M1.9 earthquake 4km NNW of Grapevine, CA

Magnitude

1.9 (mc), micro

Local time

Thu, Jul 23, 1981, 9:36 PM PDT

UTC

1981-07-24 04:36:49 UTC

Depth

6.3 km (3.9 mi), shallow

Epicenter

34.981° N, 118.939° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 3.8 km in depth

Depth from

From location

Station coverage gap

137°

Stations used

10

• Lebec, CaliforniaPopulation 1,468. Forecast17 kmNNW
• Arvin, CaliforniaPopulation 20,876. Forecast27 kmSSW
• Bakersfield, CaliforniaPopulation 373,640. Forecast44 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast121 kmNNW

After

1. 1.67km WSW of Shafter, CAFri, Jul 24, 11:53 AM PDT · 16496 days ago · 5 km deep · 66 km away
2. 3.617km W of Tehachapi, CASat, Jul 25, 11:13 PM PDT · 16495 days ago · 2 km deep · 33 km away
3. 2.012km WSW of Ojai, CASun, Jul 26, 12:42 PM PDT · 16494 days ago · 11 km deep · 74 km away
4. 1.618km S of Carpinteria, CASun, Jul 26, 3:46 PM PDT · 16494 days ago · 3 km deep · 97 km away
5. 2.08km WSW of Ojai, CAMon, Jul 27, 4:29 AM PDT · 16493 days ago · 11 km deep · 71 km away
6. 1.613km NNE of Lamont, CAMon, Jul 27, 11:14 AM PDT · 16493 days ago · 5 km deep · 44 km away
7. 1.522km ENE of Santa Ynez, CATue, Jul 28, 8:36 PM PDT · 16492 days ago · 15 km deep · 90 km away
8. 2.218km W of Tehachapi, CATue, Jul 28, 9:05 PM PDT · 16492 days ago · 4 km deep · 32 km away
9. 2.013km WSW of Ojai, CAFri, Jul 31, 3:17 AM PDT · 16489 days ago · 15 km deep · 75 km away
10. 1.811km NNW of Grapevine, CAFri, Jul 31, 10:39 AM PDT · 16489 days ago · 3 km deep · 6 km away
11. 1.820km NW of Grapevine, CAFri, Jul 31, 10:42 AM PDT · 16489 days ago · 5 km deep · 17 km away
12. 1.910km ESE of Santa Clarita, CAFri, Jul 31, 2:30 PM PDT · 16489 days ago · 6 km deep · 81 km away
13. 1.56km W of Pine Mountain Club, CASat, Aug 1, 5:47 AM PDT · 16488 days ago · 10 km deep · 29 km away
14. 1.512km WSW of Ojai, CAMon, Aug 3, 3:48 PM PDT · 16486 days ago · 14 km deep · 74 km away
15. 1.54km NW of Frazier Park, CAMon, Aug 3, 7:02 PM PDT · 16486 days ago · 10 km deep · 15 km away
16. 1.72km SW of Kernville, CAMon, Aug 3, 10:55 PM PDT · 16486 days ago · 0 km deep · 96 km away
17. 1.515km NNE of Pine Mountain Club, CAWed, Aug 5, 9:42 PM PDT · 16484 days ago · 8 km deep · 16 km away
18. 1.78km ESE of Santa Clarita, CASat, Aug 8, 3:27 AM PDT · 16481 days ago · 7 km deep · 82 km away
19. 1.612km NW of Grapevine, CASat, Aug 8, 9:00 PM PDT · 16481 days ago · 5 km deep · 10 km away
20. 1.516km SE of Arvin, CASun, Aug 9, 10:52 AM PDT · 16480 days ago · 7 km deep · 28 km away
21. 1.618km N of Pine Mountain Club, CAMon, Aug 10, 7:49 PM PDT · 16479 days ago · 16 km deep · 19 km away
22. 2.54km NNW of Topanga, CAWed, Aug 12, 3:58 PM PDT · 16477 days ago · 4 km deep · 100 km away
23. 2.47km W of Delano, CAWed, Aug 19, 12:22 PM PDT · 16470 days ago · 5 km deep · 94 km away
24. 2.817km NNW of Tehachapi, CAWed, Aug 19, 1:51 PM PDT · 16470 days ago · 3 km deep · 50 km away
