M1.7 earthquake 23 km NE of Greenfield, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, Jul 19, 1981, 5:02 PM PDT

UTC

1981-07-20 00:02:41 UTC

Depth

5.3 km (3.3 mi), shallow

Epicenter

36.466° N, 121.046° 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

±0.25

Depth from

From location

Station coverage gap

71°

Stations used

29

• Greenfield, CaliforniaPopulation 17,184. Forecast24 kmNE
• Salinas, CaliforniaPopulation 157,380. Forecast59 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast370 kmNW

After

1. 1.68 km NE of Gilroy, CaliforniaSun, Jul 19, 9:00 PM PDT · 16510 days ago · 8 km deep · 78 km away
2. 2.27 km SSE of San Juan Bautista, CaliforniaSun, Jul 19, 9:39 PM PDT · 16510 days ago · 8 km deep · 54 km away
3. 1.69 km NE of San Martin, CaliforniaSun, Jul 19, 9:50 PM PDT · 16510 days ago · 9 km deep · 86 km away
4. 2.123 km NE of San Ardo, CaliforniaMon, Jul 20, 3:47 AM PDT · 16509 days ago · 7 km deep · 40 km away
5. 1.89 km NNW of Hollister, CaliforniaWed, Jul 22, 2:30 AM PDT · 16507 days ago · 4 km deep · 63 km away
6. 1.824 km NE of Greenfield, CaliforniaThu, Jul 23, 2:08 AM PDT · 16506 days ago · 7 km deep · 1 km away
7. 1.525 km NW of San Simeon, CaliforniaFri, Jul 24, 4:16 PM PDT · 16505 days ago · 10 km deep · 80 km away
8. 1.522 km NE of San Lucas, CaliforniaSat, Jul 25, 4:59 AM PDT · 16504 days ago · 6 km deep · 29 km away
9. 1.99 km NE of Gilroy, CaliforniaSat, Jul 25, 12:34 PM PDT · 16504 days ago · 9 km deep · 78 km away
10. 3.031 km ENE of Soledad, CaliforniaSat, Jul 25, 2:48 PM PDT · 16504 days ago · 9 km deep · 12 km away
11. 1.730 km ENE of Soledad, CaliforniaSat, Jul 25, 2:50 PM PDT · 16504 days ago · 7 km deep · 11 km away
12. 1.58 km SSW of Ridgemark, CaliforniaSat, Jul 25, 5:01 PM PDT · 16504 days ago · 6 km deep · 44 km away
13. 1.611 km S of Oak Shores, CaliforniaMon, Jul 27, 3:42 PM PDT · 16502 days ago · 4 km deep · 89 km away
14. 1.811 km S of Tres Pinos, CaliforniaTue, Jul 28, 6:47 AM PDT · 16501 days ago · 4 km deep · 35 km away
15. 2.12 km ESE of Aromas, CaliforniaTue, Jul 28, 1:38 PM PDT · 16501 days ago · 7 km deep · 69 km away
16. 1.63 km ESE of Aromas, CaliforniaTue, Jul 28, 2:08 PM PDT · 16501 days ago · 7 km deep · 68 km away
17. 2.121 km NE of Soledad, CaliforniaTue, Jul 28, 2:29 PM PDT · 16501 days ago · 6 km deep · 16 km away
18. 1.58 km NE of San Martin, CaliforniaTue, Jul 28, 2:49 PM PDT · 16501 days ago · 8 km deep · 86 km away
19. 1.530 km ENE of Soledad, CaliforniaTue, Jul 28, 3:40 PM PDT · 16501 days ago · 8 km deep · 12 km away
20. 1.713 km SSE of Tres Pinos, CaliforniaThu, Jul 30, 12:44 AM PDT · 16499 days ago · 5 km deep · 31 km away
21. 2.014 km SSE of Tres Pinos, CaliforniaThu, Jul 30, 6:59 AM PDT · 16499 days ago · 4 km deep · 30 km away
22. 2.025 km NE of Soledad, CaliforniaThu, Jul 30, 3:11 PM PDT · 16499 days ago · 7 km deep · 18 km away
23. 1.613 km WNW of Oak Shores, CaliforniaThu, Jul 30, 8:43 PM PDT · 16499 days ago · 5 km deep · 72 km away
24. 2.438 km W of Three Rocks, CaliforniaThu, Jul 30, 9:05 PM PDT · 16499 days ago · 6 km deep · 22 km away
25. 2.938 km W of Three Rocks, CaliforniaThu, Jul 30, 9:26 PM PDT · 16499 days ago · 7 km deep · 23 km away
26. 1.738 km W of Three Rocks, CaliforniaFri, Jul 31, 2:58 AM PDT · 16498 days ago · 4 km deep · 23 km away
27. 1.938 km W of Three Rocks, CaliforniaFri, Jul 31, 6:57 PM PDT · 16498 days ago · 8 km deep · 22 km away
