M1.8 earthquake 22km NNW of Tehachapi, CA

Magnitude

1.8 (mh), micro

Local time

Sat, Jan 20, 1979, 4:17 PM PST

UTC

1979-01-21 00:17:09 UTC

Depth

5.5 km (3.4 mi), shallow

Epicenter

35.321° N, 118.538° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 18.3 km in depth

Magnitude uncertainty

±0.26

Depth from

From location

Station coverage gap

137°

Stations used

7

• Bear Valley Springs, CaliforniaPopulation 5,172. Forecast20 kmNNE
• Tehachapi, CaliforniaPopulation 13,021. Forecast22 kmNNW
• Bakersfield, CaliforniaPopulation 373,640. Forecast44 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast144 kmN

After

1. 2.58km W of Delano, CASat, Jan 20, 5:16 PM PST · 17412 days ago · 6 km deep · 89 km away
2. 1.912km N of Ridgecrest, CASun, Jan 21, 6:09 AM PST · 17411 days ago · 5 km deep · 90 km away
3. 1.94km SE of Ridgecrest, CASun, Jan 21, 8:18 AM PST · 17411 days ago · 3 km deep · 86 km away
4. 2.019km ESE of Johannesburg, CASun, Jan 21, 12:59 PM PST · 17411 days ago · 6 km deep · 98 km away
5. 1.813km E of Maricopa, CAMon, Jan 22, 9:21 AM PST · 17410 days ago · 20 km deep · 71 km away
6. 1.913km ESE of Tehachapi, CAWed, Jan 24, 5:21 PM PST · 17408 days ago · 3 km deep · 33 km away
7. 2.59km SSE of McFarland, CASat, Jan 27, 10:48 PM PST · 17405 days ago · 18 km deep · 67 km away
8. 1.96km W of Grapevine, CASun, Jan 28, 4:30 AM PST · 17404 days ago · 15 km deep · 59 km away
9. 1.87km W of Grapevine, CAWed, Feb 7, 1:14 AM PST · 17395 days ago · 13 km deep · 61 km away
10. 1.518km ESE of Arvin, CASun, Feb 11, 9:40 AM PST · 17390 days ago · 7 km deep · 24 km away
11. 1.57km NW of Frazier Park, CAMon, Feb 12, 10:58 AM PST · 17389 days ago · 4 km deep · 65 km away
12. 1.92km E of Wofford Heights, CAThu, Feb 15, 2:04 PM PST · 17386 days ago · 3 km deep · 44 km away
13. 1.87km NE of Little Lake, CASat, Feb 17, 6:41 AM PST · 17384 days ago · 6 km deep · 96 km away
14. 1.718km ESE of Lake Isabella, CATue, Feb 20, 4:30 AM PST · 17381 days ago · 6 km deep · 31 km away
15. 2.07km W of Bodfish, CAWed, Feb 21, 9:35 AM PST · 17380 days ago · 5 km deep · 31 km away
16. 2.225km S of Bodfish, CAWed, Feb 21, 1:08 PM PST · 17380 days ago · 3 km deep · 5 km away
17. 2.118km NNW of Tehachapi, CAWed, Feb 21, 6:32 PM PST · 17380 days ago · 8 km deep · 6 km away
18. 1.79km WSW of Grapevine, CAThu, Feb 22, 3:07 PM PST · 17379 days ago · 15 km deep · 64 km away
19. 1.92km W of Wofford Heights, CASat, Feb 24, 6:56 AM PST · 17377 days ago · 6 km deep · 44 km away
20. 2.134km NNW of California City, CASun, Feb 25, 12:17 PM PST · 17376 days ago · 6 km deep · 39 km away
21. 1.64km SSE of Wofford Heights, CATue, Feb 27, 2:25 AM PST · 17375 days ago · 6 km deep · 40 km away
22. 2.614km ENE of Boron, CATue, Feb 27, 10:19 PM PST · 17374 days ago · 4 km deep · 97 km away
23. 2.18km NE of Little Lake, CAWed, Feb 28, 1:09 AM PST · 17374 days ago · 3 km deep · 97 km away
24. 1.721km N of Neenach, CAThu, Mar 1, 5:43 PM PST · 17372 days ago · 6 km deep · 40 km away
25. 2.428km ESE of Kernville, CAFri, Mar 2, 2:27 PM PST · 17371 days ago · 3 km deep · 55 km away
26. 1.84km NW of Wofford Heights, CASun, Mar 4, 9:21 PM PST · 17369 days ago · 5 km deep · 47 km away
27. 1.73km NW of Ridgecrest, CAMon, Mar 5, 4:09 AM PST · 17368 days ago · 3 km deep · 84 km away
28. 1.715km ENE of Boron, CAMon, Mar 5, 6:31 PM PST · 17368 days ago · 6 km deep · 98 km away
29. 2.410km NW of Lake Los Angeles, CAFri, Mar 9, 2:31 PM PST · 17364 days ago · 0 km deep · 92 km away
30. 2.04km W of Ridgecrest, CASun, Mar 11, 4:24 AM PST · 17362 days ago · 3 km deep · 81 km away
31. 2.111km NE of Little Lake, CASun, Mar 11, 4:40 PM PST · 17362 days ago · 6 km deep · 100 km away
32. 1.916km E of Little Lake, CAMon, Mar 12, 10:32 AM PST · 17361 days ago · 0 km deep · 98 km away
33. 2.318km ESE of Bodfish, CATue, Mar 13, 10:59 PM PST · 17360 days ago · 5 km deep · 29 km away
34. 1.918km ESE of Bodfish, CATue, Mar 13, 11:05 PM PST · 17360 days ago · 6 km deep · 29 km away
35. 1.812km W of Tehachapi, CAWed, Mar 14, 12:22 AM PST · 17360 days ago · 9 km deep · 19 km away
36. 2.119km ESE of Bodfish, CAWed, Mar 14, 8:07 PM PST · 17359 days ago · 5 km deep · 30 km away
37. 2.020km WSW of Bodfish, CAFri, Mar 16, 2:16 AM PST · 17358 days ago · 6 km deep · 30 km away
38. 2.320km SW of Little Lake, CAFri, Mar 16, 6:42 PM PST · 17357 days ago · 6 km deep · 69 km away
39. 1.924km NNW of Tehachapi, CASat, Mar 17, 11:17 AM PST · 17356 days ago · 0 km deep · 2 km away