25. 1.515km SW of Carpinteria, CAWed, Aug 19, 3:54 PM PDT · 16470 days ago · 5 km deep · 98 km away
26. 1.517km NW of Grapevine, CAFri, Aug 21, 11:01 PM PDT · 16468 days ago · 5 km deep · 13 km away
27. 2.417km SSE of Carpinteria, CASat, Aug 22, 7:21 AM PDT · 16467 days ago · 5 km deep · 95 km away
28. 2.717km SSE of Carpinteria, CASat, Aug 22, 7:47 AM PDT · 16467 days ago · 5 km deep · 95 km away
29. 1.85km NW of Frazier Park, CASat, Aug 22, 10:07 AM PDT · 16467 days ago · 7 km deep · 15 km away
30. 2.520km S of Carpinteria, CASat, Aug 22, 2:39 PM PDT · 16467 days ago · 10 km deep · 99 km away
31. 1.78km SSE of Arvin, CASun, Aug 23, 5:25 PM PDT · 16466 days ago · 0 km deep · 22 km away
32. 2.710km SSE of Arvin, CAMon, Aug 24, 9:40 PM PDT · 16465 days ago · 6 km deep · 23 km away
33. 2.310km ESE of Santa Clarita, CATue, Aug 25, 10:33 AM PDT · 16464 days ago · 8 km deep · 81 km away
34. 1.911km NNE of Lake View Terrace, CATue, Aug 25, 3:14 PM PDT · 16464 days ago · 4 km deep · 89 km away
35. 1.521km NNW of Tehachapi, CAThu, Aug 27, 3:46 PM PDT · 16462 days ago · 5 km deep · 51 km away
36. 1.66km NNW of Frazier Park, CAFri, Aug 28, 12:48 PM PDT · 16461 days ago · 3 km deep · 12 km away
37. 2.67km ENE of Santa Clarita, CASat, Aug 29, 8:05 AM PDT · 16460 days ago · 9 km deep · 75 km away
38. 2.28km N of Santa Barbara, CAMon, Aug 31, 5:06 AM PDT · 16458 days ago · 4 km deep · 88 km away
39. 1.88km NW of Vincent, CAWed, Sep 2, 4:58 AM PDT · 16456 days ago · 3 km deep · 85 km away
40. 2.08km NW of Vincent, CAWed, Sep 2, 7:17 AM PDT · 16456 days ago · 3 km deep · 84 km away
41. 1.519km SSE of Carpinteria, CASun, Sep 6, 8:37 AM PDT · 16452 days ago · 15 km deep · 95 km away
42. 2.019km SSE of Carpinteria, CASun, Sep 6, 1:06 PM PDT · 16452 days ago · 12 km deep · 97 km away
43. 1.522km NNW of Tehachapi, CASun, Sep 6, 9:05 PM PDT · 16452 days ago · 4 km deep · 52 km away
44. 1.94km SSE of Carpinteria, CASun, Sep 13, 5:29 AM PDT · 16445 days ago · 0 km deep · 85 km away
45. 1.511km SE of Tehachapi, CATue, Sep 15, 6:51 PM PDT · 16443 days ago · 5 km deep · 53 km away
46. 2.85km NE of Simi Valley, CATue, Sep 15, 9:37 PM PDT · 16443 days ago · 17 km deep · 78 km away
47. 2.02km NNE of Simi Valley, CATue, Sep 15, 10:49 PM PDT · 16443 days ago · 24 km deep · 79 km away
48. 1.515km NW of Tehachapi, CAWed, Sep 16, 7:27 AM PDT · 16442 days ago · 7 km deep · 43 km away
49. 1.722km NW of Grapevine, CAWed, Sep 16, 7:01 PM PDT · 16442 days ago · 0 km deep · 19 km away
50. 1.510km ENE of Pine Mountain Club, CAWed, Sep 16, 10:58 PM PDT · 16442 days ago · 7 km deep · 14 km away
51. 1.616km NW of Tehachapi, CASat, Sep 19, 2:25 AM PDT · 16439 days ago · 6 km deep · 44 km away
52. 1.83km WNW of Bakersfield, CASat, Sep 19, 10:42 PM PDT · 16439 days ago · 5 km deep · 44 km away
53. 2.14km NNE of Simi Valley, CASat, Sep 19, 10:45 PM PDT · 16439 days ago · 20 km deep · 78 km away
54. 2.44km NNE of Simi Valley, CASun, Sep 20, 10:27 PM PDT · 16438 days ago · 21 km deep · 78 km away

