M1.7 earthquake 12km NE of Tehachapi, CA

Magnitude

1.7 (mh), micro

Local time

Fri, Jan 20, 1978, 2:23 PM PST

UTC

1978-01-20 22:23:35 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

35.221° N, 118.371° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.2 km horizontally, 12.9 km in depth

Depth from

From location

Station coverage gap

275°, poorly surrounded by stations

Stations used

5

• Tehachapi, CaliforniaPopulation 13,021. Forecast12 kmNE
• Bakersfield, CaliforniaPopulation 373,640. Forecast61 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast131 kmN

After

1. 2.320km NW of Grapevine, CASat, Jan 21, 2:32 PM PST · 17776 days ago · 0 km deep · 64 km away
2. 2.510km E of Santa Clarita, CASat, Jan 21, 3:05 PM PST · 17776 days ago · 6 km deep · 89 km away
3. 2.813km SSW of Gorman, CATue, Jan 24, 4:26 AM PST · 17773 days ago · 8 km deep · 78 km away
4. 2.86km NNE of Lake View Terrace, CAWed, Jan 25, 2:40 AM PST · 17772 days ago · 1 km deep · 100 km away
5. 2.223km NE of Arvin, CAWed, Jan 25, 11:11 AM PST · 17772 days ago · 8 km deep · 32 km away
6. 1.510km E of Santa Clarita, CAThu, Jan 26, 3:29 AM PST · 17771 days ago · 8 km deep · 89 km away
7. 1.66km S of Littlerock, CAThu, Jan 26, 12:08 PM PST · 17771 days ago · 8 km deep · 90 km away
8. 2.014km WSW of Searles Valley, CAFri, Jan 27, 6:53 PM PST · 17770 days ago · 4 km deep · 94 km away
9. 2.332km SE of Bodfish, CASat, Jan 28, 1:58 AM PST · 17770 days ago · 4 km deep · 24 km away
10. 1.88km NNW of Granada Hills, CASun, Jan 29, 7:36 PM PST · 17768 days ago · 7 km deep · 99 km away
11. 1.98km NNW of Granada Hills, CASun, Jan 29, 7:37 PM PST · 17768 days ago · 4 km deep · 99 km away
12. 1.87km NNW of Granada Hills, CASun, Jan 29, 8:32 PM PST · 17768 days ago · 5 km deep · 100 km away
13. 1.810km SSW of Agua Dulce, CAWed, Feb 1, 10:11 AM PST · 17765 days ago · 7 km deep · 89 km away
14. 1.820km E of Maricopa, CAThu, Feb 2, 2:45 PM PST · 17764 days ago · 6 km deep · 76 km away
15. 1.618km NNW of Tehachapi, CASun, Feb 5, 4:07 AM PST · 17761 days ago · 6 km deep · 17 km away
16. 1.717km NW of Grapevine, CASun, Feb 5, 7:34 AM PST · 17761 days ago · 6 km deep · 65 km away
17. 1.815km NW of Grapevine, CASun, Feb 5, 11:43 AM PST · 17761 days ago · 6 km deep · 64 km away
18. 2.316km ESE of Arvin, CAMon, Feb 6, 12:36 AM PST · 17761 days ago · 10 km deep · 28 km away
19. 1.620km NNW of Tehachapi, CAMon, Feb 6, 4:16 AM PST · 17760 days ago · 4 km deep · 18 km away
20. 1.96km NW of Vincent, CATue, Feb 7, 8:34 PM PST · 17759 days ago · 9 km deep · 78 km away
21. 1.79km SE of Bodfish, CAWed, Feb 8, 4:02 AM PST · 17758 days ago · 6 km deep · 35 km away
22. 1.710km ESE of Lake Isabella, CAWed, Feb 8, 9:42 AM PST · 17758 days ago · 1 km deep · 40 km away
23. 2.010km SSW of Valencia, CAWed, Feb 8, 11:12 AM PST · 17758 days ago · 3 km deep · 97 km away
24. 1.710km ESE of Lake Isabella, CAWed, Feb 8, 11:16 AM PST · 17758 days ago · 0 km deep · 39 km away
25. 1.67km NE of Kernville, CAWed, Feb 8, 11:18 AM PST · 17758 days ago · 6 km deep · 64 km away
26. 1.89km SE of Lake Isabella, CAWed, Feb 8, 12:28 PM PST · 17758 days ago · 0 km deep · 39 km away
27. 1.66km SE of Bodfish, CAWed, Feb 8, 5:14 PM PST · 17758 days ago · 6 km deep · 37 km away
