M1.7 earthquake 15km WNW of Tehachapi, CA

Magnitude

1.7 (mc), micro

Local time

Tue, Jul 21, 1987, 3:18 AM PDT

UTC

1987-07-21 10:18:07 UTC

Depth

4.5 km (2.8 mi), shallow

Epicenter

35.197° N, 118.597° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

51°

Stations used

0

• Bear Valley Springs, CaliforniaPopulation 5,172. Forecast5 kmNNE
• Tehachapi, CaliforniaPopulation 13,021. Forecast15 kmWNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast43 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast131 kmNNW

After

1. 1.81km NNE of Valencia, CATue, Jul 21, 6:44 AM PDT · 14308 days ago · 3 km deep · 81 km away
2. 2.03km NNE of Valencia, CATue, Jul 21, 7:58 AM PDT · 14308 days ago · 3 km deep · 80 km away
3. 1.98km S of Piru, CAThu, Jul 23, 2:35 PM PDT · 14306 days ago · 26 km deep · 97 km away
4. 1.82km NNE of Valencia, CAFri, Jul 24, 12:31 AM PDT · 14306 days ago · 4 km deep · 80 km away
5. 2.52km NNE of Valencia, CAFri, Jul 24, 12:47 AM PDT · 14306 days ago · 3 km deep · 81 km away
6. 2.82km N of Valencia, CAFri, Jul 24, 3:20 AM PDT · 14306 days ago · 3 km deep · 81 km away
7. 1.816km SSW of Tehachapi, CAFri, Jul 24, 9:34 AM PDT · 14305 days ago · 10 km deep · 23 km away
8. 1.62km NE of Valencia, CASat, Jul 25, 1:44 PM PDT · 14304 days ago · 3 km deep · 81 km away
9. 2.118km WNW of Grapevine, CATue, Jul 28, 12:30 AM PDT · 14302 days ago · 15 km deep · 49 km away
10. 1.921km NNW of Tehachapi, CATue, Jul 28, 4:10 PM PDT · 14301 days ago · 6 km deep · 16 km away
11. 2.310km NE of Kernville, CAWed, Jul 29, 12:26 AM PDT · 14301 days ago · 7 km deep · 73 km away
12. 1.621km NNE of Kernville, CAThu, Jul 30, 12:36 PM PDT · 14299 days ago · 4 km deep · 85 km away
13. 2.426km NNW of Tehachapi, CASat, Aug 1, 8:27 AM PDT · 14297 days ago · 3 km deep · 17 km away
14. 1.717km S of Little Lake, CASat, Aug 1, 4:36 PM PDT · 14297 days ago · 4 km deep · 89 km away
15. 2.06km E of Kernville, CASat, Aug 1, 7:11 PM PDT · 14297 days ago · 6 km deep · 67 km away
16. 2.16km E of Kernville, CASun, Aug 2, 10:18 AM PDT · 14296 days ago · 6 km deep · 67 km away
17. 1.66km E of Kernville, CASun, Aug 2, 6:36 PM PDT · 14296 days ago · 6 km deep · 67 km away
18. 1.66km ENE of Kernville, CASun, Aug 2, 10:27 PM PDT · 14296 days ago · 5 km deep · 68 km away
19. 1.89km NW of Kernville, CAMon, Aug 3, 8:20 AM PDT · 14295 days ago · 9 km deep · 71 km away
20. 1.77km E of Kernville, CAMon, Aug 3, 4:01 PM PDT · 14295 days ago · 5 km deep · 67 km away
21. 1.817km NW of Tehachapi, CAMon, Aug 3, 7:05 PM PDT · 14295 days ago · 5 km deep · 8 km away
22. 1.86km E of Kernville, CATue, Aug 4, 11:34 AM PDT · 14294 days ago · 6 km deep · 66 km away
23. 2.214km N of Santa Paula, CATue, Aug 4, 1:17 PM PDT · 14294 days ago · 7 km deep · 90 km away
24. 1.721km NNE of Kernville, CATue, Aug 4, 2:00 PM PDT · 14294 days ago · 5 km deep · 85 km away
25. 2.18km S of Bakersfield, CAWed, Aug 5, 5:06 AM PDT · 14294 days ago · 5 km deep · 41 km away
26. 1.921km NW of Tehachapi, CAWed, Aug 5, 7:59 PM PDT · 14293 days ago · 5 km deep · 8 km away
27. 3.16km E of Kernville, CAThu, Aug 6, 12:53 AM PDT · 14293 days ago · 6 km deep · 66 km away
