M2.8 earthquake 8 km S of Coalinga, California

Magnitude

2.8 (md), micro

Local time

Mon, Feb 28, 1983, 8:39 AM PST

UTC

1983-02-28 16:39:21 UTC

Depth

6.9 km (4.3 mi), shallow

Epicenter

36.059° N, 120.363° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

155°

Stations used

23

• Coalinga, CaliforniaPopulation 16,564. Forecast9 kmS
• Fresno, CaliforniaPopulation 542,107. Forecast93 kmSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast295 kmNW

After

1. 1.99 km S of Coalinga, CaliforniaMon, Feb 28, 9:04 AM PST · 15920 days ago · 6 km deep · 1 km away
2. 2.19 km S of Coalinga, CaliforniaMon, Feb 28, 2:39 PM PST · 15920 days ago · 7 km deep · 0 km away
3. 2.430 km ESE of Tres Pinos, CaliforniaTue, Mar 1, 10:29 PM PST · 15918 days ago · 1 km deep · 90 km away
4. 2.115 km NNW of Parkfield, CaliforniaWed, Mar 2, 11:21 AM PST · 15918 days ago · 8 km deep · 15 km away
5. 1.828 km NE of Soledad, CaliforniaThu, Mar 3, 4:17 AM PST · 15917 days ago · 9 km deep · 85 km away
6. 2.524 km ENE of Soledad, CaliforniaFri, Mar 4, 2:38 AM PST · 15916 days ago · 4 km deep · 80 km away
7. 1.520 km NW of San Simeon, CaliforniaFri, Mar 4, 9:51 AM PST · 15916 days ago · 0 km deep · 91 km away
8. 1.81 km E of San Ardo, CaliforniaSat, Mar 5, 1:14 AM PST · 15915 days ago · 9 km deep · 47 km away
9. 1.621 km NW of Coalinga, CaliforniaSat, Mar 5, 11:48 AM PST · 15915 days ago · 8 km deep · 29 km away
10. 2.424 km ENE of Greenfield, CaliforniaSun, Mar 6, 7:03 AM PST · 15914 days ago · 7 km deep · 69 km away
11. 2.721 km NE of Soledad, CaliforniaTue, Mar 8, 6:48 AM PST · 15912 days ago · 3 km deep · 92 km away
12. 2.716 km NW of Parkfield, CaliforniaTue, Mar 8, 7:59 AM PST · 15912 days ago · 5 km deep · 19 km away
13. 2.629km WNW of Buttonwillow, CAWed, Mar 9, 12:12 PM PST · 15911 days ago · 0 km deep · 82 km away
14. 3.021 km NE of Soledad, CaliforniaThu, Mar 10, 5:05 AM PST · 15910 days ago · 2 km deep · 92 km away
15. 1.621 km NE of Soledad, CaliforniaThu, Mar 10, 6:18 AM PST · 15910 days ago · 2 km deep · 93 km away
16. 1.621 km SSE of Tres Pinos, CaliforniaFri, Mar 11, 6:58 AM PST · 15909 days ago · 5 km deep · 99 km away
17. 1.735 km WSW of Three Rocks, CaliforniaFri, Mar 11, 10:09 PM PST · 15908 days ago · 15 km deep · 54 km away
18. 1.525 km SSW of Kettleman City, CaliforniaSat, Mar 12, 4:51 AM PST · 15908 days ago · 10 km deep · 43 km away
19. 2.021 km NE of Soledad, CaliforniaSat, Mar 12, 7:16 AM PST · 15908 days ago · 7 km deep · 89 km away
20. 1.937 km SSW of South Dos Palos, CaliforniaSun, Mar 13, 6:03 AM PST · 15907 days ago · 6 km deep · 81 km away
21. 2.322 km ENE of Soledad, CaliforniaMon, Mar 14, 10:02 PM PST · 15905 days ago · 3 km deep · 86 km away
22. 1.731 km ENE of Soledad, CaliforniaTue, Mar 15, 4:48 PM PST · 15904 days ago · 6 km deep · 78 km away
23. 1.622 km NE of Soledad, CaliforniaTue, Mar 15, 5:22 PM PST · 15904 days ago · 6 km deep · 95 km away
24. 1.723 km ENE of Soledad, CaliforniaWed, Mar 16, 10:09 PM PST · 15903 days ago · 3 km deep · 80 km away
25. 1.523 km ENE of Soledad, CaliforniaWed, Mar 16, 10:14 PM PST · 15903 days ago · 3 km deep · 80 km away
26. 1.611 km SSE of Huron, CaliforniaThu, Mar 17, 2:09 AM PST · 15903 days ago · 0 km deep · 28 km away
27. 1.815 km NW of Parkfield, CaliforniaThu, Mar 17, 3:47 PM PST · 15903 days ago · 5 km deep · 19 km away
28. 2.137 km SSW of South Dos Palos, CaliforniaFri, Mar 18, 12:09 AM PST · 15902 days ago · 6 km deep · 81 km away
