M3.1 earthquake 12km S of Tehachapi, CA

Magnitude

3.1 (ml), minor

Local time

Sat, Oct 6, 1984, 1:21 AM PDT

UTC

1984-10-06 08:21:05 UTC

Depth

6.1 km (3.8 mi), shallow

Epicenter

35.023° N, 118.473° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

35°

Stations used

0

• Tehachapi, CaliforniaPopulation 13,021. Forecast12 kmS
• Lancaster, CaliforniaPopulation 161,103. Forecast47 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast110 kmN

After

1. 1.74km NNE of La Crescenta-Montrose, CASat, Oct 6, 9:47 AM PDT · 15334 days ago · 10 km deep · 87 km away
2. 1.71km SE of Castaic, CAMon, Oct 8, 3:44 AM PDT · 15333 days ago · 7 km deep · 61 km away
3. 1.81km SSE of Castaic, CAMon, Oct 8, 3:44 AM PDT · 15333 days ago · 4 km deep · 62 km away
4. 2.01km S of Castaic, CAMon, Oct 8, 4:06 AM PDT · 15333 days ago · 7 km deep · 62 km away
5. 2.119km SW of Lamont, CAMon, Oct 8, 3:54 PM PDT · 15332 days ago · 14 km deep · 52 km away
6. 1.719km NNW of Grapevine, CAWed, Oct 10, 2:39 PM PDT · 15330 days ago · 12 km deep · 52 km away
7. 2.625km NNE of California City, CAWed, Oct 17, 5:24 PM PDT · 15323 days ago · 7 km deep · 62 km away
8. 1.820km SW of Little Lake, CAFri, Oct 19, 7:49 AM PDT · 15321 days ago · 10 km deep · 94 km away
9. 1.617km NNW of Tehachapi, CASat, Oct 20, 2:34 AM PDT · 15321 days ago · 5 km deep · 28 km away
10. 1.520km NNW of Grapevine, CAMon, Oct 22, 2:03 AM PDT · 15319 days ago · 13 km deep · 52 km away
11. 2.120km SW of Lamont, CAMon, Oct 22, 2:03 AM PDT · 15319 days ago · 12 km deep · 53 km away
12. 1.717km WSW of Johannesburg, CAMon, Oct 22, 11:18 AM PDT · 15318 days ago · 4 km deep · 69 km away
13. 3.58km WSW of Tehachapi, CAMon, Oct 22, 1:28 PM PDT · 15318 days ago · 2 km deep · 10 km away
14. 2.524km NE of Arvin, CAThu, Oct 25, 6:49 PM PDT · 15315 days ago · 5 km deep · 42 km away
15. 1.76km SSW of Santa Clarita, CASat, Oct 27, 7:33 PM PDT · 15313 days ago · 2 km deep · 73 km away
16. 1.820km SW of Lamont, CASat, Oct 27, 11:54 PM PDT · 15313 days ago · 14 km deep · 53 km away
17. 2.426km S of Bodfish, CASun, Oct 28, 2:54 PM PST · 15312 days ago · 4 km deep · 37 km away
18. 1.719km SW of Lamont, CAMon, Oct 29, 12:17 PM PST · 15311 days ago · 13 km deep · 54 km away
19. 2.223km WNW of Inyokern, CAMon, Oct 29, 11:25 PM PST · 15311 days ago · 7 km deep · 86 km away
20. 2.812km WSW of Tehachapi, CATue, Oct 30, 12:04 PM PST · 15310 days ago · 6 km deep · 12 km away
21. 2.116km NW of Grapevine, CAWed, Oct 31, 1:16 PM PST · 15309 days ago · 12 km deep · 53 km away
22. 1.96km SSE of Pearblossum, CASat, Nov 3, 2:54 PM PST · 15306 days ago · 8 km deep · 83 km away
23. 1.69km SSW of Johannesburg, CAMon, Nov 5, 4:40 AM PST · 15305 days ago · 4 km deep · 79 km away
24. 2.215km NW of California City, CAMon, Nov 5, 6:06 AM PST · 15304 days ago · 5 km deep · 40 km away
25. 1.915km SSW of Arvin, CATue, Nov 6, 6:09 AM PST · 15303 days ago · 21 km deep · 40 km away
26. 1.82km NNE of Kernville, CATue, Nov 6, 9:08 AM PST · 15303 days ago · 8 km deep · 83 km away
