE of Little Lake, CASat, Apr 25, 12:09 PM PST · 16594 days ago · -1 km deep · 24 km away
55. 2.112km WSW of Searles Valley, CASat, Apr 25, 1:00 PM PST · 16594 days ago · 5 km deep · 9 km away
56. 1.615km ENE of Little Lake, CASat, Apr 25, 8:51 PM PST · 16594 days ago · 0 km deep · 38 km away
57. 1.718km SE of Little Lake, CASun, Apr 26, 2:37 PM PDT · 16593 days ago · -1 km deep · 23 km away
58. 2.715km E of Lake Isabella, CATue, Apr 28, 2:54 PM PDT · 16591 days ago · 2 km deep · 64 km away
59. 1.614km E of Lake Isabella, CATue, Apr 28, 3:20 PM PDT · 16591 days ago · 4 km deep · 65 km away
60. 1.67km ENE of Coso Junction, CATue, Apr 28, 8:10 PM PDT · 16591 days ago · 1 km deep · 50 km away

The first 60 of 99.

Before

1. 1.526km NE of Arvin, CAFri, Apr 3, 10:39 AM PST · 16616 days ago · 5 km deep · 98 km away
2. 1.912km NE of Ridgecrest, CAFri, Apr 3, 6:33 AM PST · 16616 days ago · 5 km deep · 4 km away
3. 1.67km WNW of Little Lake, CAThu, Apr 2, 5:42 PM PST · 16617 days ago · 5 km deep · 47 km away
4. 2.62km ENE of Kernville, CAWed, Apr 1, 9:32 PM PST · 16618 days ago · 5 km deep · 73 km away
5. 2.132km NNE of Trona, CAThu, Mar 19, 8:28 AM PST · 16631 days ago · 5 km deep · 51 km away
6. 2.010km NE of Ridgecrest, CAThu, Mar 19, 7:28 AM PST · 16631 days ago · 4 km deep · 2 km away
7. 2.07km ENE of Ridgecrest, CAMon, Mar 16, 9:54 AM PST · 16634 days ago · 5 km deep · 2 km away
8. 2.611km NE of Ridgecrest, CASun, Mar 15, 7:28 PM PST · 16635 days ago · 6 km deep · 2 km away
9. 2.49km NE of Ridgecrest, CASun, Mar 15, 6:12 PM PST · 16635 days ago · -1 km deep · 0 km away
10. 2.16km ESE of Coso Junction, CAThu, Mar 12, 6:36 PM PST · 16638 days ago · 2 km deep · 47 km away
11. 2.38km ESE of Coso Junction, CAThu, Mar 12, 5:36 PM PST · 16638 days ago · 2 km deep · 44 km away
12. 1.921km E of Lake Isabella, CAWed, Mar 11, 11:29 AM PST · 16639 days ago · 5 km deep · 58 km away
13. 1.711km SSW of Bodfish, CATue, Mar 10, 6:36 AM PST · 16640 days ago · 0 km deep · 85 km away
14. 1.716km W of Searles Valley, CATue, Mar 10, 5:05 AM PST · 16641 days ago · 5 km deep · 13 km away
15. 1.814km ESE of Little Lake, CAMon, Mar 9, 4:41 PM PST · 16641 days ago · 2 km deep · 29 km away
16. 1.87km ESE of Coso Junction, CASun, Mar 8, 8:08 PM PST · 16642 days ago · 2 km deep · 46 km away
17. 1.67km ESE of Coso Junction, CASun, Mar 8, 6:40 PM PST · 16642 days ago · 1 km deep · 47 km away
18. 1.621km WNW of Inyokern, CASat, Mar 7, 2:54 PM PST · 16643 days ago · 5 km deep · 38 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci515949. Read Thu, Oct 1, 2026, 1:42 AM UTC.