M1.9 earthquake 20km NW of Tehachapi, CA

Magnitude

1.9 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, Apr 20, 1991, 11:38 AM PDT

UTC

1991-04-20 18:38:36 UTC

Depth

3.7 km (2.3 mi), shallow

Epicenter

35.275° N, 118.584° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

70°

Stations used

0

• Bear Valley Springs, CaliforniaPopulation 5,172. Forecast14 kmNNE
• Tehachapi, CaliforniaPopulation 13,021. Forecast20 kmNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast41 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast140 kmNNW

After

1. 1.616km NNW of California City, CASat, Apr 20, 4:04 PM PDT · 12951 days ago · 11 km deep · 49 km away
2. 1.88km ESE of Piru, CAMon, Apr 22, 7:31 PM PDT · 12949 days ago · 4 km deep · 99 km away
3. 1.720km SE of Bodfish, CATue, Apr 23, 4:04 AM PDT · 12948 days ago · 9 km deep · 31 km away
4. 2.822km ESE of Bodfish, CATue, Apr 23, 9:15 AM PDT · 12948 days ago · 9 km deep · 36 km away
5. 1.76km ESE of Santa Clarita, CATue, Apr 23, 11:49 AM PDT · 12948 days ago · 8 km deep · 99 km away
6. 2.022km ESE of Bodfish, CATue, Apr 23, 2:55 PM PDT · 12948 days ago · 7 km deep · 36 km away
7. 2.523km SSW of Bakersfield, CAWed, Apr 24, 12:51 AM PDT · 12948 days ago · 27 km deep · 53 km away
8. 1.920km SE of Bodfish, CAThu, Apr 25, 7:41 AM PDT · 12946 days ago · 8 km deep · 31 km away
9. 2.420km SE of Bodfish, CAThu, Apr 25, 7:53 AM PDT · 12946 days ago · 8 km deep · 32 km away
10. 1.63km NNW of Kernville, CATue, Apr 30, 4:15 AM PDT · 12941 days ago · 13 km deep · 58 km away
11. 1.68km W of Kernville, CATue, Apr 30, 3:53 PM PDT · 12941 days ago · 7 km deep · 55 km away
12. 1.619km ENE of Arvin, CATue, Apr 30, 10:45 PM PDT · 12941 days ago · 5 km deep · 4 km away
13. 1.523km NE of Arvin, CAWed, May 1, 1:29 AM PDT · 12941 days ago · 2 km deep · 13 km away
14. 1.59km ESE of Lake Isabella, CAWed, May 1, 5:30 AM PDT · 12940 days ago · 3 km deep · 40 km away
15. 2.516km ESE of Porterville, CAWed, May 1, 5:17 PM PDT · 12940 days ago · 4 km deep · 84 km away
16. 2.09km ESE of Lake Isabella, CAThu, May 2, 1:10 AM PDT · 12940 days ago · 8 km deep · 40 km away
17. 1.519km NE of Ojai, CAThu, May 2, 6:45 PM PDT · 12939 days ago · 3 km deep · 92 km away
18. 2.65km WNW of Bakersfield, CAFri, May 3, 5:32 AM PDT · 12938 days ago · 19 km deep · 47 km away
19. 1.711km SW of Valencia, CASat, May 4, 6:40 AM PDT · 12937 days ago · 3 km deep · 100 km away
20. 2.020km SE of Bodfish, CASat, May 4, 10:54 AM PDT · 12937 days ago · 8 km deep · 31 km away
21. 2.121km WNW of Inyokern, CASat, May 4, 6:33 PM PDT · 12937 days ago · 10 km deep · 73 km away
22. 1.711km NW of Taft, CASun, May 5, 1:58 AM PDT · 12936 days ago · 15 km deep · 87 km away
23. 1.66km N of Grapevine, CASun, May 5, 3:02 PM PDT · 12936 days ago · 6 km deep · 45 km away
24. 1.813km SW of Lamont, CASun, May 5, 4:02 PM PDT · 12936 days ago · 18 km deep · 40 km away
25. 1.52km SW of Little Lake, CATue, May 7, 6:55 AM PDT · 12934 days ago · 4 km deep · 94 km away
26. 1.621km SW of Tehachapi, CATue, May 7, 8:41 PM PDT · 12934 days ago · 3 km deep · 32 km away
27. 1.613km W of Tehachapi, CAWed, May 8, 12:28 PM PDT · 12933 days ago · 11 km deep · 13 km away