27. 2.28km NE of Camarillo, CAWed, Nov 7, 9:54 AM PST · 15302 days ago · 5 km deep · 96 km away
28. 2.515km NE of Ojai, CAWed, Nov 7, 11:38 AM PST · 15302 days ago · 0 km deep · 81 km away
29. 1.98km E of Camarillo, CAWed, Nov 7, 6:45 PM PST · 15302 days ago · 22 km deep · 99 km away
30. 1.620km NNW of Grapevine, CAThu, Nov 8, 9:35 PM PST · 15301 days ago · 15 km deep · 52 km away
31. 2.29km S of Bodfish, CASat, Nov 10, 4:10 AM PST · 15300 days ago · 2 km deep · 54 km away
32. 1.88km WSW of Grapevine, CASat, Nov 10, 7:03 AM PST · 15299 days ago · 14 km deep · 50 km away
33. 1.913km N of Grapevine, CAThu, Nov 15, 5:20 PM PST · 15294 days ago · 10 km deep · 42 km away
34. 1.818km NE of Lamont, CAThu, Nov 15, 5:45 PM PST · 15294 days ago · 5 km deep · 46 km away
35. 1.617km SW of Lamont, CAFri, Nov 16, 8:54 PM PST · 15293 days ago · 16 km deep · 54 km away
36. 1.610km S of Bodfish, CASun, Nov 18, 12:45 AM PST · 15292 days ago · 1 km deep · 53 km away
37. 1.918km N of Fillmore, CATue, Nov 20, 3:23 AM PST · 15290 days ago · 13 km deep · 67 km away
38. 1.615km E of Boron, CATue, Nov 20, 11:25 PM PST · 15289 days ago · 5 km deep · 90 km away
39. 1.626km NNW of Tehachapi, CAThu, Nov 22, 3:18 PM PST · 15287 days ago · 5 km deep · 38 km away
40. 1.514km NE of Ojai, CAThu, Nov 22, 3:35 PM PST · 15287 days ago · 2 km deep · 81 km away
41. 1.920km SW of Lamont, CAFri, Nov 23, 5:12 AM PST · 15286 days ago · 14 km deep · 54 km away
42. 1.919km SW of Lamont, CAFri, Nov 23, 5:17 AM PST · 15286 days ago · 5 km deep · 56 km away
43. 2.219km SW of Lamont, CAFri, Nov 23, 5:35 AM PST · 15286 days ago · 5 km deep · 54 km away
44. 1.624km SSW of Maricopa, CAFri, Nov 23, 8:10 PM PST · 15286 days ago · 2 km deep · 91 km away
45. 2.79km SE of Kernville, CAFri, Nov 23, 9:03 PM PST · 15286 days ago · 5 km deep · 76 km away
46. 2.016km SSW of Maricopa, CASat, Nov 24, 1:49 PM PST · 15285 days ago · 11 km deep · 89 km away
47. 2.322km WNW of Grapevine, CASun, Nov 25, 4:54 AM PST · 15284 days ago · 13 km deep · 61 km away
48. 2.31km ESE of Grapevine, CASun, Nov 25, 9:25 PM PST · 15284 days ago · 14 km deep · 41 km away
49. 1.67km SSW of Littlerock, CAThu, Nov 29, 5:09 AM PST · 15280 days ago · 7 km deep · 76 km away
50. 1.92km NW of Frazier Park, CAThu, Nov 29, 5:57 PM PST · 15280 days ago · 13 km deep · 49 km away
51. 1.62km SSW of Chatsworth, CAFri, Nov 30, 7:14 AM PST · 15279 days ago · 5 km deep · 88 km away
52. 2.421km NNW of Tehachapi, CASun, Dec 2, 12:12 PM PST · 15277 days ago · 4 km deep · 32 km away
53. 1.619km NNE of Kernville, CASun, Dec 2, 5:04 PM PST · 15277 days ago · 4 km deep · 100 km away
54. 2.010km SSW of Arvin, CAMon, Dec 3, 11:02 PM PST · 15276 days ago · 6 km deep · 37 km away
55. 1.920km SW of Lamont, CATue, Dec 4, 2:05 AM PST · 15276 days ago · 13 km deep · 53 km away
56. 2.219km SW of Lamont, CATue, Dec 4, 2:07 AM PST · 15276 days ago · 13 km deep · 53 km away
57. 1.820km SW of Lamont, CATue, Dec 4, 2:08 AM PST · 15276 days ago · 12 km deep · 54 km away
58. 1.520km SW of Lamont, CATue, Dec 4, 8:45 AM PST · 15275 days ago · 12 km deep · 52 km away