28. 2.511km ENE of Lebec, CAWed, Feb 8, 7:47 PM PST · 17758 days ago · 3 km deep · 51 km away
29. 1.98km N of Grapevine, CAFri, Feb 10, 1:40 PM PST · 17756 days ago · 7 km deep · 55 km away
30. 1.722km SE of Arvin, CASun, Feb 12, 1:06 AM PST · 17755 days ago · 11 km deep · 33 km away
31. 1.67km E of Santa Clarita, CAMon, Feb 13, 6:54 AM PST · 17753 days ago · 12 km deep · 89 km away
32. 1.717km N of Mojave, CAMon, Feb 13, 8:03 AM PST · 17753 days ago · 6 km deep · 19 km away
33. 2.23km S of Bodfish, CAFri, Feb 17, 5:57 AM PST · 17749 days ago · 6 km deep · 39 km away
34. 2.35km SSE of Bodfish, CAFri, Feb 17, 9:27 PM PST · 17749 days ago · 6 km deep · 38 km away
35. 1.96km NW of Vincent, CASun, Feb 19, 1:34 PM PST · 17747 days ago · 6 km deep · 78 km away
36. 1.78km E of Buttonwillow, CAWed, Feb 22, 4:16 AM PST · 17744 days ago · 6 km deep · 94 km away
37. 2.29km NNE of Grapevine, CAWed, Feb 22, 6:43 AM PST · 17744 days ago · 12 km deep · 52 km away
38. 2.418km SW of Little Lake, CAWed, Feb 22, 9:06 PM PST · 17744 days ago · 6 km deep · 72 km away
39. 2.318km SW of Little Lake, CAWed, Feb 22, 11:35 PM PST · 17744 days ago · 6 km deep · 72 km away
40. 2.04km S of Valencia, CASun, Feb 26, 4:27 PM PST · 17740 days ago · 4 km deep · 91 km away
41. 1.518km SSW of Gorman, CASun, Feb 26, 10:58 PM PST · 17740 days ago · 12 km deep · 82 km away
42. 1.919km SE of Bodfish, CATue, Feb 28, 5:25 AM PST · 17738 days ago · 6 km deep · 27 km away
43. 2.318km NW of Tehachapi, CATue, Feb 28, 4:22 PM PST · 17738 days ago · 4 km deep · 20 km away
44. 1.99km SW of Shafter, CAWed, Mar 1, 1:15 PM PST · 17737 days ago · 6 km deep · 92 km away
45. 1.514km N of Pine Mountain Club, CAFri, Mar 3, 3:30 PM PST · 17735 days ago · 6 km deep · 75 km away
46. 2.325km NNE of Kernville, CASat, Mar 4, 10:26 AM PST · 17734 days ago · 6 km deep · 82 km away
47. 2.324km NE of Arvin, CASat, Mar 4, 10:27 AM PST · 17734 days ago · 6 km deep · 32 km away
48. 2.014km N of Grapevine, CAMon, Mar 6, 5:22 AM PST · 17732 days ago · 11 km deep · 53 km away
49. 1.917km NE of Lamont, CATue, Mar 7, 9:46 AM PST · 17731 days ago · 6 km deep · 40 km away
50. 2.010km SSE of Tehachapi, CATue, Mar 7, 9:31 PM PST · 17731 days ago · 3 km deep · 20 km away
51. 1.916km WSW of Coso Junction, CAWed, Mar 8, 11:58 AM PST · 17730 days ago · 3 km deep · 89 km away
52. 1.812km SW of Coso Junction, CAWed, Mar 8, 10:15 PM PST · 17730 days ago · 4 km deep · 89 km away
53. 2.16km SSE of Shafter, CAThu, Mar 9, 1:25 PM PST · 17729 days ago · 6 km deep · 84 km away
54. 2.67km NNE of Santa Clarita, CAFri, Mar 10, 12:33 AM PST · 17729 days ago · 13 km deep · 84 km away
55. 2.56km ENE of Shafter, CAFri, Mar 10, 11:47 AM PST · 17728 days ago · 6 km deep · 83 km away
56. 1.812km ESE of Little Lake, CASat, Mar 11, 12:35 AM PST · 17728 days ago · 3 km deep · 94 km away
57. 1.64km SW of Palmdale, CASun, Mar 12, 10:04 AM PST · 17726 days ago · 13 km deep · 77 km away
58. 1.613km N of Pine Mountain Club, CAMon, Mar 13, 11:54 AM PST · 17725 days ago · 4 km deep · 75 km away
59. 2.612km WSW of Grapevine, CAMon, Mar 13, 10:32 PM PST · 17725 days ago · 13 km deep · 70 km away
60. 1.77km E of Santa Clarita, CAWed, Mar 15, 12:19 PM PST · 17723 days ago · 12 km deep · 91 km away

