M1.8 earthquake 15 km NNW of Coalinga, California

Magnitude

1.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Mar 28, 1985, 9:23 AM PST

UTC

1985-03-28 17:23:11 UTC

Depth

7.4 km (4.6 mi), shallow

Epicenter

36.271° N, 120.419° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

82°

Stations used

17

• Coalinga, CaliforniaPopulation 16,564. Forecast15 kmNNW
• Fresno, CaliforniaPopulation 542,107. Forecast78 kmSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast316 kmNW

After

1. 3.08 km E of Coalinga, CaliforniaThu, Mar 28, 2:29 PM PST · 15161 days ago · 9 km deep · 20 km away
2. 1.913 km S of Tres Pinos, CaliforniaThu, Mar 28, 10:10 PM PST · 15161 days ago · 5 km deep · 90 km away
3. 1.69 km SSE of Avenal, CaliforniaFri, Mar 29, 10:53 AM PST · 15160 days ago · 4 km deep · 49 km away
4. 2.321 km NE of Soledad, CaliforniaFri, Mar 29, 4:20 PM PST · 15160 days ago · 4 km deep · 71 km away
5. 1.518 km NNW of Coalinga, CaliforniaSat, Mar 30, 6:59 AM PST · 15160 days ago · 9 km deep · 3 km away
6. 2.24 km N of Coalinga, CaliforniaSat, Mar 30, 7:06 AM PST · 15160 days ago · 14 km deep · 12 km away
7. 1.93 km N of Coalinga, CaliforniaSat, Mar 30, 7:07 AM PST · 15160 days ago · 14 km deep · 12 km away
8. 1.77 km ENE of Coalinga, CaliforniaSat, Mar 30, 7:27 PM PST · 15159 days ago · 10 km deep · 17 km away
9. 1.722 km NE of King City, CaliforniaSun, Mar 31, 1:52 AM PST · 15159 days ago · 6 km deep · 47 km away
10. 1.624 km ENE of San Lucas, CaliforniaSun, Mar 31, 4:48 AM PST · 15159 days ago · 9 km deep · 32 km away
11. 1.723 km NE of San Lucas, CaliforniaMon, Apr 1, 6:34 PM PST · 15157 days ago · 8 km deep · 38 km away
12. 1.627 km E of Tres Pinos, CaliforniaTue, Apr 2, 3:08 AM PST · 15157 days ago · 4 km deep · 76 km away
13. 2.011 km NE of Kettleman City, CaliforniaTue, Apr 2, 2:47 PM PST · 15156 days ago · 17 km deep · 53 km away
14. 2.023 km NE of King City, CaliforniaWed, Apr 3, 3:16 AM PST · 15156 days ago · 5 km deep · 48 km away
15. 2.026 km NW of San Simeon, CaliforniaWed, Apr 3, 3:21 AM PST · 15156 days ago · 10 km deep · 99 km away
16. 1.625 km NE of Greenfield, CaliforniaWed, Apr 3, 6:49 PM PST · 15155 days ago · 3 km deep · 57 km away
17. 1.814 km NNW of Coalinga, CaliforniaThu, Apr 4, 9:46 AM PST · 15154 days ago · 9 km deep · 3 km away
18. 2.411 km N of Coalinga, CaliforniaThu, Apr 4, 12:52 PM PST · 15154 days ago · 8 km deep · 7 km away
19. 1.712 km ENE of Coalinga, CAFri, Apr 5, 10:39 PM PST · 15153 days ago · 5 km deep · 18 km away
20. 1.68 km NNW of Coalinga, CaliforniaFri, Apr 5, 10:57 PM PST · 15153 days ago · 8 km deep · 7 km away
21. 1.924 km ENE of Soledad, CaliforniaSat, Apr 6, 1:15 AM PST · 15153 days ago · 8 km deep · 66 km away
22. 2.9Central CaliforniaSat, Apr 6, 5:15 AM PST · 15153 days ago · 7 km deep · 71 km away
23. 3.326 km NE of Soledad, CaliforniaSat, Apr 6, 5:16 AM PST · 15153 days ago · 8 km deep · 71 km away
24. 1.86 km NE of Coalinga, CaliforniaSat, Apr 6, 5:12 PM PST · 15152 days ago · 7 km deep · 14 km away
25. 1.610 km NE of Coalinga, CaliforniaMon, Apr 8, 11:15 AM PST · 15150 days ago · 9 km deep · 14 km away
26. 1.711 km NE of Coalinga, CaliforniaMon, Apr 8, 6:36 PM PST · 15150 days ago · 7 km deep · 13 km away
27. 3.710 km NE of Coalinga, CaliforniaMon, Apr 8, 7:23 PM PST · 15150 days ago · 9 km deep · 13 km away
28. 2.910 km NE of Coalinga, CaliforniaMon, Apr 8, 7:25 PM PST · 15150 days ago · 7 km deep · 14 km away
