M2.7 earthquake 10 km WSW of Ridgemark, California

Magnitude

2.7 (md), micro

Local time

Fri, Apr 9, 1982, 8:28 AM PST

UTC

1982-04-09 16:28:09 UTC

Depth

6.3 km (3.9 mi), shallow

Epicenter

36.763° N, 121.461° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

44°

Stations used

64

• Ridgemark, CaliforniaPopulation 3,016. Forecast10 kmWSW
• Hollister, CaliforniaPopulation 37,462. Forecast11 kmSSW
• Salinas, CaliforniaPopulation 157,380. Forecast20 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast419 kmNW

After

1. 1.69 km NNE of Milpitas, CaliforniaFri, Apr 9, 12:00 PM PST · 16243 days ago · 10 km deep · 89 km away
2. 1.99 km NNE of Milpitas, CaliforniaFri, Apr 9, 2:22 PM PST · 16243 days ago · 9 km deep · 89 km away
3. 2.79 km ENE of Gilroy, CaliforniaSat, Apr 10, 11:42 AM PST · 16242 days ago · 9 km deep · 31 km away
4. 2.819 km ESE of Tres Pinos, CaliforniaSat, Apr 10, 11:47 AM PST · 16242 days ago · 7 km deep · 31 km away
5. 2.04 km SSE of San Juan Bautista, CaliforniaSat, Apr 10, 12:47 PM PST · 16242 days ago · 7 km deep · 7 km away
6. 3.416 km SSE of Tres Pinos, CaliforniaSat, Apr 10, 9:30 PM PST · 16241 days ago · 10 km deep · 21 km away
7. 1.824 km NE of Greenfield, CaliforniaSat, Apr 10, 10:17 PM PST · 16241 days ago · 7 km deep · 50 km away
8. 2.96 km E of East Foothills, CaliforniaSun, Apr 11, 12:08 AM PST · 16241 days ago · 7 km deep · 74 km away
9. 2.132 km SE of Tres Pinos, CaliforniaSun, Apr 11, 2:45 AM PST · 16241 days ago · 23 km deep · 42 km away
10. 1.76 km ENE of East Foothills, CaliforniaSun, Apr 11, 7:09 AM PST · 16241 days ago · 9 km deep · 77 km away
11. 1.912 km ESE of Livermore, CaliforniaSun, Apr 11, 1:38 PM PST · 16241 days ago · 7 km deep · 98 km away
12. 2.69 km ENE of Gilroy, CaliforniaSun, Apr 11, 8:35 PM PST · 16240 days ago · 9 km deep · 30 km away
13. 2.227 km WSW of Mendota, CaliforniaMon, Apr 12, 5:07 AM PST · 16240 days ago · 9 km deep · 71 km away
14. 2.88 km ENE of Patterson, CaliforniaMon, Apr 12, 11:31 PM PST · 16239 days ago · 12 km deep · 89 km away
15. 3.03 km WSW of San Juan Bautista, CaliforniaTue, Apr 13, 6:09 AM PST · 16239 days ago · 7 km deep · 13 km away
16. 1.75 km SSW of Gilroy, CaliforniaTue, Apr 13, 7:37 PM PST · 16238 days ago · 5 km deep · 25 km away
17. 2.122 km WNW of Diablo Grande, CaliforniaWed, Apr 14, 5:50 AM PST · 16238 days ago · 6 km deep · 76 km away
18. 1.921 km NE of Soledad, CaliforniaWed, Apr 14, 10:54 AM PST · 16238 days ago · 7 km deep · 39 km away
19. 1.526 km SE of Tres Pinos, CaliforniaWed, Apr 14, 5:37 PM PST · 16238 days ago · 9 km deep · 35 km away
20. 1.93 km SSE of San Juan Bautista, CaliforniaFri, Apr 16, 4:33 PM PST · 16236 days ago · 3 km deep · 8 km away
21. 1.64 km SE of Prunedale, CaliforniaSun, Apr 18, 2:21 PM PST · 16234 days ago · 14 km deep · 16 km away
22. 1.63 km SE of San Ardo, CaliforniaSun, Apr 18, 9:22 PM PST · 16233 days ago · 9 km deep · 99 km away
23. 2.49 km SW of Ridgemark, CaliforniaTue, Apr 20, 5:04 AM PST · 16232 days ago · 6 km deep · 1 km away
24. 1.810 km S of Tres Pinos, CaliforniaTue, Apr 20, 12:08 PM PST · 16232 days ago · 4 km deep · 14 km away
25. 1.910 km SE of Livermore, CaliforniaWed, Apr 21, 11:18 AM PST · 16231 days ago · 10 km deep · 98 km away
26. 1.56 km NNE of East Foothills, CaliforniaThu, Apr 22, 12:22 AM PST · 16230 days ago · 5 km deep · 80 km away
27. 1.816 km E of East Foothills, CaliforniaThu, Apr 22, 3:03 AM PST · 16230 days ago · 8 km deep · 71 km away
