M1.5 earthquake 3 km SW of Ridgemark, California

Magnitude

1.5 (md), micro

Local time

Sun, Feb 26, 1984, 3:40 AM PST

UTC

1984-02-26 11:40:54 UTC

Depth

2.4 km (1.5 mi), shallow

Epicenter

36.788° N, 121.392° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

37°

Stations used

29

• Ridgemark, CaliforniaPopulation 3,016. Forecast4 kmSW
• Hollister, CaliforniaPopulation 37,462. Forecast7 kmS
• Salinas, CaliforniaPopulation 157,380. Forecast26 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast417 kmNW

After

1. 1.822 km ENE of San Lucas, CaliforniaThu, Mar 15, 4:28 PM PST · 15531 days ago · 9 km deep · 80 km away
2. 2.421 km SSW of Los Banos, CaliforniaFri, Mar 16, 9:18 AM PST · 15530 days ago · 0 km deep · 39 km away
3. 1.55 km NNW of Day Valley, CaliforniaFri, Mar 16, 9:29 PM PST · 15530 days ago · 9 km deep · 55 km away
4. 1.924 km NE of Greenfield, CaliforniaSun, Mar 18, 10:16 PM PST · 15528 days ago · 7 km deep · 47 km away
5. 1.917 km E of East Foothills, CaliforniaMon, Mar 19, 3:10 AM PST · 15527 days ago · 7 km deep · 66 km away
6. 3.319 km NW of Coalinga, CaliforniaTue, Mar 20, 2:42 AM PST · 15527 days ago · 9 km deep · 98 km away
7. 3.018 km NW of Coalinga, CaliforniaTue, Mar 20, 2:43 AM PST · 15527 days ago · 8 km deep · 100 km away
8. 2.020 km NW of Coalinga, CaliforniaTue, Mar 20, 2:55 AM PST · 15526 days ago · 9 km deep · 97 km away
9. 2.118 km NNW of Coalinga, CaliforniaTue, Mar 20, 2:56 AM PST · 15526 days ago · 10 km deep · 99 km away
10. 1.99 km NNE of Hollister, CaliforniaTue, Mar 20, 9:22 AM PST · 15526 days ago · 6 km deep · 15 km away
11. 1.920 km W of Diablo Grande, CaliforniaTue, Mar 20, 9:57 AM PST · 15526 days ago · 7 km deep · 70 km away
12. 1.823 km NNE of San Lucas, CaliforniaTue, Mar 20, 10:11 PM PST · 15526 days ago · 6 km deep · 69 km away
13. 1.621 km NNE of Soledad, CaliforniaTue, Mar 20, 11:19 PM PST · 15526 days ago · 8 km deep · 28 km away
14. 1.723 km WNW of Three Rocks, CaliforniaThu, Mar 22, 5:12 PM PST · 15524 days ago · 3 km deep · 71 km away
15. 1.620 km SSW of Three Rocks, CaliforniaThu, Mar 22, 10:18 PM PST · 15524 days ago · 12 km deep · 94 km away
16. 2.07 km NE of San Juan Bautista, CaliforniaFri, Mar 23, 1:02 AM PST · 15524 days ago · 6 km deep · 13 km away
17. 2.519 km NW of Coalinga, CaliforniaSat, Mar 24, 5:00 AM PST · 15522 days ago · 9 km deep · 98 km away
18. 2.221 km NE of Soledad, CaliforniaSat, Mar 24, 12:05 PM PST · 15522 days ago · 7 km deep · 33 km away
19. 1.625 km SE of Big Sur, CaliforniaSat, Mar 24, 1:47 PM PST · 15522 days ago · 2 km deep · 78 km away
20. 1.827 km NE of Soledad, CaliforniaSat, Mar 24, 8:01 PM PST · 15522 days ago · 7 km deep · 38 km away
21. 1.627 km NE of Soledad, CaliforniaSat, Mar 24, 8:25 PM PST · 15522 days ago · 8 km deep · 38 km away
22. 1.625 km NE of Greenfield, CaliforniaSun, Mar 25, 3:37 AM PST · 15521 days ago · 7 km deep · 49 km away
23. 2.419 km SW of Three Rocks, CaliforniaSun, Mar 25, 4:45 AM PST · 15521 days ago · 72 km deep · 89 km away
24. 1.69 km NE of San Martin, CaliforniaSun, Mar 25, 6:20 AM PST · 15521 days ago · 8 km deep · 42 km away
25. 2.022 km SSW of Three Rocks, CaliforniaSun, Mar 25, 11:06 PM PST · 15521 days ago · 10 km deep · 94 km away
26. 4.010 km WSW of Ridgemark, CaliforniaSun, Mar 25, 11:58 PM PST · 15521 days ago · 8 km deep · 7 km away
27. 1.55 km E of Fremont, CaliforniaMon, Mar 26, 5:31 AM PST · 15520 days ago · 6 km deep · 97 km away
28. 1.67 km E of East Foothills, CaliforniaMon, Mar 26, 5:24 PM PST · 15520 days ago · 6 km deep · 72 km away