The first 60 of 71.

Before

1. 1.824km NE of Arvin, CAThu, Jan 19, 2:55 AM PST · 17778 days ago · 0 km deep · 30 km away
2. 2.419km SE of Bodfish, CAWed, Jan 18, 1:18 AM PST · 17780 days ago · 5 km deep · 27 km away
3. 3.417km SW of Little Lake, CASun, Jan 15, 1:47 AM PST · 17783 days ago · 2 km deep · 73 km away
4. 1.917km ESE of Maricopa, CASat, Jan 14, 5:12 AM PST · 17783 days ago · 6 km deep · 83 km away
5. 2.510km E of Santa Clarita, CATue, Jan 10, 11:39 AM PST · 17787 days ago · 10 km deep · 89 km away
6. 2.27km ESE of Santa Clarita, CAMon, Jan 9, 11:53 AM PST · 17788 days ago · 7 km deep · 92 km away
7. 2.122km NNW of Tehachapi, CASun, Jan 8, 7:46 PM PST · 17789 days ago · 6 km deep · 17 km away
8. 2.07km ESE of Santa Clarita, CASun, Jan 8, 12:10 PM PST · 17789 days ago · 7 km deep · 91 km away
9. 2.07km ESE of Santa Clarita, CASat, Jan 7, 9:07 PM PST · 17790 days ago · 8 km deep · 92 km away
10. 1.87km ESE of Santa Clarita, CASat, Jan 7, 8:43 PM PST · 17790 days ago · 2 km deep · 91 km away
11. 1.59km SSW of Agua Dulce, CAWed, Jan 4, 8:02 PM PST · 17793 days ago · 11 km deep · 90 km away
12. 2.78km ESE of Santa Clarita, CAWed, Jan 4, 12:50 PM PST · 17793 days ago · 6 km deep · 92 km away
13. 1.822km N of Ridgecrest, CAWed, Jan 4, 11:05 AM PST · 17793 days ago · 0 km deep · 92 km away
14. 1.67km NNW of Pacoima, CAWed, Jan 4, 9:12 AM PST · 17793 days ago · 2 km deep · 99 km away
15. 1.912km SSW of Agua Dulce, CATue, Jan 3, 4:13 AM PST · 17794 days ago · 8 km deep · 92 km away
16. 1.719km SSW of Lamont, CASun, Jan 1, 1:49 AM PST · 17797 days ago · 0 km deep · 60 km away
17. 1.515km WNW of Tehachapi, CASat, Dec 31, 10:43 AM PST · 17797 days ago · 5 km deep · 22 km away
18. 1.925km NW of Grapevine, CAMon, Dec 26, 4:08 AM PST · 17802 days ago · 4 km deep · 70 km away
19. 2.012km ESE of Piru, CASat, Dec 24, 2:10 AM PST · 17804 days ago · 20 km deep · 98 km away
20. 1.511km SW of Valencia, CAFri, Dec 23, 5:34 PM PST · 17805 days ago · 27 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9997786. Read Tue, Sep 22, 2026, 9:28 PM UTC.