28. 1.524 km NE of King City, CaliforniaThu, Apr 22, 6:27 PM PST · 16229 days ago · 1 km deep · 61 km away
29. 2.924 km NE of King City, CaliforniaFri, Apr 23, 4:56 AM PST · 16229 days ago · 4 km deep · 67 km away
30. 2.917 km E of East Foothills, CaliforniaFri, Apr 23, 11:55 AM PST · 16229 days ago · 7 km deep · 71 km away
31. 1.79 km NNW of Hollister, CaliforniaFri, Apr 23, 11:59 AM PST · 16229 days ago · 5 km deep · 19 km away
32. 3.12 km S of Hollister, CaliforniaSat, Apr 24, 6:35 AM PST · 16228 days ago · 9 km deep · 9 km away
33. 3.16 km NE of East Foothills, CaliforniaSat, Apr 24, 6:59 PM PST · 16227 days ago · 8 km deep · 77 km away
34. 1.96 km ENE of East Foothills, CaliforniaSat, Apr 24, 7:01 PM PST · 16227 days ago · 9 km deep · 77 km away
35. 1.723 km NE of San Ardo, CaliforniaSun, Apr 25, 7:10 AM PDT · 16227 days ago · 7 km deep · 90 km away
36. 2.315 km SSE of Tres Pinos, CaliforniaMon, Apr 26, 12:19 PM PDT · 16226 days ago · 12 km deep · 23 km away
37. 2.322 km NNE of Soledad, CaliforniaMon, Apr 26, 12:20 PM PDT · 16226 days ago · 9 km deep · 28 km away
38. 1.93 km SW of Los Altos Hills, CaliforniaTue, Apr 27, 4:08 PM PDT · 16225 days ago · 8 km deep · 91 km away
39. 1.63 km E of Interlaken, CaliforniaTue, Apr 27, 7:26 PM PDT · 16224 days ago · 6 km deep · 29 km away
40. 2.96 km NNE of Interlaken, CaliforniaWed, Apr 28, 7:53 AM PDT · 16224 days ago · 11 km deep · 35 km away
41. 1.724 km NE of Greenfield, CaliforniaThu, Apr 29, 12:48 PM PDT · 16223 days ago · 5 km deep · 48 km away
42. 1.69 km NNW of Hollister, CaliforniaThu, Apr 29, 4:50 PM PDT · 16223 days ago · 6 km deep · 19 km away
43. 2.09 km NNW of Hollister, CaliforniaFri, Apr 30, 9:08 AM PDT · 16222 days ago · 6 km deep · 19 km away
44. 2.11 km ESE of Aromas, CaliforniaFri, Apr 30, 5:58 PM PDT · 16222 days ago · 7 km deep · 20 km away
45. 1.921 km NE of Soledad, CaliforniaSat, May 1, 8:08 PM PDT · 16220 days ago · 5 km deep · 38 km away
46. 1.924 km NE of Greenfield, CaliforniaSun, May 2, 12:09 AM PDT · 16220 days ago · 5 km deep · 49 km away
47. 3.18 km ENE of Gilroy, CaliforniaSun, May 2, 6:37 AM PDT · 16220 days ago · 7 km deep · 31 km away
48. 3.19 km NNW of Hollister, CaliforniaSun, May 2, 8:34 PM PDT · 16219 days ago · 7 km deep · 19 km away
49. 2.3Central CaliforniaSun, May 2, 9:36 PM PDT · 16219 days ago · 6 km deep · 19 km away
50. 1.924 km NNE of San Ardo, CaliforniaSun, May 2, 11:15 PM PDT · 16219 days ago · 7 km deep · 89 km away
51. 1.58 km ENE of Morgan Hill, CaliforniaSun, May 2, 11:36 PM PDT · 16219 days ago · 4 km deep · 47 km away
52. 1.734 km SW of South Dos Palos, CaliforniaMon, May 3, 3:15 PM PDT · 16219 days ago · 6 km deep · 53 km away
53. 2.99 km NNW of Hollister, CaliforniaMon, May 3, 3:48 PM PDT · 16219 days ago · 8 km deep · 20 km away
54. 3.34 km W of San Juan Bautista, CaliforniaMon, May 3, 10:29 PM PDT · 16218 days ago · 5 km deep · 14 km away
55. 2.121 km NE of Soledad, CaliforniaMon, May 3, 11:05 PM PDT · 16218 days ago · 7 km deep · 36 km away
56. 1.926 km ENE of Soledad, CaliforniaTue, May 4, 3:13 AM PDT · 16218 days ago · 8 km deep · 42 km away
57. 2.722 km NNE of Soledad, CaliforniaWed, May 5, 12:29 AM PDT · 16217 days ago · 5 km deep · 31 km away
58. 1.734 km SW of South Dos Palos, CaliforniaWed, May 5, 5:39 PM PDT · 16217 days ago · 5 km deep · 51 km away
59. 3.122 km NE of Soledad, CaliforniaThu, May 6, 4:05 AM PDT · 16216 days ago · 3 km deep · 35 km away
60. 1.78 km NNE of Milpitas, CaliforniaThu, May 6, 7:00 PM PDT · 16216 days ago · 3 km deep · 89 km away