28. 1.738 km W of Three Rocks, CaliforniaFri, Jul 31, 7:01 PM PDT · 16498 days ago · 8 km deep · 23 km away
29. 1.838 km W of Three Rocks, CaliforniaFri, Jul 31, 7:06 PM PDT · 16498 days ago · 7 km deep · 23 km away
30. 1.638 km W of Three Rocks, CaliforniaFri, Jul 31, 7:07 PM PDT · 16498 days ago · 7 km deep · 22 km away
31. 1.638 km W of Three Rocks, CaliforniaFri, Jul 31, 7:10 PM PDT · 16498 days ago · 6 km deep · 23 km away
32. 1.637 km W of Three Rocks, CaliforniaFri, Jul 31, 7:34 PM PDT · 16498 days ago · 5 km deep · 23 km away
33. 2.338 km W of Three Rocks, CaliforniaFri, Jul 31, 11:21 PM PDT · 16497 days ago · 8 km deep · 23 km away
34. 2.516 km ENE of San Martin, CaliforniaSat, Aug 1, 10:05 AM PDT · 16497 days ago · 7 km deep · 86 km away
35. 1.820 km NW of Parkfield, CaliforniaSun, Aug 2, 5:24 PM PDT · 16496 days ago · 4 km deep · 63 km away
36. 2.038 km W of Three Rocks, CaliforniaMon, Aug 3, 2:58 AM PDT · 16495 days ago · 6 km deep · 22 km away
37. 2.69 km NE of Gilroy, CaliforniaMon, Aug 3, 8:05 PM PDT · 16495 days ago · 9 km deep · 77 km away
38. 2.324 km NE of Greenfield, CaliforniaMon, Aug 3, 11:20 PM PDT · 16494 days ago · 3 km deep · 1 km away
39. 1.738 km W of Three Rocks, CaliforniaTue, Aug 4, 3:36 AM PDT · 16494 days ago · 5 km deep · 23 km away
40. 1.638 km W of Three Rocks, CaliforniaTue, Aug 4, 5:24 AM PDT · 16494 days ago · 5 km deep · 22 km away
41. 2.78 km SSW of Tres Pinos, CaliforniaTue, Aug 4, 6:21 AM PDT · 16494 days ago · 2 km deep · 41 km away
42. 3.18 km SSW of Tres Pinos, CaliforniaTue, Aug 4, 6:27 AM PDT · 16494 days ago · 2 km deep · 41 km away
43. 2.737 km W of Three Rocks, CaliforniaWed, Aug 5, 1:41 AM PDT · 16493 days ago · 7 km deep · 23 km away
44. 2.038 km W of Three Rocks, CaliforniaWed, Aug 5, 2:10 AM PDT · 16493 days ago · 5 km deep · 23 km away
45. 1.638 km W of Three Rocks, CaliforniaWed, Aug 5, 12:13 PM PDT · 16493 days ago · 5 km deep · 22 km away
46. 1.838 km W of Three Rocks, CaliforniaWed, Aug 5, 2:44 PM PDT · 16493 days ago · 4 km deep · 22 km away
47. 1.838 km W of Three Rocks, CaliforniaWed, Aug 5, 2:47 PM PDT · 16493 days ago · 7 km deep · 23 km away
48. 2.338 km W of Three Rocks, CaliforniaWed, Aug 5, 10:51 PM PDT · 16492 days ago · 4 km deep · 23 km away
49. 1.821 km NE of Soledad, CaliforniaThu, Aug 6, 12:13 AM PDT · 16492 days ago · 6 km deep · 18 km away
50. 1.738 km W of Three Rocks, CaliforniaThu, Aug 6, 3:52 AM PDT · 16492 days ago · 5 km deep · 23 km away
51. 2.637 km W of Three Rocks, CaliforniaThu, Aug 6, 2:35 PM PDT · 16492 days ago · 7 km deep · 23 km away
52. 1.5Central CaliforniaThu, Aug 6, 5:54 PM PDT · 16492 days ago · 4 km deep · 22 km away
53. 1.97 km NE of Ridgemark, CaliforniaFri, Aug 7, 4:24 AM PDT · 16491 days ago · 6 km deep · 50 km away
54. 1.88 km ENE of Gilroy, CaliforniaFri, Aug 7, 8:01 AM PDT · 16491 days ago · 6 km deep · 73 km away
55. 2.519 km NW of Parkfield, CaliforniaSat, Aug 8, 1:05 AM PDT · 16490 days ago · 5 km deep · 64 km away
56. 1.619 km E of Tres Pinos, CaliforniaSat, Aug 8, 6:47 AM PDT · 16490 days ago · 5 km deep · 36 km away
57. 1.539 km W of Three Rocks, CaliforniaSat, Aug 8, 7:06 AM PDT · 16490 days ago · 11 km deep · 20 km away
58. 1.730 km WSW of Lockwood, CaliforniaSat, Aug 8, 9:54 AM PDT · 16490 days ago · 8 km deep · 74 km away
59. 1.829 km NW of San Simeon, CaliforniaSat, Aug 8, 4:04 PM PDT · 16490 days ago · 0 km deep · 76 km away
60. 1.611 km ESE of Tres Pinos, CaliforniaSat, Aug 8, 10:27 PM PDT · 16490 days ago · 10 km deep · 33 km away

