M1.9 earthquake 10 km NW of Parkfield, California

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Fri, Aug 20, 1982, 7:43 PM PDT

UTC

1982-08-21 02:43:23 UTC

Depth

8.1 km (5.0 mi), shallow

Epicenter

35.971° N, 120.515° 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

78°

Stations used

32

• Coalinga, CaliforniaPopulation 16,564. Forecast23 kmSW
• Fresno, CaliforniaPopulation 542,107. Forecast109 kmSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast297 kmNW

After

1. 1.738 km W of Three Rocks, CaliforniaSun, Aug 22, 2:03 PM PDT · 16114 days ago · 1 km deep · 71 km away
2. 1.628 km SE of Tres Pinos, CaliforniaSun, Aug 22, 5:37 PM PDT · 16114 days ago · 8 km deep · 88 km away
3. 3.123 km NE of San Ardo, CaliforniaSun, Aug 22, 6:24 PM PDT · 16114 days ago · 7 km deep · 33 km away
4. 2.223 km NE of San Ardo, CaliforniaSun, Aug 22, 6:45 PM PDT · 16114 days ago · 6 km deep · 33 km away
5. 1.716 km NW of Parkfield, CaliforniaMon, Aug 23, 12:46 PM PDT · 16113 days ago · 5 km deep · 6 km away
6. 3.022 km NNE of Soledad, CaliforniaWed, Aug 25, 10:50 AM PDT · 16111 days ago · 7 km deep · 94 km away
7. 2.222 km NNE of Soledad, CaliforniaWed, Aug 25, 11:45 AM PDT · 16111 days ago · 6 km deep · 94 km away
8. 2.522 km NNE of Soledad, CaliforniaThu, Aug 26, 6:56 PM PDT · 16110 days ago · 7 km deep · 94 km away
9. 2.120 km SSE of Tres Pinos, CaliforniaFri, Aug 27, 12:54 PM PDT · 16109 days ago · 6 km deep · 96 km away
10. 1.821 km NE of Soledad, CaliforniaFri, Aug 27, 10:32 PM PDT · 16109 days ago · 6 km deep · 86 km away
11. 1.721 km NE of Soledad, CaliforniaFri, Aug 27, 10:33 PM PDT · 16109 days ago · 6 km deep · 87 km away
12. 1.726 km NE of Greenfield, CaliforniaSun, Aug 29, 12:32 AM PDT · 16108 days ago · 6 km deep · 72 km away
13. 1.624 km NE of Greenfield, CaliforniaSun, Aug 29, 12:51 PM PDT · 16107 days ago · 5 km deep · 73 km away
14. 2.023 km NE of King City, CaliforniaSun, Aug 29, 9:30 PM PDT · 16107 days ago · 6 km deep · 60 km away
15. 2.017 km SSE of Tres Pinos, CaliforniaTue, Aug 31, 2:13 AM PDT · 16105 days ago · 4 km deep · 100 km away
16. 1.717 km SSE of Tres Pinos, CaliforniaTue, Aug 31, 10:04 AM PDT · 16105 days ago · 10 km deep · 100 km away
17. 1.810 km WNW of Oak Shores, CaliforniaThu, Sep 2, 5:44 PM PDT · 16103 days ago · 8 km deep · 54 km away
18. 2.221 km NE of Soledad, CaliforniaSat, Sep 4, 2:08 PM PDT · 16101 days ago · 7 km deep · 86 km away
19. 1.627 km SE of Big Sur, CaliforniaMon, Sep 6, 11:25 PM PDT · 16099 days ago · 7 km deep · 95 km away
20. 1.720 km SSE of Tres Pinos, CaliforniaWed, Sep 8, 1:39 AM PDT · 16097 days ago · 4 km deep · 97 km away
21. 1.99 km SSW of Oak Shores, CaliforniaWed, Sep 8, 5:50 AM PDT · 16097 days ago · 5 km deep · 56 km away
22. 1.623 km NE of King City, CaliforniaWed, Sep 8, 3:34 PM PDT · 16097 days ago · 6 km deep · 61 km away
23. 1.825 km SE of Tres Pinos, CaliforniaThu, Sep 9, 3:30 AM PDT · 16096 days ago · 7 km deep · 91 km away
24. 1.518 km SSE of Tres Pinos, CaliforniaTue, Sep 14, 4:19 AM PDT · 16091 days ago · 10 km deep · 99 km away
25. 1.623 km ENE of Soledad, CaliforniaWed, Sep 15, 4:05 AM PDT · 16090 days ago · 4 km deep · 80 km away
26. 1.52 km SE of San Ardo, CaliforniaWed, Sep 15, 10:53 PM PDT · 16090 days ago · 11 km deep · 33 km away
27. 2.423 km NW of Parkfield, CaliforniaSat, Sep 18, 12:04 AM PDT · 16088 days ago · 7 km deep · 12 km away
28. 1.838 km SSW of South Dos Palos, CaliforniaSun, Sep 19, 3:14 AM PDT · 16086 days ago · 8 km deep · 80 km away
