M1.5 earthquake 17km NW of Grapevine, CA

Magnitude

1.5 (mh), micro

Local time

Fri, Aug 21, 1981, 11:01 PM PDT

UTC

1981-08-22 06:01:04 UTC

Depth

4.6 km (2.8 mi), shallow

Epicenter

35.057° N, 119.050° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.9 km horizontally, 34.0 km in depth

Depth from

From location

Station coverage gap

151°

Stations used

9

• Weedpatch, CaliforniaPopulation 2,658. Forecast24 kmSSW
• Lamont, CaliforniaPopulation 15,120. Forecast26 kmSSW
• Bakersfield, CaliforniaPopulation 373,640. Forecast35 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast134 kmNNW

After

1. 2.417km SSE of Carpinteria, CASat, Aug 22, 7:21 AM PDT · 16468 days ago · 5 km deep · 98 km away
2. 2.717km SSE of Carpinteria, CASat, Aug 22, 7:47 AM PDT · 16468 days ago · 5 km deep · 98 km away
3. 1.85km NW of Frazier Park, CASat, Aug 22, 10:07 AM PDT · 16467 days ago · 7 km deep · 24 km away
4. 1.78km SSE of Arvin, CASun, Aug 23, 5:25 PM PDT · 16466 days ago · 0 km deep · 24 km away
5. 2.710km SSE of Arvin, CAMon, Aug 24, 9:40 PM PDT · 16465 days ago · 6 km deep · 27 km away
6. 2.310km ESE of Santa Clarita, CATue, Aug 25, 10:33 AM PDT · 16464 days ago · 8 km deep · 94 km away
7. 1.521km NNW of Tehachapi, CAThu, Aug 27, 3:46 PM PDT · 16462 days ago · 5 km deep · 53 km away
8. 1.66km NNW of Frazier Park, CAFri, Aug 28, 12:48 PM PDT · 16461 days ago · 3 km deep · 21 km away
9. 2.67km ENE of Santa Clarita, CASat, Aug 29, 8:05 AM PDT · 16461 days ago · 9 km deep · 88 km away
10. 2.28km N of Santa Barbara, CAMon, Aug 31, 5:06 AM PDT · 16459 days ago · 4 km deep · 86 km away
11. 1.88km NW of Vincent, CAWed, Sep 2, 4:58 AM PDT · 16457 days ago · 3 km deep · 98 km away
12. 2.08km NW of Vincent, CAWed, Sep 2, 7:17 AM PDT · 16457 days ago · 3 km deep · 97 km away
13. 1.519km SSE of Carpinteria, CASun, Sep 6, 8:37 AM PDT · 16453 days ago · 15 km deep · 98 km away
14. 2.019km SSE of Carpinteria, CASun, Sep 6, 1:06 PM PDT · 16452 days ago · 12 km deep · 100 km away
15. 1.522km NNW of Tehachapi, CASun, Sep 6, 9:05 PM PDT · 16452 days ago · 4 km deep · 54 km away
16. 1.94km SSE of Carpinteria, CASun, Sep 13, 5:29 AM PDT · 16446 days ago · 0 km deep · 87 km away
17. 1.511km SE of Tehachapi, CATue, Sep 15, 6:51 PM PDT · 16443 days ago · 5 km deep · 62 km away
18. 2.85km NE of Simi Valley, CATue, Sep 15, 9:37 PM PDT · 16443 days ago · 17 km deep · 89 km away
19. 2.02km NNE of Simi Valley, CATue, Sep 15, 10:49 PM PDT · 16443 days ago · 24 km deep · 90 km away
20. 1.515km NW of Tehachapi, CAWed, Sep 16, 7:27 AM PDT · 16443 days ago · 7 km deep · 48 km away
21. 1.722km NW of Grapevine, CAWed, Sep 16, 7:01 PM PDT · 16442 days ago · 0 km deep · 7 km away
22. 1.510km ENE of Pine Mountain Club, CAWed, Sep 16, 10:58 PM PDT · 16442 days ago · 7 km deep · 18 km away
23. 1.616km NW of Tehachapi, CASat, Sep 19, 2:25 AM PDT · 16440 days ago · 6 km deep · 48 km away
24. 1.83km WNW of Bakersfield, CASat, Sep 19, 10:42 PM PDT · 16439 days ago · 5 km deep · 35 km away
25. 2.14km NNE of Simi Valley, CASat, Sep 19, 10:45 PM PDT · 16439 days ago · 20 km deep · 89 km away
26. 2.44km NNE of Simi Valley, CASun, Sep 20, 10:27 PM PDT · 16438 days ago · 21 km deep · 89 km away
27. 1.94km SSW of Valencia, CAWed, Sep 23, 4:41 AM PDT · 16436 days ago · 14 km deep · 82 km away
28. 1.54km SW of Valencia, CAWed, Sep 23, 11:05 PM PDT · 16435 days ago · 17 km deep · 81 km away
29. 2.54km SSW of Valencia, CAFri, Sep 25, 5:18 PM PDT · 16433 days ago · 10 km deep · 82 km away
30. 1.523km WSW of Maricopa, CAFri, Sep 25, 6:39 PM PDT · 16433 days ago · 9 km deep · 53 km away
31. 1.523km NW of Grapevine, CASat, Sep 26, 7:33 PM PDT · 16432 days ago · 12 km deep · 8 km away
32. 1.95km ENE of Lamont, CASun, Sep 27, 3:45 PM PDT · 16431 days ago · 5 km deep · 30 km away
33. 1.627km SSW of Bodfish, CAMon, Sep 28, 9:57 PM PDT · 16430 days ago · 5 km deep · 54 km away
34. 1.56km ESE of Bodfish, CATue, Sep 29, 10:30 PM PDT · 16429 days ago · 3 km deep · 79 km away
35. 1.928km ESE of Lake Isabella, CATue, Sep 29, 11:10 PM PDT · 16429 days ago · 5 km deep · 96 km away
36. 1.54km SSW of Valencia, CAWed, Sep 30, 7:06 PM PDT · 16428 days ago · 16 km deep · 83 km away
37. 1.916km ESE of Pixley, CAThu, Oct 1, 7:08 PM PDT · 16427 days ago · 5 km deep · 93 km away
38. 1.515km ESE of Arvin, CASun, Oct 4, 3:54 AM PDT · 16425 days ago · 6 km deep · 37 km away
39. 1.521km SSE of Carpinteria, CAMon, Oct 5, 4:44 PM PDT · 16423 days ago · 12 km deep · 99 km away
40. 1.818km N of California City, CAWed, Oct 7, 8:08 PM PDT · 16421 days ago · 4 km deep · 97 km away
41. 1.616km NNW of Pine Mountain Club, CAFri, Oct 9, 9:15 AM PDT · 16419 days ago · 2 km deep · 14 km away
42. 1.813km NNW of Mojave, CAFri, Oct 9, 7:42 PM PDT · 16419 days ago · 5 km deep · 78 km away
43. 2.013km NNW of Mojave, CASun, Oct 11, 3:40 AM PDT · 16418 days ago · 5 km deep · 77 km away
44. 2.07km SE of Santa Clarita, CAWed, Oct 14, 3:56 AM PDT · 16415 days ago · 11 km deep · 93 km away
45. 1.82km NNE of Grapevine, CAFri, Oct 16, 4:54 AM PDT · 16413 days ago · 13 km deep · 16 km away
46. 2.313km SSE of Bodfish, CASat, Oct 17, 4:03 AM PDT · 16412 days ago · 2 km deep · 73 km away
47. 1.812km NNE of Grapevine, CASat, Oct 17, 8:47 PM PDT · 16411 days ago · 3 km deep · 13 km away
48. 1.923km ENE of Arvin, CAMon, Oct 19, 6:37 AM PDT · 16410 days ago · 4 km deep · 49 km away

