M1.8 earthquake 20km NW of Tehachapi, CA

Magnitude

1.8 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Tue, Jul 12, 1977, 12:35 PM PDT

UTC

1977-07-12 19:35:31 UTC

Depth

4.8 km (3.0 mi), shallow

Epicenter

35.278° N, 118.576° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 1.4 km in depth

Depth from

From location

Station coverage gap

140°

Stations used

7

• Bear Valley Springs, CaliforniaPopulation 5,172. Forecast14 kmNNE
• Tehachapi, CaliforniaPopulation 13,021. Forecast20 kmNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast42 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast140 kmNNW

After

1. 2.119km N of Pine Mountain Club, CAWed, Jul 13, 6:29 AM PDT · 17980 days ago · 1 km deep · 61 km away
2. 1.818km N of Pine Mountain Club, CAWed, Jul 13, 6:31 AM PDT · 17980 days ago · 6 km deep · 61 km away
3. 1.716km NW of Grapevine, CASat, Jul 16, 4:22 AM PDT · 17977 days ago · 3 km deep · 52 km away
4. 1.88km E of Santa Clarita, CAWed, Jul 20, 6:35 PM PDT · 17972 days ago · 9 km deep · 97 km away
5. 2.216km WSW of Lake Hughes, CAFri, Jul 22, 8:12 PM PDT · 17970 days ago · 13 km deep · 72 km away
6. 1.722km NW of Grapevine, CAMon, Jul 25, 9:17 PM PDT · 17967 days ago · 6 km deep · 53 km away
7. 2.413km W of Coso Junction, CAThu, Jul 28, 8:58 PM PDT · 17964 days ago · 4 km deep · 97 km away
8. 1.810km SE of Pine Mountain Club, CAThu, Jul 28, 9:12 PM PDT · 17964 days ago · 6 km deep · 73 km away
9. 1.726km S of Bodfish, CASat, Jul 30, 3:33 AM PDT · 17963 days ago · 10 km deep · 10 km away
10. 2.09km WNW of Grapevine, CASat, Jul 30, 2:53 PM PDT · 17963 days ago · 10 km deep · 53 km away
11. 1.811km SSW of Agua Dulce, CASat, Jul 30, 8:48 PM PDT · 17962 days ago · 7 km deep · 100 km away
12. 1.96km NW of Little Lake, CAMon, Aug 1, 11:35 PM PDT · 17960 days ago · 2 km deep · 95 km away
13. 1.69km NNE of Santa Clarita, CAFri, Aug 5, 1:05 AM PDT · 17957 days ago · 10 km deep · 88 km away
14. 1.72km E of Vincent, CAFri, Aug 5, 3:53 AM PDT · 17957 days ago · 0 km deep · 97 km away
15. 1.915km NE of Inyokern, CAFri, Aug 5, 12:54 PM PDT · 17957 days ago · 2 km deep · 94 km away
16. 2.04km ESE of Wofford Heights, CASun, Aug 7, 4:12 AM PDT · 17955 days ago · 6 km deep · 48 km away
17. 1.58km ESE of Santa Clarita, CAMon, Aug 8, 1:16 PM PDT · 17954 days ago · 15 km deep · 99 km away
18. 1.515km NNE of Pine Mountain Club, CAMon, Aug 8, 4:15 PM PDT · 17954 days ago · 4 km deep · 59 km away
19. 1.517km W of Tehachapi, CAMon, Aug 8, 6:10 PM PDT · 17954 days ago · 7 km deep · 17 km away
20. 1.78km E of Pine Mountain Club, CATue, Aug 9, 9:45 AM PDT · 17953 days ago · 9 km deep · 65 km away
21. 2.221km NW of Tehachapi, CAWed, Aug 10, 11:04 PM PDT · 17951 days ago · 4 km deep · 1 km away
22. 1.96km ESE of Santa Clarita, CAThu, Aug 11, 8:29 PM PDT · 17950 days ago · 9 km deep · 99 km away
23. 1.96km SE of Santa Clarita, CAThu, Aug 11, 9:14 PM PDT · 17950 days ago · 11 km deep · 100 km away
24. 2.58km ESE of Lake Isabella, CAFri, Aug 12, 12:17 AM PDT · 17950 days ago · 5 km deep · 40 km away
25. 1.95km SE of Santa Clarita, CASat, Aug 13, 4:15 AM PDT · 17949 days ago · 12 km deep · 100 km away
26. 2.922km SSW of Little Lake, CASun, Aug 14, 7:05 PM PDT · 17947 days ago · 0 km deep · 74 km away
27. 2.513km S of Buttonwillow, CAMon, Aug 15, 9:41 AM PDT · 17947 days ago · 24 km deep · 79 km away
28. 1.77km WNW of Grapevine, CAMon, Aug 15, 9:03 PM PDT · 17946 days ago · 10 km deep · 52 km away
29. 3.514km SW of Arvin, CATue, Aug 16, 8:21 PM PDT · 17945 days ago · 9 km deep · 38 km away
30. 1.916km N of Santa Paula, CAThu, Aug 18, 7:13 AM PDT · 17944 days ago · 24 km deep · 98 km away
31. 1.515km N of Santa Paula, CAThu, Aug 18, 4:24 PM PDT · 17944 days ago · 16 km deep · 98 km away
32. 1.85km SE of Santa Clarita, CAFri, Aug 19, 12:24 AM PDT · 17943 days ago · 9 km deep · 100 km away
33. 1.814km SW of Lamont, CAFri, Aug 19, 5:58 PM PDT · 17943 days ago · 7 km deep · 41 km away
34. 2.415km ENE of Ojai, CASat, Aug 20, 6:14 PM PDT · 17942 days ago · 7 km deep · 100 km away
35. 1.818km NW of Grapevine, CAMon, Aug 22, 12:13 AM PDT · 17940 days ago · 13 km deep · 52 km away
36. 1.920km WNW of Johannesburg, CAWed, Aug 24, 7:49 PM PDT · 17937 days ago · 6 km deep · 69 km away
37. 2.57km W of Castaic, CAThu, Aug 25, 11:51 AM PDT · 17937 days ago · 11 km deep · 89 km away
38. 2.37km WSW of Castaic, CAFri, Aug 26, 11:11 AM PDT · 17936 days ago · 6 km deep · 90 km away
39. 2.99km ENE of Buttonwillow, CASat, Sep 3, 2:46 PM PDT · 17928 days ago · 3 km deep · 74 km away
40. 1.69km E of Santa Clarita, CAMon, Sep 5, 1:48 PM PDT · 17926 days ago · 6 km deep · 96 km away
41. 2.58km E of Santa Clarita, CATue, Sep 6, 3:13 PM PDT · 17925 days ago · 10 km deep · 96 km away
42. 2.717km ESE of Arvin, CAThu, Sep 8, 6:14 PM PDT · 17923 days ago · 6 km deep · 18 km away
43. 2.617km SSW of Lamont, CASat, Sep 10, 11:21 AM PDT · 17921 days ago · 3 km deep · 43 km away

