M1.8 earthquake 20km NNW of Tehachapi, CA

Magnitude

1.8 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Mar 21, 1991, 1:21 PM PST

UTC

1991-03-21 21:21:31 UTC

Depth

6.9 km (4.3 mi), shallow

Epicenter

35.307° N, 118.519° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

70°

Stations used

0

• Golden Hills, CaliforniaPopulation 8,656. Forecast18 kmN
• Tehachapi, CaliforniaPopulation 13,021. Forecast20 kmNNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast46 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast142 kmN

After

1. 3.110km E of Shafter, CAThu, Mar 21, 4:22 PM PST · 12981 days ago · 5 km deep · 62 km away
2. 1.918km SSE of Arvin, CAThu, Mar 21, 11:18 PM PST · 12980 days ago · 10 km deep · 32 km away
3. 1.527km WSW of Olancha, CAFri, Mar 22, 4:23 PM PST · 12980 days ago · 4 km deep · 98 km away
4. 1.919km SSE of Arvin, CASat, Mar 23, 8:07 AM PST · 12979 days ago · 9 km deep · 32 km away
5. 2.013km WSW of Maricopa, CASat, Mar 23, 8:30 AM PST · 12979 days ago · 12 km deep · 98 km away
6. 1.616km NNE of Inyokern, CASat, Mar 23, 1:05 PM PST · 12979 days ago · 6 km deep · 89 km away
7. 1.515km NW of Neenach, CASun, Mar 24, 11:50 AM PST · 12978 days ago · 10 km deep · 50 km away
8. 2.03km SE of Kernville, CASun, Mar 24, 9:40 PM PST · 12977 days ago · 11 km deep · 49 km away
9. 2.75km ESE of Coso Junction, CAMon, Mar 25, 12:54 AM PST · 12977 days ago · 1 km deep · 99 km away
10. 1.519km S of Bodfish, CAMon, Mar 25, 2:26 AM PST · 12977 days ago · 5 km deep · 13 km away
11. 1.95km ESE of Coso Junction, CAMon, Mar 25, 12:14 PM PST · 12977 days ago · 1 km deep · 99 km away
12. 2.02km ESE of Kernville, CATue, Mar 26, 2:28 AM PST · 12976 days ago · 8 km deep · 50 km away
13. 1.917km NW of Tehachapi, CATue, Mar 26, 7:57 AM PST · 12976 days ago · 6 km deep · 8 km away
14. 1.717km SE of Bodfish, CATue, Mar 26, 10:14 AM PST · 12976 days ago · 14 km deep · 26 km away
15. 1.721km NNW of Tehachapi, CAWed, Mar 27, 12:12 PM PST · 12975 days ago · 4 km deep · 3 km away
16. 2.010km E of Santa Clarita, CAThu, Mar 28, 3:39 AM PST · 12974 days ago · 0 km deep · 100 km away
17. 1.81km WNW of Frazier Park, CAThu, Mar 28, 6:36 AM PST · 12974 days ago · 13 km deep · 67 km away
18. 1.626km W of Inyokern, CAThu, Mar 28, 7:40 AM PST · 12974 days ago · 4 km deep · 56 km away
19. 1.75km NE of Ridgecrest, CAThu, Mar 28, 11:40 PM PST · 12973 days ago · 3 km deep · 89 km away
20. 2.819km S of Maricopa, CAFri, Mar 29, 2:52 AM PST · 12973 days ago · 9 km deep · 92 km away
21. 2.019km S of Maricopa, CAFri, Mar 29, 3:18 AM PST · 12973 days ago · 11 km deep · 91 km away
22. 1.919km SE of Bodfish, CAFri, Mar 29, 2:27 PM PST · 12973 days ago · 8 km deep · 23 km away
23. 1.919km SE of Bodfish, CASat, Mar 30, 3:59 AM PST · 12972 days ago · 8 km deep · 23 km away
24. 2.018km E of Arvin, CASat, Mar 30, 8:35 AM PST · 12972 days ago · 4 km deep · 13 km away
25. 1.712km N of Grapevine, CASat, Mar 30, 1:40 PM PST · 12972 days ago · 14 km deep · 47 km away
26. 1.73km SSE of Lamont, CASat, Mar 30, 10:41 PM PST · 12971 days ago · 21 km deep · 36 km away
27. 2.314km S of Bodfish, CATue, Apr 2, 12:06 AM PST · 12969 days ago · 7 km deep · 18 km away
