M2.7 earthquake 5 km NNE of Ridgemark, California

Magnitude

2.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Nov 12, 1983, 2:50 PM PST

UTC

1983-11-12 22:50:46 UTC

Depth

6.9 km (4.3 mi), shallow

Epicenter

36.859° N, 121.334° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

40°

Stations used

70

• Ridgemark, CaliforniaPopulation 3,016. Forecast6 kmNNE
• Hollister, CaliforniaPopulation 37,462. Forecast6 kmE
• Salinas, CaliforniaPopulation 157,380. Forecast35 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast419 kmNW

After

1. 1.64 km SW of Tres Pinos, CaliforniaSun, Nov 13, 5:37 AM PST · 15663 days ago · 5 km deep · 11 km away
2. 2.2Central CaliforniaMon, Nov 14, 10:46 AM PST · 15662 days ago · 9 km deep · 97 km away
3. 2.124 km NE of Greenfield, CaliforniaMon, Nov 14, 3:40 PM PST · 15662 days ago · 5 km deep · 50 km away
4. 1.624 km NE of Greenfield, CaliforniaMon, Nov 14, 7:14 PM PST · 15661 days ago · 7 km deep · 48 km away
5. 2.723 km ENE of Soledad, CaliforniaTue, Nov 15, 3:57 AM PST · 15661 days ago · 8 km deep · 42 km away
6. 2.215 km N of Morgan Hill, CaliforniaWed, Nov 16, 1:17 AM PST · 15660 days ago · 2 km deep · 54 km away
7. 1.85 km SSW of Ridgemark, CaliforniaThu, Nov 17, 4:35 PM PST · 15658 days ago · 8 km deep · 12 km away
8. 1.624 km NE of Greenfield, CaliforniaThu, Nov 17, 8:37 PM PST · 15658 days ago · 7 km deep · 53 km away
9. 1.612 km ENE of Hollister, CaliforniaFri, Nov 18, 12:55 AM PST · 15658 days ago · 5 km deep · 8 km away
10. 1.615 km S of Three Rocks, CaliforniaFri, Nov 18, 3:36 AM PST · 15658 days ago · 11 km deep · 99 km away
11. 1.725 km NE of King City, CaliforniaFri, Nov 18, 12:00 PM PST · 15658 days ago · 1 km deep · 61 km away
12. 1.533 km W of Three Rocks, CaliforniaSat, Nov 19, 4:26 PM PST · 15656 days ago · 11 km deep · 62 km away
13. 2.128 km NE of Greenfield, CaliforniaSat, Nov 19, 7:22 PM PST · 15656 days ago · 6 km deep · 48 km away
14. 1.924 km NE of Greenfield, CaliforniaSat, Nov 19, 8:40 PM PST · 15656 days ago · 5 km deep · 49 km away
15. 1.927 km ENE of Soledad, CaliforniaSun, Nov 20, 1:04 AM PST · 15656 days ago · 8 km deep · 44 km away
16. 2.331 km ENE of Soledad, CaliforniaMon, Nov 21, 2:28 AM PST · 15655 days ago · 7 km deep · 41 km away
17. 2.925 km ENE of Greenfield, CaliforniaMon, Nov 21, 4:49 AM PST · 15655 days ago · 4 km deep · 58 km away
18. 2.16 km WSW of Gilroy, CaliforniaTue, Nov 22, 7:22 PM PST · 15653 days ago · 4 km deep · 30 km away
19. 1.75 km NE of San Martin, CaliforniaWed, Nov 23, 5:20 AM PST · 15653 days ago · 3 km deep · 36 km away
20. 2.35 km NE of San Martin, CaliforniaWed, Nov 23, 6:46 AM PST · 15653 days ago · 3 km deep · 36 km away
21. 2.15 km NE of San Martin, CaliforniaWed, Nov 23, 7:48 AM PST · 15653 days ago · 3 km deep · 36 km away
22. 1.915 km S of Pescadero, CaliforniaFri, Nov 25, 2:31 PM PST · 15651 days ago · 10 km deep · 95 km away
23. 2.05 km SSE of San Juan Bautista, CaliforniaSat, Nov 26, 7:40 AM PST · 15650 days ago · 5 km deep · 17 km away
24. 2.821 km NE of Soledad, CaliforniaSat, Nov 26, 11:32 AM PST · 15650 days ago · 6 km deep · 35 km away
25. 2.421 km NE of Soledad, CaliforniaSat, Nov 26, 11:53 AM PST · 15650 days ago · 5 km deep · 36 km away
26. 1.722 km NE of Morgan Hill, CaliforniaSun, Nov 27, 11:43 AM PST · 15649 days ago · 2 km deep · 48 km away
27. 1.621 km NE of Soledad, CaliforniaSun, Nov 27, 8:03 PM PST · 15648 days ago · 5 km deep · 36 km away
