M1.7 earthquake 6 km SSW of Ridgemark, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, Jun 5, 1983, 6:56 AM PDT

UTC

1983-06-05 13:56:39 UTC

Depth

10.2 km (6.3 mi), shallow

Epicenter

36.760° N, 121.392° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

32°

Stations used

44

• Ridgemark, CaliforniaPopulation 3,016. Forecast6 kmSSW
• Hollister, CaliforniaPopulation 37,462. Forecast10 kmS
• Salinas, CaliforniaPopulation 157,380. Forecast25 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast415 kmNW

After

1. 1.56 km ENE of East Foothills, CaliforniaSun, Jun 5, 5:04 PM PDT · 15824 days ago · 6 km deep · 79 km away
2. 1.733 km W of Three Rocks, CaliforniaSun, Jun 5, 7:26 PM PDT · 15824 days ago · 14 km deep · 65 km away
3. 1.723 km NNE of San Ardo, CaliforniaSun, Jun 5, 9:01 PM PDT · 15824 days ago · 5 km deep · 84 km away
4. 1.718 km NNW of Coalinga, CaliforniaMon, Jun 6, 7:36 PM PDT · 15823 days ago · 8 km deep · 99 km away
5. 1.8Central CaliforniaMon, Jun 6, 8:45 PM PDT · 15823 days ago · 5 km deep · 95 km away
6. 1.9Northern CaliforniaTue, Jun 7, 1:26 AM PDT · 15823 days ago · 3 km deep · 42 km away
7. 2.121 km NE of Soledad, CaliforniaTue, Jun 7, 1:42 AM PDT · 15823 days ago · 9 km deep · 33 km away
8. 1.517 km NNW of Coalinga, CaliforniaTue, Jun 7, 3:53 AM PDT · 15823 days ago · 11 km deep · 100 km away
9. 1.817 km NNW of Coalinga, CaliforniaTue, Jun 7, 4:51 AM PDT · 15823 days ago · 10 km deep · 99 km away
10. 1.517 km NNW of Coalinga, CaliforniaTue, Jun 7, 4:54 AM PDT · 15823 days ago · 10 km deep · 100 km away
11. 2.421 km NE of Soledad, CaliforniaTue, Jun 7, 1:22 PM PDT · 15822 days ago · 2 km deep · 29 km away
12. 1.617 km NNW of Coalinga, CaliforniaWed, Jun 8, 1:39 AM PDT · 15822 days ago · 7 km deep · 99 km away
13. 1.518 km NNW of Coalinga, CaliforniaWed, Jun 8, 4:37 AM PDT · 15822 days ago · 8 km deep · 99 km away
14. 1.922 km ESE of Tres Pinos, CaliforniaThu, Jun 9, 10:39 PM PDT · 15820 days ago · 1 km deep · 28 km away
15. 2.521 km NE of Soledad, CaliforniaThu, Jun 9, 11:59 PM PDT · 15820 days ago · 6 km deep · 29 km away
16. 1.86 km SSW of Ridgemark, CaliforniaFri, Jun 10, 2:58 AM PDT · 15820 days ago · 10 km deep · 0 km away
17. 1.76 km SSW of Ridgemark, CaliforniaFri, Jun 10, 3:03 AM PDT · 15820 days ago · 10 km deep · 0 km away
18. 2.114 km N of Morgan Hill, CaliforniaFri, Jun 10, 3:03 AM PDT · 15820 days ago · 3 km deep · 60 km away
19. 1.820 km NW of Diablo Grande, CaliforniaFri, Jun 10, 4:04 AM PDT · 15820 days ago · 2 km deep · 86 km away
20. 2.230 km NE of Soledad, CaliforniaFri, Jun 10, 12:35 PM PDT · 15819 days ago · 7 km deep · 36 km away
21. 1.78 km E of San Martin, CaliforniaFri, Jun 10, 2:01 PM PDT · 15819 days ago · 0 km deep · 39 km away
22. 2.523 km SSW of Three Rocks, CaliforniaFri, Jun 10, 10:47 PM PDT · 15819 days ago · 9 km deep · 91 km away
23. 2.45 km NE of Morgan Hill, CaliforniaSun, Jun 12, 11:47 AM PDT · 15817 days ago · 4 km deep · 49 km away
24. 1.96 km SSE of Gilroy, CaliforniaMon, Jun 13, 1:53 PM PDT · 15816 days ago · 5 km deep · 25 km away
25. 1.922 km ENE of San Lucas, CaliforniaMon, Jun 13, 4:57 PM PDT · 15816 days ago · 5 km deep · 80 km away
26. 1.710 km SE of Sunol, CaliforniaMon, Jun 13, 8:06 PM PDT · 15816 days ago · 5 km deep · 94 km away
27. 1.89 km ENE of Morgan Hill, CaliforniaTue, Jun 14, 2:03 AM PDT · 15816 days ago · 6 km deep · 46 km away
28. 2.39 km SSW of Three Rocks, CaliforniaWed, Jun 15, 9:51 AM PDT · 15814 days ago · 7 km deep · 95 km away
