M1.6 earthquake 23 km NNE of San Ardo, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Nov 1, 1990, 6:15 AM PST

UTC

1990-11-01 14:15:08 UTC

Depth

6.6 km (4.1 mi), shallow

Epicenter

36.203° N, 120.764° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

148°

Stations used

21

• San Ardo, CaliforniaPopulation 517. Forecast24 kmNNE
• King City, CaliforniaPopulation 13,902. Forecast32 kmE
• Salinas, CaliforniaPopulation 157,380. Forecast96 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast331 kmNW

After

1. 1.88 km NE of Avenal, CaliforniaThu, Nov 1, 10:45 PM PST · 13121 days ago · 17 km deep · 65 km away
2. 1.85 km NE of Avenal, CaliforniaThu, Nov 1, 10:48 PM PST · 13121 days ago · 14 km deep · 63 km away
3. 1.70 km W of Avenal, CaliforniaThu, Nov 1, 10:53 PM PST · 13121 days ago · 9 km deep · 61 km away
4. 2.05 km NE of Avenal, CaliforniaThu, Nov 1, 11:21 PM PST · 13120 days ago · 16 km deep · 64 km away
5. 2.022 km ENE of San Ardo, CaliforniaFri, Nov 2, 3:30 AM PST · 13120 days ago · 2 km deep · 13 km away
6. 1.57 km N of Avenal, CaliforniaFri, Nov 2, 11:46 AM PST · 13120 days ago · 7 km deep · 60 km away
7. 1.93 km S of San Juan Bautista, CaliforniaFri, Nov 2, 12:29 PM PST · 13120 days ago · 6 km deep · 97 km away
8. 2.19 km SSW of Tres Pinos, CaliforniaFri, Nov 2, 6:29 PM PST · 13120 days ago · 2 km deep · 78 km away
9. 1.55 km WNW of Parkfield, CaliforniaSun, Nov 4, 7:32 AM PST · 13118 days ago · 5 km deep · 40 km away
10. 1.921 km NE of Soledad, CaliforniaSun, Nov 4, 11:17 AM PST · 13118 days ago · 6 km deep · 54 km away
11. 1.714 km WSW of Lockwood, CaliforniaSun, Nov 4, 8:35 PM PST · 13118 days ago · 9 km deep · 55 km away
12. 2.94 km WSW of Hollister, CaliforniaThu, Nov 8, 1:30 AM PST · 13114 days ago · 2 km deep · 93 km away
13. 2.037 km SSW of South Dos Palos, CaliforniaThu, Nov 8, 4:55 PM PST · 13114 days ago · 6 km deep · 52 km away
14. 4.011 km SSW of Oak Shores, CaliforniaFri, Nov 9, 7:01 PM PST · 13113 days ago · 8 km deep · 63 km away
15. 2.12 km E of Big Sur, CaliforniaSun, Nov 11, 5:15 AM PST · 13111 days ago · 13 km deep · 92 km away
16. 2.88 km NNE of Avenal, CaliforniaMon, Nov 12, 12:58 PM PST · 13110 days ago · 6 km deep · 61 km away
17. 1.68 km N of Avenal, CaliforniaMon, Nov 12, 4:59 PM PST · 13110 days ago · 6 km deep · 60 km away
18. 2.121 km NE of Soledad, CaliforniaWed, Nov 14, 4:29 AM PST · 13108 days ago · 6 km deep · 52 km away
19. 2.79 km S of Tres Pinos, CaliforniaWed, Nov 14, 5:48 AM PST · 13108 days ago · 3 km deep · 75 km away
20. 3.110 km NW of Parkfield, CaliforniaWed, Nov 14, 11:34 AM PST · 13108 days ago · 7 km deep · 34 km away
21. 1.86 km SSW of Ridgemark, CaliforniaWed, Nov 14, 1:58 PM PST · 13108 days ago · 6 km deep · 83 km away
22. 1.69 km ENE of Tres Pinos, CaliforniaThu, Nov 15, 9:33 AM PST · 13107 days ago · 7 km deep · 82 km away
23. 2.411 km NW of Parkfield, CaliforniaThu, Nov 15, 4:57 PM PST · 13107 days ago · 7 km deep · 34 km away
24. 2.321 km NE of Soledad, CaliforniaFri, Nov 16, 4:27 AM PST · 13106 days ago · 5 km deep · 54 km away
25. 2.124 km WSW of Coalinga, CaliforniaFri, Nov 16, 5:07 PM PST · 13106 days ago · 6 km deep · 20 km away
26. 2.323 km ENE of San Lucas, CaliforniaFri, Nov 16, 8:26 PM PST · 13106 days ago · 5 km deep · 4 km away
27. 1.724 km NE of King City, CaliforniaFri, Nov 16, 11:05 PM PST · 13105 days ago · 1 km deep · 27 km away
28. 2.85 km SSE of San Juan Bautista, CaliforniaSat, Nov 17, 2:12 PM PST · 13105 days ago · 5 km deep · 94 km away
