M1.5 earthquake 4 km NNW of Aromas, California

Magnitude

1.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Oct 28, 1989, 6:33 PM PDT

UTC

1989-10-29 01:33:19 UTC

Depth

7.3 km (4.6 mi), shallow

Epicenter

36.925° N, 121.663° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

71°

Stations used

33

• Aromas, CaliforniaPopulation 2,650. Forecast4 kmNNW
• Watsonville, CaliforniaPopulation 53,628. Forecast9 kmENE
• Salinas, CaliforniaPopulation 157,380. Forecast28 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast445 kmNW

After

1. 1.68 km SE of San Juan Bautista, CaliforniaSat, Oct 28, 7:53 PM PDT · 13488 days ago · 4 km deep · 23 km away
2. 1.95 km NW of Day Valley, CaliforniaSat, Oct 28, 8:15 PM PDT · 13488 days ago · 14 km deep · 26 km away
3. 1.69 km SW of Davenport, CaliforniaSat, Oct 28, 8:41 PM PDT · 13488 days ago · 8 km deep · 52 km away
4. 1.55 km WNW of San Juan Bautista, CaliforniaSat, Oct 28, 8:41 PM PDT · 13488 days ago · 6 km deep · 9 km away
5. 1.91 km NE of Interlaken, CaliforniaSat, Oct 28, 8:47 PM PDT · 13488 days ago · 14 km deep · 7 km away
6. 1.89 km SSW of Tres Pinos, CaliforniaSat, Oct 28, 9:03 PM PDT · 13488 days ago · 2 km deep · 36 km away
7. 1.52 km SE of Day Valley, CaliforniaSat, Oct 28, 10:04 PM PDT · 13488 days ago · 14 km deep · 19 km away
8. 2.25 km WNW of San Juan Bautista, CaliforniaSat, Oct 28, 11:17 PM PDT · 13488 days ago · 7 km deep · 10 km away
9. 1.65 km ESE of Lexington Hills, CaliforniaSat, Oct 28, 11:31 PM PDT · 13488 days ago · 8 km deep · 33 km away
10. 1.511 km SW of Ridgemark, CaliforniaSun, Oct 29, 1:28 AM PDT · 13488 days ago · 16 km deep · 26 km away
11. 1.90 km E of Aromas, CaliforniaSun, Oct 29, 1:29 AM PDT · 13488 days ago · 8 km deep · 5 km away
12. 2.312 km SW of Ridgemark, CaliforniaSun, Oct 29, 1:31 AM PDT · 13488 days ago · 14 km deep · 26 km away
13. 1.87 km WNW of Day Valley, CaliforniaSun, Oct 29, 1:49 AM PDT · 13488 days ago · 16 km deep · 29 km away
14. 1.82 km ESE of Aromas, CaliforniaSun, Oct 29, 2:38 AM PST · 13488 days ago · 6 km deep · 6 km away
15. 1.52 km NNE of Day Valley, CaliforniaSun, Oct 29, 3:07 AM PST · 13488 days ago · 12 km deep · 22 km away
16. 2.04 km ESE of Interlaken, CaliforniaSun, Oct 29, 3:42 AM PST · 13487 days ago · 11 km deep · 2 km away
17. 3.14 km NW of Day Valley, CaliforniaSun, Oct 29, 5:10 AM PST · 13487 days ago · 16 km deep · 27 km away
18. 1.95 km N of Corralitos, CaliforniaSun, Oct 29, 5:53 AM PST · 13487 days ago · 3 km deep · 17 km away
19. 2.12 km NNW of Aromas, CaliforniaSun, Oct 29, 6:08 AM PST · 13487 days ago · 9 km deep · 2 km away
20. 1.60 km N of Lexington Hills, CaliforniaSun, Oct 29, 6:12 AM PST · 13487 days ago · 9 km deep · 39 km away
21. 1.84 km N of Corralitos, CaliforniaSun, Oct 29, 6:33 AM PST · 13487 days ago · 11 km deep · 17 km away
22. 1.78 km N of Day Valley, CaliforniaSun, Oct 29, 6:41 AM PST · 13487 days ago · 4 km deep · 28 km away
23. 1.71 km E of Aromas, CaliforniaSun, Oct 29, 7:30 AM PST · 13487 days ago · 9 km deep · 5 km away
24. 1.62 km NNW of Aromas, CaliforniaSun, Oct 29, 7:41 AM PST · 13487 days ago · 9 km deep · 2 km away
25. 1.51 km WSW of Aptos Hills-Larkin Valley, CaliforniaSun, Oct 29, 9:06 AM PST · 13487 days ago · 4 km deep · 17 km away
26. 1.63 km NE of Amesti, CaliforniaSun, Oct 29, 10:51 AM PST · 13487 days ago · 15 km deep · 10 km away
27. 2.43 km ESE of Day Valley, CaliforniaSun, Oct 29, 11:18 AM PST · 13487 days ago · 16 km deep · 18 km away
