M1.5 earthquake Central California

Magnitude

1.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Sep 26, 1983, 9:15 PM PDT

UTC

1983-09-27 04:15:21 UTC

Depth

3.1 km (1.9 mi), shallow

Epicenter

36.121° N, 120.174° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.4 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

253°, poorly surrounded by stations

Stations used

13

• Huron, CaliforniaPopulation 6,836. Forecast11 kmSW
• Avenal, CaliforniaPopulation 13,301. Forecast14 kmNNW
• Fresno, CaliforniaPopulation 542,107. Forecast78 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast289 kmNW

After

1. 1.813 km N of Coalinga, CaliforniaMon, Sep 26, 9:22 PM PDT · 15711 days ago · 9 km deep · 23 km away
2. 1.69 km N of Coalinga, CaliforniaMon, Sep 26, 11:28 PM PDT · 15711 days ago · 10 km deep · 21 km away
3. 2.026 km ENE of Soledad, CaliforniaMon, Sep 26, 11:29 PM PDT · 15711 days ago · 4 km deep · 91 km away
4. 2.113 km N of Coalinga, CaliforniaTue, Sep 27, 1:11 AM PDT · 15711 days ago · 8 km deep · 23 km away
5. 2.716 km NNW of Coalinga, CaliforniaTue, Sep 27, 3:47 AM PDT · 15711 days ago · 7 km deep · 28 km away
6. 1.611 km NNE of Coalinga, CaliforniaTue, Sep 27, 8:32 AM PDT · 15711 days ago · 8 km deep · 16 km away
7. 3.212 km NW of Coalinga, CaliforniaTue, Sep 27, 1:20 PM PDT · 15710 days ago · 4 km deep · 27 km away
8. 1.99 km NNE of Coalinga, CaliforniaWed, Sep 28, 2:19 AM PDT · 15710 days ago · 9 km deep · 16 km away
9. 1.811 km E of Coalinga, CaliforniaWed, Sep 28, 4:03 AM PDT · 15710 days ago · 7 km deep · 6 km away
10. 2.011 km N of Coalinga, CaliforniaWed, Sep 28, 11:54 AM PDT · 15709 days ago · 8 km deep · 23 km away
11. 1.513 km N of Coalinga, CaliforniaThu, Sep 29, 2:50 AM PDT · 15709 days ago · 9 km deep · 23 km away
12. 2.638 km SSW of South Dos Palos, CaliforniaThu, Sep 29, 2:55 AM PDT · 15709 days ago · 4 km deep · 81 km away
13. 3.237 km SSW of South Dos Palos, CaliforniaThu, Sep 29, 2:56 AM PDT · 15709 days ago · -1 km deep · 80 km away
14. 2.138 km SSW of South Dos Palos, CaliforniaThu, Sep 29, 3:25 AM PDT · 15709 days ago · 5 km deep · 81 km away
15. 1.6Central CaliforniaThu, Sep 29, 3:32 AM PDT · 15709 days ago · 11 km deep · 27 km away
16. 2.539 km SSW of South Dos Palos, CaliforniaThu, Sep 29, 4:31 AM PDT · 15709 days ago · 3 km deep · 81 km away
17. 2.139 km SSW of South Dos Palos, CaliforniaThu, Sep 29, 5:53 AM PDT · 15709 days ago · 4 km deep · 81 km away
18. 1.812 km WSW of Huron, CaliforniaThu, Sep 29, 8:12 AM PDT · 15709 days ago · 9 km deep · 6 km away
19. 1.610 km N of Coalinga, CaliforniaThu, Sep 29, 12:16 PM PDT · 15708 days ago · 7 km deep · 22 km away
20. 1.724 km NE of Greenfield, CaliforniaThu, Sep 29, 4:07 PM PDT · 15708 days ago · 7 km deep · 87 km away
21. 2.715 km NNW of Coalinga, CaliforniaFri, Sep 30, 2:15 AM PDT · 15708 days ago · 3 km deep · 30 km away
22. 1.99 km ENE of Coalinga, CaliforniaFri, Sep 30, 3:20 AM PDT · 15708 days ago · 9 km deep · 9 km away
23. 1.59 km NNW of Coalinga, CaliforniaFri, Sep 30, 5:25 AM PDT · 15708 days ago · 7 km deep · 23 km away
24. 1.513 km NNW of Coalinga, CaliforniaFri, Sep 30, 6:38 AM PDT · 15708 days ago · 6 km deep · 26 km away
25. 1.611 km W of Huron, CaliforniaFri, Sep 30, 6:41 AM PDT · 15708 days ago · 6 km deep · 11 km away
26. 2.016 km S of Three Rocks, CaliforniaFri, Sep 30, 9:38 AM PDT · 15707 days ago · 10 km deep · 33 km away
27. 2.76km SW of Huron, CAFri, Sep 30, 5:19 PM PDT · 15707 days ago · 11 km deep · 5 km away