29. 3.19km SW of Alpaugh, CAMon, Sep 20, 10:33 AM PDT · 16085 days ago · 5 km deep · 88 km away
30. 1.724 km NE of San Lucas, CaliforniaMon, Sep 20, 4:30 PM PDT · 16085 days ago · 7 km deep · 42 km away
31. 1.924 km ENE of Soledad, CaliforniaTue, Sep 21, 7:40 PM PDT · 16084 days ago · 3 km deep · 77 km away
32. 2.124 km NE of Greenfield, CaliforniaTue, Sep 21, 7:46 PM PDT · 16084 days ago · 5 km deep · 74 km away
33. 1.8Central CaliforniaThu, Sep 23, 2:55 AM PDT · 16082 days ago · 6 km deep · 100 km away
34. 1.622 km NE of Soledad, CaliforniaThu, Sep 23, 9:22 AM PDT · 16082 days ago · 3 km deep · 91 km away
35. 1.93 km SSE of San Ardo, CaliforniaSat, Sep 25, 6:02 PM PDT · 16080 days ago · 10 km deep · 34 km away
36. 1.724 km S of Kettleman City, CaliforniaSun, Sep 26, 3:42 AM PDT · 16079 days ago · 11 km deep · 50 km away
37. 1.821 km S of Kettleman City, CaliforniaSun, Sep 26, 4:20 AM PDT · 16079 days ago · 9 km deep · 52 km away
38. 2.424 km S of Kettleman City, CaliforniaSun, Sep 26, 5:00 AM PDT · 16079 days ago · 10 km deep · 50 km away
39. 1.714 km S of Kettleman City, CaliforniaMon, Sep 27, 12:53 AM PDT · 16079 days ago · 18 km deep · 53 km away
40. 1.627 km NE of Greenfield, CaliforniaMon, Sep 27, 8:21 AM PDT · 16078 days ago · 5 km deep · 74 km away
41. 2.924 km S of Kettleman City, CaliforniaMon, Sep 27, 5:39 PM PDT · 16078 days ago · 9 km deep · 50 km away
42. 1.710 km NNE of Cayucos, CaliforniaMon, Sep 27, 5:41 PM PDT · 16078 days ago · 6 km deep · 58 km away
43. 1.69 km NNE of Coalinga, CaliforniaMon, Sep 27, 9:39 PM PDT · 16078 days ago · 11 km deep · 32 km away
44. 1.620 km SSE of Kettleman City, CaliforniaMon, Sep 27, 10:32 PM PDT · 16078 days ago · 12 km deep · 58 km away
45. 1.622 km NE of San Lucas, CaliforniaTue, Sep 28, 3:13 PM PDT · 16077 days ago · 6 km deep · 44 km away
46. 2.223 km ENE of Greenfield, CaliforniaWed, Sep 29, 6:06 AM PDT · 16076 days ago · 5 km deep · 65 km away
47. 2.524 km NE of Greenfield, CaliforniaWed, Sep 29, 3:45 PM PDT · 16076 days ago · 5 km deep · 73 km away
48. 1.524 km NE of Greenfield, CaliforniaWed, Sep 29, 4:01 PM PDT · 16076 days ago · 4 km deep · 73 km away
49. 1.624 km NE of Greenfield, CaliforniaWed, Sep 29, 5:18 PM PDT · 16076 days ago · 4 km deep · 73 km away
50. 1.631 km SE of Big Sur, CaliforniaThu, Sep 30, 12:18 PM PDT · 16075 days ago · 7 km deep · 96 km away
51. 1.721 km NE of Soledad, CaliforniaSat, Oct 2, 4:36 AM PDT · 16073 days ago · 3 km deep · 87 km away
52. 1.915 km NW of Parkfield, CaliforniaSat, Oct 2, 5:18 AM PDT · 16073 days ago · 4 km deep · 5 km away
53. 2.0Central CaliforniaSat, Oct 2, 10:00 PM PDT · 16073 days ago · 7 km deep · 82 km away
54. 2.130 km ENE of Soledad, CaliforniaTue, Oct 5, 1:37 PM PDT · 16070 days ago · 6 km deep · 81 km away
55. 1.930 km ENE of Soledad, CaliforniaTue, Oct 5, 11:25 PM PDT · 16070 days ago · 7 km deep · 82 km away
56. 2.420 km NW of Parkfield, CaliforniaThu, Oct 7, 5:29 AM PDT · 16068 days ago · 7 km deep · 10 km away
57. 1.95 km S of Kettleman City, CaliforniaThu, Oct 7, 6:36 AM PDT · 16068 days ago · 24 km deep · 50 km away
58. 1.721 km SSE of Tres Pinos, CaliforniaThu, Oct 7, 9:03 AM PDT · 16068 days ago · 6 km deep · 96 km away
59. 2.120 km SSE of Tres Pinos, CaliforniaThu, Oct 7, 9:21 AM PDT · 16068 days ago · 4 km deep · 96 km away
60. 1.621 km NW of Parkfield, CaliforniaFri, Oct 8, 4:49 PM PDT · 16067 days ago · 7 km deep · 11 km away