28. 2.34 km NNW of Day Valley, CaliforniaSun, Oct 29, 12:44 PM PST · 13487 days ago · 13 km deep · 26 km away
29. 1.85 km S of Gilroy, CaliforniaSun, Oct 29, 1:11 PM PST · 13487 days ago · 4 km deep · 9 km away
30. 1.94 km ESE of Aromas, CaliforniaSun, Oct 29, 1:29 PM PST · 13487 days ago · 5 km deep · 8 km away
31. 3.07 km NNW of Day Valley, CaliforniaSun, Oct 29, 1:55 PM PST · 13487 days ago · 10 km deep · 28 km away
32. 1.77 km NNW of Day Valley, CaliforniaSun, Oct 29, 1:57 PM PST · 13487 days ago · 9 km deep · 28 km away
33. 2.94 km SE of Aromas, CaliforniaSun, Oct 29, 3:55 PM PST · 13487 days ago · 7 km deep · 9 km away
34. 1.77 km NE of Interlaken, CaliforniaSun, Oct 29, 4:06 PM PST · 13487 days ago · 2 km deep · 8 km away
35. 2.08 km SSW of Davenport, CaliforniaSun, Oct 29, 4:09 PM PST · 13487 days ago · 4 km deep · 52 km away
36. 2.64 km SE of Aromas, CaliforniaSun, Oct 29, 4:11 PM PST · 13487 days ago · 7 km deep · 9 km away
37. 1.98 km NNE of Day Valley, CaliforniaSun, Oct 29, 5:09 PM PST · 13487 days ago · 5 km deep · 25 km away
38. 2.47 km SW of Davenport, CaliforniaSun, Oct 29, 6:13 PM PST · 13487 days ago · 6 km deep · 52 km away
39. 1.64 km NW of Day Valley, CaliforniaSun, Oct 29, 6:16 PM PST · 13487 days ago · 15 km deep · 26 km away
40. 1.74 km E of Interlaken, CaliforniaSun, Oct 29, 6:49 PM PST · 13487 days ago · 11 km deep · 3 km away
41. 1.85 km NNW of Aromas, CaliforniaSun, Oct 29, 6:57 PM PST · 13487 days ago · 10 km deep · 1 km away
42. 2.54 km NW of Day Valley, CaliforniaSun, Oct 29, 8:52 PM PST · 13487 days ago · 14 km deep · 26 km away
43. 3.04 km ESE of Interlaken, CaliforniaSun, Oct 29, 10:31 PM PST · 13487 days ago · 12 km deep · 2 km away
44. 2.15 km N of Interlaken, CaliforniaSun, Oct 29, 11:39 PM PST · 13487 days ago · 9 km deep · 11 km away
45. 1.8Central CaliforniaMon, Oct 30, 12:22 AM PST · 13487 days ago · 9 km deep · 3 km away
46. 1.62 km NNE of Day Valley, CaliforniaMon, Oct 30, 1:02 AM PST · 13487 days ago · 12 km deep · 23 km away
47. 1.73 km ESE of Day Valley, CaliforniaMon, Oct 30, 1:07 AM PST · 13487 days ago · 16 km deep · 18 km away
48. 1.7Northern CaliforniaMon, Oct 30, 1:46 AM PST · 13487 days ago · 9 km deep · 21 km away
49. 1.77 km NNE of Day Valley, CaliforniaMon, Oct 30, 2:13 AM PST · 13487 days ago · 2 km deep · 24 km away
50. 1.62 km NNW of Aromas, CaliforniaMon, Oct 30, 2:55 AM PST · 13487 days ago · 9 km deep · 2 km away
51. 1.84 km ESE of Interlaken, CaliforniaMon, Oct 30, 2:57 AM PST · 13487 days ago · 10 km deep · 2 km away
52. 4.06 km NE of Day Valley, CaliforniaMon, Oct 30, 3:17 AM PST · 13487 days ago · 9 km deep · 21 km away
53. 1.86 km NW of Day Valley, CaliforniaMon, Oct 30, 3:42 AM PST · 13486 days ago · 15 km deep · 28 km away
54. 1.62 km N of Lexington Hills, CaliforniaMon, Oct 30, 4:39 AM PST · 13486 days ago · 2 km deep · 40 km away
55. 2.16 km ESE of Lexington Hills, CaliforniaMon, Oct 30, 4:58 AM PST · 13486 days ago · 9 km deep · 32 km away
56. 1.915 km N of Morgan Hill, CaliforniaMon, Oct 30, 5:25 AM PST · 13486 days ago · 7 km deep · 38 km away
57. 1.66 km NE of Day Valley, CaliforniaMon, Oct 30, 5:53 AM PST · 13486 days ago · 9 km deep · 21 km away
58. 1.815 km N of Morgan Hill, CaliforniaMon, Oct 30, 5:56 AM PST · 13486 days ago · 7 km deep · 38 km away
59. 2.12 km N of Lexington Hills, CaliforniaMon, Oct 30, 6:04 AM PST · 13486 days ago · 2 km deep · 40 km away
60. 1.87 km SW of Gilroy, CaliforniaMon, Oct 30, 7:15 AM PST · 13486 days ago · 0 km deep · 5 km away