29. 1.921 km NE of East Foothills, CaliforniaWed, Jun 15, 10:47 AM PDT · 15814 days ago · 5 km deep · 85 km away
30. 2.12 km WSW of Stevinson, CaliforniaWed, Jun 15, 5:30 PM PDT · 15814 days ago · 0 km deep · 77 km away
31. 1.911 km ESE of East Foothills, CaliforniaWed, Jun 15, 9:35 PM PDT · 15814 days ago · 6 km deep · 70 km away
32. 1.6Northern CaliforniaThu, Jun 16, 3:44 AM PDT · 15814 days ago · 2 km deep · 93 km away
33. 2.016 km SE of Livermore, CAThu, Jun 16, 3:58 AM PDT · 15814 days ago · 2 km deep · 93 km away
34. 2.011 km ENE of Morgan Hill, CaliforniaThu, Jun 16, 5:06 AM PDT · 15814 days ago · 4 km deep · 47 km away
35. 2.223 km ENE of San Lucas, CaliforniaThu, Jun 16, 2:00 PM PDT · 15813 days ago · 5 km deep · 80 km away
36. 2.723 km NNE of San Ardo, CaliforniaFri, Jun 17, 12:19 AM PDT · 15813 days ago · 6 km deep · 83 km away
37. 2.52 km SE of San Ardo, CaliforniaFri, Jun 17, 12:34 AM PDT · 15813 days ago · 10 km deep · 95 km away
38. 1.620 km ENE of San Lucas, CaliforniaFri, Jun 17, 7:03 AM PDT · 15813 days ago · 6 km deep · 82 km away
39. 3.126 km ESE of Big Sur, CaliforniaFri, Jun 17, 11:45 AM PDT · 15812 days ago · 7 km deep · 70 km away
40. 2.126 km SE of Big Sur, CaliforniaFri, Jun 17, 11:48 AM PDT · 15812 days ago · 4 km deep · 71 km away
41. 1.526 km ESE of Big Sur, CaliforniaFri, Jun 17, 11:57 AM PDT · 15812 days ago · 10 km deep · 70 km away
42. 1.826 km ESE of Big Sur, CaliforniaFri, Jun 17, 11:57 AM PDT · 15812 days ago · 9 km deep · 69 km away
43. 2.026 km ESE of Big Sur, CaliforniaFri, Jun 17, 12:07 PM PDT · 15812 days ago · 16 km deep · 70 km away
44. 1.828 km ENE of Soledad, CaliforniaFri, Jun 17, 12:43 PM PDT · 15812 days ago · 5 km deep · 38 km away
45. 2.425 km SE of Big Sur, CaliforniaFri, Jun 17, 12:44 PM PDT · 15812 days ago · 8 km deep · 71 km away
46. 2.524 km ESE of Big Sur, CaliforniaFri, Jun 17, 1:45 PM PDT · 15812 days ago · 7 km deep · 70 km away
47. 2.825 km ESE of Big Sur, CaliforniaFri, Jun 17, 1:48 PM PDT · 15812 days ago · 6 km deep · 69 km away
48. 2.324 km SE of Big Sur, CaliforniaFri, Jun 17, 3:11 PM PDT · 15812 days ago · 5 km deep · 71 km away
49. 2.416 km NE of East Foothills, CaliforniaFri, Jun 17, 3:50 PM PDT · 15812 days ago · 6 km deep · 85 km away
50. 1.926 km ESE of Big Sur, CaliforniaFri, Jun 17, 4:07 PM PDT · 15812 days ago · 9 km deep · 70 km away
51. 1.626 km SE of Big Sur, CaliforniaFri, Jun 17, 5:03 PM PDT · 15812 days ago · 4 km deep · 71 km away
52. 1.95 km SSW of Ridgemark, CaliforniaSat, Jun 18, 12:55 AM PDT · 15812 days ago · 11 km deep · 1 km away
53. 3.021 km NE of Soledad, CaliforniaSat, Jun 18, 3:35 AM PDT · 15812 days ago · 4 km deep · 28 km away
54. 2.925 km ESE of Big Sur, CaliforniaSat, Jun 18, 4:50 AM PDT · 15812 days ago · 8 km deep · 70 km away
55. 1.926 km ESE of Big Sur, CaliforniaSat, Jun 18, 3:54 PM PDT · 15811 days ago · 10 km deep · 70 km away
56. 2.625 km ESE of Big Sur, CaliforniaSat, Jun 18, 8:48 PM PDT · 15811 days ago · 6 km deep · 69 km away
57. 2.421 km NE of Soledad, CaliforniaSat, Jun 18, 9:41 PM PDT · 15811 days ago · 3 km deep · 32 km away
58. 1.79 km N of East Foothills, CaliforniaSun, Jun 19, 5:54 AM PDT · 15811 days ago · 6 km deep · 86 km away
59. 1.926 km ESE of Big Sur, CaliforniaSun, Jun 19, 6:30 AM PDT · 15811 days ago · 8 km deep · 69 km away
60. 2.12 km SE of San Ardo, CaliforniaSun, Jun 19, 6:49 AM PDT · 15811 days ago · 9 km deep · 96 km away

