M2.8 earthquake 8 km ENE of Patterson, California

Magnitude

2.8 (md), micro

Local time

Mon, Apr 12, 1982, 11:31 PM PST

UTC

1982-04-13 07:31:56 UTC

Depth

11.9 km (7.4 mi), shallow

Epicenter

37.489° N, 121.040° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

57°

Stations used

83

• Patterson, CaliforniaPopulation 21,498. Forecast8 kmENE
• Modesto, CaliforniaPopulation 211,266. Forecast17 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast458 kmNNW

After

1. 2.310 km SW of Brentwood, CaliforniaTue, Apr 13, 3:28 AM PST · 16233 days ago · 13 km deep · 76 km away
2. 3.03 km WSW of San Juan Bautista, CaliforniaTue, Apr 13, 6:09 AM PST · 16233 days ago · 7 km deep · 86 km away
3. 1.75 km SSW of Gilroy, CaliforniaTue, Apr 13, 7:37 PM PST · 16233 days ago · 5 km deep · 76 km away
4. 2.122 km WNW of Diablo Grande, CaliforniaWed, Apr 14, 5:50 AM PST · 16232 days ago · 6 km deep · 43 km away
5. 1.526 km SE of Tres Pinos, CaliforniaWed, Apr 14, 5:37 PM PST · 16232 days ago · 9 km deep · 96 km away
6. 1.93 km SSE of San Juan Bautista, CaliforniaFri, Apr 16, 4:33 PM PST · 16230 days ago · 3 km deep · 86 km away
7. 1.64 km SE of Prunedale, CaliforniaSun, Apr 18, 2:21 PM PST · 16228 days ago · 14 km deep · 98 km away
8. 2.49 km SW of Ridgemark, CaliforniaTue, Apr 20, 5:04 AM PST · 16226 days ago · 6 km deep · 89 km away
9. 1.810 km S of Tres Pinos, CaliforniaTue, Apr 20, 12:08 PM PST · 16226 days ago · 4 km deep · 92 km away
10. 1.910 km SE of Livermore, CaliforniaWed, Apr 21, 11:18 AM PST · 16225 days ago · 10 km deep · 58 km away
11. 1.56 km NNE of East Foothills, CaliforniaThu, Apr 22, 12:22 AM PST · 16225 days ago · 5 km deep · 67 km away
12. 1.816 km E of East Foothills, CaliforniaThu, Apr 22, 3:03 AM PST · 16224 days ago · 8 km deep · 53 km away
13. 2.917 km E of East Foothills, CaliforniaFri, Apr 23, 11:55 AM PST · 16223 days ago · 7 km deep · 53 km away
14. 1.79 km NNW of Hollister, CaliforniaFri, Apr 23, 11:59 AM PST · 16223 days ago · 5 km deep · 71 km away
15. 3.12 km S of Hollister, CaliforniaSat, Apr 24, 6:35 AM PST · 16222 days ago · 9 km deep · 80 km away
16. 3.16 km NE of East Foothills, CaliforniaSat, Apr 24, 6:59 PM PST · 16222 days ago · 8 km deep · 64 km away
17. 1.96 km ENE of East Foothills, CaliforniaSat, Apr 24, 7:01 PM PST · 16222 days ago · 9 km deep · 64 km away
18. 2.315 km SSE of Tres Pinos, CaliforniaMon, Apr 26, 12:19 PM PDT · 16220 days ago · 12 km deep · 93 km away
19. 2.322 km NNE of Soledad, CaliforniaMon, Apr 26, 12:20 PM PDT · 16220 days ago · 9 km deep · 100 km away
20. 1.63 km E of Interlaken, CaliforniaTue, Apr 27, 7:26 PM PDT · 16219 days ago · 6 km deep · 83 km away
21. 2.96 km NNE of Interlaken, CaliforniaWed, Apr 28, 7:53 AM PDT · 16218 days ago · 11 km deep · 80 km away
22. 1.69 km NNW of Hollister, CaliforniaThu, Apr 29, 4:50 PM PDT · 16217 days ago · 6 km deep · 71 km away
23. 2.09 km NNW of Hollister, CaliforniaFri, Apr 30, 9:08 AM PDT · 16216 days ago · 6 km deep · 71 km away
24. 2.11 km ESE of Aromas, CaliforniaFri, Apr 30, 5:58 PM PDT · 16216 days ago · 7 km deep · 85 km away
25. 3.18 km ENE of Gilroy, CaliforniaSun, May 2, 6:37 AM PDT · 16214 days ago · 7 km deep · 63 km away
26. 3.19 km NNW of Hollister, CaliforniaSun, May 2, 8:34 PM PDT · 16214 days ago · 7 km deep · 71 km away
27. 2.3Central CaliforniaSun, May 2, 9:36 PM PDT · 16214 days ago · 6 km deep · 71 km away
28. 1.58 km ENE of Morgan Hill, CaliforniaSun, May 2, 11:36 PM PDT · 16214 days ago · 4 km deep · 59 km away
