M2.0 earthquake 21 km NE of Soledad, California

Magnitude

2.0 (md), micro

Local time

Sun, Apr 23, 1978, 5:55 AM PST

UTC

1978-04-23 13:55:17 UTC

Depth

6.4 km (4.0 mi), shallow

Epicenter

36.559° N, 121.155° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.08

Depth from

From location

Station coverage gap

51°

Stations used

29

• Soledad, CaliforniaPopulation 25,003. Forecast21 kmNE
• Salinas, CaliforniaPopulation 157,380. Forecast46 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast384 kmNW

After

1. 2.934 km SE of Big Sur, CaliforniaSun, Apr 23, 7:09 AM PST · 17684 days ago · 17 km deep · 71 km away
2. 2.07 km SE of Coalinga, CaliforniaSun, Apr 23, 8:56 AM PST · 17684 days ago · 26 km deep · 92 km away
3. 2.616 km NW of Parkfield, CaliforniaMon, Apr 24, 4:59 AM PST · 17683 days ago · 6 km deep · 82 km away
4. 2.122 km ENE of San Ardo, CaliforniaWed, Apr 26, 2:17 PM PST · 17681 days ago · 5 km deep · 64 km away
5. 2.320 km NW of Parkfield, CaliforniaThu, Apr 27, 10:37 PM PST · 17680 days ago · 4 km deep · 78 km away
6. 1.716 km NW of Parkfield, CaliforniaFri, Apr 28, 3:33 PM PST · 17679 days ago · 5 km deep · 82 km away
7. 1.624 km NE of Greenfield, CaliforniaFri, Apr 28, 9:38 PM PST · 17679 days ago · 5 km deep · 13 km away
8. 1.624 km NE of Greenfield, CaliforniaSun, Apr 30, 3:56 AM PDT · 17677 days ago · 5 km deep · 16 km away
9. 2.323 km NE of King City, CaliforniaMon, May 1, 5:19 AM PDT · 17676 days ago · 7 km deep · 26 km away
10. 1.516 km SSE of Tres Pinos, CaliforniaTue, May 2, 10:22 PM PDT · 17675 days ago · 4 km deep · 14 km away
11. 1.99 km W of Coalinga, CaliforniaWed, May 3, 2:05 AM PDT · 17675 days ago · 11 km deep · 79 km away
12. 2.613 km ESE of Tres Pinos, CaliforniaWed, May 3, 6:10 PM PDT · 17674 days ago · 10 km deep · 19 km away
13. 2.911 km NNE of Morgan Hill, CaliforniaWed, May 3, 6:18 PM PDT · 17674 days ago · 4 km deep · 86 km away
14. 1.81 km NNE of Tres Pinos, CaliforniaThu, May 4, 12:26 AM PDT · 17674 days ago · 8 km deep · 30 km away
15. 1.523 km ENE of Soledad, CaliforniaThu, May 4, 4:54 AM PDT · 17673 days ago · 3 km deep · 9 km away
16. 1.724 km ENE of San Lucas, CaliforniaThu, May 4, 8:52 AM PDT · 17673 days ago · 5 km deep · 50 km away
17. 2.218 km SSE of Tres Pinos, CaliforniaFri, May 5, 1:23 AM PDT · 17673 days ago · 10 km deep · 12 km away
18. 2.619 km SSW of Volta, CaliforniaFri, May 5, 5:07 AM PDT · 17672 days ago · 4 km deep · 43 km away
19. 1.731 km W of Three Rocks, CaliforniaFri, May 5, 4:56 PM PDT · 17672 days ago · 8 km deep · 38 km away
20. 2.127 km NE of San Ardo, CaliforniaMon, May 8, 3:00 AM PDT · 17669 days ago · 6 km deep · 53 km away
21. 1.627 km NE of San Ardo, CaliforniaMon, May 8, 6:12 AM PDT · 17669 days ago · 6 km deep · 53 km away
22. 1.725 km ENE of Greenfield, CaliforniaMon, May 8, 12:26 PM PDT · 17669 days ago · 5 km deep · 20 km away
23. 1.54 km NNW of Aromas, CaliforniaMon, May 8, 2:16 PM PDT · 17669 days ago · 10 km deep · 61 km away
24. 2.125 km ENE of Greenfield, CaliforniaMon, May 8, 3:21 PM PDT · 17669 days ago · 1 km deep · 20 km away
25. 1.925 km ENE of Greenfield, CaliforniaMon, May 8, 4:02 PM PDT · 17669 days ago · 1 km deep · 20 km away
26. 1.711 km S of Tres Pinos, CaliforniaMon, May 8, 8:32 PM PDT · 17669 days ago · 4 km deep · 20 km away
27. 1.822 km ENE of San Ardo, CaliforniaMon, May 8, 11:33 PM PDT · 17669 days ago · 2 km deep · 66 km away
28. 2.223 km NE of San Ardo, CaliforniaTue, May 9, 8:33 AM PDT · 17668 days ago · 8 km deep · 54 km away
