M1.7 earthquake 20km NNW of Tehachapi, CA

Magnitude

1.7 (mh), micro

Local time

Thu, Dec 1, 1977, 2:27 AM PST

UTC

1977-12-01 10:27:34 UTC

Depth

3.4 km (2.1 mi), shallow

Epicenter

35.285° N, 118.570° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 0.6 km in depth

Depth from

From location

Station coverage gap

237°, poorly surrounded by stations

Stations used

8

• Bear Valley Springs, CaliforniaPopulation 5,172. Forecast15 kmNNE
• Tehachapi, CaliforniaPopulation 13,021. Forecast20 kmNNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast42 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast140 kmNNW

After

1. 1.83km S of Valencia, CASun, Dec 4, 7:15 AM PST · 17824 days ago · 7 km deep · 96 km away
2. 1.88km NE of Grapevine, CATue, Dec 6, 12:42 AM PST · 17823 days ago · 13 km deep · 43 km away
3. 2.010km SW of Coso Junction, CAWed, Dec 7, 6:18 PM PST · 17821 days ago · 3 km deep · 91 km away
4. 1.611km WNW of Mojave, CAFri, Dec 9, 8:51 AM PST · 17819 days ago · 7 km deep · 33 km away
5. 1.99km SW of Agua Dulce, CASat, Dec 10, 11:57 AM PST · 17818 days ago · 10 km deep · 96 km away
6. 1.826km SSW of Bodfish, CASat, Dec 10, 5:11 PM PST · 17818 days ago · 6 km deep · 9 km away
7. 2.622km NNW of Tehachapi, CASun, Dec 11, 9:10 AM PST · 17817 days ago · 3 km deep · 4 km away
8. 1.76km WNW of Grapevine, CAMon, Dec 12, 9:19 PM PST · 17816 days ago · 12 km deep · 53 km away
9. 1.55km E of Piru, CATue, Dec 13, 3:29 AM PST · 17816 days ago · 13 km deep · 99 km away
10. 2.020km SE of Bodfish, CAWed, Dec 14, 2:51 PM PST · 17814 days ago · 6 km deep · 29 km away
11. 2.116km ESE of Maricopa, CAThu, Dec 15, 1:32 AM PST · 17814 days ago · 10 km deep · 70 km away
12. 1.510km NNE of Santa Clarita, CAFri, Dec 16, 6:41 PM PST · 17812 days ago · 3 km deep · 89 km away
13. 2.524km SSW of Bodfish, CATue, Dec 20, 2:11 AM PST · 17809 days ago · 2 km deep · 13 km away
14. 1.720km SW of Lamont, CAThu, Dec 22, 8:07 PM PST · 17806 days ago · 6 km deep · 48 km away
15. 1.511km SW of Valencia, CAFri, Dec 23, 5:34 PM PST · 17805 days ago · 27 km deep · 100 km away
16. 2.214km ENE of Ojai, CASat, Dec 24, 8:23 PM PST · 17804 days ago · 17 km deep · 99 km away
17. 1.925km NW of Grapevine, CAMon, Dec 26, 4:08 AM PST · 17803 days ago · 4 km deep · 55 km away
18. 1.515km WNW of Tehachapi, CASat, Dec 31, 10:43 AM PST · 17797 days ago · 5 km deep · 13 km away
19. 1.719km SSW of Lamont, CASun, Jan 1, 1:49 AM PST · 17797 days ago · 0 km deep · 45 km away
20. 2.78km ESE of Santa Clarita, CAWed, Jan 4, 12:50 PM PST · 17793 days ago · 6 km deep · 100 km away
21. 1.59km SSW of Agua Dulce, CAWed, Jan 4, 8:02 PM PST · 17793 days ago · 11 km deep · 99 km away
22. 1.87km ESE of Santa Clarita, CASat, Jan 7, 8:43 PM PST · 17790 days ago · 2 km deep · 99 km away
23. 2.07km ESE of Santa Clarita, CASat, Jan 7, 9:07 PM PST · 17790 days ago · 8 km deep · 99 km away
24. 2.07km ESE of Santa Clarita, CASun, Jan 8, 12:10 PM PST · 17789 days ago · 7 km deep · 99 km away
25. 2.122km NNW of Tehachapi, CASun, Jan 8, 7:46 PM PST · 17789 days ago · 6 km deep · 7 km away
26. 2.27km ESE of Santa Clarita, CAMon, Jan 9, 11:53 AM PST · 17788 days ago · 7 km deep · 100 km away
27. 2.510km E of Santa Clarita, CATue, Jan 10, 11:39 AM PST · 17787 days ago · 10 km deep · 97 km away
28. 2.438km WSW of Olancha, CAFri, Jan 13, 6:15 AM PST · 17785 days ago · 6 km deep · 96 km away
29. 2.137km WSW of Olancha, CAFri, Jan 13, 10:42 AM PST · 17784 days ago · 3 km deep · 95 km away
30. 1.917km ESE of Maricopa, CASat, Jan 14, 5:12 AM PST · 17784 days ago · 6 km deep · 69 km away
31. 3.417km SW of Little Lake, CASun, Jan 15, 1:47 AM PST · 17783 days ago · 2 km deep · 77 km away
32. 2.419km SE of Bodfish, CAWed, Jan 18, 1:18 AM PST · 17780 days ago · 5 km deep · 28 km away
33. 1.824km NE of Arvin, CAThu, Jan 19, 2:55 AM PST · 17779 days ago · 0 km deep · 12 km away
34. 1.712km NE of Tehachapi, CAFri, Jan 20, 2:23 PM PST · 17777 days ago · 6 km deep · 19 km away
35. 2.320km NW of Grapevine, CASat, Jan 21, 2:32 PM PST · 17776 days ago · 0 km deep · 49 km away
36. 2.510km E of Santa Clarita, CASat, Jan 21, 3:05 PM PST · 17776 days ago · 6 km deep · 97 km away
37. 2.813km SSW of Gorman, CATue, Jan 24, 4:26 AM PST · 17774 days ago · 8 km deep · 74 km away
38. 2.223km NE of Arvin, CAWed, Jan 25, 11:11 AM PST · 17772 days ago · 8 km deep · 14 km away
39. 1.510km E of Santa Clarita, CAThu, Jan 26, 3:29 AM PST · 17772 days ago · 8 km deep · 98 km away
40. 2.332km SE of Bodfish, CASat, Jan 28, 1:58 AM PST · 17770 days ago · 4 km deep · 33 km away

