M2.5 earthquake 2 km NNW of Aromas, California

Magnitude

2.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Oct 31, 1990, 3:11 PM PST

UTC

1990-10-31 23:11:19 UTC

Depth

10.6 km (6.6 mi), shallow

Epicenter

36.909° N, 121.654° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

34°

Stations used

88

• Aromas, CaliforniaPopulation 2,650. Forecast2 kmNNW
• Watsonville, CaliforniaPopulation 53,628. Forecast9 kmE
• Salinas, CaliforniaPopulation 157,380. Forecast26 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast443 kmNW

After

1. 1.62 km N of Aromas, CaliforniaWed, Oct 31, 9:27 PM PST · 13121 days ago · 6 km deep · 1 km away
2. 1.723 km ENE of Soledad, CaliforniaWed, Oct 31, 9:44 PM PST · 13121 days ago · 4 km deep · 69 km away
3. 1.88 km NE of San Martin, CaliforniaThu, Nov 1, 2:12 PM PST · 13121 days ago · 8 km deep · 27 km away
4. 1.93 km S of San Juan Bautista, CaliforniaFri, Nov 2, 12:29 PM PST · 13120 days ago · 6 km deep · 15 km away
5. 2.06 km NNW of San Juan Bautista, CaliforniaFri, Nov 2, 3:48 PM PST · 13119 days ago · 7 km deep · 8 km away
6. 2.19 km SSW of Tres Pinos, CaliforniaFri, Nov 2, 6:29 PM PST · 13119 days ago · 2 km deep · 34 km away
7. 1.99 km ESE of East Foothills, CaliforniaFri, Nov 2, 11:25 PM PST · 13119 days ago · 7 km deep · 50 km away
8. 3.34 km E of Interlaken, CaliforniaSat, Nov 3, 3:04 AM PST · 13119 days ago · 6 km deep · 6 km away
9. 1.921 km NE of Soledad, CaliforniaSun, Nov 4, 11:17 AM PST · 13118 days ago · 6 km deep · 58 km away
10. 2.03 km NNW of Crows Landing, CaliforniaMon, Nov 5, 4:00 PM PST · 13116 days ago · -1 km deep · 76 km away
11. 2.05 km S of La Selva Beach, CaliforniaTue, Nov 6, 12:03 AM PST · 13116 days ago · 1 km deep · 19 km away
12. 1.7Northern CaliforniaTue, Nov 6, 9:39 AM PST · 13116 days ago · 7 km deep · 47 km away
13. 1.65 km E of Interlaken, CaliforniaTue, Nov 6, 12:59 PM PST · 13116 days ago · 5 km deep · 6 km away
14. 1.92 km NE of Lexington Hills, CaliforniaWed, Nov 7, 4:11 PM PST · 13114 days ago · 6 km deep · 41 km away
15. 2.94 km WSW of Hollister, CaliforniaThu, Nov 8, 1:30 AM PST · 13114 days ago · 2 km deep · 21 km away
16. 1.92 km SSW of Lexington Hills, CaliforniaThu, Nov 8, 6:22 AM PST · 13114 days ago · 14 km deep · 39 km away
17. 2.037 km SSW of South Dos Palos, CaliforniaThu, Nov 8, 4:55 PM PST · 13113 days ago · 6 km deep · 76 km away
18. 1.93 km W of San Juan Bautista, CaliforniaThu, Nov 8, 6:58 PM PST · 13113 days ago · 6 km deep · 9 km away
19. 1.73 km W of San Juan Bautista, CaliforniaThu, Nov 8, 11:27 PM PST · 13113 days ago · 6 km deep · 9 km away
20. 1.913 km ESE of Alum Rock, CaliforniaSat, Nov 10, 3:15 AM PST · 13112 days ago · 7 km deep · 45 km away
21. 2.614 km N of Morgan Hill, CaliforniaSat, Nov 10, 1:04 PM PST · 13112 days ago · 4 km deep · 39 km away
22. 1.613 km ESE of East Foothills, CaliforniaSat, Nov 10, 4:09 PM PST · 13111 days ago · 8 km deep · 46 km away
23. 2.08 km ENE of San Martin, CaliforniaSat, Nov 10, 6:40 PM PST · 13111 days ago · 7 km deep · 26 km away
24. 2.12 km E of Big Sur, CaliforniaSun, Nov 11, 5:15 AM PST · 13111 days ago · 13 km deep · 72 km away
25. 2.110 km NW of Big Sur, CaliforniaSun, Nov 11, 10:52 AM PST · 13111 days ago · 13 km deep · 67 km away
26. 2.83 km WNW of San Juan Bautista, CaliforniaSun, Nov 11, 12:20 PM PST · 13111 days ago · 6 km deep · 10 km away
27. 2.05 km E of Day Valley, CaliforniaSun, Nov 11, 6:02 PM PST · 13110 days ago · 7 km deep · 20 km away