29. 2.425 km ENE of Greenfield, CaliforniaTue, May 9, 11:37 AM PDT · 17668 days ago · 1 km deep · 21 km away
30. 2.325 km ENE of Greenfield, CaliforniaFri, May 12, 10:53 AM PDT · 17665 days ago · 1 km deep · 21 km away
31. 2.36 km NE of Ridgemark, CaliforniaSat, May 13, 11:56 AM PDT · 17664 days ago · 10 km deep · 36 km away
32. 2.08 km NW of Hollister, CaliforniaWed, May 17, 10:05 PM PDT · 17660 days ago · 4 km deep · 48 km away
33. 1.917 km SSE of Tres Pinos, CaliforniaWed, May 17, 10:40 PM PDT · 17660 days ago · 4 km deep · 13 km away
34. 2.113 km NW of Avenal, CaliforniaThu, May 18, 5:36 PM PDT · 17659 days ago · 7 km deep · 98 km away
35. 1.922 km NNE of Soledad, CaliforniaFri, May 19, 3:54 AM PDT · 17658 days ago · 8 km deep · 7 km away
36. 1.621 km NE of Soledad, CaliforniaSat, May 20, 2:50 AM PDT · 17658 days ago · 7 km deep · 0 km away
37. 1.912 km ESE of East Foothills, CaliforniaSat, May 20, 8:02 AM PDT · 17657 days ago · 6 km deep · 98 km away
38. 2.13 km SSW of Ridgemark, CaliforniaSat, May 20, 10:09 AM PDT · 17657 days ago · 9 km deep · 31 km away
39. 1.820 km SSE of Tres Pinos, CaliforniaSat, May 20, 12:55 PM PDT · 17657 days ago · 5 km deep · 9 km away
40. 1.68 km NE of Tres Pinos, CaliforniaSat, May 20, 8:21 PM PDT · 17657 days ago · 8 km deep · 33 km away
41. 1.77 km NE of Tres Pinos, CaliforniaSun, May 21, 5:00 AM PDT · 17656 days ago · 8 km deep · 33 km away
42. 2.79 km SW of Coalinga, CaliforniaSun, May 21, 8:23 PM PDT · 17656 days ago · 9 km deep · 82 km away
43. 2.617 km NW of Parkfield, CaliforniaSun, May 21, 9:49 PM PDT · 17656 days ago · 5 km deep · 80 km away
44. 2.017 km NW of Parkfield, CaliforniaSun, May 21, 9:56 PM PDT · 17656 days ago · 5 km deep · 80 km away
45. 3.514 km SSE of Tres Pinos, CaliforniaMon, May 22, 2:56 PM PDT · 17655 days ago · 3 km deep · 16 km away
46. 3.114 km SSE of Tres Pinos, CaliforniaMon, May 22, 3:01 PM PDT · 17655 days ago · 3 km deep · 16 km away
47. 1.614 km SSE of Tres Pinos, CaliforniaMon, May 22, 3:28 PM PDT · 17655 days ago · 3 km deep · 16 km away
48. 1.914 km SSE of Tres Pinos, CaliforniaMon, May 22, 5:42 PM PDT · 17655 days ago · 3 km deep · 17 km away
49. 1.614 km SSE of Tres Pinos, CaliforniaMon, May 22, 6:21 PM PDT · 17655 days ago · 3 km deep · 16 km away
50. 1.714 km SSE of Tres Pinos, CaliforniaMon, May 22, 6:49 PM PDT · 17655 days ago · 3 km deep · 16 km away
51. 1.914 km SSE of Tres Pinos, CaliforniaMon, May 22, 8:18 PM PDT · 17655 days ago · 3 km deep · 16 km away
52. 2.314 km SSE of Tres Pinos, CaliforniaTue, May 23, 4:55 AM PDT · 17654 days ago · 3 km deep · 16 km away
53. 1.813 km SSE of Tres Pinos, CaliforniaTue, May 23, 12:07 PM PDT · 17654 days ago · 3 km deep · 17 km away
54. 2.214 km SSE of Tres Pinos, CaliforniaTue, May 23, 5:12 PM PDT · 17654 days ago · 4 km deep · 16 km away
55. 1.58 km E of Gilroy, CaliforniaTue, May 23, 8:52 PM PDT · 17654 days ago · 4 km deep · 58 km away
56. 2.013 km SSE of Tres Pinos, CaliforniaTue, May 23, 11:56 PM PDT · 17654 days ago · 4 km deep · 17 km away
57. 1.614 km SSE of Tres Pinos, CaliforniaWed, May 24, 2:42 PM PDT · 17653 days ago · 3 km deep · 16 km away
58. 2.09 km NE of San Juan Bautista, CaliforniaWed, May 24, 8:27 PM PDT · 17653 days ago · 4 km deep · 49 km away
59. 1.814 km SSE of Tres Pinos, CaliforniaWed, May 24, 9:04 PM PDT · 17653 days ago · 3 km deep · 16 km away
60. 1.51 km WNW of Hollister, CaliforniaThu, May 25, 1:19 PM PDT · 17652 days ago · 4 km deep · 41 km away