Before

1. 1.68km NE of Santa Clarita, CAMon, Nov 28, 8:34 PM PST · 17830 days ago · 12 km deep · 91 km away
2. 1.913km WNW of Grapevine, CAMon, Nov 28, 5:34 PM PST · 17830 days ago · 3 km deep · 56 km away
3. 1.713km SW of Gorman, CAMon, Nov 28, 12:48 AM PST · 17831 days ago · 9 km deep · 73 km away
4. 2.014km ESE of Johannesburg, CASat, Nov 26, 7:01 PM PST · 17832 days ago · 6 km deep · 96 km away
5. 1.58km ENE of Lebec, CAThu, Nov 24, 2:02 PM PST · 17834 days ago · 10 km deep · 50 km away
6. 1.924km NNW of Tehachapi, CAThu, Nov 24, 12:35 AM PST · 17835 days ago · 1 km deep · 4 km away
7. 2.217km SE of Little Lake, CAWed, Nov 23, 7:51 PM PST · 17835 days ago · 7 km deep · 97 km away
8. 1.823km S of Bodfish, CAWed, Nov 23, 8:54 AM PST · 17835 days ago · 6 km deep · 11 km away
9. 2.923km S of Bodfish, CAWed, Nov 23, 6:58 AM PST · 17836 days ago · 1 km deep · 14 km away
10. 2.116km ESE of Johannesburg, CATue, Nov 22, 3:16 AM PST · 17837 days ago · 6 km deep · 98 km away
11. 1.719km N of Pine Mountain Club, CAMon, Nov 21, 10:13 AM PST · 17837 days ago · 17 km deep · 60 km away
12. 1.611km ESE of Piru, CASun, Nov 20, 2:26 PM PST · 17838 days ago · 29 km deep · 100 km away
13. 1.716km SW of Arvin, CASun, Nov 20, 6:41 AM PST · 17839 days ago · 6 km deep · 40 km away
14. 1.924km S of Bodfish, CASat, Nov 19, 5:23 AM PST · 17840 days ago · 6 km deep · 14 km away
15. 1.78km E of Santa Clarita, CASat, Nov 19, 2:54 AM PST · 17840 days ago · 9 km deep · 97 km away
16. 1.624km S of Bodfish, CAFri, Nov 18, 1:42 PM PST · 17840 days ago · 0 km deep · 14 km away
17. 1.616km NW of Grapevine, CAFri, Nov 18, 2:48 AM PST · 17841 days ago · 1 km deep · 50 km away
18. 1.617km WNW of Tehachapi, CAThu, Nov 17, 8:18 PM PST · 17841 days ago · 9 km deep · 12 km away
19. 1.923km S of Bodfish, CAThu, Nov 17, 6:36 AM PST · 17842 days ago · 6 km deep · 13 km away
20. 1.51km NE of Castaic, CAThu, Nov 17, 12:47 AM PST · 17842 days ago · 4 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3336607. Read Wed, Sep 23, 2026, 2:44 AM UTC.