29. 1.524 km ENE of Greenfield, CaliforniaFri, Mar 18, 6:58 AM PST · 15902 days ago · -1 km deep · 70 km away
30. 2.123 km W of Three Rocks, CaliforniaFri, Mar 18, 12:34 PM PST · 15902 days ago · 9 km deep · 53 km away
31. 2.52 km W of Morro Bay, CaliforniaFri, Mar 18, 6:39 PM PST · 15901 days ago · 0 km deep · 91 km away
32. 1.936 km SSW of South Dos Palos, CaliforniaSat, Mar 19, 6:10 AM PST · 15901 days ago · 6 km deep · 81 km away
33. 1.623 km ENE of Soledad, CaliforniaSun, Mar 20, 4:45 AM PST · 15900 days ago · 6 km deep · 84 km away
34. 1.922 km NE of Soledad, CaliforniaSun, Mar 20, 7:47 AM PST · 15900 days ago · 7 km deep · 94 km away
35. 3.012 km S of Stratford, CaliforniaSun, Mar 20, 4:38 PM PST · 15899 days ago · 13 km deep · 50 km away
36. 2.910 km SW of Kettleman City, CaliforniaSun, Mar 20, 10:36 PM PST · 15899 days ago · 13 km deep · 33 km away
37. 1.71 km E of San Ardo, CaliforniaMon, Mar 21, 1:54 PM PST · 15899 days ago · 10 km deep · 47 km away
38. 1.81 km E of San Ardo, CaliforniaMon, Mar 21, 10:26 PM PST · 15898 days ago · 10 km deep · 47 km away
39. 1.825 km NE of Greenfield, CATue, Mar 22, 2:32 AM PST · 15898 days ago · 5 km deep · 72 km away
40. 1.910 km NE of Coalinga, CaliforniaWed, Mar 23, 3:03 AM PST · 15897 days ago · 11 km deep · 18 km away
41. 1.75 km W of Paso Robles, CaliforniaWed, Mar 23, 9:27 AM PST · 15897 days ago · 4 km deep · 60 km away
42. 2.122 km NE of Soledad, CaliforniaWed, Mar 23, 11:28 AM PST · 15897 days ago · 3 km deep · 94 km away
43. 1.621 km NW of Parkfield, CaliforniaThu, Mar 24, 5:28 PM PST · 15895 days ago · 4 km deep · 21 km away
44. 1.636 km SSW of South Dos Palos, CaliforniaSat, Mar 26, 4:17 PM PST · 15894 days ago · 7 km deep · 82 km away
45. 1.613 km ENE of Shandon, CaliforniaSun, Mar 27, 12:16 AM PST · 15893 days ago · 10 km deep · 42 km away
46. 1.537 km SSW of South Dos Palos, CaliforniaSun, Mar 27, 5:47 AM PST · 15893 days ago · 3 km deep · 82 km away
47. 3.137 km SSW of South Dos Palos, CaliforniaSun, Mar 27, 1:13 PM PST · 15893 days ago · 6 km deep · 81 km away
48. 2.037 km SSW of South Dos Palos, CaliforniaSun, Mar 27, 1:39 PM PST · 15893 days ago · 6 km deep · 81 km away
49. 1.937 km SSW of South Dos Palos, CaliforniaSun, Mar 27, 3:37 PM PST · 15893 days ago · 4 km deep · 81 km away
50. 3.437 km SSW of South Dos Palos, CaliforniaMon, Mar 28, 1:32 AM PST · 15892 days ago · 7 km deep · 81 km away
51. 2.237 km SSW of South Dos Palos, CaliforniaMon, Mar 28, 2:02 AM PST · 15892 days ago · 6 km deep · 81 km away
52. 2.437 km SSW of South Dos Palos, CaliforniaMon, Mar 28, 2:27 AM PST · 15892 days ago · 3 km deep · 81 km away
53. 1.837 km SSW of South Dos Palos, CaliforniaMon, Mar 28, 3:21 AM PST · 15892 days ago · 7 km deep · 81 km away
54. 2.027 km NE of Soledad, CaliforniaWed, Mar 30, 3:20 PM PST · 15890 days ago · 8 km deep · 85 km away
55. 1.638 km SSW of South Dos Palos, CaliforniaWed, Mar 30, 5:54 PM PST · 15889 days ago · 6 km deep · 81 km away
56. 2.321 km SSE of Tres Pinos, CaliforniaThu, Mar 31, 4:39 AM PST · 15889 days ago · 4 km deep · 99 km away
57. 2.637 km SSW of South Dos Palos, CaliforniaThu, Mar 31, 3:34 PM PST · 15889 days ago · 7 km deep · 81 km away
58. 2.520 km SSE of Tres Pinos, CaliforniaFri, Apr 1, 8:08 PM PST · 15887 days ago · 8 km deep · 99 km away
59. 1.637 km SSW of South Dos Palos, CaliforniaSat, Apr 2, 7:09 PM PST · 15886 days ago · 1 km deep · 79 km away
60. 2.033 km NE of San Lucas, CaliforniaSat, Apr 2, 9:44 PM PST · 15886 days ago · 9 km deep · 51 km away