29. 1.522 km ENE of San Ardo, CaliforniaSun, Nov 18, 10:27 PM PST · 13104 days ago · 2 km deep · 13 km away
30. 1.719 km NNW of Coalinga, CaliforniaMon, Nov 19, 8:26 AM PST · 13103 days ago · 12 km deep · 30 km away
31. 1.623 km NNE of San Lucas, CaliforniaMon, Nov 19, 11:45 AM PST · 13103 days ago · 6 km deep · 17 km away
32. 1.54 km WNW of Gonzales, CaliforniaMon, Nov 19, 12:21 PM PST · 13103 days ago · 11 km deep · 74 km away
33. 1.712 km NNW of Avenal, CaliforniaMon, Nov 19, 6:47 PM PST · 13103 days ago · 18 km deep · 52 km away
34. 1.87 km SE of San Juan Bautista, CaliforniaMon, Nov 19, 7:12 PM PST · 13103 days ago · 4 km deep · 92 km away
35. 2.122 km NE of Soledad, CaliforniaMon, Nov 19, 7:46 PM PST · 13103 days ago · 4 km deep · 57 km away
36. 1.521 km NE of Soledad, CaliforniaTue, Nov 20, 3:36 AM PST · 13102 days ago · 6 km deep · 53 km away
37. 2.8Central CaliforniaTue, Nov 20, 12:57 PM PST · 13102 days ago · 3 km deep · 76 km away
38. 2.25 km S of Cantua Creek, CaliforniaTue, Nov 20, 2:47 PM PST · 13102 days ago · 4 km deep · 49 km away
39. 1.99 km SSW of Tres Pinos, CaliforniaWed, Nov 21, 8:41 AM PST · 13101 days ago · 3 km deep · 76 km away
40. 1.621 km NE of Soledad, CaliforniaWed, Nov 21, 10:50 AM PST · 13101 days ago · 7 km deep · 53 km away
41. 2.015 km NW of Parkfield, CaliforniaThu, Nov 22, 3:56 AM PST · 13100 days ago · 4 km deep · 29 km away
42. 2.15 km SSE of San Juan Bautista, CaliforniaThu, Nov 22, 12:03 PM PST · 13100 days ago · 5 km deep · 94 km away
43. 2.524 km ENE of Soledad, CaliforniaThu, Nov 22, 10:54 PM PST · 13100 days ago · 3 km deep · 43 km away
44. 2.215 km NW of Parkfield, CaliforniaThu, Nov 22, 11:26 PM PST · 13099 days ago · 4 km deep · 29 km away
45. 2.523 km NE of King City, CaliforniaThu, Nov 22, 11:52 PM PST · 13099 days ago · 6 km deep · 27 km away
46. 1.729 km SE of Big Sur, CaliforniaFri, Nov 23, 2:45 AM PST · 13099 days ago · 11 km deep · 73 km away
47. 2.921 km NE of Soledad, CaliforniaFri, Nov 23, 2:58 AM PST · 13099 days ago · 5 km deep · 50 km away
48. 2.021 km NE of Soledad, CaliforniaFri, Nov 23, 3:17 AM PST · 13099 days ago · 5 km deep · 50 km away
49. 1.921 km NE of Soledad, CaliforniaFri, Nov 23, 4:16 AM PST · 13099 days ago · 5 km deep · 50 km away
50. 1.724 km ENE of Soledad, CaliforniaFri, Nov 23, 5:41 PM PST · 13099 days ago · 3 km deep · 43 km away
51. 1.713 km S of Tres Pinos, CaliforniaSat, Nov 24, 3:02 AM PST · 13098 days ago · 4 km deep · 71 km away
52. 1.625 km ENE of San Ardo, CaliforniaSat, Nov 24, 4:27 AM PST · 13098 days ago · 9 km deep · 12 km away
53. 2.224 km ENE of Soledad, CaliforniaSat, Nov 24, 9:42 AM PST · 13098 days ago · 3 km deep · 43 km away
54. 1.626 km WSW of Lockwood, CaliforniaSun, Nov 25, 11:58 AM PST · 13097 days ago · 10 km deep · 65 km away
55. 1.822 km NW of Coalinga, CaliforniaSun, Nov 25, 1:25 PM PST · 13097 days ago · 12 km deep · 24 km away
56. 2.030 km WNW of Three Rocks, CaliforniaMon, Nov 26, 1:17 AM PST · 13096 days ago · 6 km deep · 47 km away
57. 2.533 km NW of San Simeon, CaliforniaTue, Nov 27, 3:25 AM PST · 13095 days ago · 7 km deep · 74 km away
58. 1.95 km ENE of Coalinga, CaliforniaTue, Nov 27, 5:44 AM PST · 13095 days ago · 3 km deep · 42 km away
59. 2.18 km NW of Parkfield, CaliforniaTue, Nov 27, 7:42 PM PST · 13095 days ago · 13 km deep · 37 km away
60. 1.524 km NE of Greenfield, CaliforniaWed, Nov 28, 10:34 AM PST · 13094 days ago · 6 km deep · 40 km away