28. 1.612km ENE of Little Lake, CATue, Apr 2, 5:40 AM PST · 12969 days ago · 4 km deep · 99 km away
29. 1.89km NNE of Pine Mountain Club, CATue, Apr 2, 5:05 PM PST · 12969 days ago · 19 km deep · 69 km away
30. 2.410km ENE of Taft, CATue, Apr 2, 7:24 PM PST · 12969 days ago · 20 km deep · 78 km away
31. 1.814km WSW of Lake Hughes, CAWed, Apr 3, 1:11 AM PST · 12968 days ago · 9 km deep · 75 km away
32. 3.620km SE of Bodfish, CAWed, Apr 3, 9:29 AM PST · 12968 days ago · 8 km deep · 25 km away
33. 1.920km SE of Bodfish, CAWed, Apr 3, 9:41 AM PST · 12968 days ago · 9 km deep · 24 km away
34. 2.720km SE of Bodfish, CAWed, Apr 3, 10:26 AM PST · 12968 days ago · 9 km deep · 25 km away
35. 2.220km SE of Bodfish, CAWed, Apr 3, 12:59 PM PST · 12968 days ago · 9 km deep · 25 km away
36. 1.820km SE of Bodfish, CAThu, Apr 4, 1:51 AM PST · 12967 days ago · 9 km deep · 25 km away
37. 1.89km NNE of Piru, CAThu, Apr 4, 11:56 PM PST · 12966 days ago · 14 km deep · 93 km away
38. 1.823km W of Inyokern, CASun, Apr 7, 8:47 AM PDT · 12964 days ago · 13 km deep · 54 km away
39. 1.627km W of Inyokern, CAMon, Apr 8, 4:31 AM PDT · 12963 days ago · 10 km deep · 55 km away
40. 2.227km W of Inyokern, CAMon, Apr 8, 4:37 AM PDT · 12963 days ago · 11 km deep · 56 km away
41. 1.810km NW of Piru, CAMon, Apr 8, 10:48 AM PDT · 12963 days ago · 10 km deep · 97 km away
42. 1.610km NW of Piru, CAMon, Apr 8, 10:53 AM PDT · 12963 days ago · 9 km deep · 97 km away
43. 2.18km NNE of Little Lake, CAMon, Apr 8, 3:43 PM PDT · 12963 days ago · 2 km deep · 97 km away
44. 2.320km NNW of Tehachapi, CATue, Apr 9, 9:46 AM PDT · 12962 days ago · 5 km deep · 4 km away
45. 2.420km SE of Bodfish, CATue, Apr 9, 9:43 PM PDT · 12962 days ago · 8 km deep · 25 km away
46. 1.619km NNW of Tehachapi, CAThu, Apr 11, 6:09 PM PDT · 12960 days ago · 5 km deep · 4 km away
47. 2.36km ESE of Coso Junction, CAFri, Apr 12, 9:35 AM PDT · 12959 days ago · 0 km deep · 98 km away
48. 3.715km NW of Fillmore, CAFri, Apr 12, 12:45 PM PDT · 12959 days ago · 3 km deep · 100 km away
49. 1.615km NW of Fillmore, CAFri, Apr 12, 1:11 PM PDT · 12959 days ago · 3 km deep · 100 km away
50. 1.816km NW of Fillmore, CAFri, Apr 12, 1:59 PM PDT · 12959 days ago · 3 km deep · 100 km away
51. 1.616km NW of Fillmore, CAFri, Apr 12, 4:01 PM PDT · 12959 days ago · 3 km deep · 100 km away
52. 2.26km ESE of Coso Junction, CASat, Apr 13, 5:57 AM PDT · 12958 days ago · 1 km deep · 98 km away
53. 2.16km ESE of Coso Junction, CASat, Apr 13, 9:12 AM PDT · 12958 days ago · 1 km deep · 98 km away
54. 2.110km N of Mojave, CASun, Apr 14, 1:43 AM PDT · 12957 days ago · 9 km deep · 35 km away
55. 1.74km ENE of Lake Isabella, CASun, Apr 14, 9:32 PM PDT · 12957 days ago · 4 km deep · 37 km away
56. 2.614km NNE of Taft, CAMon, Apr 15, 10:10 AM PDT · 12956 days ago · 5 km deep · 80 km away
57. 2.85km SE of Coso Junction, CAMon, Apr 15, 12:43 PM PDT · 12956 days ago · 3 km deep · 96 km away
58. 1.920km SE of Bodfish, CATue, Apr 16, 10:23 AM PDT · 12955 days ago · 9 km deep · 25 km away
59. 2.020km SE of Bodfish, CATue, Apr 16, 10:37 AM PDT · 12955 days ago · 9 km deep · 24 km away
60. 1.720km SE of Bodfish, CATue, Apr 16, 6:10 PM PDT · 12955 days ago · 8 km deep · 25 km away