Before

1. 1.88km ENE of Santa Clarita, CAThu, Jul 23, 9:08 PM PDT · 16497 days ago · 6 km deep · 76 km away
2. 1.723km NNW of Tehachapi, CAThu, Jul 23, 9:25 AM PDT · 16497 days ago · 5 km deep · 51 km away
3. 1.816km SW of Carpinteria, CAMon, Jul 20, 10:00 PM PDT · 16500 days ago · 10 km deep · 99 km away
4. 1.820km NW of Ojai, CAMon, Jul 20, 1:01 PM PDT · 16500 days ago · 7 km deep · 60 km away
5. 1.718km SSE of Carpinteria, CAMon, Jul 20, 9:16 AM PDT · 16500 days ago · 5 km deep · 96 km away
6. 1.55km WSW of Valencia, CASat, Jul 18, 9:08 PM PDT · 16502 days ago · 13 km deep · 68 km away
7. 1.618km N of Goleta, CASat, Jul 18, 1:54 PM PDT · 16502 days ago · -1 km deep · 91 km away
8. 1.611km N of Sunland, CAFri, Jul 17, 12:44 PM PDT · 16503 days ago · 4 km deep · 91 km away
9. 1.621km NNW of Tehachapi, CASun, Jul 12, 4:41 AM PDT · 16508 days ago · 5 km deep · 50 km away
10. 1.911km SE of Gorman, CASat, Jul 11, 3:29 PM PDT · 16509 days ago · 13 km deep · 33 km away
11. 2.418km WSW of Ventura, CAThu, Jul 9, 5:00 PM PDT · 16511 days ago · 3 km deep · 95 km away
12. 2.118km WSW of Ventura, CAThu, Jul 9, 4:59 PM PDT · 16511 days ago · 1 km deep · 95 km away
13. 1.718km WSW of Ventura, CAThu, Jul 9, 4:51 PM PDT · 16511 days ago · 5 km deep · 95 km away
14. 1.519km WSW of Ventura, CAThu, Jul 9, 4:44 PM PDT · 16511 days ago · 1 km deep · 95 km away
15. 2.417km NW of Tehachapi, CAThu, Jul 9, 1:32 PM PDT · 16511 days ago · 5 km deep · 42 km away
16. 2.417km SE of Arvin, CAThu, Jul 9, 8:52 AM PDT · 16511 days ago · 10 km deep · 26 km away
17. 1.719km WSW of Ventura, CAThu, Jul 9, 1:42 AM PDT · 16512 days ago · 2 km deep · 96 km away
18. 1.818km WSW of Ventura, CAThu, Jul 9, 1:34 AM PDT · 16512 days ago · 3 km deep · 95 km away
19. 1.720km WSW of Ventura, CAThu, Jul 9, 12:51 AM PDT · 16512 days ago · 2 km deep · 96 km away
20. 1.819km WSW of Ventura, CAThu, Jul 9, 12:46 AM PDT · 16512 days ago · 3 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci519874. Read Tue, Sep 22, 2026, 8:36 PM UTC.