The first 60 of 193.

Before

1. 1.53 km NNW of Aromas, CaliforniaSat, Oct 28, 6:32 PM PDT · 13488 days ago · 9 km deep · 1 km away
2. 1.83 km S of Lexington Hills, CaliforniaSat, Oct 28, 6:05 PM PDT · 13488 days ago · 14 km deep · 37 km away
3. 2.13 km SSW of Seacliff, CaliforniaSat, Oct 28, 5:30 PM PDT · 13488 days ago · 4 km deep · 24 km away
4. 1.54 km SW of Lexington Hills, CaliforniaSat, Oct 28, 5:22 PM PDT · 13488 days ago · 17 km deep · 38 km away
5. 1.64 km ESE of Lexington Hills, CaliforniaSat, Oct 28, 4:01 PM PDT · 13488 days ago · 12 km deep · 34 km away
6. 1.58 km N of Day Valley, CaliforniaSat, Oct 28, 2:57 PM PDT · 13488 days ago · 3 km deep · 28 km away
7. 3.42 km N of Aromas, CaliforniaSat, Oct 28, 2:27 PM PDT · 13488 days ago · 7 km deep · 3 km away
8. 2.16 km ESE of Lexington Hills, CaliforniaSat, Oct 28, 12:48 PM PDT · 13488 days ago · 9 km deep · 32 km away
9. 1.55 km ENE of Day Valley, CaliforniaSat, Oct 28, 10:52 AM PDT · 13488 days ago · 10 km deep · 19 km away
10. 2.00 km NE of Aromas, CaliforniaSat, Oct 28, 10:27 AM PDT · 13488 days ago · 9 km deep · 4 km away
11. 1.72 km NE of Corralitos, CaliforniaSat, Oct 28, 10:25 AM PDT · 13488 days ago · 15 km deep · 14 km away
12. 1.51 km E of Aromas, CaliforniaSat, Oct 28, 9:18 AM PDT · 13488 days ago · 7 km deep · 5 km away
13. 2.22 km ENE of Corralitos, CaliforniaSat, Oct 28, 8:48 AM PDT · 13488 days ago · 12 km deep · 14 km away
14. 2.34 km NNW of Hollister, CaliforniaSat, Oct 28, 8:45 AM PDT · 13488 days ago · 8 km deep · 22 km away
15. 2.98 km SE of San Juan Bautista, CaliforniaSat, Oct 28, 6:55 AM PDT · 13488 days ago · 4 km deep · 23 km away
16. 1.72 km ENE of Millbrae, CaliforniaSat, Oct 28, 6:46 AM PDT · 13488 days ago · 11 km deep · 98 km away
17. 1.82 km SSW of Lexington Hills, CaliforniaSat, Oct 28, 6:32 AM PDT · 13488 days ago · 14 km deep · 37 km away
18. 1.61 km NNE of Interlaken, CaliforniaSat, Oct 28, 5:28 AM PDT · 13488 days ago · 15 km deep · 7 km away
19. 2.05 km N of Lompico, CaliforniaSat, Oct 28, 4:20 AM PDT · 13489 days ago · 13 km deep · 43 km away
20. 1.72 km NE of Corralitos, CaliforniaSat, Oct 28, 3:38 AM PDT · 13489 days ago · 15 km deep · 14 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc146102. Read Fri, Oct 2, 2026, 11:11 PM UTC.