M1.5 earthquake Central California

Magnitude

1.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Oct 15, 1983, 1:41 PM PDT

UTC

1983-10-15 20:41:01 UTC

Depth

8.6 km (5.3 mi), shallow

Epicenter

36.764° N, 121.357° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

50°

Stations used

26

• Ridgemark, CaliforniaPopulation 3,016. Forecast6 kmS
• Hollister, CaliforniaPopulation 37,462. Forecast11 kmSSE
• Salinas, CaliforniaPopulation 157,380. Forecast28 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast413 kmNW

After

1. 1.722 km ENE of San Ardo, CaliforniaSun, Oct 16, 3:06 PM PDT · 15691 days ago · 3 km deep · 95 km away
2. 1.921 km SW of Los Banos, CaliforniaTue, Oct 18, 1:57 PM PDT · 15689 days ago · 0 km deep · 36 km away
3. 1.814 km E of Seven Trees, CaliforniaWed, Oct 19, 12:00 AM PDT · 15688 days ago · 7 km deep · 67 km away
4. 1.725 km ENE of Soledad, CaliforniaWed, Oct 19, 7:39 AM PDT · 15688 days ago · 7 km deep · 35 km away
5. 2.27 km NE of San Juan Bautista, CaliforniaFri, Oct 21, 12:49 PM PDT · 15686 days ago · 5 km deep · 19 km away
6. 1.98 km ENE of Morgan Hill, CaliforniaSat, Oct 22, 1:19 PM PDT · 15685 days ago · 2 km deep · 48 km away
7. 3.612 km ESE of East Foothills, CaliforniaSat, Oct 22, 7:35 PM PDT · 15684 days ago · 7 km deep · 69 km away
8. 1.68 km NE of Milpitas, CaliforniaSat, Oct 22, 11:52 PM PDT · 15684 days ago · 6 km deep · 91 km away
9. 1.931 km ENE of Soledad, CaliforniaMon, Oct 24, 3:19 AM PDT · 15683 days ago · 7 km deep · 36 km away
10. 1.822 km NE of Soledad, CaliforniaTue, Oct 25, 1:24 AM PDT · 15682 days ago · 8 km deep · 30 km away
11. 2.723 km ENE of Soledad, CaliforniaTue, Oct 25, 1:34 AM PDT · 15682 days ago · 5 km deep · 36 km away
12. 1.919 km NNW of Coalinga, CaliforniaTue, Oct 25, 4:33 PM PDT · 15681 days ago · 9 km deep · 95 km away
13. 1.931 km ENE of Soledad, CaliforniaWed, Oct 26, 12:56 PM PDT · 15681 days ago · 8 km deep · 35 km away
14. 2.022 km ENE of San Ardo, CaliforniaWed, Oct 26, 2:44 PM PDT · 15681 days ago · 5 km deep · 93 km away
15. 2.08 km SW of Ridgemark, CaliforniaWed, Oct 26, 9:02 PM PDT · 15680 days ago · 7 km deep · 6 km away
16. 1.523 km NE of San Ardo, CaliforniaThu, Oct 27, 2:11 AM PDT · 15680 days ago · 3 km deep · 83 km away
17. 1.625 km ENE of Greenfield, CaliforniaThu, Oct 27, 10:26 AM PDT · 15680 days ago · 2 km deep · 49 km away
18. 1.614 km E of Seven Trees, CaliforniaThu, Oct 27, 11:41 PM PDT · 15679 days ago · 2 km deep · 65 km away
19. 2.213 km S of Tres Pinos, CaliforniaFri, Oct 28, 1:25 AM PDT · 15679 days ago · 2 km deep · 12 km away
20. 1.78 km N of Hollister, CaliforniaFri, Oct 28, 1:04 PM PDT · 15679 days ago · 8 km deep · 19 km away
21. 1.716 km NNW of Coalinga, CaliforniaSat, Oct 29, 4:50 PM PDT · 15677 days ago · 4 km deep · 98 km away
22. 2.521 km NE of Soledad, CaliforniaSat, Oct 29, 10:34 PM PDT · 15677 days ago · 5 km deep · 26 km away
23. 1.529 km ENE of Soledad, CaliforniaSun, Oct 30, 3:19 AM PST · 15677 days ago · 8 km deep · 39 km away
24. 1.730 km ENE of Soledad, CaliforniaMon, Oct 31, 6:15 AM PST · 15676 days ago · 8 km deep · 35 km away
25. 1.826 km NW of Coalinga, CaliforniaMon, Oct 31, 7:39 AM PST · 15676 days ago · 3 km deep · 87 km away
26. 2.06 km SSW of Davenport, CaliforniaThu, Nov 3, 9:55 PM PST · 15672 days ago · 5 km deep · 80 km away
27. 1.68 km NNW of Hollister, CaliforniaFri, Nov 4, 6:33 PM PST · 15671 days ago · 2 km deep · 19 km away
28. 2.016 km NNW of Coalinga, CaliforniaSat, Nov 5, 2:11 AM PST · 15671 days ago · 6 km deep · 99 km away