The first 60 of 176.

Before

1. 1.628 km ENE of Soledad, CaliforniaSat, Jun 4, 11:50 PM PDT · 15825 days ago · 8 km deep · 36 km away
2. 1.624 km SE of Tres Pinos, CaliforniaSat, Jun 4, 9:06 AM PDT · 15825 days ago · 9 km deep · 28 km away
3. 2.121 km NE of Soledad, CaliforniaSat, Jun 4, 7:16 AM PDT · 15826 days ago · 5 km deep · 30 km away
4. 1.89 km E of San Martin, CaliforniaSat, Jun 4, 5:21 AM PDT · 15826 days ago · 9 km deep · 38 km away
5. 2.222 km ESE of Tres Pinos, CaliforniaSat, Jun 4, 12:07 AM PDT · 15826 days ago · 1 km deep · 28 km away
6. 2.024 km SE of Tres Pinos, CaliforniaFri, Jun 3, 5:32 PM PDT · 15826 days ago · 9 km deep · 28 km away
7. 2.036 km SSW of South Dos Palos, CaliforniaFri, Jun 3, 12:31 PM PDT · 15826 days ago · 6 km deep · 49 km away
8. 1.621 km ENE of Greenfield, CaliforniaFri, Jun 3, 4:42 AM PDT · 15827 days ago · 11 km deep · 51 km away
9. 2.021 km NE of Soledad, CaliforniaThu, Jun 2, 10:08 PM PDT · 15827 days ago · 7 km deep · 30 km away
10. 2.518 km NE of King City, CaliforniaThu, Jun 2, 9:15 AM PDT · 15827 days ago · 5 km deep · 64 km away
11. 1.621 km SSE of Tres Pinos, CaliforniaThu, Jun 2, 4:08 AM PDT · 15828 days ago · 7 km deep · 22 km away
12. 1.915 km SSE of Tres Pinos, CaliforniaThu, Jun 2, 2:34 AM PDT · 15828 days ago · 5 km deep · 16 km away
13. 1.725 km NE of Greenfield, CaliforniaWed, Jun 1, 8:03 PM PDT · 15828 days ago · 6 km deep · 46 km away
14. 1.822 km ENE of San Ardo, CaliforniaWed, Jun 1, 7:04 PM PDT · 15828 days ago · 5 km deep · 95 km away
15. 1.74 km S of San Juan Bautista, CaliforniaWed, Jun 1, 11:44 AM PDT · 15828 days ago · 10 km deep · 13 km away
16. 2.032 km ENE of Greenfield, CaliforniaWed, Jun 1, 9:19 AM PDT · 15828 days ago · 6 km deep · 54 km away
17. 2.425 km NW of Coalinga, CaliforniaTue, May 31, 9:49 PM PDT · 15829 days ago · 15 km deep · 90 km away
18. 1.827 km WNW of Coalinga, CaliforniaTue, May 31, 9:36 PM PDT · 15829 days ago · 8 km deep · 88 km away
19. 1.920 km SSE of Tres Pinos, CaliforniaTue, May 31, 3:42 AM PDT · 15830 days ago · 5 km deep · 21 km away
20. 2.324 km ENE of Soledad, CaliforniaTue, May 31, 2:08 AM PDT · 15830 days ago · 8 km deep · 37 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1096199. Read Fri, Oct 2, 2026, 1:52 AM UTC.