28. 1.69 km ENE of Morgan Hill, CaliforniaMon, Nov 12, 10:42 AM PST · 13110 days ago · 5 km deep · 29 km away
29. 2.13 km NNE of Amesti, CaliforniaTue, Nov 13, 12:12 AM PST · 13109 days ago · 15 km deep · 13 km away
30. 2.121 km NE of Soledad, CaliforniaWed, Nov 14, 4:29 AM PST · 13108 days ago · 6 km deep · 60 km away
31. 2.79 km S of Tres Pinos, CaliforniaWed, Nov 14, 5:48 AM PST · 13108 days ago · 3 km deep · 37 km away
32. 1.86 km SSW of Ridgemark, CaliforniaWed, Nov 14, 1:58 PM PST · 13108 days ago · 6 km deep · 30 km away
33. 2.13 km N of Lexington Hills, CaliforniaThu, Nov 15, 4:40 AM PST · 13107 days ago · 4 km deep · 42 km away
34. 1.69 km ENE of Tres Pinos, CaliforniaThu, Nov 15, 9:33 AM PST · 13107 days ago · 7 km deep · 39 km away
35. 2.48 km ESE of East Foothills, CaliforniaThu, Nov 15, 5:39 PM PST · 13106 days ago · 7 km deep · 51 km away
36. 2.321 km NE of Soledad, CaliforniaFri, Nov 16, 4:27 AM PST · 13106 days ago · 5 km deep · 58 km away
37. 1.66 km SSE of Gilroy, CaliforniaFri, Nov 16, 5:02 AM PST · 13106 days ago · 5 km deep · 10 km away
38. 1.724 km NE of King City, CaliforniaFri, Nov 16, 11:05 PM PST · 13105 days ago · 1 km deep · 85 km away
39. 2.85 km SSE of San Juan Bautista, CaliforniaSat, Nov 17, 2:12 PM PST · 13105 days ago · 5 km deep · 18 km away
40. 2.08 km ENE of Gilroy, CaliforniaSun, Nov 18, 8:23 AM PST · 13104 days ago · 7 km deep · 20 km away
41. 1.64 km E of Interlaken, CaliforniaSun, Nov 18, 11:12 PM PST · 13103 days ago · 11 km deep · 5 km away
42. 1.623 km NNE of San Lucas, CaliforniaMon, Nov 19, 11:45 AM PST · 13103 days ago · 6 km deep · 95 km away
43. 1.54 km WNW of Gonzales, CaliforniaMon, Nov 19, 12:21 PM PST · 13103 days ago · 11 km deep · 45 km away
44. 1.66 km SE of Seven Trees, CaliforniaMon, Nov 19, 3:07 PM PST · 13102 days ago · 1 km deep · 40 km away
45. 1.87 km SE of San Juan Bautista, CaliforniaMon, Nov 19, 7:12 PM PST · 13102 days ago · 4 km deep · 20 km away
46. 2.122 km NE of Soledad, CaliforniaMon, Nov 19, 7:46 PM PST · 13102 days ago · 4 km deep · 55 km away
47. 1.71 km SSE of Saratoga, CaliforniaMon, Nov 19, 11:38 PM PST · 13102 days ago · 5 km deep · 50 km away
48. 1.521 km NE of Soledad, CaliforniaTue, Nov 20, 3:36 AM PST · 13102 days ago · 6 km deep · 59 km away
49. 1.95 km S of Gilroy, CaliforniaTue, Nov 20, 4:48 AM PST · 13102 days ago · 4 km deep · 9 km away
50. 1.69 km NE of San Martin, CaliforniaTue, Nov 20, 7:41 AM PST · 13102 days ago · 8 km deep · 29 km away
51. 2.8Central CaliforniaTue, Nov 20, 12:57 PM PST · 13102 days ago · 3 km deep · 36 km away
52. 1.821 km SSW of Davenport, CaliforniaTue, Nov 20, 5:38 PM PST · 13101 days ago · 5 km deep · 56 km away
53. 1.99 km SSW of Tres Pinos, CaliforniaWed, Nov 21, 8:41 AM PST · 13101 days ago · 3 km deep · 36 km away
54. 1.621 km NE of Soledad, CaliforniaWed, Nov 21, 10:50 AM PST · 13101 days ago · 7 km deep · 59 km away
55. 2.15 km SSE of San Juan Bautista, CaliforniaThu, Nov 22, 12:03 PM PST · 13100 days ago · 5 km deep · 18 km away
56. 2.524 km ENE of Soledad, CaliforniaThu, Nov 22, 10:54 PM PST · 13099 days ago · 3 km deep · 69 km away
57. 2.523 km NE of King City, CaliforniaThu, Nov 22, 11:52 PM PST · 13099 days ago · 6 km deep · 85 km away
58. 1.715 km W of Davenport, CaliforniaFri, Nov 23, 2:38 AM PST · 13099 days ago · 11 km deep · 64 km away
59. 1.729 km SE of Big Sur, CaliforniaFri, Nov 23, 2:45 AM PST · 13099 days ago · 11 km deep · 91 km away
60. 2.921 km NE of Soledad, CaliforniaFri, Nov 23, 2:58 AM PST · 13099 days ago · 5 km deep · 62 km away