The first 60 of 111.

Before

1. 2.410km NNE of Delano, CAWed, Mar 20, 2:37 PM PST · 12982 days ago · 5 km deep · 87 km away
2. 2.620km SE of Bodfish, CATue, Mar 19, 1:34 PM PST · 12983 days ago · 8 km deep · 25 km away
3. 1.63km ESE of Castaic, CATue, Mar 19, 3:54 AM PST · 12983 days ago · 7 km deep · 92 km away
4. 1.78km ESE of Coso Junction, CAMon, Mar 18, 11:00 AM PST · 12984 days ago · 0 km deep · 100 km away
5. 1.623km W of Inyokern, CASun, Mar 17, 11:34 PM PST · 12984 days ago · 13 km deep · 54 km away
6. 2.017km SSE of Arvin, CASun, Mar 17, 6:54 PM PST · 12985 days ago · 8 km deep · 34 km away
7. 1.812km NW of Grapevine, CASun, Mar 17, 12:03 AM PST · 12985 days ago · 15 km deep · 55 km away
8. 1.914km N of Ridgecrest, CASat, Mar 16, 7:31 PM PST · 12986 days ago · 4 km deep · 90 km away
9. 2.618km SSW of Little Lake, CASat, Mar 16, 8:52 AM PST · 12986 days ago · 4 km deep · 73 km away
10. 2.16km ESE of Lake Isabella, CASat, Mar 16, 8:28 AM PST · 12986 days ago · 5 km deep · 35 km away
11. 2.424km NE of Arvin, CAFri, Mar 15, 8:39 PM PST · 12987 days ago · 2 km deep · 12 km away
12. 2.38km E of Pine Mountain Club, CAFri, Mar 15, 5:35 PM PST · 12987 days ago · 11 km deep · 71 km away
13. 1.96km WSW of Frazier Park, CAThu, Mar 14, 9:41 PM PST · 12987 days ago · 9 km deep · 72 km away
14. 1.58km ESE of Lake Isabella, CAThu, Mar 14, 12:46 PM PST · 12988 days ago · 3 km deep · 35 km away
15. 1.78km ESE of Coso Junction, CAThu, Mar 14, 5:40 AM PST · 12988 days ago · 1 km deep · 97 km away
16. 1.619km ESE of Bodfish, CAWed, Mar 13, 2:46 PM PST · 12989 days ago · 10 km deep · 28 km away
17. 1.67km SE of Wofford Heights, CAWed, Mar 13, 7:15 AM PST · 12989 days ago · 9 km deep · 41 km away
18. 1.87km SE of Wofford Heights, CAWed, Mar 13, 6:31 AM PST · 12989 days ago · 9 km deep · 41 km away
19. 1.64km SSE of Kernville, CATue, Mar 12, 10:59 PM PST · 12989 days ago · 5 km deep · 47 km away
20. 1.54km SE of Kernville, CATue, Mar 12, 3:51 PM PST · 12990 days ago · 4 km deep · 48 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci2014986. Read Sun, Oct 4, 2026, 4:42 PM UTC.