M1.7 earthquake 19km NW of Grapevine, CA

Magnitude

1.7 (mc), micro

Local time

Sat, Feb 28, 1981, 1:04 PM PST

UTC

1981-02-28 21:04:33 UTC

Depth

9.8 km (6.1 mi), shallow

Epicenter

35.056° N, 119.091° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 6.7 km horizontally, 28.4 km in depth

Depth from

From location

Station coverage gap

124°

Stations used

5

• Pine Mountain Club, CaliforniaPopulation 2,315. Forecast24 kmNNE
• Lamont, CaliforniaPopulation 15,120. Forecast28 kmSW
• Bakersfield, CaliforniaPopulation 373,640. Forecast36 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast136 kmNW

After

1. 2.919km WSW of Maricopa, CASat, Feb 28, 7:02 PM PST · 16648 days ago · -1 km deep · 46 km away
2. 2.024km S of Bodfish, CASun, Mar 1, 4:57 AM PST · 16648 days ago · 3 km deep · 66 km away
3. 2.04km SE of Santa Clarita, CASun, Mar 1, 10:28 AM PST · 16648 days ago · 13 km deep · 92 km away
4. 1.723km NW of Grapevine, CAMon, Mar 2, 5:32 AM PST · 16647 days ago · 5 km deep · 4 km away
5. 2.315km SSW of Tehachapi, CAFri, Mar 6, 1:35 PM PST · 16642 days ago · 4 km deep · 53 km away
6. 2.522km SW of Lamont, CASat, Mar 7, 9:31 AM PST · 16642 days ago · -1 km deep · 7 km away
7. 2.47km SW of Santa Clarita, CASat, Mar 7, 4:16 PM PST · 16641 days ago · -1 km deep · 90 km away
8. 1.718km ENE of Grapevine, CATue, Mar 10, 12:43 AM PST · 16639 days ago · 3 km deep · 33 km away
9. 1.711km SSW of Bodfish, CATue, Mar 10, 6:36 AM PST · 16639 days ago · 0 km deep · 71 km away
10. 1.921km E of Lake Isabella, CAWed, Mar 11, 11:29 AM PST · 16638 days ago · 5 km deep · 99 km away
11. 2.122km NE of Arvin, CASun, Mar 15, 8:27 PM PST · 16633 days ago · 4 km deep · 51 km away
12. 1.614km SSE of Santa Barbara, CAMon, Mar 16, 3:52 AM PST · 16633 days ago · 5 km deep · 97 km away
13. 1.611km S of Montecito, CAMon, Mar 16, 4:24 AM PST · 16633 days ago · 5 km deep · 94 km away
14. 1.74km SW of Valencia, CAWed, Mar 18, 2:16 AM PST · 16631 days ago · 2 km deep · 83 km away
15. 1.75km NE of Oxnard, CAWed, Mar 18, 6:06 PM PST · 16630 days ago · 6 km deep · 92 km away
16. 1.823km SW of Maricopa, CAFri, Mar 20, 3:02 AM PST · 16629 days ago · 4 km deep · 45 km away
17. 2.05km NW of Castaic, CAFri, Mar 20, 6:38 AM PST · 16629 days ago · 5 km deep · 72 km away
18. 1.815km NE of Lamont, CAWed, Mar 25, 2:29 AM PST · 16624 days ago · 1 km deep · 43 km away
19. 1.68km NE of Santa Clarita, CAWed, Apr 1, 8:06 AM PST · 16617 days ago · 14 km deep · 87 km away
20. 1.514km SSW of Tehachapi, CAThu, Apr 2, 4:53 AM PST · 16616 days ago · 5 km deep · 56 km away
21. 1.526km NE of Arvin, CAFri, Apr 3, 10:39 AM PST · 16615 days ago · 5 km deep · 55 km away
22. 1.54km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16613 days ago · 17 km deep · 96 km away
23. 2.12km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16613 days ago · 24 km deep · 97 km away
24. 2.025km SSW of Bodfish, CAMon, Apr 6, 5:42 PM PST · 16611 days ago · 0 km deep · 60 km away
25. 1.58km NW of Kernville, CATue, Apr 7, 3:32 AM PST · 16611 days ago · 5 km deep · 98 km away
26. 3.125km N of Tehachapi, CASat, Apr 11, 1:47 PM PST · 16606 days ago · 0 km deep · 64 km away
27. 1.725km SSW of Bodfish, CAMon, Apr 13, 11:46 PM PST · 16604 days ago · 6 km deep · 59 km away
28. 1.512km NW of Fillmore, CATue, Apr 14, 5:23 PM PST · 16603 days ago · 4 km deep · 65 km away
29. 2.018km N of Pine Mountain Club, CATue, Apr 14, 8:29 PM PST · 16603 days ago · 1 km deep · 6 km away
30. 2.122km N of Los Olivos, CAWed, Apr 15, 11:01 PM PST · 16602 days ago · 1 km deep · 92 km away
31. 2.122km NNW of Tehachapi, CAThu, Apr 16, 2:26 PM PST · 16601 days ago · 5 km deep · 61 km away
32. 2.923km NNW of Tehachapi, CAFri, Apr 17, 11:31 AM PST · 16600 days ago · -1 km deep · 55 km away
33. 1.921km NNW of Tehachapi, CASat, Apr 18, 5:03 AM PST · 16600 days ago · 4 km deep · 60 km away
34. 1.622km NNW of Tehachapi, CAMon, Apr 20, 9:34 PM PST · 16597 days ago · 0 km deep · 55 km away
35. 1.719km SSE of Arvin, CATue, Apr 21, 9:06 PM PST · 16596 days ago · 9 km deep · 33 km away
36. 1.511km NW of Fillmore, CAWed, Apr 22, 1:22 AM PST · 16596 days ago · 1 km deep · 65 km away
37. 1.619km SSW of Lamont, CAWed, Apr 22, 9:24 AM PST · 16596 days ago · 2 km deep · 10 km away
38. 2.08km SE of Lake Isabella, CAThu, Apr 23, 6:52 AM PST · 16595 days ago · 4 km deep · 85 km away
39. 1.84km ESE of Bodfish, CAThu, Apr 23, 6:53 AM PST · 16595 days ago · 4 km deep · 82 km away
40. 2.019km NW of Grapevine, CASat, Apr 25, 12:09 AM PST · 16593 days ago · -1 km deep · 0 km away
41. 2.421km NNW of Tehachapi, CASat, Apr 25, 7:21 AM PST · 16593 days ago · 4 km deep · 61 km away
42. 2.715km E of Lake Isabella, CATue, Apr 28, 2:54 PM PDT · 16589 days ago · 2 km deep · 95 km away
43. 1.614km E of Lake Isabella, CATue, Apr 28, 3:20 PM PDT · 16589 days ago · 4 km deep · 95 km away
44. 1.55km ESE of Santa Clarita, CAWed, Apr 29, 1:18 AM PDT · 16589 days ago · 15 km deep · 94 km away
45. 2.020km SSE of Carpinteria, CAWed, Apr 29, 11:54 AM PDT · 16589 days ago · 12 km deep · 98 km away
46. 1.720km SSE of Carpinteria, CAWed, Apr 29, 12:15 PM PDT · 16589 days ago · 15 km deep · 98 km away