Before

1. 1.515km SW of Carpinteria, CAWed, Aug 19, 3:54 PM PDT · 16470 days ago · 5 km deep · 99 km away
2. 2.817km NNW of Tehachapi, CAWed, Aug 19, 1:51 PM PDT · 16470 days ago · 3 km deep · 54 km away
3. 2.47km W of Delano, CAWed, Aug 19, 12:22 PM PDT · 16470 days ago · 5 km deep · 82 km away
4. 1.618km N of Pine Mountain Club, CAMon, Aug 10, 7:49 PM PDT · 16479 days ago · 16 km deep · 10 km away
5. 1.516km SE of Arvin, CASun, Aug 9, 10:52 AM PDT · 16480 days ago · 7 km deep · 34 km away
6. 1.612km NW of Grapevine, CASat, Aug 8, 9:00 PM PDT · 16481 days ago · 5 km deep · 5 km away
7. 1.78km ESE of Santa Clarita, CASat, Aug 8, 3:27 AM PDT · 16482 days ago · 7 km deep · 94 km away
8. 1.515km NNE of Pine Mountain Club, CAWed, Aug 5, 9:42 PM PDT · 16484 days ago · 8 km deep · 11 km away
9. 1.72km SW of Kernville, CAMon, Aug 3, 10:55 PM PDT · 16486 days ago · 0 km deep · 94 km away
10. 1.54km NW of Frazier Park, CAMon, Aug 3, 7:02 PM PDT · 16486 days ago · 10 km deep · 24 km away
11. 1.512km WSW of Ojai, CAMon, Aug 3, 3:48 PM PDT · 16486 days ago · 14 km deep · 77 km away
12. 1.56km W of Pine Mountain Club, CASat, Aug 1, 5:47 AM PDT · 16489 days ago · 10 km deep · 28 km away
13. 1.910km ESE of Santa Clarita, CAFri, Jul 31, 2:30 PM PDT · 16489 days ago · 6 km deep · 94 km away
14. 1.820km NW of Grapevine, CAFri, Jul 31, 10:42 AM PDT · 16489 days ago · 5 km deep · 4 km away
15. 1.811km NNW of Grapevine, CAFri, Jul 31, 10:39 AM PDT · 16489 days ago · 3 km deep · 8 km away
16. 2.013km WSW of Ojai, CAFri, Jul 31, 3:17 AM PDT · 16490 days ago · 15 km deep · 78 km away
17. 2.218km W of Tehachapi, CATue, Jul 28, 9:05 PM PDT · 16492 days ago · 4 km deep · 38 km away
18. 1.522km ENE of Santa Ynez, CATue, Jul 28, 8:36 PM PDT · 16492 days ago · 15 km deep · 85 km away
19. 1.613km NNE of Lamont, CAMon, Jul 27, 11:14 AM PDT · 16493 days ago · 5 km deep · 39 km away
20. 2.08km WSW of Ojai, CAMon, Jul 27, 4:29 AM PDT · 16494 days ago · 11 km deep · 74 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci521539. Read Wed, Sep 23, 2026, 3:31 AM UTC.