M1.8 earthquake 21km NNW of Tehachapi, CA

Magnitude

1.8 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Oct 1, 1987, 11:28 AM PDT

UTC

1987-10-01 18:28:45 UTC

Depth

4.9 km (3.1 mi), shallow

Epicenter

35.300° N, 118.555° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

94°

Stations used

0

• Bear Valley Springs, CaliforniaPopulation 5,172. Forecast17 kmNNE
• Tehachapi, CaliforniaPopulation 13,021. Forecast21 kmNNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast43 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast142 kmNNW

After

1. 1.619km W of Rosamond, CAThu, Oct 1, 12:20 PM PDT · 14245 days ago · 17 km deep · 49 km away
2. 1.636km N of Kernville, CAThu, Oct 1, 5:23 PM PDT · 14244 days ago · 10 km deep · 87 km away
3. 2.213km SW of Arvin, CASun, Oct 4, 2:37 AM PDT · 14242 days ago · 11 km deep · 39 km away
4. 1.68km SSW of Castaic, CASun, Oct 4, 3:20 AM PDT · 14242 days ago · 16 km deep · 98 km away
5. 2.95km WSW of Grapevine, CASun, Oct 4, 7:32 PM PDT · 14241 days ago · 15 km deep · 57 km away
6. 1.96km W of Grapevine, CASun, Oct 4, 8:08 PM PDT · 14241 days ago · 14 km deep · 56 km away
7. 1.915km N of Ridgecrest, CAMon, Oct 5, 12:14 AM PDT · 14241 days ago · 4 km deep · 93 km away
8. 2.14km SSE of Kernville, CAMon, Oct 5, 5:39 AM PDT · 14241 days ago · 11 km deep · 49 km away
9. 1.75km NE of Santa Clarita, CAMon, Oct 5, 7:10 AM PDT · 14241 days ago · 18 km deep · 95 km away
10. 1.78km ESE of Kernville, CAMon, Oct 5, 7:56 AM PDT · 14241 days ago · 4 km deep · 52 km away
11. 2.48km ESE of Kernville, CAMon, Oct 5, 8:19 AM PDT · 14241 days ago · 4 km deep · 52 km away
12. 1.721km NNW of Tehachapi, CAWed, Oct 7, 5:14 PM PDT · 14238 days ago · 7 km deep · 3 km away
13. 1.913km NW of Taft, CAThu, Oct 8, 5:24 PM PDT · 14237 days ago · 23 km deep · 89 km away
14. 2.119km NNW of Tehachapi, CASat, Oct 10, 4:41 PM PDT · 14235 days ago · 1 km deep · 2 km away
15. 1.617km WSW of Johannesburg, CASun, Oct 11, 1:37 AM PDT · 14235 days ago · 2 km deep · 67 km away
16. 1.617km W of Johannesburg, CASun, Oct 11, 1:38 AM PDT · 14235 days ago · 5 km deep · 67 km away
17. 1.926km W of Inyokern, CASun, Oct 11, 9:53 AM PDT · 14235 days ago · 10 km deep · 60 km away
18. 1.816km S of Bodfish, CASun, Oct 11, 10:09 AM PDT · 14235 days ago · 4 km deep · 19 km away
19. 1.95km S of Mojave, CASun, Oct 11, 6:22 PM PDT · 14234 days ago · 2 km deep · 48 km away
20. 1.717km WSW of Johannesburg, CASun, Oct 11, 10:30 PM PDT · 14234 days ago · 5 km deep · 67 km away
21. 1.516km WSW of Johannesburg, CAMon, Oct 12, 4:14 AM PDT · 14234 days ago · 5 km deep · 67 km away
22. 1.98km NNW of Grapevine, CAMon, Oct 12, 5:10 PM PDT · 14233 days ago · 14 km deep · 50 km away
23. 1.517km WSW of Johannesburg, CAMon, Oct 12, 9:57 PM PDT · 14233 days ago · 5 km deep · 67 km away
24. 2.317km NNE of Inyokern, CATue, Oct 13, 6:58 AM PDT · 14233 days ago · 7 km deep · 93 km away
25. 2.117km NNE of Inyokern, CATue, Oct 13, 6:59 AM PDT · 14233 days ago · 6 km deep · 93 km away
26. 1.617km NNE of Inyokern, CATue, Oct 13, 7:06 AM PDT · 14233 days ago · 7 km deep · 93 km away
27. 1.712km SW of Arvin, CAThu, Oct 15, 2:26 AM PDT · 14231 days ago · 15 km deep · 38 km away
