M1.6 earthquake 35 km W of Three Rocks, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, Apr 1, 1990, 7:44 PM PDT

UTC

1990-04-02 02:44:44 UTC

Depth

4.4 km (2.7 mi), shallow

Epicenter

36.552° N, 120.786° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.6 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

191°, poorly surrounded by stations

Stations used

15

• Mendota, CaliforniaPopulation 11,430. Forecast42 kmWSW
• Salinas, CaliforniaPopulation 157,380. Forecast79 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast361 kmNW

After

1. 1.66 km NE of Ridgemark, CaliforniaMon, Apr 2, 6:34 AM PDT · 13334 days ago · 10 km deep · 59 km away
2. 2.021 km E of Tres Pinos, CaliforniaTue, Apr 3, 12:14 AM PDT · 13333 days ago · 4 km deep · 41 km away
3. 1.511 km NW of Avenal, CaliforniaTue, Apr 3, 1:54 AM PDT · 13333 days ago · 10 km deep · 74 km away
4. 2.85 km WNW of San Juan Bautista, CaliforniaTue, Apr 3, 3:01 AM PDT · 13333 days ago · 7 km deep · 80 km away
5. 2.324 km NE of Greenfield, CaliforniaTue, Apr 3, 4:45 AM PDT · 13333 days ago · 7 km deep · 25 km away
6. 1.615 km NW of Parkfield, CaliforniaTue, Apr 3, 9:32 AM PDT · 13333 days ago · 5 km deep · 65 km away
7. 1.92 km SW of San Juan Bautista, CaliforniaTue, Apr 3, 11:34 AM PDT · 13333 days ago · 8 km deep · 76 km away
8. 2.02 km SW of San Juan Bautista, CaliforniaTue, Apr 3, 11:37 AM PDT · 13333 days ago · 8 km deep · 76 km away
9. 1.86 km SSE of Huron, CaliforniaTue, Apr 3, 7:54 PM PDT · 13332 days ago · 8 km deep · 78 km away
10. 1.612 km N of Coalinga, CaliforniaWed, Apr 4, 9:54 AM PDT · 13332 days ago · 7 km deep · 51 km away
11. 1.622 km NE of Soledad, CaliforniaWed, Apr 4, 12:58 PM PDT · 13332 days ago · 9 km deep · 31 km away
12. 1.72 km W of Ridgemark, CaliforniaWed, Apr 4, 3:51 PM PDT · 13331 days ago · 7 km deep · 61 km away
13. 2.44 km ESE of Interlaken, CaliforniaThu, Apr 5, 12:31 AM PDT · 13331 days ago · 11 km deep · 91 km away
14. 1.63 km ENE of Tres Pinos, CaliforniaThu, Apr 5, 9:46 AM PDT · 13331 days ago · 9 km deep · 53 km away
15. 1.51 km WSW of Freedom, CaliforniaThu, Apr 5, 6:11 PM PDT · 13330 days ago · 6 km deep · 99 km away
16. 1.811 km SSW of Huron, CaliforniaThu, Apr 5, 7:11 PM PDT · 13330 days ago · 6 km deep · 75 km away
17. 1.826 km WSW of Lockwood, CaliforniaFri, Apr 6, 1:55 AM PDT · 13330 days ago · 10 km deep · 92 km away
18. 2.83 km W of San Juan Bautista, CaliforniaFri, Apr 6, 5:05 PM PDT · 13329 days ago · 7 km deep · 78 km away
19. 1.95 km NNE of Tres Pinos, CaliforniaSat, Apr 7, 12:17 AM PDT · 13329 days ago · 4 km deep · 55 km away
20. 1.511 km S of Tres Pinos, CaliforniaSat, Apr 7, 3:02 AM PDT · 13329 days ago · 8 km deep · 50 km away
21. 1.713 km NW of Parkfield, CaliforniaSat, Apr 7, 9:27 AM PDT · 13329 days ago · 3 km deep · 67 km away
22. 4.01 km NNE of Aromas, CaliforniaSat, Apr 7, 1:08 PM PDT · 13329 days ago · 6 km deep · 85 km away
23. 1.62 km NNE of Aromas, CaliforniaSat, Apr 7, 2:45 PM PDT · 13328 days ago · 5 km deep · 85 km away
24. 2.81 km ENE of Aromas, CaliforniaSat, Apr 7, 2:49 PM PDT · 13328 days ago · 5 km deep · 84 km away
25. 1.712 km NNW of Coalinga, CaliforniaSat, Apr 7, 6:44 PM PDT · 13328 days ago · 6 km deep · 48 km away
26. 1.98 km SSE of San Juan Bautista, CaliforniaSat, Apr 7, 8:45 PM PDT · 13328 days ago · 10 km deep · 69 km away
27. 1.517 km N of Coalinga, CaliforniaSat, Apr 7, 9:47 PM PDT · 13328 days ago · 9 km deep · 46 km away