28. 2.56km E of Kernville, CAThu, Aug 6, 12:54 AM PDT · 14293 days ago · 5 km deep · 67 km away
29. 1.96km ENE of Kernville, CAThu, Aug 6, 12:55 AM PDT · 14293 days ago · 7 km deep · 67 km away
30. 1.76km ENE of Kernville, CAThu, Aug 6, 1:08 AM PDT · 14293 days ago · 2 km deep · 68 km away
31. 1.66km ENE of Kernville, CAThu, Aug 6, 1:44 AM PDT · 14293 days ago · 5 km deep · 67 km away
32. 2.128km NNE of Kernville, CAThu, Aug 6, 3:59 AM PDT · 14293 days ago · 18 km deep · 92 km away
33. 1.96km E of Kernville, CAThu, Aug 6, 4:01 AM PDT · 14293 days ago · 6 km deep · 67 km away
34. 1.96km E of Kernville, CAThu, Aug 6, 4:04 AM PDT · 14293 days ago · 6 km deep · 66 km away
35. 1.65km ENE of Kernville, CAThu, Aug 6, 4:07 AM PDT · 14293 days ago · 5 km deep · 67 km away
36. 2.16km ENE of Kernville, CAThu, Aug 6, 9:41 AM PDT · 14292 days ago · 6 km deep · 67 km away
37. 2.56km E of Kernville, CAThu, Aug 6, 11:55 AM PDT · 14292 days ago · 6 km deep · 66 km away
38. 1.76km E of Kernville, CAThu, Aug 6, 12:25 PM PDT · 14292 days ago · 6 km deep · 66 km away
39. 2.16km ENE of Kernville, CAThu, Aug 6, 12:32 PM PDT · 14292 days ago · 6 km deep · 67 km away
40. 1.76km ENE of Kernville, CAThu, Aug 6, 11:36 PM PDT · 14292 days ago · 6 km deep · 67 km away
41. 2.26km E of Kernville, CASat, Aug 8, 1:36 AM PDT · 14291 days ago · 6 km deep · 66 km away
42. 1.65km E of Kernville, CASat, Aug 8, 2:03 AM PDT · 14291 days ago · 7 km deep · 66 km away
43. 1.66km ENE of Kernville, CASat, Aug 8, 4:17 AM PDT · 14291 days ago · 3 km deep · 67 km away
44. 1.76km E of Kernville, CASat, Aug 8, 5:16 AM PDT · 14291 days ago · 6 km deep · 66 km away
45. 1.96km E of Kernville, CASat, Aug 8, 5:42 AM PDT · 14291 days ago · 6 km deep · 66 km away
46. 2.46km E of Kernville, CASat, Aug 8, 5:54 AM PDT · 14291 days ago · 7 km deep · 66 km away
47. 1.66km E of Kernville, CASat, Aug 8, 3:13 PM PDT · 14290 days ago · 5 km deep · 66 km away
48. 1.76km ENE of Kernville, CASat, Aug 8, 5:48 PM PDT · 14290 days ago · 5 km deep · 67 km away
49. 1.65km NE of Kernville, CASat, Aug 8, 6:20 PM PDT · 14290 days ago · 5 km deep · 68 km away
50. 3.45km ENE of Kernville, CASat, Aug 8, 8:12 PM PDT · 14290 days ago · 5 km deep · 67 km away
51. 2.36km ENE of Kernville, CASat, Aug 8, 8:13 PM PDT · 14290 days ago · 6 km deep · 67 km away
52. 3.08km ENE of Kernville, CASat, Aug 8, 8:13 PM PDT · 14290 days ago · 5 km deep · 69 km away
53. 3.46km ENE of Kernville, CASat, Aug 8, 8:14 PM PDT · 14290 days ago · 4 km deep · 67 km away
54. 1.99km N of Kernville, CASat, Aug 8, 8:16 PM PDT · 14290 days ago · 6 km deep · 73 km away
55. 1.76km E of Kernville, CASat, Aug 8, 8:21 PM PDT · 14290 days ago · 6 km deep · 66 km away
56. 2.16km E of Kernville, CASat, Aug 8, 8:52 PM PDT · 14290 days ago · 6 km deep · 66 km away
57. 1.86km E of Kernville, CASat, Aug 8, 9:49 PM PDT · 14290 days ago · 6 km deep · 67 km away
58. 2.46km ENE of Kernville, CASat, Aug 8, 11:47 PM PDT · 14290 days ago · 6 km deep · 67 km away
59. 2.46km ENE of Kernville, CASat, Aug 8, 11:55 PM PDT · 14290 days ago · 6 km deep · 67 km away
60. 2.020km NNE of Kernville, CASun, Aug 9, 12:28 AM PDT · 14290 days ago · 5 km deep · 84 km away