28. 2.410 km WSW of Huron, CaliforniaFri, Sep 30, 5:20 PM PDT · 15707 days ago · 15 km deep · 6 km away
29. 1.616 km NNW of Coalinga, CaliforniaFri, Sep 30, 7:34 PM PDT · 15707 days ago · 7 km deep · 28 km away
30. 1.519 km NNW of Coalinga, CaliforniaFri, Sep 30, 9:46 PM PDT · 15707 days ago · 9 km deep · 32 km away
31. 2.111 km NE of Coalinga, CaliforniaFri, Sep 30, 9:54 PM PDT · 15707 days ago · 7 km deep · 11 km away
32. 1.514 km NNW of Coalinga, CaliforniaFri, Sep 30, 11:10 PM PDT · 15707 days ago · 6 km deep · 27 km away
33. 1.612 km NE of Coalinga, CaliforniaSat, Oct 1, 1:13 AM PDT · 15707 days ago · 7 km deep · 12 km away
34. 1.536 km WSW of Mendota, CaliforniaSat, Oct 1, 3:32 AM PDT · 15707 days ago · 3 km deep · 78 km away
35. 1.612 km NW of Coalinga, CaliforniaSat, Oct 1, 8:24 AM PDT · 15707 days ago · 6 km deep · 27 km away
36. 1.636 km SSW of South Dos Palos, CaliforniaSat, Oct 1, 12:50 PM PDT · 15706 days ago · 6 km deep · 83 km away
37. 1.611 km W of Huron, CaliforniaSat, Oct 1, 3:54 PM PDT · 15706 days ago · 13 km deep · 12 km away
38. 1.814 km N of Coalinga, CaliforniaSat, Oct 1, 6:44 PM PDT · 15706 days ago · 8 km deep · 25 km away
39. 3.112 km W of Three Rocks, CaliforniaSat, Oct 1, 7:25 PM PDT · 15706 days ago · 10 km deep · 54 km away
40. 2.14 km NW of Parkfield, CaliforniaSat, Oct 1, 7:35 PM PDT · 15706 days ago · 5 km deep · 35 km away
41. 2.310 km NNE of Coalinga, CaliforniaSat, Oct 1, 7:40 PM PDT · 15706 days ago · 7 km deep · 16 km away
42. 1.910 km NNE of Coalinga, CaliforniaSat, Oct 1, 8:13 PM PDT · 15706 days ago · 5 km deep · 15 km away
43. 1.538 km SSW of South Dos Palos, CaliforniaSun, Oct 2, 5:53 AM PDT · 15706 days ago · 4 km deep · 81 km away
44. 2.14 km NW of Parkfield, CaliforniaSun, Oct 2, 5:56 AM PDT · 15706 days ago · 5 km deep · 34 km away
45. 2.75km WNW of Parkfield, CASun, Oct 2, 5:56 AM PDT · 15706 days ago · 9 km deep · 37 km away
46. 1.69 km ESE of Coalinga, CaliforniaSun, Oct 2, 8:21 AM PDT · 15706 days ago · 8 km deep · 7 km away
47. 1.69 km ESE of Coalinga, CaliforniaSun, Oct 2, 8:31 AM PDT · 15706 days ago · 8 km deep · 8 km away
48. 2.117 km NNW of Coalinga, CaliforniaSun, Oct 2, 9:46 PM PDT · 15705 days ago · 7 km deep · 29 km away
49. 1.615 km NW of Parkfield, CaliforniaMon, Oct 3, 2:42 AM PDT · 15705 days ago · 3 km deep · 37 km away
50. 1.711 km SSW of Cantua Creek, CaliforniaMon, Oct 3, 8:00 AM PDT · 15705 days ago · 8 km deep · 34 km away
51. 2.04 km NW of Parkfield, CaliforniaMon, Oct 3, 11:00 AM PDT · 15704 days ago · 4 km deep · 35 km away
52. 1.610 km ENE of Coalinga, CaliforniaMon, Oct 3, 11:30 AM PDT · 15704 days ago · 13 km deep · 11 km away
53. 1.612 km W of Huron, CaliforniaMon, Oct 3, 12:05 PM PDT · 15704 days ago · 6 km deep · 12 km away
54. 1.77 km NE of Coalinga, CaliforniaTue, Oct 4, 8:33 AM PDT · 15704 days ago · 10 km deep · 13 km away
55. 1.913 km N of Coalinga, CaliforniaTue, Oct 4, 9:01 AM PDT · 15703 days ago · 8 km deep · 23 km away
56. 2.312 km N of Coalinga, CaliforniaWed, Oct 5, 10:00 AM PDT · 15702 days ago · 10 km deep · 23 km away
57. 1.515 km W of Three Rocks, CaliforniaWed, Oct 5, 9:06 PM PDT · 15702 days ago · 7 km deep · 54 km away
58. 2.410 km NNW of Coalinga, CaliforniaThu, Oct 6, 11:08 AM PDT · 15701 days ago · 7 km deep · 24 km away
59. 3.010 km SSE of Three Rocks, CaliforniaThu, Oct 6, 5:38 PM PDT · 15701 days ago · 8 km deep · 36 km away
60. 1.613 km NNE of Coalinga, CaliforniaThu, Oct 6, 9:20 PM PDT · 15701 days ago · 7 km deep · 19 km away

