M1.7 earthquake 22km NW of Tehachapi, CA

Magnitude

1.7 (mh), micro

Local time

Tue, Apr 11, 1978, 7:08 PM PST

UTC

1978-04-12 03:08:17 UTC

Depth

2.4 km (1.5 mi), shallow

Epicenter

35.295° N, 118.591° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.0 km in depth

Depth from

From location

Station coverage gap

119°

Stations used

12

• Bear Valley Springs, CaliforniaPopulation 5,172. Forecast15 kmNNE
• Tehachapi, CaliforniaPopulation 13,021. Forecast22 kmNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast40 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast142 kmNNW

After

1. 1.816km SSW of Neenach, CAWed, Apr 12, 5:54 AM PST · 17701 days ago · 12 km deep · 74 km away
2. 2.618km NNW of Tehachapi, CAThu, Apr 13, 4:55 AM PST · 17700 days ago · 5 km deep · 5 km away
3. 1.725km N of Tehachapi, CASun, Apr 16, 2:17 PM PST · 17697 days ago · 0 km deep · 15 km away
4. 3.024km W of Coso Junction, CASun, Apr 16, 7:43 PM PST · 17697 days ago · 3 km deep · 86 km away
5. 1.818km NNW of Fillmore, CAMon, Apr 17, 4:50 PM PST · 17696 days ago · 21 km deep · 90 km away
6. 1.718km NNW of California City, CAThu, Apr 20, 1:27 PM PST · 17693 days ago · 6 km deep · 51 km away
7. 1.66km NNE of Grapevine, CAFri, Apr 21, 5:17 PM PST · 17692 days ago · 18 km deep · 45 km away
8. 1.716km S of Arvin, CASun, Apr 23, 3:29 AM PST · 17690 days ago · 0 km deep · 34 km away
9. 2.17km W of Wofford Heights, CAMon, Apr 24, 1:51 PM PST · 17689 days ago · 11 km deep · 46 km away
10. 2.023km ENE of Arvin, CATue, Apr 25, 4:15 AM PST · 17688 days ago · 4 km deep · 2 km away
11. 2.38km NE of Santa Clarita, CAThu, Apr 27, 12:54 PM PST · 17686 days ago · 13 km deep · 94 km away
12. 2.29km WSW of Bodfish, CAFri, Apr 28, 10:48 AM PST · 17685 days ago · 6 km deep · 28 km away
13. 1.67km ENE of Santa Clarita, CASat, Apr 29, 8:10 AM PST · 17684 days ago · 14 km deep · 95 km away
14. 1.76km SSE of Bakersfield, CASat, Apr 29, 4:05 PM PST · 17684 days ago · 6 km deep · 38 km away
15. 2.711km W of Delano, CAMon, May 1, 4:53 AM PDT · 17682 days ago · 6 km deep · 88 km away
16. 2.223km SW of Maricopa, CAThu, May 4, 3:31 PM PDT · 17679 days ago · 15 km deep · 100 km away
17. 1.918km NNW of Tehachapi, CASat, May 6, 6:10 PM PDT · 17677 days ago · 4 km deep · 6 km away
18. 2.06km ESE of Wofford Heights, CASun, May 7, 6:31 PM PDT · 17676 days ago · 7 km deep · 48 km away
19. 2.17km ESE of Wofford Heights, CASun, May 7, 6:34 PM PDT · 17676 days ago · 6 km deep · 47 km away
20. 1.710km ESE of Wofford Heights, CASun, May 7, 10:33 PM PDT · 17676 days ago · 6 km deep · 46 km away
21. 1.616km NNW of Grapevine, CAMon, May 8, 2:07 AM PDT · 17676 days ago · 6 km deep · 46 km away
22. 2.026km E of Kernville, CAMon, May 8, 11:37 AM PDT · 17675 days ago · 6 km deep · 65 km away
23. 2.314km NE of Kernville, CASun, May 14, 6:19 AM PDT · 17669 days ago · 4 km deep · 66 km away
24. 2.56km NNW of Little Lake, CASun, May 14, 1:12 PM PDT · 17669 days ago · 6 km deep · 98 km away
25. 2.118km NW of Tehachapi, CATue, May 16, 9:33 AM PDT · 17667 days ago · 5 km deep · 4 km away
26. 2.27km SW of Coso Junction, CAThu, May 18, 3:16 PM PDT · 17665 days ago · 6 km deep · 95 km away
27. 2.023km ENE of Arvin, CAFri, May 19, 12:49 AM PDT · 17665 days ago · 6 km deep · 1 km away
28. 2.06km SW of Shafter, CASat, May 20, 11:40 PM PDT · 17663 days ago · 6 km deep · 69 km away
29. 1.86km W of California City, CATue, May 23, 11:55 AM PDT · 17660 days ago · 6 km deep · 53 km away
30. 1.710km WNW of Neenach, CAWed, May 24, 4:44 AM PDT · 17659 days ago · 6 km deep · 55 km away
31. 1.512km SW of Lamont, CASat, May 27, 4:05 PM PDT · 17656 days ago · 6 km deep · 40 km away
32. 2.126km NE of Arvin, CASun, May 28, 2:52 PM PDT · 17655 days ago · 0 km deep · 10 km away
33. 1.819km SE of Arvin, CAThu, Jun 1, 8:27 PM PDT · 17651 days ago · 11 km deep · 26 km away
34. 2.917km ENE of Taft, CAFri, Jun 2, 7:39 AM PDT · 17650 days ago · 8 km deep · 65 km away
35. 2.217km SE of Bodfish, CAFri, Jun 2, 10:42 AM PDT · 17650 days ago · 14 km deep · 26 km away
36. 1.820km SSE of Bodfish, CASat, Jun 3, 9:19 AM PDT · 17649 days ago · 6 km deep · 21 km away
37. 1.810km SW of Agua Dulce, CATue, Jun 6, 3:37 AM PDT · 17646 days ago · 11 km deep · 98 km away
38. 2.417km SW of Arvin, CAWed, Jun 7, 7:47 PM PDT · 17645 days ago · 5 km deep · 40 km away
39. 1.711km SSE of Buttonwillow, CAThu, Jun 8, 2:33 AM PDT · 17644 days ago · 14 km deep · 76 km away
40. 1.516km SSW of Lamont, CAThu, Jun 8, 9:12 AM PDT · 17644 days ago · 7 km deep · 41 km away
41. 1.816km SSW of Lamont, CAThu, Jun 8, 9:12 AM PDT · 17644 days ago · 1 km deep · 40 km away
42. 2.46km W of Buttonwillow, CAFri, Jun 9, 1:57 AM PDT · 17644 days ago · 24 km deep · 86 km away
43. 2.612km W of Grapevine, CASat, Jun 10, 7:01 AM PDT · 17642 days ago · 7 km deep · 59 km away
44. 2.313km S of Bodfish, CASat, Jun 10, 7:10 PM PDT · 17642 days ago · 6 km deep · 21 km away

