M1.7 earthquake 38 km W of Three Rocks, California

Magnitude

1.7 (md), micro

Local time

Sun, Dec 23, 1984, 4:50 AM PST

UTC

1984-12-23 12:50:58 UTC

Depth

1.9 km (1.2 mi), shallow

Epicenter

36.545° N, 120.823° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.2 km horizontally, 15.8 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

116°

Stations used

27

• Greenfield, CaliforniaPopulation 17,184. Forecast45 kmENE
• Salinas, CaliforniaPopulation 157,380. Forecast76 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast363 kmNW

After

1. 1.912 km SSE of Big Sur, CaliforniaSun, Dec 23, 7:37 AM PST · 15248 days ago · 7 km deep · 96 km away
2. 1.540 km NE of Greenfield, CaliforniaSun, Dec 23, 9:12 PM PST · 15248 days ago · 4 km deep · 5 km away
3. 2.111 km SSW of Stratford, CaliforniaSun, Dec 23, 10:06 PM PST · 15248 days ago · 19 km deep · 100 km away
4. 1.520 km NW of Parkfield, CaliforniaMon, Dec 24, 4:07 AM PST · 15247 days ago · 8 km deep · 60 km away
5. 1.59 km SSW of Oak Shores, CaliforniaMon, Dec 24, 8:30 AM PST · 15247 days ago · 4 km deep · 97 km away
6. 2.19 km SSW of Oak Shores, CaliforniaMon, Dec 24, 3:17 PM PST · 15247 days ago · 5 km deep · 97 km away
7. 2.2Central CaliforniaMon, Dec 24, 4:01 PM PST · 15247 days ago · 10 km deep · 55 km away
8. 1.69 km SSW of Oak Shores, CaliforniaMon, Dec 24, 8:30 PM PST · 15247 days ago · 5 km deep · 97 km away
9. 1.920 km SW of Three Rocks, CaliforniaTue, Dec 25, 3:22 AM PST · 15246 days ago · 13 km deep · 30 km away
10. 2.23 km N of Hollister, CaliforniaTue, Dec 25, 9:35 AM PST · 15246 days ago · 9 km deep · 64 km away
11. 2.18 km NE of Coalinga, CaliforniaTue, Dec 25, 10:31 AM PST · 15246 days ago · 8 km deep · 61 km away
12. 1.611 km ENE of Coalinga, CaliforniaTue, Dec 25, 8:47 PM PST · 15246 days ago · 10 km deep · 67 km away
13. 1.99 km SSW of Oak Shores, CaliforniaTue, Dec 25, 11:41 PM PST · 15246 days ago · 5 km deep · 97 km away
14. 1.92 km SW of San Juan Bautista, CaliforniaWed, Dec 26, 8:20 PM PST · 15245 days ago · 6 km deep · 73 km away
15. 2.26 km NE of Interlaken, CaliforniaThu, Dec 27, 7:33 PM PST · 15244 days ago · 10 km deep · 91 km away
16. 2.114 km N of Coalinga, CaliforniaFri, Dec 28, 11:15 AM PST · 15243 days ago · 9 km deep · 52 km away
17. 2.611 km NW of Coalinga, CaliforniaFri, Dec 28, 10:49 PM PST · 15243 days ago · 5 km deep · 50 km away
18. 1.912 km NW of Coalinga, CaliforniaFri, Dec 28, 11:01 PM PST · 15243 days ago · 3 km deep · 49 km away
19. 1.716 km NNW of Coalinga, CaliforniaSat, Dec 29, 4:31 AM PST · 15242 days ago · 8 km deep · 47 km away
20. 1.81 km E of Aromas, CaliforniaSun, Dec 30, 9:52 AM PST · 15241 days ago · 8 km deep · 81 km away
21. 1.710 km SW of Carmel Valley Village, CaliforniaSun, Dec 30, 6:12 PM PST · 15241 days ago · 7 km deep · 92 km away
22. 2.48 km ENE of Morgan Hill, CaliforniaMon, Dec 31, 10:29 AM PST · 15240 days ago · 2 km deep · 95 km away
23. 1.624 km ENE of Greenfield, CaliforniaMon, Dec 31, 4:47 PM PST · 15240 days ago · 6 km deep · 21 km away
24. 1.941 km W of Lockwood, CAWed, Jan 2, 7:10 PM PST · 15238 days ago · 10 km deep · 92 km away
25. 3.37 km NE of Coalinga, CaliforniaThu, Jan 3, 2:45 AM PST · 15237 days ago · 11 km deep · 61 km away
26. 3.17 km NE of Coalinga, CaliforniaThu, Jan 3, 3:03 AM PST · 15237 days ago · 10 km deep · 61 km away
27. 3.87 km NE of Coalinga, CaliforniaThu, Jan 3, 3:22 AM PST · 15237 days ago · 11 km deep · 60 km away
28. 1.87 km NE of Coalinga, CaliforniaThu, Jan 3, 3:27 AM PST · 15237 days ago · 11 km deep · 61 km away