29. 3.210 km NE of Coalinga, CaliforniaMon, Apr 8, 7:42 PM PST · 15150 days ago · 8 km deep · 13 km away
30. 1.610 km NE of Coalinga, CaliforniaMon, Apr 8, 8:02 PM PST · 15150 days ago · 8 km deep · 14 km away
31. 1.610 km NE of Coalinga, CaliforniaMon, Apr 8, 8:23 PM PST · 15150 days ago · 7 km deep · 13 km away
32. 1.712 km ENE of Shandon, CaliforniaMon, Apr 8, 8:28 PM PST · 15150 days ago · 9 km deep · 66 km away
33. 1.832 km W of Three Rocks, CaliforniaMon, Apr 8, 8:31 PM PST · 15150 days ago · 9 km deep · 39 km away
34. 2.133 km W of Three Rocks, CaliforniaMon, Apr 8, 8:32 PM PST · 15150 days ago · 9 km deep · 39 km away
35. 2.410 km NE of Coalinga, CaliforniaMon, Apr 8, 11:30 PM PST · 15150 days ago · 8 km deep · 13 km away
36. 2.211 km NE of Coalinga, CaliforniaMon, Apr 8, 11:51 PM PST · 15150 days ago · 6 km deep · 14 km away
37. 1.518 km N of Coalinga, CaliforniaTue, Apr 9, 3:51 AM PST · 15150 days ago · 7 km deep · 9 km away
38. 2.722 km NE of Soledad, CaliforniaTue, Apr 9, 4:08 AM PST · 15150 days ago · 2 km deep · 77 km away
39. 1.912 km ENE of Shandon, CaliforniaTue, Apr 9, 5:32 AM PST · 15150 days ago · 9 km deep · 66 km away
40. 1.812 km ENE of Shandon, CaliforniaTue, Apr 9, 6:56 AM PST · 15150 days ago · 9 km deep · 66 km away
41. 1.59 km NNE of Coalinga, CaliforniaTue, Apr 9, 8:35 PM PST · 15149 days ago · 8 km deep · 12 km away
42. 1.719 km SSE of Avenal, CaliforniaWed, Apr 10, 5:09 AM PST · 15149 days ago · 12 km deep · 58 km away
43. 2.819 km SSE of Avenal, CaliforniaWed, Apr 10, 8:09 AM PST · 15149 days ago · 12 km deep · 58 km away
44. 1.98 km ENE of Coalinga, CaliforniaWed, Apr 10, 8:32 PM PST · 15148 days ago · 11 km deep · 18 km away
45. 1.711 km S of Tres Pinos, CaliforniaThu, Apr 11, 3:33 AM PST · 15148 days ago · 10 km deep · 92 km away
46. 1.610 km NE of Coalinga, CaliforniaThu, Apr 11, 6:10 AM PST · 15148 days ago · 8 km deep · 14 km away
47. 2.224 km NE of Greenfield, CaliforniaThu, Apr 11, 5:39 PM PST · 15147 days ago · 5 km deep · 60 km away
48. 1.66 km W of Greenfield, CaliforniaThu, Apr 11, 5:53 PM PST · 15147 days ago · 9 km deep · 81 km away
49. 1.529 km SSW of Los Banos, CaliforniaThu, Apr 11, 6:07 PM PST · 15147 days ago · 2 km deep · 74 km away
50. 1.64 km W of South Dos Palos, CaliforniaThu, Apr 11, 6:39 PM PST · 15147 days ago · 10 km deep · 81 km away
51. 1.610 km WSW of Huron, CaliforniaThu, Apr 11, 11:39 PM PST · 15147 days ago · 9 km deep · 23 km away
52. 2.37 km WNW of Santa Margarita, CaliforniaFri, Apr 12, 8:14 AM PST · 15147 days ago · 4 km deep · 99 km away
53. 3.123 km ENE of San Lucas, CaliforniaFri, Apr 12, 5:37 PM PST · 15146 days ago · 6 km deep · 35 km away
54. 2.17 km WNW of Santa Margarita, CaliforniaFri, Apr 12, 9:04 PM PST · 15146 days ago · 4 km deep · 99 km away
55. 2.324 km NE of King City, CaliforniaSat, Apr 13, 7:22 AM PST · 15146 days ago · 7 km deep · 46 km away
56. 1.724 km NE of Greenfield, CaliforniaSat, Apr 13, 12:21 PM PST · 15145 days ago · 6 km deep · 61 km away
57. 1.78 km E of Huron, CaliforniaSat, Apr 13, 3:25 PM PST · 15145 days ago · 25 km deep · 38 km away
58. 2.224 km NE of King City, CaliforniaSat, Apr 13, 10:16 PM PST · 15145 days ago · 8 km deep · 46 km away
59. 1.79 km E of Coalinga, CaliforniaSun, Apr 14, 1:21 AM PST · 15145 days ago · 10 km deep · 19 km away
60. 1.98 km NNW of Avenal, CaliforniaSun, Apr 14, 1:40 AM PST · 15145 days ago · 0 km deep · 31 km away