28. 2.57 km SSE of Gilroy, CaliforniaMon, Nov 28, 1:08 PM PST · 15648 days ago · 4 km deep · 20 km away
29. 1.67 km SSE of Gilroy, CaliforniaMon, Nov 28, 1:21 PM PST · 15648 days ago · 5 km deep · 21 km away
30. 2.317 km W of Volta, CaliforniaTue, Nov 29, 1:23 PM PST · 15647 days ago · 0 km deep · 35 km away
31. 1.715 km E of Seven Trees, CaliforniaTue, Nov 29, 8:39 PM PST · 15646 days ago · 2 km deep · 56 km away
32. 1.62 km WSW of San Juan Bautista, CaliforniaThu, Dec 1, 5:45 PM PST · 15644 days ago · 5 km deep · 21 km away
33. 1.721 km ESE of Big Sur, CaliforniaThu, Dec 1, 6:16 PM PST · 15644 days ago · 11 km deep · 76 km away
34. 1.98 km NE of San Martin, CaliforniaThu, Dec 1, 6:39 PM PST · 15644 days ago · 8 km deep · 35 km away
35. 1.925 km ENE of San Lucas, CaliforniaFri, Dec 2, 4:06 PM PST · 15643 days ago · 7 km deep · 88 km away
36. 1.631 km SE of Big Sur, CaliforniaFri, Dec 2, 5:12 PM PST · 15643 days ago · 6 km deep · 90 km away
37. 1.532 km SE of Big Sur, CaliforniaFri, Dec 2, 7:45 PM PST · 15643 days ago · 7 km deep · 90 km away
38. 1.79 km SSW of Tres Pinos, CaliforniaFri, Dec 2, 9:48 PM PST · 15643 days ago · 3 km deep · 17 km away
39. 3.12 km SSW of Ridgemark, CaliforniaSat, Dec 3, 2:06 PM PST · 15643 days ago · 3 km deep · 8 km away
40. 1.612 km NW of Diablo Grande, CaliforniaMon, Dec 5, 4:09 AM PST · 15641 days ago · 3 km deep · 69 km away
41. 1.630 km NE of King City, CaliforniaMon, Dec 5, 7:18 PM PST · 15640 days ago · 7 km deep · 63 km away
42. 3.029 km ENE of Soledad, CaliforniaTue, Dec 6, 4:23 PM PST · 15639 days ago · 5 km deep · 45 km away
43. 1.822 km WNW of Diablo Grande, CaliforniaTue, Dec 6, 6:38 PM PST · 15639 days ago · 5 km deep · 67 km away
44. 3.1Central CaliforniaTue, Dec 6, 11:45 PM PST · 15639 days ago · 5 km deep · 45 km away
45. 2.611 km S of Tres Pinos, CaliforniaFri, Dec 9, 1:02 AM PST · 15637 days ago · 5 km deep · 19 km away
46. 2.99 km ESE of East Foothills, CaliforniaFri, Dec 9, 9:29 PM PST · 15636 days ago · 7 km deep · 64 km away
47. 2.410 km ESE of East Foothills, CaliforniaFri, Dec 9, 9:41 PM PST · 15636 days ago · 8 km deep · 63 km away
48. 2.310 km S of Tres Pinos, CaliforniaSat, Dec 10, 6:38 AM PST · 15636 days ago · 4 km deep · 18 km away
49. 1.910 km S of Tres Pinos, CaliforniaSat, Dec 10, 6:51 AM PST · 15636 days ago · 5 km deep · 19 km away
50. 2.110 km S of Tres Pinos, CaliforniaSat, Dec 10, 9:02 AM PST · 15636 days ago · 5 km deep · 19 km away
51. 2.010 km SSE of Livermore, CaliforniaSat, Dec 10, 7:43 PM PST · 15635 days ago · 5 km deep · 89 km away
52. 2.721 km SSE of Tres Pinos, CaliforniaSun, Dec 11, 4:13 PM PST · 15634 days ago · 6 km deep · 29 km away
53. 1.921 km SSE of Tres Pinos, CaliforniaSun, Dec 11, 9:42 PM PST · 15634 days ago · 5 km deep · 29 km away
54. 2.16 km E of East Foothills, CaliforniaMon, Dec 12, 8:14 PM PST · 15633 days ago · 6 km deep · 69 km away
55. 3.41 km ENE of Ridgemark, CaliforniaTue, Dec 13, 1:38 PM PST · 15633 days ago · 5 km deep · 5 km away
56. 2.02 km S of San Juan Bautista, CaliforniaTue, Dec 13, 5:33 PM PST · 15632 days ago · 6 km deep · 19 km away
57. 2.72 km S of San Juan Bautista, CaliforniaWed, Dec 14, 6:42 AM PST · 15632 days ago · 6 km deep · 19 km away
58. 1.721 km NE of Soledad, CaliforniaWed, Dec 14, 6:44 AM PST · 15632 days ago · 4 km deep · 40 km away
59. 2.121 km NE of Soledad, CaliforniaThu, Dec 15, 1:09 AM PST · 15631 days ago · 6 km deep · 39 km away
60. 2.4Central CaliforniaThu, Dec 15, 1:59 AM PST · 15631 days ago · 7 km deep · 50 km away