29. 2.424 km NE of Greenfield, CaliforniaSat, Nov 5, 5:22 PM PST · 15670 days ago · 7 km deep · 42 km away
30. 1.65 km SSE of San Juan Bautista, CaliforniaSun, Nov 6, 4:32 AM PST · 15670 days ago · 5 km deep · 14 km away
31. 2.85 km SSE of San Juan Bautista, CaliforniaSun, Nov 6, 4:33 AM PST · 15670 days ago · 5 km deep · 14 km away
32. 1.716 km NNW of Coalinga, CaliforniaSun, Nov 6, 10:49 AM PST · 15670 days ago · 7 km deep · 99 km away
33. 1.723 km WSW of Three Rocks, CaliforniaTue, Nov 8, 3:51 AM PST · 15668 days ago · 12 km deep · 73 km away
34. 1.716 km NNW of Coalinga, CaliforniaTue, Nov 8, 3:03 PM PST · 15667 days ago · 6 km deep · 100 km away
35. 1.79 km ENE of Milpitas, CaliforniaTue, Nov 8, 3:39 PM PST · 15667 days ago · 7 km deep · 88 km away
36. 2.012 km ESE of East Foothills, CaliforniaWed, Nov 9, 2:39 AM PST · 15667 days ago · 7 km deep · 69 km away
37. 1.96 km NNE of Interlaken, CaliforniaWed, Nov 9, 2:24 PM PST · 15667 days ago · 7 km deep · 41 km away
38. 1.817 km NNW of Coalinga, CaliforniaWed, Nov 9, 3:48 PM PST · 15666 days ago · 8 km deep · 98 km away
39. 1.721 km SSW of Three Rocks, CaliforniaWed, Nov 9, 11:15 PM PST · 15666 days ago · 9 km deep · 90 km away
40. 2.623 km NE of San Lucas, CaliforniaThu, Nov 10, 9:09 AM PST · 15666 days ago · 10 km deep · 70 km away
41. 2.29 km SSW of Tres Pinos, CaliforniaThu, Nov 10, 7:58 PM PST · 15665 days ago · 3 km deep · 6 km away
42. 1.59 km NNE of East Foothills, CaliforniaFri, Nov 11, 10:32 AM PST · 15665 days ago · 7 km deep · 86 km away
43. 2.35 km SSE of San Juan Bautista, CaliforniaSat, Nov 12, 5:17 AM PST · 15664 days ago · 3 km deep · 14 km away
44. 1.66 km ENE of Corralitos, CaliforniaSat, Nov 12, 9:25 AM PST · 15664 days ago · 0 km deep · 45 km away
45. 2.75 km NNE of Ridgemark, CaliforniaSat, Nov 12, 2:50 PM PST · 15663 days ago · 7 km deep · 11 km away
46. 2.016 km NNW of Coalinga, CaliforniaSun, Nov 13, 12:54 AM PST · 15663 days ago · 5 km deep · 98 km away
47. 1.64 km SW of Tres Pinos, CaliforniaSun, Nov 13, 5:37 AM PST · 15663 days ago · 5 km deep · 1 km away
48. 1.715 km NNW of Coalinga, CaliforniaSun, Nov 13, 11:36 AM PST · 15663 days ago · 7 km deep · 99 km away
49. 2.2Central CaliforniaMon, Nov 14, 10:46 AM PST · 15662 days ago · 9 km deep · 92 km away
50. 2.124 km NE of Greenfield, CaliforniaMon, Nov 14, 3:40 PM PST · 15661 days ago · 5 km deep · 43 km away
51. 1.624 km NE of Greenfield, CaliforniaMon, Nov 14, 7:14 PM PST · 15661 days ago · 7 km deep · 41 km away
52. 2.723 km ENE of Soledad, CaliforniaTue, Nov 15, 3:57 AM PST · 15661 days ago · 8 km deep · 35 km away
53. 2.215 km N of Morgan Hill, CaliforniaWed, Nov 16, 1:17 AM PST · 15660 days ago · 2 km deep · 62 km away
54. 1.622 km ENE of San Ardo, CaliforniaWed, Nov 16, 2:55 AM PST · 15660 days ago · -1 km deep · 96 km away
55. 1.825 km WSW of Lockwood, CaliforniaWed, Nov 16, 4:25 AM PST · 15660 days ago · 8 km deep · 100 km away
56. 1.85 km SSW of Ridgemark, CaliforniaThu, Nov 17, 4:35 PM PST · 15658 days ago · 8 km deep · 4 km away
57. 1.624 km NE of Greenfield, CaliforniaThu, Nov 17, 8:37 PM PST · 15658 days ago · 7 km deep · 46 km away
58. 1.612 km ENE of Hollister, CaliforniaFri, Nov 18, 12:55 AM PST · 15658 days ago · 5 km deep · 18 km away
59. 1.615 km S of Three Rocks, CaliforniaFri, Nov 18, 3:36 AM PST · 15658 days ago · 11 km deep · 96 km away
60. 1.725 km NE of King City, CaliforniaFri, Nov 18, 12:00 PM PST · 15658 days ago · 1 km deep · 53 km away