Before

1. 1.716km N of Castaic, CATue, Apr 11, 5:33 PM PST · 17702 days ago · 14 km deep · 74 km away
2. 1.915km N of Castaic, CATue, Apr 11, 1:52 PM PST · 17702 days ago · 14 km deep · 75 km away
3. 3.125km SSW of Bodfish, CASun, Apr 9, 8:00 AM PST · 17704 days ago · 1 km deep · 12 km away
4. 1.816km SSW of Neenach, CATue, Apr 4, 10:08 AM PST · 17709 days ago · 12 km deep · 74 km away
5. 1.81km NE of Frazier Park, CAFri, Mar 31, 3:23 PM PST · 17713 days ago · 12 km deep · 60 km away
6. 2.320km SSE of Bodfish, CAThu, Mar 30, 10:25 PM PST · 17714 days ago · 6 km deep · 20 km away
7. 2.36km NW of Boron, CAThu, Mar 30, 12:00 PM PST · 17714 days ago · 9 km deep · 87 km away
8. 2.617km SE of Arvin, CAWed, Mar 29, 5:21 PM PST · 17715 days ago · 6 km deep · 21 km away
9. 1.511km WSW of Grapevine, CAMon, Mar 27, 2:35 PM PST · 17717 days ago · 16 km deep · 59 km away
10. 1.919km SE of Bodfish, CASun, Mar 26, 7:32 AM PST · 17718 days ago · 5 km deep · 28 km away
11. 1.915km N of Kernville, CASat, Mar 25, 8:55 AM PST · 17719 days ago · 5 km deep · 67 km away
12. 2.423km NNE of Kernville, CAFri, Mar 24, 2:47 PM PST · 17720 days ago · 5 km deep · 76 km away
13. 1.54km N of Santa Clarita, CAFri, Mar 24, 2:58 AM PST · 17720 days ago · 19 km deep · 94 km away
14. 2.27km E of Santa Clarita, CAThu, Mar 23, 3:41 AM PST · 17721 days ago · 8 km deep · 99 km away
15. 2.73km SW of Lamont, CAWed, Mar 22, 10:29 PM PST · 17722 days ago · 7 km deep · 32 km away
16. 1.716km N of Pine Mountain Club, CAMon, Mar 20, 8:12 AM PST · 17724 days ago · 14 km deep · 62 km away
17. 2.418km NNW of Grapevine, CAMon, Mar 20, 6:02 AM PST · 17724 days ago · 6 km deep · 46 km away
18. 1.621km N of Tehachapi, CAMon, Mar 20, 12:30 AM PST · 17725 days ago · 6 km deep · 10 km away
19. 2.16km W of Little Lake, CASun, Mar 19, 7:34 PM PST · 17725 days ago · 6 km deep · 91 km away
20. 2.112km SE of Little Lake, CASat, Mar 18, 10:14 PM PST · 17726 days ago · 1 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3338766. Read Mon, Sep 28, 2026, 8:51 PM UTC.