M1.7 earthquake 22km NNW of Tehachapi, CA

Magnitude

1.7 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, May 23, 1977, 3:27 AM PDT

UTC

1977-05-23 10:27:01 UTC

Depth

5.9 km (3.7 mi), shallow

Epicenter

35.302° N, 118.581° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.6 km horizontally, 15.1 km in depth

Depth from

From location

Station coverage gap

161°

Stations used

7

• Bear Valley Springs, CaliforniaPopulation 5,172. Forecast16 kmNNE
• Tehachapi, CaliforniaPopulation 13,021. Forecast22 kmNNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast41 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast142 kmNNW

After

1. 2.416km SSW of Neenach, CAMon, May 23, 8:56 PM PDT · 18030 days ago · 11 km deep · 74 km away
2. 1.721km ENE of Grapevine, CAWed, May 25, 2:26 PM PDT · 18029 days ago · 6 km deep · 33 km away
3. 1.720km NNE of Ojai, CASat, May 28, 8:10 PM PDT · 18025 days ago · 0 km deep · 92 km away
4. 1.818km NW of Grapevine, CAMon, May 30, 6:59 AM PDT · 18024 days ago · 0 km deep · 49 km away
5. 2.816km NW of Grapevine, CAMon, May 30, 8:15 AM PDT · 18024 days ago · 0 km deep · 49 km away
6. 2.04km E of Santa Clarita, CAMon, May 30, 3:39 PM PDT · 18024 days ago · 12 km deep · 99 km away
7. 1.910km NNW of Kernville, CATue, May 31, 2:46 PM PDT · 18023 days ago · 6 km deep · 61 km away
8. 2.03km W of Bodfish, CAWed, Jun 1, 8:23 PM PDT · 18021 days ago · 6 km deep · 32 km away
9. 2.54km NE of Santa Clarita, CAThu, Jun 2, 4:13 AM PDT · 18021 days ago · 13 km deep · 96 km away
10. 1.87km NE of Grapevine, CAFri, Jun 3, 2:05 PM PDT · 18020 days ago · 12 km deep · 44 km away
11. 2.321km NNW of Tehachapi, CASat, Jun 4, 8:38 AM PDT · 18019 days ago · 6 km deep · 8 km away
12. 2.39km ESE of Bodfish, CASun, Jun 5, 7:49 AM PDT · 18018 days ago · 3 km deep · 32 km away
13. 1.727km SSW of Bodfish, CAWed, Jun 8, 6:06 PM PDT · 18014 days ago · 6 km deep · 6 km away
14. 1.620km NNW of Tehachapi, CAThu, Jun 9, 4:44 AM PDT · 18014 days ago · 6 km deep · 2 km away
15. 2.117km NNE of Inyokern, CAThu, Jun 9, 9:22 PM PDT · 18013 days ago · 0 km deep · 94 km away
16. 2.016km NNE of Inyokern, CAFri, Jun 10, 2:44 AM PDT · 18013 days ago · 0 km deep · 94 km away
17. 1.56km SSW of Frazier Park, CAFri, Jun 10, 5:16 AM PDT · 18013 days ago · 12 km deep · 68 km away
18. 1.517km NW of Grapevine, CASat, Jun 11, 2:02 PM PDT · 18012 days ago · 0 km deep · 51 km away
19. 2.18km N of Lamont, CASun, Jun 12, 11:08 PM PDT · 18010 days ago · 4 km deep · 31 km away
20. 1.713km NNE of Tehachapi, CATue, Jun 14, 3:15 PM PDT · 18009 days ago · 6 km deep · 21 km away
21. 1.513km WNW of Castaic, CATue, Jun 14, 10:46 PM PDT · 18008 days ago · 22 km deep · 85 km away
22. 2.616km WNW of Tehachapi, CASun, Jun 19, 6:56 AM PDT · 18004 days ago · 6 km deep · 13 km away
23. 1.511km NE of Pine Mountain Club, CASun, Jun 19, 1:46 PM PDT · 18004 days ago · 11 km deep · 61 km away
24. 1.611km ENE of Pine Mountain Club, CASun, Jun 19, 11:04 PM PDT · 18003 days ago · 17 km deep · 63 km away
25. 1.83km NNW of Frazier Park, CAWed, Jun 22, 2:32 AM PDT · 18001 days ago · 13 km deep · 61 km away
26. 1.716km SSW of Neenach, CAWed, Jun 22, 4:27 AM PDT · 18001 days ago · 13 km deep · 74 km away
27. 1.712km ESE of Buttonwillow, CASat, Jun 25, 3:27 PM PDT · 17998 days ago · 6 km deep · 70 km away
28. 2.019km E of Lake Isabella, CASun, Jun 26, 3:19 AM PDT · 17997 days ago · 6 km deep · 46 km away
29. 1.514km SSW of Neenach, CASun, Jun 26, 9:29 PM PDT · 17996 days ago · 6 km deep · 72 km away
30. 1.717km NW of Grapevine, CATue, Jun 28, 6:26 PM PDT · 17994 days ago · 6 km deep · 52 km away
31. 1.919km SE of Bodfish, CATue, Jun 28, 11:12 PM PDT · 17994 days ago · 6 km deep · 27 km away
32. 2.723km NNW of Tehachapi, CASat, Jul 2, 2:16 PM PDT · 17991 days ago · 1 km deep · 5 km away
33. 2.718km NNW of Grapevine, CASun, Jul 3, 1:51 PM PDT · 17990 days ago · 2 km deep · 47 km away
34. 2.717km NNW of Tehachapi, CATue, Jul 5, 7:18 PM PDT · 17987 days ago · 5 km deep · 5 km away
35. 1.616km N of Grapevine, CAWed, Jul 6, 12:00 AM PDT · 17987 days ago · 3 km deep · 42 km away
36. 1.818km NW of Grapevine, CASat, Jul 9, 5:06 PM PDT · 17983 days ago · 6 km deep · 54 km away
37. 2.19km NNE of Grapevine, CASun, Jul 10, 11:50 PM PDT · 17982 days ago · 9 km deep · 43 km away
38. 2.718km NW of Tehachapi, CATue, Jul 12, 8:00 AM PDT · 17981 days ago · 6 km deep · 5 km away
39. 1.820km NW of Tehachapi, CATue, Jul 12, 12:35 PM PDT · 17981 days ago · 5 km deep · 3 km away
40. 2.119km N of Pine Mountain Club, CAWed, Jul 13, 6:29 AM PDT · 17980 days ago · 1 km deep · 62 km away
41. 1.818km N of Pine Mountain Club, CAWed, Jul 13, 6:31 AM PDT · 17980 days ago · 6 km deep · 62 km away
42. 1.716km NW of Grapevine, CASat, Jul 16, 4:22 AM PDT · 17977 days ago · 3 km deep · 53 km away