The first 60 of 121.

Before

1. 1.939 km W of Three Rocks, CaliforniaSun, Apr 23, 12:03 AM PST · 17685 days ago · 6 km deep · 29 km away
2. 1.98 km NW of Hollister, CaliforniaFri, Apr 21, 7:12 PM PST · 17686 days ago · 7 km deep · 47 km away
3. 1.813 km N of Morgan Hill, CaliforniaWed, Apr 19, 8:59 PM PST · 17688 days ago · 7 km deep · 88 km away
4. 1.716 km NW of Parkfield, CaliforniaWed, Apr 19, 8:40 PM PST · 17688 days ago · 5 km deep · 82 km away
5. 2.05 km ENE of Hollister, CaliforniaWed, Apr 19, 2:44 PM PST · 17688 days ago · 6 km deep · 38 km away
6. 2.121 km NNE of Soledad, CaliforniaTue, Apr 18, 10:04 AM PST · 17689 days ago · 8 km deep · 5 km away
7. 2.722 km NNE of Soledad, CaliforniaMon, Apr 17, 5:24 PM PST · 17690 days ago · 6 km deep · 6 km away
8. 2.34 km S of San Juan Bautista, CaliforniaMon, Apr 17, 6:33 AM PST · 17690 days ago · 7 km deep · 43 km away
9. 1.910 km SE of San Juan Bautista, CaliforniaMon, Apr 17, 6:11 AM PST · 17690 days ago · 6 km deep · 37 km away
10. 2.623 km ENE of San Lucas, CaliforniaSun, Apr 16, 11:30 PM PST · 17691 days ago · 8 km deep · 50 km away
11. 1.722 km ENE of San Lucas, CaliforniaSun, Apr 16, 10:11 PM PST · 17691 days ago · 7 km deep · 50 km away
12. 2.322 km ENE of San Lucas, CaliforniaSun, Apr 16, 9:20 PM PST · 17691 days ago · 8 km deep · 50 km away
13. 3.19 km SSE of San Juan Bautista, CaliforniaFri, Apr 14, 7:00 AM PST · 17693 days ago · 8 km deep · 37 km away
14. 1.717 km E of East Foothills, CaliforniaThu, Apr 13, 2:08 PM PST · 17694 days ago · 6 km deep · 97 km away
15. 2.221 km SSE of Tres Pinos, CaliforniaThu, Apr 13, 5:08 AM PST · 17694 days ago · 5 km deep · 9 km away
16. 1.821 km SSE of Tres Pinos, CaliforniaThu, Apr 13, 12:12 AM PST · 17695 days ago · 5 km deep · 9 km away
17. 1.917 km SSE of Tres Pinos, CaliforniaWed, Apr 12, 11:32 PM PST · 17695 days ago · 4 km deep · 13 km away
18. 1.623 km NE of San Lucas, CaliforniaWed, Apr 12, 7:36 PM PST · 17695 days ago · 6 km deep · 46 km away
19. 2.35 km NNE of Tres Pinos, CaliforniaWed, Apr 12, 6:06 PM PST · 17695 days ago · 4 km deep · 34 km away
20. 2.015 km E of Seven Trees, CaliforniaSun, Apr 9, 10:07 PM PST · 17698 days ago · 3 km deep · 93 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1039955. Read Tue, Sep 22, 2026, 9:29 PM UTC.