28. 1.617km SE of Arvin, CASat, May 11, 9:02 PM PDT · 12930 days ago · 9 km deep · 22 km away
29. 1.611km SSW of Arvin, CASun, May 12, 11:53 PM PDT · 12929 days ago · 10 km deep · 33 km away
30. 1.519km WNW of Grapevine, CAMon, May 13, 8:10 PM PDT · 12928 days ago · 9 km deep · 56 km away
31. 1.623km S of Bodfish, CATue, May 14, 7:12 PM PDT · 12927 days ago · 9 km deep · 15 km away
32. 2.411km NNW of Grapevine, CAThu, May 16, 4:54 AM PDT · 12925 days ago · 5 km deep · 46 km away
33. 1.526km W of Inyokern, CASat, May 18, 12:55 AM PDT · 12924 days ago · 11 km deep · 64 km away
34. 1.917km NW of Tehachapi, CASat, May 18, 6:51 PM PDT · 12923 days ago · 5 km deep · 4 km away
35. 1.714km SSE of Bodfish, CASun, May 19, 3:57 PM PDT · 12922 days ago · 8 km deep · 27 km away
36. 2.316km NW of Tehachapi, CASun, May 19, 7:53 PM PDT · 12922 days ago · 5 km deep · 4 km away
37. 1.713km N of Castaic, CAMon, May 20, 2:11 AM PDT · 12921 days ago · 9 km deep · 74 km away
38. 1.68km ESE of Lake Isabella, CATue, May 21, 8:13 AM PDT · 12920 days ago · 5 km deep · 40 km away
39. 1.68km WNW of Kernville, CAWed, May 22, 5:03 AM PDT · 12919 days ago · 5 km deep · 57 km away
40. 1.915km NE of Lebec, CAFri, May 24, 4:14 AM PDT · 12917 days ago · 7 km deep · 40 km away
41. 2.524km NNW of Tehachapi, CASat, May 25, 12:37 AM PDT · 12917 days ago · 2 km deep · 4 km away
42. 1.713km SE of Maricopa, CASat, May 25, 7:27 AM PDT · 12916 days ago · 0 km deep · 76 km away
43. 1.716km N of Pine Mountain Club, CASat, May 25, 1:04 PM PDT · 12916 days ago · 18 km deep · 62 km away
44. 1.812km NNE of Ojai, CASat, May 25, 2:46 PM PDT · 12916 days ago · 0 km deep · 98 km away
45. 1.614km S of Bodfish, CASun, May 26, 1:44 PM PDT · 12915 days ago · 2 km deep · 23 km away
46. 1.821km ESE of Bodfish, CAMon, May 27, 5:19 AM PDT · 12914 days ago · 5 km deep · 36 km away
47. 1.518km NE of Grapevine, CATue, May 28, 7:25 AM PDT · 12913 days ago · 12 km deep · 31 km away
48. 1.921km SE of Bodfish, CATue, May 28, 9:13 AM PDT · 12913 days ago · 5 km deep · 33 km away
49. 1.511km N of Delano, CAWed, May 29, 1:35 AM PDT · 12913 days ago · 5 km deep · 88 km away
50. 1.617km SSE of Maricopa, CAWed, May 29, 7:26 AM PDT · 12912 days ago · 3 km deep · 78 km away
51. 1.718km E of Lake Isabella, CAWed, May 29, 10:12 PM PDT · 12912 days ago · 4 km deep · 45 km away
52. 1.625km NE of Arvin, CASat, Jun 1, 2:07 PM PDT · 12909 days ago · 2 km deep · 9 km away
53. 1.87km SE of Gorman, CATue, Jun 4, 7:38 AM PDT · 12906 days ago · 12 km deep · 62 km away
54. 1.99km ESE of Lake Isabella, CATue, Jun 4, 5:31 PM PDT · 12906 days ago · 5 km deep · 39 km away
55. 1.84km ENE of Valencia, CAWed, Jun 5, 11:43 AM PDT · 12905 days ago · 5 km deep · 89 km away
56. 1.54km SSE of Frazier Park, CAThu, Jun 6, 2:26 AM PDT · 12904 days ago · 13 km deep · 62 km away
57. 2.110km S of Arvin, CAFri, Jun 7, 12:02 AM PDT · 12904 days ago · 6 km deep · 29 km away
58. 1.921km NNW of Tehachapi, CAFri, Jun 7, 4:14 PM PDT · 12903 days ago · 6 km deep · 4 km away
59. 1.927km W of Inyokern, CASat, Jun 8, 5:30 PM PDT · 12902 days ago · 11 km deep · 62 km away
60. 3.026km NNE of Kernville, CASat, Jun 8, 11:08 PM PDT · 12902 days ago · 4 km deep · 81 km away