Before

1. 2.516km NE of Boron, CAThu, Jan 18, 6:10 AM PST · 17414 days ago · 6 km deep · 97 km away
2. 2.326km WNW of Inyokern, CAWed, Jan 17, 10:38 PM PST · 17415 days ago · 6 km deep · 62 km away
3. 2.19km NNW of Kernville, CAWed, Jan 17, 4:49 PM PST · 17415 days ago · 4 km deep · 56 km away
4. 2.925km WNW of Inyokern, CAWed, Jan 17, 12:56 PM PST · 17415 days ago · 0 km deep · 62 km away
5. 2.119km NW of Grapevine, CAMon, Jan 15, 9:59 PM PST · 17417 days ago · 6 km deep · 55 km away
6. 2.810km WNW of Tehachapi, CASun, Jan 14, 5:10 PM PST · 17418 days ago · 9 km deep · 18 km away
7. 2.28km SSW of Little Lake, CASat, Jan 13, 12:27 PM PST · 17419 days ago · 9 km deep · 82 km away
8. 2.326km SW of Little Lake, CASat, Jan 13, 2:18 AM PST · 17420 days ago · 2 km deep · 63 km away
9. 2.723km WNW of Inyokern, CASat, Jan 13, 2:07 AM PST · 17420 days ago · 0 km deep · 62 km away
10. 3.023km WNW of Inyokern, CASat, Jan 13, 1:29 AM PST · 17420 days ago · 0 km deep · 62 km away
11. 1.57km ENE of Santa Clarita, CAFri, Jan 12, 2:03 AM PST · 17421 days ago · 6 km deep · 99 km away
12. 1.78km NE of Valencia, CASun, Jan 7, 5:33 AM PST · 17425 days ago · 14 km deep · 90 km away
13. 1.925km NE of Arvin, CASat, Jan 6, 4:58 PM PST · 17426 days ago · 6 km deep · 6 km away
14. 3.522km N of Pine Mountain Club, CAWed, Jan 3, 12:00 PM PST · 17429 days ago · 9 km deep · 64 km away
15. 3.311km N of Pine Mountain Club, CAWed, Jan 3, 5:36 AM PST · 17429 days ago · 1 km deep · 70 km away
16. 2.032km W of Coso Junction, CAMon, Jan 1, 10:41 PM PST · 17431 days ago · 3 km deep · 88 km away
17. 1.610km SE of Gorman, CAMon, Jan 1, 8:01 PM PST · 17431 days ago · 11 km deep · 68 km away
18. 3.010km N of Pine Mountain Club, CAMon, Jan 1, 12:38 PM PST · 17431 days ago · 0 km deep · 72 km away
19. 2.98km ESE of Bakersfield, CASun, Dec 31, 1:04 PM PST · 17432 days ago · 6 km deep · 38 km away
20. 2.320km N of Pine Mountain Club, CASat, Dec 30, 9:24 AM PST · 17433 days ago · 1 km deep · 65 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3345668. Read Tue, Sep 22, 2026, 11:27 PM UTC.