Before

1. 1.710km N of Grapevine, CAFri, Oct 5, 3:47 PM PDT · 15335 days ago · 12 km deep · 42 km away
2. 2.410km ESE of Santa Clarita, CAFri, Oct 5, 11:24 AM PDT · 15335 days ago · 5 km deep · 72 km away
3. 1.65km S of Johannesburg, CAFri, Oct 5, 10:51 AM PDT · 15335 days ago · 7 km deep · 84 km away
4. 2.47km S of Johannesburg, CAThu, Oct 4, 7:30 PM PDT · 15336 days ago · 7 km deep · 82 km away
5. 2.76km S of Johannesburg, CAThu, Oct 4, 4:07 PM PDT · 15336 days ago · 7 km deep · 82 km away
6. 1.710km WSW of Rosamond, CAWed, Oct 3, 5:03 PM PDT · 15337 days ago · 5 km deep · 28 km away
7. 1.810km ESE of Piru, CAWed, Oct 3, 3:12 AM PDT · 15338 days ago · 2 km deep · 72 km away
8. 1.521km ESE of Lake Isabella, CATue, Oct 2, 7:07 AM PDT · 15338 days ago · 8 km deep · 59 km away
9. 1.65km NE of Altadena, CATue, Oct 2, 12:51 AM PDT · 15339 days ago · 12 km deep · 96 km away
10. 3.317km NW of Grapevine, CAMon, Oct 1, 7:37 AM PDT · 15339 days ago · 21 km deep · 55 km away
11. 1.83km ENE of Ojai, CASat, Sep 29, 7:57 AM PDT · 15341 days ago · 7 km deep · 92 km away
12. 2.18km NNE of Pine Mountain Club, CAThu, Sep 27, 10:02 PM PDT · 15343 days ago · 13 km deep · 61 km away
13. 1.924km NNW of Tehachapi, CAWed, Sep 26, 8:56 AM PDT · 15344 days ago · 5 km deep · 34 km away
14. 1.712km SE of Buttonwillow, CAWed, Sep 26, 8:26 AM PDT · 15344 days ago · 21 km deep · 89 km away
15. 2.213km SSE of Bodfish, CAWed, Sep 26, 3:39 AM PDT · 15345 days ago · 5 km deep · 51 km away
16. 1.521km ESE of Lake Isabella, CATue, Sep 25, 11:55 AM PDT · 15345 days ago · 11 km deep · 59 km away
17. 2.019km NW of Grapevine, CASun, Sep 23, 4:51 AM PDT · 15348 days ago · 17 km deep · 55 km away
18. 2.121km NW of Grapevine, CASun, Sep 23, 3:58 AM PDT · 15348 days ago · 17 km deep · 56 km away
19. 2.320km NW of Grapevine, CASun, Sep 23, 1:29 AM PDT · 15348 days ago · 15 km deep · 55 km away
20. 1.820km NW of Grapevine, CASun, Sep 23, 1:29 AM PDT · 15348 days ago · 8 km deep · 55 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci51778 (also filed as usp00027yj). Read Thu, Oct 1, 2026, 12:12 AM UTC.