28. 1.924km NE of Arvin, CASun, Oct 18, 3:25 AM PDT · 14228 days ago · 1 km deep · 6 km away
29. 2.024km SE of Bodfish, CAMon, Oct 19, 10:59 AM PDT · 14227 days ago · 12 km deep · 25 km away
30. 1.98km ESE of Kernville, CAMon, Oct 19, 1:25 PM PDT · 14227 days ago · 4 km deep · 52 km away
31. 2.914km ESE of Lake Isabella, CATue, Oct 20, 6:43 AM PDT · 14226 days ago · 5 km deep · 37 km away
32. 1.611km W of Grapevine, CATue, Oct 20, 5:34 PM PDT · 14225 days ago · 16 km deep · 60 km away
33. 1.724km NW of Grapevine, CATue, Oct 20, 7:44 PM PDT · 14225 days ago · 5 km deep · 57 km away
34. 1.817km SE of Arvin, CASat, Oct 24, 11:03 PM PDT · 14221 days ago · 13 km deep · 23 km away
35. 1.720km NNE of Kernville, CASun, Oct 25, 9:27 AM PST · 14221 days ago · 5 km deep · 72 km away
36. 2.65km SE of Kernville, CAMon, Oct 26, 5:59 AM PST · 14220 days ago · 13 km deep · 50 km away
37. 1.95km WNW of Lake Isabella, CATue, Oct 27, 4:17 PM PST · 14218 days ago · 0 km deep · 36 km away
38. 1.910km NW of Grapevine, CAWed, Oct 28, 2:33 AM PST · 14218 days ago · 14 km deep · 51 km away
39. 1.819km SE of Little Lake, CAWed, Oct 28, 2:08 PM PST · 14218 days ago · 4 km deep · 96 km away
40. 2.115km SSW of Tehachapi, CAThu, Oct 29, 3:20 PM PST · 14216 days ago · 4 km deep · 34 km away
41. 1.612km W of Wofford Heights, CAFri, Oct 30, 6:49 AM PST · 14216 days ago · 2 km deep · 45 km away
42. 2.322km ESE of Bodfish, CASat, Oct 31, 11:01 AM PST · 14215 days ago · 9 km deep · 32 km away
43. 1.822km ESE of Bodfish, CASat, Oct 31, 10:16 PM PST · 14214 days ago · 10 km deep · 32 km away
44. 3.416km WSW of Johannesburg, CAMon, Nov 2, 11:21 AM PST · 14213 days ago · 6 km deep · 68 km away
45. 1.616km WSW of Johannesburg, CAMon, Nov 2, 7:20 PM PST · 14212 days ago · 12 km deep · 69 km away
46. 1.83km SSE of Kernville, CAMon, Nov 2, 11:33 PM PST · 14212 days ago · 4 km deep · 49 km away
47. 1.916km WSW of Johannesburg, CATue, Nov 3, 1:04 AM PST · 14212 days ago · 7 km deep · 67 km away
48. 2.517km W of Johannesburg, CAWed, Nov 4, 3:11 AM PST · 14211 days ago · 6 km deep · 67 km away
49. 2.13km SSE of Kernville, CAWed, Nov 4, 3:13 AM PST · 14211 days ago · 4 km deep · 50 km away
50. 1.617km WSW of Johannesburg, CAThu, Nov 5, 8:45 AM PST · 14210 days ago · 7 km deep · 67 km away
51. 1.717km WSW of Johannesburg, CAThu, Nov 5, 9:51 AM PST · 14210 days ago · 7 km deep · 67 km away
52. 1.617km WSW of Johannesburg, CAThu, Nov 5, 11:16 AM PST · 14210 days ago · 7 km deep · 67 km away
53. 2.017km WSW of Johannesburg, CAFri, Nov 6, 9:30 AM PST · 14209 days ago · 7 km deep · 68 km away
54. 1.817km WSW of Johannesburg, CAFri, Nov 6, 4:09 PM PST · 14208 days ago · 6 km deep · 67 km away
55. 1.917km WSW of Johannesburg, CAFri, Nov 6, 4:15 PM PST · 14208 days ago · 6 km deep · 67 km away
56. 1.617km W of Johannesburg, CASat, Nov 7, 2:10 AM PST · 14208 days ago · 6 km deep · 67 km away
57. 2.18km NNE of Little Lake, CASat, Nov 7, 5:17 AM PST · 14208 days ago · 3 km deep · 99 km away
58. 1.716km WSW of Johannesburg, CASat, Nov 7, 6:26 AM PST · 14208 days ago · 5 km deep · 68 km away
59. 2.217km W of Johannesburg, CASat, Nov 7, 7:58 AM PST · 14208 days ago · 6 km deep · 67 km away
60. 2.217km W of Johannesburg, CASat, Nov 7, 9:17 AM PST · 14208 days ago · 7 km deep · 67 km away