The first 60 of 139.

Before

1. 2.19 km NE of Milpitas, CaliforniaFri, Apr 9, 6:11 AM PST · 16243 days ago · 10 km deep · 89 km away
2. 2.09 km NNE of Milpitas, CaliforniaFri, Apr 9, 12:36 AM PST · 16243 days ago · 9 km deep · 89 km away
3. 1.727 km ESE of Tres Pinos, CaliforniaThu, Apr 8, 1:02 PM PST · 16244 days ago · 1 km deep · 39 km away
4. 1.723 km NE of King City, CaliforniaWed, Apr 7, 1:32 PM PST · 16245 days ago · 4 km deep · 68 km away
5. 1.716 km E of East Foothills, CaliforniaWed, Apr 7, 12:47 PM PST · 16245 days ago · 6 km deep · 70 km away
6. 2.316 km E of East Foothills, CaliforniaWed, Apr 7, 12:24 PM PST · 16245 days ago · 6 km deep · 70 km away
7. 1.54 km E of Fremont, CaliforniaWed, Apr 7, 10:03 AM PST · 16245 days ago · 6 km deep · 98 km away
8. 1.625 km NE of Soledad, CaliforniaWed, Apr 7, 6:56 AM PST · 16245 days ago · 6 km deep · 39 km away
9. 2.123 km ENE of Soledad, CATue, Apr 6, 7:19 PM PST · 16245 days ago · 2 km deep · 41 km away
10. 1.722 km NE of Soledad, CaliforniaTue, Apr 6, 12:04 AM PST · 16246 days ago · 2 km deep · 31 km away
11. 2.18 km SSW of Tres Pinos, CaliforniaMon, Apr 5, 8:31 PM PST · 16246 days ago · 4 km deep · 11 km away
12. 2.43 km ENE of Tres Pinos, CaliforniaSun, Apr 4, 3:52 PM PST · 16248 days ago · 4 km deep · 16 km away
13. 1.64 km ENE of Tres Pinos, CaliforniaSun, Apr 4, 3:50 PM PST · 16248 days ago · 4 km deep · 17 km away
14. 1.924 km ENE of Greenfield, CaliforniaSun, Apr 4, 3:34 PM PST · 16248 days ago · 6 km deep · 55 km away
15. 1.623 km ENE of Soledad, CaliforniaSun, Apr 4, 2:02 PM PST · 16248 days ago · 5 km deep · 44 km away
16. 1.623 km ENE of Soledad, CaliforniaSun, Apr 4, 5:16 AM PST · 16248 days ago · 5 km deep · 44 km away
17. 1.52 km WNW of San Jose, CaliforniaFri, Apr 2, 6:55 PM PST · 16249 days ago · 12 km deep · 77 km away
18. 1.69 km N of Hollister, CaliforniaFri, Apr 2, 6:21 PM PST · 16249 days ago · 8 km deep · 21 km away
19. 1.910 km ESE of Gilroy, CaliforniaFri, Apr 2, 1:53 PM PST · 16250 days ago · 2 km deep · 23 km away
20. 1.66 km E of East Foothills, CaliforniaThu, Apr 1, 7:51 PM PST · 16250 days ago · 5 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1073600. Read Mon, Sep 28, 2026, 1:32 PM UTC.