29. 2.02 km ESE of Tres Pinos, CaliforniaTue, Mar 27, 4:00 PM PST · 15519 days ago · 7 km deep · 9 km away
30. 1.77 km NE of Tres Pinos, CaliforniaWed, Mar 28, 3:21 PM PST · 15518 days ago · 6 km deep · 12 km away
31. 1.71 km SW of Tres Pinos, CaliforniaThu, Mar 29, 8:50 AM PST · 15517 days ago · 4 km deep · 5 km away
32. 1.69 km ENE of Gilroy, CaliforniaThu, Mar 29, 3:01 PM PST · 15517 days ago · 8 km deep · 29 km away
33. 2.67 km E of East Foothills, CaliforniaFri, Mar 30, 9:46 AM PST · 15516 days ago · 6 km deep · 72 km away
34. 2.47 km E of East Foothills, CaliforniaFri, Mar 30, 11:07 AM PST · 15516 days ago · 6 km deep · 72 km away
35. 1.57 km ESE of East Foothills, CaliforniaFri, Mar 30, 11:07 AM PST · 15516 days ago · 6 km deep · 71 km away
36. 2.522 km NNE of Soledad, CaliforniaFri, Mar 30, 12:08 PM PST · 15516 days ago · 4 km deep · 26 km away
37. 1.67 km SSW of Ridgemark, CaliforniaFri, Mar 30, 6:01 PM PST · 15516 days ago · 0 km deep · 5 km away
38. 1.67 km E of East Foothills, CaliforniaFri, Mar 30, 7:26 PM PST · 15516 days ago · 5 km deep · 72 km away
39. 2.027 km WNW of Three Rocks, CaliforniaSun, Apr 1, 7:31 AM PST · 15514 days ago · 8 km deep · 67 km away
40. 2.322 km NE of Soledad, CaliforniaSun, Apr 1, 11:11 AM PST · 15514 days ago · 3 km deep · 29 km away
41. 2.316 km W of Volta, CaliforniaSun, Apr 1, 10:12 PM PST · 15514 days ago · 0 km deep · 43 km away
42. 1.55 km SSW of Gilroy, CaliforniaMon, Apr 2, 1:12 AM PST · 15514 days ago · 3 km deep · 26 km away
43. 1.924 km ENE of Soledad, CaliforniaMon, Apr 2, 10:19 AM PST · 15513 days ago · 3 km deep · 43 km away
44. 1.730 km WNW of Three Rocks, CaliforniaMon, Apr 2, 5:18 PM PST · 15513 days ago · 7 km deep · 65 km away
45. 2.1Central CaliforniaTue, Apr 3, 7:50 PM PST · 15512 days ago · 13 km deep · 91 km away
46. 2.35 km SSW of Gilroy, CaliforniaWed, Apr 4, 4:57 PM PST · 15511 days ago · 3 km deep · 26 km away
47. 1.935 km SSW of South Dos Palos, CaliforniaThu, Apr 5, 12:47 AM PST · 15511 days ago · 4 km deep · 49 km away
48. 2.135 km SSW of South Dos Palos, CaliforniaThu, Apr 5, 1:35 AM PST · 15511 days ago · 5 km deep · 49 km away
49. 2.423 km ENE of Soledad, CaliforniaThu, Apr 5, 4:41 PM PST · 15510 days ago · 4 km deep · 43 km away
50. 2.124 km NE of Greenfield, CaliforniaThu, Apr 5, 4:45 PM PST · 15510 days ago · 6 km deep · 47 km away
51. 2.124 km ENE of Soledad, CaliforniaThu, Apr 5, 4:50 PM PST · 15510 days ago · 4 km deep · 43 km away
52. 1.733 km W of Lockwood, CaliforniaFri, Apr 6, 1:50 AM PST · 15510 days ago · 3 km deep · 98 km away
53. 2.88 km W of Diablo Grande, CaliforniaFri, Apr 6, 8:31 AM PST · 15509 days ago · 10 km deep · 68 km away
54. 1.95 km SSE of San Juan Bautista, CaliforniaSat, Apr 7, 8:04 AM PST · 15508 days ago · 5 km deep · 11 km away
55. 2.224 km NE of Greenfield, CaliforniaSun, Apr 8, 3:37 AM PST · 15507 days ago · 5 km deep · 47 km away
56. 1.63 km NNW of Hollister, CaliforniaSun, Apr 8, 12:34 PM PST · 15507 days ago · 6 km deep · 11 km away
57. 1.820 km SSE of Tres Pinos, CaliforniaSun, Apr 8, 2:32 PM PST · 15507 days ago · 4 km deep · 24 km away
58. 2.722 km SSW of Three Rocks, CaliforniaMon, Apr 9, 11:42 AM PST · 15506 days ago · 9 km deep · 94 km away
59. 1.923 km NE of San Ardo, CaliforniaTue, Apr 10, 12:08 AM PST · 15506 days ago · 7 km deep · 88 km away
60. 1.618 km SSW of Three Rocks, CaliforniaTue, Apr 10, 10:33 AM PST · 15505 days ago · 33 km deep · 99 km away

The first 60 of 178.

From the USGS Earthquake Hazards Program and its partner networks, event nc7846. Read Tue, Sep 22, 2026, 10:23 PM UTC.