The first 60 of 76.

Before

1. 1.515km SE of Arvin, CASat, Apr 20, 8:43 AM PDT · 12951 days ago · 2 km deep · 22 km away
2. 2.18km NNW of Castaic, CASat, Apr 20, 1:33 AM PDT · 12952 days ago · 12 km deep · 81 km away
3. 3.17km NNW of Castaic, CAFri, Apr 19, 6:36 PM PDT · 12952 days ago · 12 km deep · 81 km away
4. 3.07km NNW of Castaic, CAFri, Apr 19, 6:25 PM PDT · 12952 days ago · 13 km deep · 81 km away
5. 1.912km NNE of Taft, CAThu, Apr 18, 2:42 PM PDT · 12953 days ago · 15 km deep · 76 km away
6. 1.54km S of Frazier Park, CAThu, Apr 18, 1:28 AM PDT · 12954 days ago · 11 km deep · 64 km away
7. 1.75km S of Frazier Park, CAThu, Apr 18, 1:25 AM PDT · 12954 days ago · 9 km deep · 64 km away
8. 1.68km ESE of Santa Clarita, CAWed, Apr 17, 10:09 PM PDT · 12954 days ago · 7 km deep · 98 km away
9. 1.920km NW of Inyokern, CAWed, Apr 17, 9:10 PM PDT · 12954 days ago · 13 km deep · 77 km away
10. 1.720km SE of Bodfish, CATue, Apr 16, 6:10 PM PDT · 12955 days ago · 8 km deep · 31 km away
11. 2.020km SE of Bodfish, CATue, Apr 16, 10:37 AM PDT · 12955 days ago · 9 km deep · 31 km away
12. 1.920km SE of Bodfish, CATue, Apr 16, 10:23 AM PDT · 12955 days ago · 9 km deep · 31 km away
13. 2.614km NNE of Taft, CAMon, Apr 15, 10:10 AM PDT · 12956 days ago · 5 km deep · 74 km away
14. 1.74km ENE of Lake Isabella, CASun, Apr 14, 9:32 PM PDT · 12957 days ago · 4 km deep · 42 km away
15. 1.78km NW of Fillmore, CASun, Apr 14, 3:59 PM PDT · 12957 days ago · 11 km deep · 99 km away
16. 2.110km N of Mojave, CASun, Apr 14, 1:43 AM PDT · 12958 days ago · 9 km deep · 39 km away
17. 1.616km NW of Fillmore, CAFri, Apr 12, 4:01 PM PDT · 12959 days ago · 3 km deep · 94 km away
18. 1.816km NW of Fillmore, CAFri, Apr 12, 1:59 PM PDT · 12959 days ago · 3 km deep · 94 km away
19. 1.615km NW of Fillmore, CAFri, Apr 12, 1:11 PM PDT · 12959 days ago · 3 km deep · 94 km away
20. 3.715km NW of Fillmore, CAFri, Apr 12, 12:45 PM PDT · 12959 days ago · 3 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci2016991. Read Sun, Oct 4, 2026, 8:16 PM UTC.