Before

1. 1.718km ESE of Arvin, CAMon, May 23, 1:34 AM PDT · 18031 days ago · 6 km deep · 17 km away
2. 1.610km N of Fillmore, CASun, May 22, 4:34 PM PDT · 18031 days ago · 6 km deep · 96 km away
3. 2.426km WNW of Inyokern, CASun, May 22, 3:01 AM PDT · 18032 days ago · 6 km deep · 62 km away
4. 2.25km WNW of Coso Junction, CASat, May 21, 6:08 PM PDT · 18032 days ago · 6 km deep · 99 km away
5. 2.014km N of Pine Mountain Club, CAFri, May 20, 6:23 AM PDT · 18034 days ago · 5 km deep · 62 km away
6. 2.012km ESE of Bodfish, CAWed, May 18, 2:44 PM PDT · 18036 days ago · 6 km deep · 33 km away
7. 1.66km N of Frazier Park, CAWed, May 18, 1:27 PM PDT · 18036 days ago · 6 km deep · 58 km away
8. 1.77km W of Tehachapi, CAWed, May 18, 12:55 PM PDT · 18036 days ago · 3 km deep · 21 km away
9. 2.012km NNW of Ridgecrest, CASun, May 15, 8:29 AM PDT · 18039 days ago · 0 km deep · 91 km away
10. 2.45km S of Lamont, CASat, May 14, 7:41 PM PDT · 18039 days ago · 6 km deep · 32 km away
11. 1.98km ENE of Santa Clarita, CASat, May 14, 3:05 PM PDT · 18040 days ago · 6 km deep · 96 km away
12. 1.816km NNW of Grapevine, CASat, May 14, 11:20 AM PDT · 18040 days ago · 6 km deep · 47 km away
13. 1.618km N of Pine Mountain Club, CAFri, May 13, 5:46 AM PDT · 18041 days ago · 6 km deep · 60 km away
14. 1.74km NW of Grapevine, CAThu, May 12, 11:20 PM PDT · 18041 days ago · 16 km deep · 50 km away
15. 1.513km NNE of Ojai, CAThu, May 12, 6:25 PM PDT · 18041 days ago · 4 km deep · 99 km away
16. 2.11km SSE of Castaic, CAWed, May 11, 8:23 PM PDT · 18042 days ago · 3 km deep · 92 km away
17. 1.62km ESE of Castaic, CAWed, May 11, 7:55 PM PDT · 18042 days ago · 6 km deep · 91 km away
18. 1.714km SE of Arvin, CAWed, May 11, 1:06 PM PDT · 18043 days ago · 5 km deep · 26 km away
19. 2.225km S of Bodfish, CATue, May 10, 9:19 AM PDT · 18044 days ago · 0 km deep · 12 km away
20. 1.52km NW of Frazier Park, CASun, May 8, 3:35 AM PDT · 18046 days ago · 16 km deep · 62 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3333531. Read Sun, Oct 4, 2026, 10:57 AM UTC.