The first 60 of 116.

Before

1. 3.28 km S of Coalinga, CaliforniaMon, Feb 28, 8:31 AM PST · 15920 days ago · 8 km deep · 0 km away
2. 1.637 km SSW of South Dos Palos, CaliforniaMon, Feb 28, 3:07 AM PST · 15920 days ago · 0 km deep · 82 km away
3. 1.837 km SSW of South Dos Palos, CaliforniaSun, Feb 27, 10:29 PM PST · 15920 days ago · -1 km deep · 82 km away
4. 1.523 km ENE of Soledad, CaliforniaSun, Feb 27, 5:10 PM PST · 15920 days ago · 2 km deep · 81 km away
5. 1.722 km SW of South Dos Palos, CaliforniaSun, Feb 27, 2:34 PM PST · 15921 days ago · 12 km deep · 97 km away
6. 2.219 km NNW of Coalinga, CaliforniaSat, Feb 26, 5:26 PM PST · 15921 days ago · 8 km deep · 28 km away
7. 1.920 km SSE of Tres Pinos, CaliforniaSat, Feb 26, 5:00 AM PST · 15922 days ago · 4 km deep · 100 km away
8. 1.721 km NE of Soledad, CaliforniaSat, Feb 26, 4:10 AM PST · 15922 days ago · 2 km deep · 89 km away
9. 1.531 km SE of Tres Pinos, CaliforniaFri, Feb 25, 4:20 PM PST · 15923 days ago · 8 km deep · 87 km away
10. 1.625 km ENE of Greenfield, CaliforniaThu, Feb 24, 11:58 PM PST · 15923 days ago · 0 km deep · 70 km away
11. 1.722 km NE of Soledad, CaliforniaMon, Feb 21, 10:42 PM PST · 15926 days ago · 2 km deep · 86 km away
12. 1.6Near the coast of Central CaliforniaMon, Feb 21, 4:21 PM PST · 15927 days ago · 8 km deep · 99 km away
13. 1.822 km NE of Soledad, CaliforniaSun, Feb 20, 7:34 PM PST · 15927 days ago · 3 km deep · 86 km away
14. 2.020 km NNW of San Simeon, CaliforniaSun, Feb 20, 11:30 AM PST · 15928 days ago · 6 km deep · 87 km away
15. 2.020 km NNW of San Simeon, CaliforniaSun, Feb 20, 10:56 AM PST · 15928 days ago · 8 km deep · 88 km away
16. 2.924 km NE of Greenfield, CaliforniaSat, Feb 19, 5:13 PM PST · 15928 days ago · 2 km deep · 76 km away
17. 2.522 km NE of San Lucas, CaliforniaSat, Feb 19, 1:23 PM PST · 15929 days ago · 11 km deep · 45 km away
18. 1.922 km NE of San Lucas, CaliforniaSat, Feb 19, 6:01 AM PST · 15929 days ago · 8 km deep · 47 km away
19. 1.522 km NE of Soledad, CaliforniaSat, Feb 19, 1:42 AM PST · 15929 days ago · 6 km deep · 93 km away
20. 2.621 km SSE of Tres Pinos, CaliforniaFri, Feb 18, 6:01 PM PST · 15929 days ago · 5 km deep · 99 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1088549 (also filed as ci1102074). Read Wed, Sep 30, 2026, 12:01 PM UTC.