M2.3 earthquake 20km NW of Grapevine, CA

Magnitude

2.3 (mh), micro

Local time

Sat, Jan 21, 1978, 2:32 PM PST

UTC

1978-01-21 22:32:06 UTC

Depth

0.0 km (0.0 mi), shallow

Epicenter

35.093° N, 119.056° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 2.1 km in depth

Magnitude uncertainty

±0.37

Depth from

From location

Station coverage gap

103°

Stations used

17

• Greenfield, CaliforniaPopulation 3,991. Forecast20 kmSSW
• Lamont, CaliforniaPopulation 15,120. Forecast23 kmSW
• Bakersfield, CaliforniaPopulation 373,640. Forecast31 kmS
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast138 kmNNW

After

1. 2.510km E of Santa Clarita, CASat, Jan 21, 3:05 PM PST · 17784 days ago · 6 km deep · 95 km away
2. 2.813km SSW of Gorman, CATue, Jan 24, 4:26 AM PST · 17782 days ago · 8 km deep · 46 km away
3. 2.223km NE of Arvin, CAWed, Jan 25, 11:11 AM PST · 17780 days ago · 8 km deep · 47 km away
4. 1.510km E of Santa Clarita, CAThu, Jan 26, 3:29 AM PST · 17780 days ago · 8 km deep · 96 km away
5. 2.332km SE of Bodfish, CASat, Jan 28, 1:58 AM PST · 17778 days ago · 4 km deep · 82 km away
6. 1.614km W of Ventura, CASun, Jan 29, 8:40 AM PST · 17776 days ago · 11 km deep · 96 km away
7. 1.88km NNW of Granada Hills, CASun, Jan 29, 7:36 PM PST · 17776 days ago · 7 km deep · 97 km away
8. 1.98km NNW of Granada Hills, CASun, Jan 29, 7:37 PM PST · 17776 days ago · 4 km deep · 97 km away
9. 1.87km NNW of Granada Hills, CASun, Jan 29, 8:32 PM PST · 17776 days ago · 5 km deep · 98 km away
10. 1.66km N of Granada Hills, CASun, Jan 29, 8:32 PM PST · 17776 days ago · 15 km deep · 99 km away
11. 1.813km W of Ventura, CAMon, Jan 30, 5:57 AM PST · 17776 days ago · 3 km deep · 97 km away
12. 1.810km SSW of Agua Dulce, CAWed, Feb 1, 10:11 AM PST · 17773 days ago · 7 km deep · 98 km away
13. 1.611km WSW of Ojai, CAThu, Feb 2, 1:32 AM PST · 17773 days ago · 4 km deep · 79 km away
14. 1.820km E of Maricopa, CAThu, Feb 2, 2:45 PM PST · 17772 days ago · 6 km deep · 12 km away
15. 1.633km S of Simmler, CASat, Feb 4, 5:41 PM PST · 17770 days ago · 6 km deep · 87 km away
16. 1.618km NNW of Tehachapi, CASun, Feb 5, 4:07 AM PST · 17770 days ago · 6 km deep · 50 km away
17. 1.717km NW of Grapevine, CASun, Feb 5, 7:34 AM PST · 17769 days ago · 6 km deep · 4 km away
18. 1.815km NW of Grapevine, CASun, Feb 5, 11:43 AM PST · 17769 days ago · 6 km deep · 6 km away
19. 2.316km ESE of Arvin, CAMon, Feb 6, 12:36 AM PST · 17769 days ago · 10 km deep · 36 km away
20. 1.620km NNW of Tehachapi, CAMon, Feb 6, 4:16 AM PST · 17769 days ago · 4 km deep · 51 km away
21. 1.79km SE of Bodfish, CAWed, Feb 8, 4:02 AM PST · 17767 days ago · 6 km deep · 76 km away
22. 1.710km ESE of Lake Isabella, CAWed, Feb 8, 9:42 AM PST · 17766 days ago · 1 km deep · 82 km away
23. 2.010km SSW of Valencia, CAWed, Feb 8, 11:12 AM PST · 17766 days ago · 3 km deep · 90 km away
24. 1.710km ESE of Lake Isabella, CAWed, Feb 8, 11:16 AM PST · 17766 days ago · 0 km deep · 82 km away
25. 1.67km NE of Kernville, CAWed, Feb 8, 11:18 AM PST · 17766 days ago · 6 km deep · 100 km away
26. 1.89km SE of Lake Isabella, CAWed, Feb 8, 12:28 PM PST · 17766 days ago · 0 km deep · 80 km away
27. 1.66km SE of Bodfish, CAWed, Feb 8, 5:14 PM PST · 17766 days ago · 6 km deep · 75 km away