The first 60 of 116.

Before

1. 1.66 km ENE of Corralitos, CaliforniaSat, Nov 12, 9:25 AM PST · 15664 days ago · 0 km deep · 41 km away
2. 2.35 km SSE of San Juan Bautista, CaliforniaSat, Nov 12, 5:17 AM PST · 15664 days ago · 3 km deep · 17 km away
3. 1.59 km NNE of East Foothills, CaliforniaFri, Nov 11, 10:32 AM PST · 15665 days ago · 7 km deep · 78 km away
4. 2.29 km SSW of Tres Pinos, CaliforniaThu, Nov 10, 7:58 PM PST · 15665 days ago · 3 km deep · 17 km away
5. 2.623 km NE of San Lucas, CaliforniaThu, Nov 10, 9:09 AM PST · 15666 days ago · 10 km deep · 77 km away
6. 1.721 km SSW of Three Rocks, CaliforniaWed, Nov 9, 11:15 PM PST · 15666 days ago · 9 km deep · 95 km away
7. 1.96 km NNE of Interlaken, CaliforniaWed, Nov 9, 2:24 PM PST · 15667 days ago · 7 km deep · 37 km away
8. 2.012 km ESE of East Foothills, CaliforniaWed, Nov 9, 2:39 AM PST · 15667 days ago · 7 km deep · 61 km away
9. 1.79 km ENE of Milpitas, CaliforniaTue, Nov 8, 3:39 PM PST · 15668 days ago · 7 km deep · 80 km away
10. 1.723 km WSW of Three Rocks, CaliforniaTue, Nov 8, 3:51 AM PST · 15668 days ago · 12 km deep · 77 km away
11. 2.85 km SSE of San Juan Bautista, CaliforniaSun, Nov 6, 4:33 AM PST · 15670 days ago · 5 km deep · 17 km away
12. 1.65 km SSE of San Juan Bautista, CaliforniaSun, Nov 6, 4:32 AM PST · 15670 days ago · 5 km deep · 17 km away
13. 2.424 km NE of Greenfield, CaliforniaSat, Nov 5, 5:22 PM PST · 15670 days ago · 7 km deep · 49 km away
14. 1.68 km NNW of Hollister, CaliforniaFri, Nov 4, 6:33 PM PST · 15671 days ago · 2 km deep · 11 km away
15. 2.06 km SSW of Davenport, CaliforniaThu, Nov 3, 9:55 PM PST · 15672 days ago · 5 km deep · 80 km away
16. 1.826 km NW of Coalinga, CaliforniaMon, Oct 31, 7:39 AM PST · 15676 days ago · 3 km deep · 92 km away
17. 1.730 km ENE of Soledad, CaliforniaMon, Oct 31, 6:15 AM PST · 15676 days ago · 8 km deep · 41 km away
18. 1.529 km ENE of Soledad, CaliforniaSun, Oct 30, 3:19 AM PST · 15677 days ago · 8 km deep · 46 km away
19. 2.521 km NE of Soledad, CaliforniaSat, Oct 29, 10:34 PM PDT · 15677 days ago · 5 km deep · 34 km away
20. 1.78 km N of Hollister, CaliforniaFri, Oct 28, 1:04 PM PDT · 15679 days ago · 8 km deep · 10 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1106735. Read Thu, Oct 1, 2026, 11:17 AM UTC.