28. 2.422 km NW of Parkfield, CaliforniaSun, Apr 8, 10:58 AM PDT · 13328 days ago · 8 km deep · 58 km away
29. 1.921 km NE of Soledad, CaliforniaMon, Apr 9, 12:07 AM PDT · 13327 days ago · 6 km deep · 36 km away
30. 2.75 km NNW of Aromas, CaliforniaMon, Apr 9, 3:48 AM PDT · 13327 days ago · 7 km deep · 89 km away
31. 1.95 km NNW of Aromas, CaliforniaMon, Apr 9, 4:52 AM PDT · 13327 days ago · 7 km deep · 89 km away
32. 2.15 km NNW of Aromas, CaliforniaMon, Apr 9, 5:33 AM PDT · 13327 days ago · 7 km deep · 89 km away
33. 2.35 km NNW of Aromas, CaliforniaMon, Apr 9, 5:35 AM PDT · 13327 days ago · 7 km deep · 89 km away
34. 2.313 km SSE of Tres Pinos, CaliforniaMon, Apr 9, 11:35 AM PDT · 13327 days ago · 2 km deep · 47 km away
35. 3.03 km N of Aromas, CaliforniaMon, Apr 9, 12:46 PM PDT · 13327 days ago · 6 km deep · 87 km away
36. 2.03 km SW of Hollister, CaliforniaMon, Apr 9, 2:34 PM PDT · 13326 days ago · 7 km deep · 65 km away
37. 1.82 km ESE of Aromas, CaliforniaMon, Apr 9, 7:18 PM PDT · 13326 days ago · 6 km deep · 82 km away
38. 2.52 km ESE of Aromas, CaliforniaMon, Apr 9, 8:18 PM PDT · 13326 days ago · 7 km deep · 82 km away
39. 3.62 km ESE of Aromas, CaliforniaMon, Apr 9, 8:28 PM PDT · 13326 days ago · 7 km deep · 82 km away
40. 2.23 km ESE of Aromas, CaliforniaMon, Apr 9, 8:54 PM PDT · 13326 days ago · 7 km deep · 82 km away
41. 2.43 km ESE of Aromas, CaliforniaMon, Apr 9, 10:04 PM PDT · 13326 days ago · 7 km deep · 81 km away
42. 2.71 km ENE of Interlaken, CATue, Apr 10, 1:51 AM PDT · 13326 days ago · 13 km deep · 95 km away
43. 1.9Central CaliforniaTue, Apr 10, 4:27 AM PDT · 13326 days ago · 6 km deep · 30 km away
44. 2.32 km ESE of Aromas, CaliforniaTue, Apr 10, 7:14 AM PDT · 13326 days ago · 7 km deep · 83 km away
45. 3.02 km ESE of Aromas, CaliforniaTue, Apr 10, 10:44 AM PDT · 13326 days ago · 7 km deep · 83 km away
46. 2.12 km ESE of Aromas, CaliforniaTue, Apr 10, 11:59 AM PDT · 13326 days ago · 7 km deep · 83 km away
47. 1.83 km SW of Hollister, CaliforniaTue, Apr 10, 12:22 PM PDT · 13326 days ago · 6 km deep · 65 km away
48. 1.610 km NNW of Coalinga, CaliforniaTue, Apr 10, 6:58 PM PDT · 13325 days ago · 7 km deep · 50 km away
49. 1.85 km WNW of Volta, CaliforniaWed, Apr 11, 10:28 AM PDT · 13325 days ago · 7 km deep · 64 km away
50. 1.522 km NE of San Ardo, CaliforniaWed, Apr 11, 12:10 PM PDT · 13325 days ago · 4 km deep · 42 km away
51. 2.014 km SSE of Tres Pinos, CaliforniaWed, Apr 11, 12:49 PM PDT · 13325 days ago · 4 km deep · 46 km away
52. 3.04 km ESE of Interlaken, CaliforniaWed, Apr 11, 9:45 PM PDT · 13324 days ago · 12 km deep · 91 km away
53. 2.34 km ESE of Interlaken, CaliforniaWed, Apr 11, 9:48 PM PDT · 13324 days ago · 12 km deep · 91 km away
54. 1.95 km ESE of Interlaken, CAWed, Apr 11, 10:35 PM PDT · 13324 days ago · 12 km deep · 91 km away
55. 2.522 km ENE of Soledad, CaliforniaThu, Apr 12, 12:20 AM PDT · 13324 days ago · 5 km deep · 28 km away
56. 1.83 km SW of Hollister, CaliforniaFri, Apr 13, 10:16 AM PDT · 13323 days ago · 7 km deep · 65 km away
57. 1.52 km SW of San Juan Bautista, CaliforniaFri, Apr 13, 4:13 PM PDT · 13322 days ago · 6 km deep · 75 km away
58. 1.73 km N of Interlaken, CaliforniaFri, Apr 13, 9:01 PM PDT · 13322 days ago · 12 km deep · 97 km away
59. 2.15 km ESE of Interlaken, CaliforniaFri, Apr 13, 11:42 PM PDT · 13322 days ago · 13 km deep · 90 km away
60. 1.78 km ENE of Morgan Hill, CaliforniaSat, Apr 14, 9:52 AM PDT · 13322 days ago · 2 km deep · 96 km away