28. 2.511km ENE of Lebec, CAWed, Feb 8, 7:47 PM PST · 17766 days ago · 3 km deep · 35 km away
29. 1.98km N of Grapevine, CAFri, Feb 10, 1:40 PM PST · 17764 days ago · 7 km deep · 14 km away
30. 1.722km SE of Arvin, CASun, Feb 12, 1:06 AM PST · 17763 days ago · 11 km deep · 35 km away
31. 1.67km E of Santa Clarita, CAMon, Feb 13, 6:54 AM PST · 17761 days ago · 12 km deep · 94 km away
32. 1.717km N of Mojave, CAMon, Feb 13, 8:03 AM PST · 17761 days ago · 6 km deep · 82 km away
33. 2.23km S of Bodfish, CAFri, Feb 17, 5:57 AM PST · 17758 days ago · 6 km deep · 73 km away
34. 2.35km SSE of Bodfish, CAFri, Feb 17, 9:27 PM PST · 17757 days ago · 6 km deep · 74 km away
35. 2.23km S of Ojai, CASun, Feb 19, 8:14 PM PST · 17755 days ago · 2 km deep · 77 km away
36. 1.78km E of Buttonwillow, CAWed, Feb 22, 4:16 AM PST · 17753 days ago · 6 km deep · 45 km away
37. 2.29km NNE of Grapevine, CAWed, Feb 22, 6:43 AM PST · 17752 days ago · 12 km deep · 18 km away
38. 2.04km S of Valencia, CASun, Feb 26, 4:27 PM PST · 17748 days ago · 4 km deep · 87 km away
39. 1.518km SSW of Gorman, CASun, Feb 26, 10:58 PM PST · 17748 days ago · 12 km deep · 49 km away
40. 1.919km SE of Bodfish, CATue, Feb 28, 5:25 AM PST · 17747 days ago · 6 km deep · 76 km away
41. 2.318km NW of Tehachapi, CATue, Feb 28, 4:22 PM PST · 17746 days ago · 4 km deep · 47 km away
42. 2.44km ESE of Goleta, CAWed, Mar 1, 12:34 PM PST · 17745 days ago · 13 km deep · 100 km away
43. 1.99km SW of Shafter, CAWed, Mar 1, 1:15 PM PST · 17745 days ago · 6 km deep · 48 km away
44. 1.514km N of Pine Mountain Club, CAFri, Mar 3, 3:30 PM PST · 17743 days ago · 6 km deep · 15 km away
45. 2.324km NE of Arvin, CASat, Mar 4, 10:27 AM PST · 17742 days ago · 6 km deep · 48 km away
46. 2.014km N of Grapevine, CAMon, Mar 6, 5:22 AM PST · 17741 days ago · 11 km deep · 13 km away
47. 1.917km NE of Lamont, CATue, Mar 7, 9:46 AM PST · 17739 days ago · 6 km deep · 39 km away
48. 1.65km ESE of Santa Paula, CATue, Mar 7, 8:40 PM PST · 17739 days ago · 20 km deep · 85 km away
49. 2.010km SSE of Tehachapi, CATue, Mar 7, 9:31 PM PST · 17739 days ago · 3 km deep · 58 km away
50. 2.16km SSE of Shafter, CAThu, Mar 9, 1:25 PM PST · 17737 days ago · 6 km deep · 44 km away
51. 2.67km NNE of Santa Clarita, CAFri, Mar 10, 12:33 AM PST · 17737 days ago · 13 km deep · 88 km away
52. 2.56km ENE of Shafter, CAFri, Mar 10, 11:47 AM PST · 17736 days ago · 6 km deep · 49 km away
53. 1.613km N of Pine Mountain Club, CAMon, Mar 13, 11:54 AM PST · 17733 days ago · 4 km deep · 16 km away
54. 2.612km WSW of Grapevine, CAMon, Mar 13, 10:32 PM PST · 17733 days ago · 13 km deep · 19 km away
55. 1.77km E of Santa Clarita, CAWed, Mar 15, 12:19 PM PST · 17731 days ago · 12 km deep · 95 km away
56. 1.99km SSE of Shafter, CAWed, Mar 15, 1:32 PM PST · 17731 days ago · 6 km deep · 41 km away
57. 2.521km N of Tehachapi, CASat, Mar 18, 12:20 AM PST · 17729 days ago · 1 km deep · 57 km away
58. 3.522km NNW of Tehachapi, CASat, Mar 18, 12:20 AM PST · 17729 days ago · 0 km deep · 56 km away
59. 1.724km NNW of Tehachapi, CASat, Mar 18, 1:24 AM PST · 17729 days ago · 6 km deep · 56 km away
60. 1.824km NNW of Tehachapi, CASat, Mar 18, 1:45 AM PST · 17729 days ago · 3 km deep · 57 km away