The first 60 of 195.

Before

1. 3.016 km NNW of Coalinga, CaliforniaMon, Sep 26, 8:39 PM PDT · 15711 days ago · 7 km deep · 28 km away
2. 1.611 km N of Coalinga, CaliforniaMon, Sep 26, 4:32 PM PDT · 15711 days ago · 7 km deep · 23 km away
3. 1.937 km SSW of South Dos Palos, CaliforniaMon, Sep 26, 3:14 PM PDT · 15711 days ago · 5 km deep · 87 km away
4. 1.828 km NE of Greenfield, CaliforniaMon, Sep 26, 1:44 PM PDT · 15711 days ago · 6 km deep · 82 km away
5. 1.77 km ENE of Coalinga, CaliforniaMon, Sep 26, 12:59 PM PDT · 15711 days ago · 8 km deep · 11 km away
6. 1.810 km NE of Coalinga, CaliforniaMon, Sep 26, 9:20 AM PDT · 15711 days ago · 7 km deep · 14 km away
7. 1.821 km NW of Parkfield, CaliforniaMon, Sep 26, 9:06 AM PDT · 15711 days ago · 4 km deep · 39 km away
8. 1.915 km NNW of Coalinga, CaliforniaMon, Sep 26, 9:02 AM PDT · 15711 days ago · 8 km deep · 27 km away
9. 2.112 km N of Coalinga, CaliforniaMon, Sep 26, 7:46 AM PDT · 15712 days ago · 8 km deep · 24 km away
10. 1.812 km NNW of Coalinga, CaliforniaMon, Sep 26, 7:07 AM PDT · 15712 days ago · 3 km deep · 27 km away
11. 1.57 km SSW of Cantua Creek, CaliforniaMon, Sep 26, 6:00 AM PDT · 15712 days ago · 2 km deep · 39 km away
12. 2.34 km ENE of Coalinga, CaliforniaMon, Sep 26, 5:15 AM PDT · 15712 days ago · 13 km deep · 14 km away
13. 1.526 km ENE of Soledad, CaliforniaMon, Sep 26, 3:16 AM PDT · 15712 days ago · 6 km deep · 91 km away
14. 1.714 km NNE of Coalinga, CaliforniaSun, Sep 25, 4:26 PM PDT · 15712 days ago · 4 km deep · 21 km away
15. 2.017 km NNW of Coalinga, CaliforniaSun, Sep 25, 5:30 AM PDT · 15713 days ago · 9 km deep · 29 km away
16. 1.515 km N of Coalinga, CaliforniaSat, Sep 24, 6:57 PM PDT · 15713 days ago · 9 km deep · 25 km away
17. 1.811 km NE of Coalinga, CaliforniaSat, Sep 24, 6:47 PM PDT · 15713 days ago · 9 km deep · 12 km away
18. 2.211 km SSE of Three Rocks, CaliforniaSat, Sep 24, 10:28 AM PDT · 15713 days ago · 8 km deep · 36 km away
19. 1.910 km ENE of Coalinga, CaliforniaSat, Sep 24, 8:55 AM PDT · 15713 days ago · 11 km deep · 10 km away
20. 1.610 km NNW of Coalinga, CaliforniaSat, Sep 24, 7:29 AM PDT · 15714 days ago · 7 km deep · 23 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1103763. Read Fri, Oct 2, 2026, 3:20 AM UTC.