The first 60 of 150.

Before

1. 1.54 km N of Interlaken, CaliforniaWed, Oct 31, 8:56 AM PST · 13122 days ago · 11 km deep · 12 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. 1.64 km NE of Interlaken, CaliforniaWed, Oct 31, 3:39 AM PST · 13122 days ago · 6 km deep · 9 km away
4. 1.712 km S of Tres Pinos, CaliforniaTue, Oct 30, 9:16 PM PST · 13122 days ago · 2 km deep · 40 km away
5. 1.514 km N of Morgan Hill, CaliforniaTue, Oct 30, 3:51 PM PST · 13122 days ago · 6 km deep · 39 km away
6. 1.724 km NE of Greenfield, CaliforniaTue, Oct 30, 2:14 PM PST · 13123 days ago · 5 km deep · 73 km away
7. 1.92 km NNE of Aromas, CaliforniaTue, Oct 30, 10:52 AM PST · 13123 days ago · 6 km deep · 2 km away
8. 2.34 km W of Gonzales, CaliforniaTue, Oct 30, 9:37 AM PST · 13123 days ago · 10 km deep · 48 km away
9. 1.75 km NE of Scotts Valley, CaliforniaTue, Oct 30, 5:19 AM PST · 13123 days ago · 10 km deep · 35 km away
10. 1.88 km SSW of Tres Pinos, CaliforniaTue, Oct 30, 12:04 AM PST · 13123 days ago · 3 km deep · 33 km away
11. 1.64 km NNW of Aromas, CaliforniaMon, Oct 29, 6:40 PM PST · 13123 days ago · 11 km deep · 2 km away
12. 2.622 km NE of Soledad, CaliforniaMon, Oct 29, 4:42 AM PST · 13124 days ago · 4 km deep · 55 km away
13. 2.024 km NE of Greenfield, CaliforniaSun, Oct 28, 11:01 PM PST · 13124 days ago · 2 km deep · 73 km away
14. 2.02 km NNE of Interlaken, CaliforniaSat, Oct 27, 8:41 PM PDT · 13125 days ago · 12 km deep · 10 km away
15. 1.67 km NNW of Hollister, CaliforniaFri, Oct 26, 11:02 PM PDT · 13126 days ago · 9 km deep · 20 km away
16. 1.624 km NE of Greenfield, CaliforniaFri, Oct 26, 8:50 PM PDT · 13126 days ago · 6 km deep · 73 km away
17. 1.623 km NE of Soledad, CaliforniaFri, Oct 26, 3:11 PM PDT · 13127 days ago · 8 km deep · 63 km away
18. 2.05 km NNE of East Foothills, CaliforniaFri, Oct 26, 5:51 AM PDT · 13127 days ago · 5 km deep · 59 km away
19. 1.91 km NW of Loyola, CaliforniaThu, Oct 25, 1:40 AM PDT · 13128 days ago · 0 km deep · 65 km away
20. 2.313 km SSE of Tres Pinos, CaliforniaWed, Oct 24, 11:23 PM PDT · 13128 days ago · 5 km deep · 42 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc202446. Read Sun, Oct 4, 2026, 10:22 AM UTC.