The first 60 of 135.

Before

1. 2.029km NNE of Kernville, CASat, Jul 18, 8:54 PM PDT · 14311 days ago · 8 km deep · 93 km away
2. 1.920km NW of Tehachapi, CASat, Jul 18, 9:05 AM PDT · 14311 days ago · 5 km deep · 8 km away
3. 2.07km W of Fillmore, CAFri, Jul 17, 8:03 PM PDT · 14312 days ago · 13 km deep · 95 km away
4. 2.120km NW of Tehachapi, CAFri, Jul 17, 4:42 AM PDT · 14313 days ago · 5 km deep · 8 km away
5. 2.920km NW of Tehachapi, CAFri, Jul 17, 4:10 AM PDT · 14313 days ago · 5 km deep · 8 km away
6. 1.717km ENE of Ojai, CAWed, Jul 15, 11:41 PM PDT · 14314 days ago · 11 km deep · 87 km away
7. 1.68km WSW of Tehachapi, CAWed, Jul 15, 4:18 AM PDT · 14315 days ago · 5 km deep · 13 km away
8. 1.58km NE of Santa Paula, CASun, Jul 12, 1:00 PM PDT · 14317 days ago · 14 km deep · 95 km away
9. 1.68km NE of Santa Paula, CASun, Jul 12, 9:57 AM PDT · 14317 days ago · 14 km deep · 95 km away
10. 1.78km W of Fillmore, CASun, Jul 12, 9:37 AM PDT · 14317 days ago · 16 km deep · 96 km away
11. 1.910km SW of Valencia, CASat, Jul 11, 8:57 PM PDT · 14318 days ago · 13 km deep · 89 km away
12. 1.58km NE of Santa Paula, CASat, Jul 11, 5:39 PM PDT · 14318 days ago · 13 km deep · 95 km away
13. 1.88km NW of Kernville, CAFri, Jul 10, 1:52 PM PDT · 14319 days ago · 9 km deep · 69 km away
14. 1.717km NW of Tehachapi, CAThu, Jul 9, 10:37 AM PDT · 14320 days ago · 8 km deep · 7 km away
15. 2.010km NNE of Kernville, CAWed, Jul 8, 11:10 AM PDT · 14321 days ago · 11 km deep · 73 km away
16. 1.910km NNE of Kernville, CAWed, Jul 8, 10:19 AM PDT · 14321 days ago · 10 km deep · 74 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci726556. Read Wed, Sep 23, 2026, 12:27 AM UTC.