The first 60 of 138.

Before

1. 1.723 km ENE of Soledad, CaliforniaWed, Oct 31, 9:44 PM PST · 13122 days ago · 4 km deep · 43 km away
2. 1.921 km NE of Soledad, CaliforniaWed, Oct 31, 4:06 AM PST · 13122 days ago · 3 km deep · 56 km away
3. 1.712 km S of Tres Pinos, CaliforniaTue, Oct 30, 9:16 PM PST · 13123 days ago · 2 km deep · 72 km away
4. 1.724 km NE of Greenfield, CaliforniaTue, Oct 30, 2:14 PM PST · 13123 days ago · 5 km deep · 39 km away
5. 2.34 km W of Gonzales, CaliforniaTue, Oct 30, 9:37 AM PST · 13123 days ago · 10 km deep · 73 km away
6. 1.88 km SSW of Tres Pinos, CaliforniaTue, Oct 30, 12:04 AM PST · 13123 days ago · 3 km deep · 79 km away
7. 2.220 km NW of Parkfield, CaliforniaMon, Oct 29, 5:48 PM PST · 13124 days ago · 4 km deep · 25 km away
8. 1.94 km NNW of Cambria, CaliforniaMon, Oct 29, 4:46 AM PST · 13124 days ago · 3 km deep · 74 km away
9. 2.622 km NE of Soledad, CaliforniaMon, Oct 29, 4:42 AM PST · 13124 days ago · 4 km deep · 57 km away
10. 2.024 km NE of Greenfield, CaliforniaSun, Oct 28, 11:01 PM PST · 13124 days ago · 2 km deep · 39 km away
11. 1.85 km SE of Cantua Creek, CaliforniaSun, Oct 28, 8:08 AM PST · 13125 days ago · 3 km deep · 52 km away
12. 2.64 km SSW of San Ardo, CaliforniaSun, Oct 28, 6:15 AM PST · 13125 days ago · 12 km deep · 29 km away
13. 2.79 km WSW of Huron, CaliforniaSun, Oct 28, 5:55 AM PST · 13125 days ago · 6 km deep · 50 km away
14. 1.67 km NNW of Hollister, CaliforniaFri, Oct 26, 11:02 PM PDT · 13127 days ago · 9 km deep · 99 km away
15. 1.624 km NE of Greenfield, CaliforniaFri, Oct 26, 8:50 PM PDT · 13127 days ago · 6 km deep · 39 km away
16. 1.623 km NE of Soledad, CaliforniaFri, Oct 26, 3:11 PM PDT · 13127 days ago · 8 km deep · 50 km away
17. 2.014 km N of Coalinga, CaliforniaThu, Oct 25, 2:34 AM PDT · 13128 days ago · 9 km deep · 36 km away
18. 2.313 km SSE of Tres Pinos, CaliforniaWed, Oct 24, 11:23 PM PDT · 13129 days ago · 5 km deep · 70 km away
19. 1.76 km SSE of San Juan Bautista, CaliforniaWed, Oct 24, 12:31 PM PDT · 13129 days ago · 9 km deep · 94 km away
20. 2.223 km ENE of San Lucas, CaliforniaTue, Oct 23, 5:46 PM PDT · 13130 days ago · 9 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc200084. Read Sun, Oct 4, 2026, 6:30 PM UTC.