29. 1.734 km SW of South Dos Palos, CaliforniaMon, May 3, 3:15 PM PDT · 16213 days ago · 6 km deep · 88 km away
30. 2.99 km NNW of Hollister, CaliforniaMon, May 3, 3:48 PM PDT · 16213 days ago · 8 km deep · 70 km away
31. 3.34 km W of San Juan Bautista, CaliforniaMon, May 3, 10:29 PM PDT · 16213 days ago · 5 km deep · 86 km away
32. 1.734 km SW of South Dos Palos, CaliforniaWed, May 5, 5:39 PM PDT · 16211 days ago · 5 km deep · 87 km away
33. 1.78 km NNE of Milpitas, CaliforniaThu, May 6, 7:00 PM PDT · 16210 days ago · 3 km deep · 73 km away
34. 1.510 km NNW of Hollister, CaliforniaSun, May 9, 3:20 AM PDT · 16207 days ago · 5 km deep · 70 km away
35. 3.017 km SSE of Tres Pinos, CaliforniaMon, May 10, 11:10 AM PDT · 16206 days ago · 6 km deep · 96 km away
36. 3.117 km SSE of Tres Pinos, CaliforniaMon, May 10, 11:13 AM PDT · 16206 days ago · 6 km deep · 96 km away
37. 1.517 km SSE of Tres Pinos, CaliforniaMon, May 10, 11:19 AM PDT · 16206 days ago · 6 km deep · 97 km away
38. 2.86km ESE of Garden Acres, CAMon, May 10, 3:34 PM PDT · 16206 days ago · 6 km deep · 51 km away
39. 1.73 km ESE of Aromas, CaliforniaTue, May 11, 5:58 AM PDT · 16205 days ago · 5 km deep · 85 km away
40. 3.617 km SSE of Tres Pinos, CaliforniaTue, May 11, 3:37 PM PDT · 16205 days ago · 6 km deep · 96 km away
41. 2.517 km SSE of Tres Pinos, CaliforniaTue, May 11, 4:22 PM PDT · 16205 days ago · 6 km deep · 96 km away
42. 1.917 km SSE of Tres Pinos, CaliforniaTue, May 11, 5:38 PM PDT · 16205 days ago · 5 km deep · 96 km away
43. 1.717 km SSE of Tres Pinos, CaliforniaTue, May 11, 6:12 PM PDT · 16205 days ago · 7 km deep · 96 km away
44. 1.517 km SSE of Tres Pinos, CaliforniaTue, May 11, 10:11 PM PDT · 16205 days ago · 5 km deep · 96 km away
45. 1.618 km SSE of Tres Pinos, CaliforniaTue, May 11, 11:27 PM PDT · 16205 days ago · 6 km deep · 97 km away
46. 1.917 km WSW of Volta, CaliforniaWed, May 12, 1:44 AM PDT · 16205 days ago · 7 km deep · 52 km away
47. 1.69 km SSW of Tres Pinos, CaliforniaWed, May 12, 5:20 AM PDT · 16204 days ago · 7 km deep · 91 km away
48. 2.918 km SSE of Tres Pinos, CaliforniaWed, May 12, 5:26 AM PDT · 16204 days ago · 7 km deep · 97 km away
49. 2.518 km SSE of Tres Pinos, CaliforniaWed, May 12, 8:38 PM PDT · 16204 days ago · 5 km deep · 97 km away
50. 1.67 km WSW of Gilroy, CaliforniaFri, May 14, 1:20 AM PDT · 16203 days ago · 5 km deep · 78 km away
51. 2.222 km SSW of South Dos Palos, CaliforniaFri, May 14, 9:57 AM PDT · 16202 days ago · 4 km deep · 82 km away
52. 1.64 km SE of Lexington Hills, CaliforniaFri, May 14, 5:30 PM PDT · 16202 days ago · 12 km deep · 88 km away
53. 1.713 km SSW of Tracy, CaliforniaFri, May 14, 7:14 PM PDT · 16202 days ago · 7 km deep · 42 km away
54. 1.817 km SSE of Tres Pinos, CaliforniaSat, May 15, 1:49 AM PDT · 16202 days ago · 5 km deep · 96 km away
55. 1.718 km SSE of Tres Pinos, CaliforniaSat, May 15, 7:03 AM PDT · 16201 days ago · 6 km deep · 97 km away
56. 2.79 km E of San Martin, CaliforniaSat, May 15, 5:31 PM PDT · 16201 days ago · 9 km deep · 61 km away
57. 1.830 km SSW of Los Banos, CaliforniaMon, May 17, 5:04 PM PDT · 16199 days ago · 3 km deep · 77 km away
58. 1.734 km SW of South Dos Palos, CaliforniaWed, May 19, 8:14 AM PDT · 16197 days ago · 0 km deep · 87 km away
59. 2.29 km NE of Milpitas, CaliforniaWed, May 19, 10:31 AM PDT · 16197 days ago · 10 km deep · 71 km away
60. 3.215 km SSE of Tres Pinos, CaliforniaWed, May 19, 6:29 PM PDT · 16197 days ago · 3 km deep · 95 km away