The first 60 of 86.

Before

1. 2.410km SE of Kernville, CAThu, Oct 1, 5:21 AM PDT · 14245 days ago · 4 km deep · 49 km away
2. 2.48km NW of Kernville, CAWed, Sep 30, 1:44 PM PDT · 14246 days ago · 11 km deep · 57 km away
3. 2.820km SE of Little Lake, CATue, Sep 29, 9:48 PM PDT · 14246 days ago · 5 km deep · 96 km away
4. 2.725km SSW of Bodfish, CAMon, Sep 28, 11:58 PM PDT · 14247 days ago · 2 km deep · 12 km away
5. 2.127km NNW of Tehachapi, CASun, Sep 27, 1:28 PM PDT · 14249 days ago · 3 km deep · 6 km away
6. 2.42km WNW of Frazier Park, CASun, Sep 27, 10:08 AM PDT · 14249 days ago · 2 km deep · 64 km away
7. 2.120km ENE of Oildale, CASun, Sep 27, 5:00 AM PDT · 14249 days ago · 3 km deep · 31 km away
8. 2.09km NNW of Grapevine, CASat, Sep 26, 8:18 AM PDT · 14250 days ago · 15 km deep · 47 km away
9. 2.335km N of Kernville, CAFri, Sep 25, 8:24 AM PDT · 14251 days ago · 8 km deep · 86 km away
10. 3.010km NNE of Oildale, CAFri, Sep 25, 8:01 AM PDT · 14251 days ago · 14 km deep · 43 km away
11. 2.036km N of Kernville, CAFri, Sep 25, 3:45 AM PDT · 14251 days ago · 11 km deep · 88 km away
12. 1.633km NNE of Kernville, CAFri, Sep 25, 2:02 AM PDT · 14251 days ago · 2 km deep · 85 km away
13. 1.813km SW of Arvin, CAThu, Sep 24, 5:39 AM PDT · 14252 days ago · 17 km deep · 38 km away
14. 1.815km S of Bodfish, CATue, Sep 22, 10:53 AM PDT · 14254 days ago · 3 km deep · 19 km away
15. 3.016km W of Johannesburg, CATue, Sep 22, 7:48 AM PDT · 14254 days ago · 6 km deep · 68 km away
16. 2.013km SSW of Arvin, CAFri, Sep 18, 6:36 AM PDT · 14258 days ago · 16 km deep · 38 km away
17. 2.36km SSW of Lamont, CAWed, Sep 16, 8:30 PM PDT · 14259 days ago · 5 km deep · 36 km away
18. 1.914km SSW of Lamont, CATue, Sep 15, 8:52 PM PDT · 14260 days ago · 5 km deep · 41 km away
19. 1.712km SW of Arvin, CATue, Sep 15, 7:23 AM PDT · 14261 days ago · 12 km deep · 38 km away
20. 1.512km NE of Kernville, CASat, Sep 12, 3:35 PM PDT · 14264 days ago · 9 km deep · 62 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci731757. Read Thu, Oct 1, 2026, 10:19 AM UTC.