The first 60 of 161.

Before

1. 1.822 km NE of San Ardo, CASun, Jul 19, 3:09 PM PDT · 16510 days ago · 1 km deep · 45 km away
2. 1.612 km SSE of Parkfield, CaliforniaSun, Jul 19, 2:59 PM PDT · 16510 days ago · 9 km deep · 96 km away
3. 2.023 km NNE of San Lucas, CaliforniaSat, Jul 18, 10:12 AM PDT · 16511 days ago · 7 km deep · 22 km away
4. 2.52 km S of San Juan Bautista, CaliforniaSat, Jul 18, 3:22 AM PDT · 16511 days ago · 4 km deep · 60 km away
5. 3.02 km SSW of San Juan Bautista, CaliforniaSat, Jul 18, 1:51 AM PDT · 16511 days ago · 5 km deep · 60 km away
6. 1.831 km WNW of Coalinga, CaliforniaSat, Jul 18, 12:46 AM PDT · 16511 days ago · 16 km deep · 40 km away
7. 2.1Central CaliforniaFri, Jul 17, 1:06 AM PDT · 16512 days ago · 6 km deep · 23 km away
8. 1.67 km SSW of San Lucas, CaliforniaFri, Jul 17, 1:03 AM PDT · 16512 days ago · 10 km deep · 45 km away
9. 1.923 km NE of San Ardo, CaliforniaFri, Jul 17, 12:12 AM PDT · 16512 days ago · 7 km deep · 40 km away
10. 1.62 km ESE of San Ardo, CaliforniaThu, Jul 16, 3:26 PM PDT · 16513 days ago · 8 km deep · 53 km away
11. 1.732 km W of Lockwood, CaliforniaThu, Jul 16, 3:23 PM PDT · 16513 days ago · 4 km deep · 72 km away
12. 2.87 km WSW of San Ardo, CaliforniaThu, Jul 16, 5:25 AM PDT · 16513 days ago · 15 km deep · 52 km away
13. 1.84 km N of Hollister, CaliforniaWed, Jul 15, 8:54 AM PDT · 16514 days ago · 8 km deep · 57 km away
14. 1.612 km NNE of Cambria, CaliforniaWed, Jul 15, 7:12 AM PDT · 16514 days ago · 6 km deep · 89 km away
15. 1.69 km NE of San Martin, CaliforniaWed, Jul 15, 5:20 AM PDT · 16514 days ago · 7 km deep · 87 km away
16. 2.120 km SSE of Tres Pinos, CaliforniaTue, Jul 14, 11:51 AM PDT · 16515 days ago · 6 km deep · 23 km away
17. 3.020 km SSE of Tres Pinos, CaliforniaTue, Jul 14, 11:28 AM PDT · 16515 days ago · 6 km deep · 23 km away
18. 2.524 km NE of Soledad, CaliforniaTue, Jul 14, 1:36 AM PDT · 16515 days ago · 10 km deep · 11 km away
19. 1.97 km NE of San Juan Bautista, CaliforniaMon, Jul 13, 11:14 PM PDT · 16515 days ago · 8 km deep · 61 km away
20. 2.414km NE of Parkfield, CAMon, Jul 13, 3:14 PM PDT · 16516 days ago · 5 km deep · 86 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1065741. Read Thu, Oct 1, 2026, 5:14 PM UTC.