The first 60 of 165.

Before

1. 1.77 km SSW of Huron, CaliforniaThu, Mar 28, 12:16 AM PST · 15162 days ago · 17 km deep · 28 km away
2. 1.78 km N of Coalinga, CaliforniaWed, Mar 27, 6:53 PM PST · 15162 days ago · 12 km deep · 8 km away
3. 2.015 km N of Coalinga, CaliforniaWed, Mar 27, 2:45 PM PST · 15162 days ago · 8 km deep · 8 km away
4. 1.715 km NW of Parkfield, CaliforniaWed, Mar 27, 4:54 AM PST · 15163 days ago · 3 km deep · 33 km away
5. 1.816 km N of Coalinga, CaliforniaWed, Mar 27, 4:51 AM PST · 15163 days ago · 8 km deep · 8 km away
6. 2.312 km ENE of Coalinga, CaliforniaWed, Mar 27, 1:28 AM PST · 15163 days ago · 11 km deep · 19 km away
7. 3.214 km NNW of Coalinga, CaliforniaWed, Mar 27, 12:33 AM PST · 15163 days ago · 8 km deep · 2 km away
8. 1.624 km ENE of Greenfield, CaliforniaWed, Mar 27, 12:21 AM PST · 15163 days ago · 6 km deep · 56 km away
9. 2.7Central CaliforniaTue, Mar 26, 2:49 PM PST · 15163 days ago · 5 km deep · 70 km away
10. 1.811 km WSW of Huron, CaliforniaTue, Mar 26, 1:54 PM PST · 15163 days ago · 9 km deep · 23 km away
11. 1.611 km WNW of Templeton, CaliforniaTue, Mar 26, 6:09 AM PST · 15164 days ago · 6 km deep · 83 km away
12. 2.323 km ENE of San Lucas, CaliforniaTue, Mar 26, 5:58 AM PST · 15164 days ago · 6 km deep · 35 km away
13. 3.027 km E of Tres Pinos, CaliforniaSun, Mar 24, 3:01 PM PST · 15165 days ago · 5 km deep · 76 km away
14. 1.912 km NNE of Coalinga, CaliforniaSun, Mar 24, 6:32 AM PST · 15166 days ago · 9 km deep · 10 km away
15. 2.723 km ENE of Soledad, CaliforniaSat, Mar 23, 10:48 PM PST · 15166 days ago · 4 km deep · 65 km away
16. 2.219 km SSE of Tres Pinos, CaliforniaSat, Mar 23, 8:09 PM PST · 15166 days ago · 5 km deep · 81 km away
17. 2.26 km NNE of Coalinga, CaliforniaSat, Mar 23, 2:20 PM PST · 15166 days ago · 11 km deep · 10 km away
18. 1.811 km SW of Huron, CaliforniaSat, Mar 23, 1:25 AM PST · 15167 days ago · 8 km deep · 24 km away
19. 1.722 km NE of Soledad, CaliforniaFri, Mar 22, 2:22 PM PST · 15167 days ago · 7 km deep · 71 km away
20. 1.619 km SSE of Tres Pinos, CaliforniaFri, Mar 22, 1:28 PM PST · 15167 days ago · 5 km deep · 81 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc44867. Read Thu, Oct 1, 2026, 4:46 AM UTC.