The first 60 of 107.

Before

1. 2.227 km WSW of Mendota, CaliforniaMon, Apr 12, 5:07 AM PST · 16234 days ago · 9 km deep · 96 km away
2. 1.87 km S of Merced, CaliforniaMon, Apr 12, 2:13 AM PST · 16234 days ago · 19 km deep · 56 km away
3. 2.69 km ENE of Gilroy, CaliforniaSun, Apr 11, 8:35 PM PST · 16235 days ago · 9 km deep · 63 km away
4. 1.912 km ESE of Livermore, CaliforniaSun, Apr 11, 1:38 PM PST · 16235 days ago · 7 km deep · 56 km away
5. 1.76 km ENE of East Foothills, CaliforniaSun, Apr 11, 7:09 AM PST · 16235 days ago · 9 km deep · 64 km away
6. 2.132 km SE of Tres Pinos, CaliforniaSun, Apr 11, 2:45 AM PST · 16235 days ago · 23 km deep · 96 km away
7. 2.96 km E of East Foothills, CaliforniaSun, Apr 11, 12:08 AM PST · 16236 days ago · 7 km deep · 63 km away
8. 3.416 km SSE of Tres Pinos, CaliforniaSat, Apr 10, 9:30 PM PST · 16236 days ago · 10 km deep · 96 km away
9. 2.04 km SSE of San Juan Bautista, CaliforniaSat, Apr 10, 12:47 PM PST · 16236 days ago · 7 km deep · 87 km away
10. 2.819 km ESE of Tres Pinos, CaliforniaSat, Apr 10, 11:47 AM PST · 16236 days ago · 7 km deep · 83 km away
11. 2.79 km ENE of Gilroy, CaliforniaSat, Apr 10, 11:42 AM PST · 16236 days ago · 9 km deep · 63 km away
12. 1.99 km NNE of Milpitas, CaliforniaFri, Apr 9, 2:22 PM PST · 16237 days ago · 9 km deep · 71 km away
13. 1.69 km NNE of Milpitas, CaliforniaFri, Apr 9, 12:00 PM PST · 16237 days ago · 10 km deep · 71 km away
14. 2.34 km E of Union City, CaliforniaFri, Apr 9, 10:26 AM PST · 16237 days ago · 9 km deep · 82 km away
15. 2.710 km WSW of Ridgemark, CaliforniaFri, Apr 9, 8:28 AM PST · 16237 days ago · 6 km deep · 89 km away
16. 2.19 km NE of Milpitas, CaliforniaFri, Apr 9, 6:11 AM PST · 16237 days ago · 10 km deep · 71 km away
17. 2.09 km NNE of Milpitas, CaliforniaFri, Apr 9, 12:36 AM PST · 16238 days ago · 9 km deep · 71 km away
18. 1.727 km ESE of Tres Pinos, CaliforniaThu, Apr 8, 1:02 PM PST · 16238 days ago · 1 km deep · 89 km away
19. 1.716 km E of East Foothills, CaliforniaWed, Apr 7, 12:47 PM PST · 16239 days ago · 6 km deep · 53 km away
20. 2.316 km E of East Foothills, CaliforniaWed, Apr 7, 12:24 PM PST · 16239 days ago · 6 km deep · 53 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1073695. Read Tue, Sep 22, 2026, 8:58 PM UTC.