The first 60 of 116.

Before

1. 1.74 km SW of Tres Pinos, CaliforniaSat, Oct 15, 1:34 PM PDT · 15692 days ago · 8 km deep · 0 km away
2. 1.727 km ENE of Soledad, CaliforniaFri, Oct 14, 10:04 AM PDT · 15693 days ago · 6 km deep · 37 km away
3. 2.0Central CaliforniaFri, Oct 14, 9:33 AM PDT · 15693 days ago · 4 km deep · 43 km away
4. 1.921 km NE of Soledad, CaliforniaFri, Oct 14, 2:44 AM PDT · 15693 days ago · 4 km deep · 30 km away
5. 1.621 km NE of Soledad, CaliforniaFri, Oct 14, 2:26 AM PDT · 15693 days ago · 3 km deep · 29 km away
6. 2.614 km ESE of Big Sur, CaliforniaFri, Oct 14, 2:11 AM PDT · 15693 days ago · 8 km deep · 68 km away
7. 1.67 km SSE of San Juan Bautista, CaliforniaThu, Oct 13, 5:02 PM PDT · 15693 days ago · 9 km deep · 14 km away
8. 2.522 km NE of Soledad, CaliforniaThu, Oct 13, 1:52 PM PDT · 15694 days ago · 7 km deep · 32 km away
9. 2.320 km NW of Coalinga, CaliforniaWed, Oct 12, 5:43 PM PDT · 15694 days ago · 8 km deep · 94 km away
10. 1.8Central CaliforniaWed, Oct 12, 1:08 PM PDT · 15695 days ago · 6 km deep · 16 km away
11. 2.421 km NE of Soledad, CaliforniaTue, Oct 11, 6:14 PM PDT · 15695 days ago · 5 km deep · 26 km away
12. 2.422 km NE of Soledad, CaliforniaTue, Oct 11, 4:53 PM PDT · 15695 days ago · 4 km deep · 25 km away
13. 1.68 km SSW of Tres Pinos, CaliforniaTue, Oct 11, 1:03 AM PDT · 15696 days ago · 7 km deep · 5 km away
14. 1.637 km ENE of Greenfield, CaliforniaMon, Oct 10, 1:05 PM PDT · 15697 days ago · 14 km deep · 51 km away
15. 2.015 km NNW of Coalinga, CaliforniaMon, Oct 10, 10:17 AM PDT · 15697 days ago · 4 km deep · 99 km away
16. 2.67 km E of East Foothills, CaliforniaMon, Oct 10, 9:44 AM PDT · 15697 days ago · 8 km deep · 75 km away
17. 3.17 km E of East Foothills, CaliforniaMon, Oct 10, 9:40 AM PDT · 15697 days ago · 8 km deep · 75 km away
18. 2.521 km NE of Soledad, CaliforniaMon, Oct 10, 9:20 AM PDT · 15697 days ago · 5 km deep · 26 km away
19. 2.516 km NNW of Coalinga, CaliforniaMon, Oct 10, 1:12 AM PDT · 15697 days ago · 7 km deep · 100 km away
20. 1.718 km NNW of Coalinga, CaliforniaSat, Oct 8, 5:06 PM PDT · 15698 days ago · 9 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1104986. Read Thu, Oct 1, 2026, 10:18 AM UTC.