29. 1.87 km N of Coalinga, CaliforniaThu, Jan 3, 3:34 AM PST · 15237 days ago · 12 km deep · 57 km away
30. 2.47 km NE of Coalinga, CaliforniaThu, Jan 3, 3:41 AM PST · 15237 days ago · 10 km deep · 62 km away
31. 1.711 km ENE of Coalinga, CaliforniaThu, Jan 3, 4:40 AM PST · 15237 days ago · 9 km deep · 68 km away
32. 1.625 km W of Three Rocks, CaliforniaThu, Jan 3, 6:09 AM PST · 15237 days ago · 0 km deep · 14 km away
33. 1.65 km E of Coalinga, CaliforniaThu, Jan 3, 2:42 PM PST · 15237 days ago · 14 km deep · 66 km away
34. 1.939 km ENE of Soledad, CaliforniaThu, Jan 3, 2:46 PM PST · 15237 days ago · 6 km deep · 11 km away
35. 3.00 km WSW of Parkfield, CaliforniaThu, Jan 3, 11:12 PM PST · 15237 days ago · 5 km deep · 80 km away
36. 1.69 km ENE of Coalinga, CaliforniaFri, Jan 4, 3:34 AM PST · 15236 days ago · 10 km deep · 63 km away
37. 1.511 km ENE of Coalinga, CaliforniaFri, Jan 4, 3:38 PM PST · 15236 days ago · 10 km deep · 67 km away
38. 2.424 km NE of King City, CaliforniaFri, Jan 4, 9:46 PM PST · 15236 days ago · 10 km deep · 22 km away
39. 1.524 km WNW of Three Rocks, CaliforniaSat, Jan 5, 6:02 AM PST · 15235 days ago · 7 km deep · 18 km away
40. 1.811 km NNW of Coalinga, CaliforniaSun, Jan 6, 12:51 AM PST · 15235 days ago · 11 km deep · 52 km away
41. 3.522 km NNE of Soledad, CaliforniaSun, Jan 6, 10:33 AM PST · 15234 days ago · 9 km deep · 35 km away
42. 1.612 km W of Oak Shores, CaliforniaSun, Jan 6, 2:56 PM PST · 15234 days ago · 5 km deep · 89 km away
43. 2.423 km NE of King City, CaliforniaMon, Jan 7, 12:25 AM PST · 15234 days ago · 6 km deep · 22 km away
44. 2.124 km NE of Greenfield, CaliforniaMon, Jan 7, 9:52 AM PST · 15233 days ago · 5 km deep · 22 km away
45. 1.822 km NNE of Soledad, CaliforniaMon, Jan 7, 3:37 PM PST · 15233 days ago · 8 km deep · 35 km away
46. 2.422 km NNE of Soledad, CaliforniaTue, Jan 8, 1:04 AM PST · 15232 days ago · 8 km deep · 35 km away
47. 1.625 km ENE of Greenfield, CaliforniaTue, Jan 8, 10:02 AM PST · 15232 days ago · 2 km deep · 20 km away
48. 1.624 km ENE of Greenfield, CaliforniaTue, Jan 8, 10:02 AM PST · 15232 days ago · 2 km deep · 20 km away
49. 1.612 km NNW of Coalinga, CaliforniaTue, Jan 8, 12:52 PM PST · 15232 days ago · 11 km deep · 50 km away
50. 1.523 km NE of King City, CaliforniaTue, Jan 8, 1:02 PM PST · 15232 days ago · 5 km deep · 22 km away
51. 1.910 km NE of Coalinga, CaliforniaTue, Jan 8, 7:20 PM PST · 15232 days ago · 5 km deep · 61 km away
52. 2.6Central CaliforniaWed, Jan 9, 1:25 PM PST · 15231 days ago · 7 km deep · 72 km away
53. 2.4Central CaliforniaWed, Jan 9, 2:29 PM PST · 15231 days ago · 10 km deep · 67 km away
54. 2.3Central CaliforniaWed, Jan 9, 2:34 PM PST · 15231 days ago · 4 km deep · 54 km away
55. 2.127 km ENE of San Lucas, CaliforniaWed, Jan 9, 4:21 PM PST · 15231 days ago · 9 km deep · 33 km away
56. 1.712 km NNW of Coalinga, CaliforniaWed, Jan 9, 7:15 PM PST · 15231 days ago · 5 km deep · 49 km away
57. 2.414 km NNW of Coalinga, CaliforniaThu, Jan 10, 8:47 PM PST · 15230 days ago · 2 km deep · 47 km away
58. 1.819 km NW of San Simeon, CaliforniaFri, Jan 11, 6:17 AM PST · 15229 days ago · 9 km deep · 99 km away
59. 1.623 km NE of King City, CaliforniaFri, Jan 11, 3:10 PM PST · 15229 days ago · 6 km deep · 22 km away
60. 1.814 km N of Coalinga, CaliforniaSun, Jan 13, 11:52 AM PST · 15227 days ago · 8 km deep · 51 km away

The first 60 of 191.

From the USGS Earthquake Hazards Program and its partner networks, event nc35201. Read Tue, Sep 22, 2026, 8:25 PM UTC.