The first 60 of 68.

Before

1. 1.621 km NE of Soledad, CaliforniaThu, Aug 19, 9:42 PM PDT · 16117 days ago · 6 km deep · 86 km away
2. 1.618 km SSE of Tres Pinos, CaliforniaThu, Aug 19, 8:09 PM PDT · 16117 days ago · 8 km deep · 100 km away
3. 2.12 km SE of San Ardo, CaliforniaThu, Aug 19, 8:50 AM PDT · 16117 days ago · 11 km deep · 33 km away
4. 1.621 km NE of Soledad, CaliforniaWed, Aug 18, 5:38 PM PDT · 16118 days ago · 7 km deep · 86 km away
5. 2.521 km NE of Soledad, CaliforniaWed, Aug 18, 12:57 AM PDT · 16119 days ago · 7 km deep · 86 km away
6. 2.99km S of Alpaugh, CATue, Aug 17, 10:16 AM PDT · 16119 days ago · 5 km deep · 94 km away
7. 1.623 km ENE of San Ardo, CaliforniaMon, Aug 16, 6:59 PM PDT · 16120 days ago · 4 km deep · 21 km away
8. 2.320 km SSE of Tres Pinos, CaliforniaSun, Aug 15, 1:36 PM PDT · 16121 days ago · 5 km deep · 96 km away
9. 1.620 km SSE of Tres Pinos, CaliforniaSun, Aug 15, 11:57 AM PDT · 16121 days ago · 4 km deep · 97 km away
10. 1.824 km NE of Greenfield, CaliforniaSun, Aug 15, 3:59 AM PDT · 16121 days ago · 5 km deep · 72 km away
11. 1.820 km SSE of Tres Pinos, CaliforniaSat, Aug 14, 3:50 PM PDT · 16122 days ago · 6 km deep · 96 km away
12. 1.722 km NNE of Soledad, CaliforniaSat, Aug 14, 10:55 AM PDT · 16122 days ago · 6 km deep · 94 km away
13. 2.620 km SSE of Tres Pinos, CaliforniaSat, Aug 14, 4:29 AM PDT · 16122 days ago · 5 km deep · 97 km away
14. 1.924 km NNE of San Lucas, CaliforniaFri, Aug 13, 4:30 PM PDT · 16123 days ago · 9 km deep · 51 km away
15. 1.623 km NNE of San Lucas, CaliforniaFri, Aug 13, 3:15 PM PDT · 16123 days ago · 8 km deep · 51 km away
16. 1.820 km SSE of Tres Pinos, CaliforniaFri, Aug 13, 7:49 AM PDT · 16123 days ago · 5 km deep · 96 km away
17. 1.56 km ENE of Coalinga, CaliforniaThu, Aug 12, 7:14 PM PDT · 16124 days ago · 7 km deep · 30 km away
18. 2.320 km SSE of Tres Pinos, CaliforniaThu, Aug 12, 5:38 PM PDT · 16124 days ago · 5 km deep · 96 km away
19. 2.121 km NE of Soledad, CaliforniaThu, Aug 12, 9:56 AM PDT · 16124 days ago · 3 km deep · 88 km away
20. 1.822 km NNE of Soledad, CaliforniaThu, Aug 12, 9:19 AM PDT · 16124 days ago · 5 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1077814. Read Sun, Oct 4, 2026, 7:42 PM UTC.