The first 60 of 195.

Before

1. 1.57 km ENE of Lockwood, CaliforniaSun, Apr 1, 5:02 PM PDT · 13334 days ago · 5 km deep · 67 km away
2. 2.52 km W of San Juan Bautista, CaliforniaSun, Apr 1, 10:05 AM PDT · 13335 days ago · 3 km deep · 77 km away
3. 1.712 km NNE of Coalinga, CaliforniaSun, Apr 1, 4:45 AM PDT · 13335 days ago · 8 km deep · 53 km away
4. 2.52 km SW of San Juan Bautista, CaliforniaSun, Apr 1, 4:38 AM PDT · 13335 days ago · 8 km deep · 75 km away
5. 1.824 km NE of Greenfield, CaliforniaSun, Apr 1, 12:51 AM PST · 13335 days ago · 5 km deep · 25 km away
6. 2.07 km NE of Lockwood, CaliforniaSat, Mar 31, 11:01 PM PST · 13335 days ago · 8 km deep · 67 km away
7. 2.15 km SSW of Tres Pinos, CaliforniaSat, Mar 31, 5:28 PM PST · 13335 days ago · 8 km deep · 55 km away
8. 1.86 km NE of Lockwood, CaliforniaSat, Mar 31, 10:08 AM PST · 13336 days ago · 8 km deep · 67 km away
9. 1.615 km NW of Parkfield, CaliforniaSat, Mar 31, 7:33 AM PST · 13336 days ago · 5 km deep · 65 km away
10. 1.914 km N of Coalinga, CaliforniaSat, Mar 31, 7:20 AM PST · 13336 days ago · 8 km deep · 49 km away
11. 3.123 km NE of San Ardo, CaliforniaSat, Mar 31, 5:28 AM PST · 13336 days ago · 8 km deep · 42 km away
12. 1.92 km WNW of San Juan Bautista, CaliforniaFri, Mar 30, 2:11 PM PST · 13336 days ago · 6 km deep · 77 km away
13. 1.822 km ENE of Soledad, CaliforniaFri, Mar 30, 10:19 AM PST · 13337 days ago · 4 km deep · 28 km away
14. 1.78 km SE of San Juan Bautista, CaliforniaFri, Mar 30, 4:39 AM PST · 13337 days ago · 4 km deep · 68 km away
15. 1.72 km N of Interlaken, CaliforniaThu, Mar 29, 7:04 PM PST · 13337 days ago · 14 km deep · 97 km away
16. 1.616 km NNE of Soledad, CaliforniaThu, Mar 29, 4:17 PM PST · 13337 days ago · 6 km deep · 41 km away
17. 1.618 km NE of Bradley, CaliforniaThu, Mar 29, 3:59 PM PST · 13337 days ago · 25 km deep · 64 km away
18. 1.92 km SSW of San Juan Bautista, CaliforniaThu, Mar 29, 9:02 AM PST · 13338 days ago · 6 km deep · 74 km away
19. 2.529 km ENE of Soledad, CaliforniaThu, Mar 29, 6:10 AM PST · 13338 days ago · 8 km deep · 24 km away
20. 2.44 km ENE of Tres Pinos, CaliforniaThu, Mar 29, 2:51 AM PST · 13338 days ago · 5 km deep · 52 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc155112. Read Sun, Oct 4, 2026, 7:39 AM UTC.