Before

1. 1.63km NNW of Lamont, CASat, Feb 28, 6:12 AM PST · 16649 days ago · 3 km deep · 29 km away
2. 1.719km NNW of Tehachapi, CAThu, Feb 26, 5:09 AM PST · 16651 days ago · -1 km deep · 59 km away
3. 1.914km NNE of Taft, CAWed, Feb 25, 2:45 PM PST · 16651 days ago · 5 km deep · 34 km away
4. 1.714km NNE of Taft, CAWed, Feb 25, 10:25 AM PST · 16652 days ago · 8 km deep · 34 km away
5. 2.110km SW of Agua Dulce, CASat, Feb 21, 5:46 PM PST · 16655 days ago · 11 km deep · 95 km away
6. 1.722km NNW of Tehachapi, CAFri, Feb 20, 3:57 PM PST · 16656 days ago · 5 km deep · 59 km away
7. 1.719km NNW of Grapevine, CATue, Feb 17, 3:24 AM PST · 16660 days ago · 5 km deep · 6 km away
8. 2.117km NW of Grapevine, CAMon, Feb 16, 8:34 PM PST · 16660 days ago · -1 km deep · 2 km away
9. 1.618km WSW of Ventura, CASun, Feb 15, 5:27 AM PST · 16662 days ago · 5 km deep · 98 km away
10. 2.05km SSE of Delano, CAThu, Feb 12, 10:55 PM PST · 16664 days ago · 5 km deep · 75 km away
11. 2.217km NW of Grapevine, CAThu, Feb 12, 9:02 PM PST · 16664 days ago · 5 km deep · 2 km away
12. 2.113km SSW of Arvin, CAThu, Feb 12, 7:45 AM PST · 16665 days ago · -1 km deep · 19 km away
13. 1.613km SW of Arvin, CAThu, Feb 12, 6:48 AM PST · 16665 days ago · 5 km deep · 17 km away
14. 1.613km SW of Arvin, CAWed, Feb 11, 7:59 AM PST · 16666 days ago · 5 km deep · 17 km away
15. 1.71km ESE of Wofford Heights, CAWed, Feb 4, 5:14 AM PST · 16673 days ago · 2 km deep · 93 km away
16. 1.87km NNE of Grapevine, CAWed, Feb 4, 12:48 AM PST · 16673 days ago · 11 km deep · 19 km away
17. 1.56km NNE of Grapevine, CATue, Feb 3, 2:12 AM PST · 16674 days ago · 13 km deep · 17 km away
18. 2.136km ESE of Bodfish, CAMon, Feb 2, 12:08 PM PST · 16674 days ago · 5 km deep · 95 km away
19. 1.935km ESE of Bodfish, CASun, Feb 1, 10:41 PM PST · 16675 days ago · 5 km deep · 94 km away
20. 1.517km NW of Grapevine, CASun, Feb 1, 5:11 PM PST · 16675 days ago · 5 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci531307. Read Tue, Sep 29, 2026, 7:00 AM UTC.