The first 60 of 66.

Before

1. 1.712km NE of Tehachapi, CAFri, Jan 20, 2:23 PM PST · 17785 days ago · 6 km deep · 64 km away
2. 1.68km N of Santa Paula, CAThu, Jan 19, 4:29 PM PST · 17786 days ago · 1 km deep · 74 km away
3. 1.824km NE of Arvin, CAThu, Jan 19, 2:55 AM PST · 17787 days ago · 0 km deep · 48 km away
4. 2.419km SE of Bodfish, CAWed, Jan 18, 1:18 AM PST · 17788 days ago · 5 km deep · 76 km away
5. 1.917km ESE of Maricopa, CASat, Jan 14, 5:12 AM PST · 17792 days ago · 6 km deep · 20 km away
6. 2.510km E of Santa Clarita, CATue, Jan 10, 11:39 AM PST · 17795 days ago · 10 km deep · 96 km away
7. 2.27km ESE of Santa Clarita, CAMon, Jan 9, 11:53 AM PST · 17796 days ago · 7 km deep · 96 km away
8. 2.122km NNW of Tehachapi, CASun, Jan 8, 7:46 PM PST · 17797 days ago · 6 km deep · 56 km away
9. 2.07km ESE of Santa Clarita, CASun, Jan 8, 12:10 PM PST · 17797 days ago · 7 km deep · 96 km away
10. 2.07km ESE of Santa Clarita, CASat, Jan 7, 9:07 PM PST · 17798 days ago · 8 km deep · 96 km away
11. 1.87km ESE of Santa Clarita, CASat, Jan 7, 8:43 PM PST · 17798 days ago · 2 km deep · 96 km away
12. 1.59km SSW of Agua Dulce, CAWed, Jan 4, 8:02 PM PST · 17801 days ago · 11 km deep · 99 km away
13. 2.78km ESE of Santa Clarita, CAWed, Jan 4, 12:50 PM PST · 17801 days ago · 6 km deep · 97 km away
14. 1.67km NNW of Pacoima, CAWed, Jan 4, 9:12 AM PST · 17801 days ago · 2 km deep · 99 km away
15. 1.719km SSW of Lamont, CASun, Jan 1, 1:49 AM PST · 17805 days ago · 0 km deep · 4 km away
16. 1.515km WNW of Tehachapi, CASat, Dec 31, 10:43 AM PST · 17805 days ago · 5 km deep · 42 km away
17. 1.925km NW of Grapevine, CAMon, Dec 26, 4:08 AM PST · 17811 days ago · 4 km deep · 6 km away
18. 1.630km ENE of Santa Ynez, CASun, Dec 25, 5:55 PM PST · 17811 days ago · 12 km deep · 78 km away
19. 2.214km ENE of Ojai, CASat, Dec 24, 8:23 PM PST · 17812 days ago · 17 km deep · 65 km away
20. 2.012km ESE of Piru, CASat, Dec 24, 2:10 AM PST · 17813 days ago · 20 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9997886. Read Thu, Oct 1, 2026, 2:09 AM UTC.