Before

1. 2.718km NW of Tehachapi, CATue, Jul 12, 8:00 AM PDT · 17981 days ago · 6 km deep · 2 km away
2. 2.19km NNE of Grapevine, CASun, Jul 10, 11:50 PM PDT · 17982 days ago · 9 km deep · 42 km away
3. 1.818km NW of Grapevine, CASat, Jul 9, 5:06 PM PDT · 17984 days ago · 6 km deep · 53 km away
4. 1.616km N of Grapevine, CAWed, Jul 6, 12:00 AM PDT · 17987 days ago · 3 km deep · 40 km away
5. 2.717km NNW of Tehachapi, CATue, Jul 5, 7:18 PM PDT · 17987 days ago · 5 km deep · 3 km away
6. 2.718km NNW of Grapevine, CASun, Jul 3, 1:51 PM PDT · 17990 days ago · 2 km deep · 46 km away
7. 2.723km NNW of Tehachapi, CASat, Jul 2, 2:16 PM PDT · 17991 days ago · 1 km deep · 7 km away
8. 1.919km SE of Bodfish, CATue, Jun 28, 11:12 PM PDT · 17994 days ago · 6 km deep · 28 km away
9. 1.717km NW of Grapevine, CATue, Jun 28, 6:26 PM PDT · 17994 days ago · 6 km deep · 51 km away
10. 1.514km SSW of Neenach, CASun, Jun 26, 9:29 PM PDT · 17996 days ago · 6 km deep · 70 km away
11. 2.019km E of Lake Isabella, CASun, Jun 26, 3:19 AM PDT · 17997 days ago · 6 km deep · 48 km away
12. 1.712km ESE of Buttonwillow, CASat, Jun 25, 3:27 PM PDT · 17998 days ago · 6 km deep · 71 km away
13. 1.716km SSW of Neenach, CAWed, Jun 22, 4:27 AM PDT · 18001 days ago · 13 km deep · 71 km away
14. 1.83km NNW of Frazier Park, CAWed, Jun 22, 2:32 AM PDT · 18001 days ago · 13 km deep · 59 km away
15. 1.611km ENE of Pine Mountain Club, CASun, Jun 19, 11:04 PM PDT · 18003 days ago · 17 km deep · 61 km away
16. 1.511km NE of Pine Mountain Club, CASun, Jun 19, 1:46 PM PDT · 18004 days ago · 11 km deep · 60 km away
17. 2.616km WNW of Tehachapi, CASun, Jun 19, 6:56 AM PDT · 18004 days ago · 6 km deep · 11 km away
18. 1.513km WNW of Castaic, CATue, Jun 14, 10:46 PM PDT · 18008 days ago · 22 km deep · 83 km away
19. 1.713km NNE of Tehachapi, CATue, Jun 14, 3:15 PM PDT · 18009 days ago · 6 km deep · 20 km away
20. 2.18km N of Lamont, CASun, Jun 12, 11:08 PM PDT · 18010 days ago · 4 km deep · 32 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3333860. Read Sun, Oct 4, 2026, 12:44 PM UTC.