M2.1 earthquake 2 km WSW of Huron, California

Magnitude

2.1 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Feb 17, 1977, 5:22 AM PST

UTC

1977-02-17 13:22:23 UTC

Depth

4.4 km (2.7 mi), shallow

Epicenter

36.195° N, 120.132° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

268°, poorly surrounded by stations

Stations used

16

• Huron, CaliforniaPopulation 6,836. Forecast3 kmWSW
• Avenal, CaliforniaPopulation 13,301. Forecast21 kmN
• Fresno, CaliforniaPopulation 542,107. Forecast69 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast294 kmNW

After

1. 2.523 km ENE of Soledad, CaliforniaThu, Feb 17, 3:22 PM PST · 18124 days ago · 4 km deep · 92 km away
2. 1.724 km NE of Greenfield, CaliforniaFri, Feb 18, 1:24 AM PST · 18124 days ago · 6 km deep · 86 km away
3. 1.727 km ENE of Soledad, CaliforniaFri, Feb 18, 3:07 PM PST · 18123 days ago · 5 km deep · 92 km away
4. 1.622 km ENE of San Lucas, CaliforniaFri, Feb 18, 4:51 PM PST · 18123 days ago · 6 km deep · 61 km away
5. 1.823 km ENE of San Lucas, CaliforniaFri, Feb 18, 6:09 PM PST · 18123 days ago · 6 km deep · 61 km away
6. 3.123 km ENE of Soledad, CaliforniaSat, Feb 19, 12:19 PM PST · 18122 days ago · 3 km deep · 91 km away
7. 2.324 km NW of Parkfield, CaliforniaSat, Feb 19, 8:38 PM PST · 18122 days ago · 0 km deep · 47 km away
8. 2.823 km NE of King City, CaliforniaSun, Feb 20, 12:25 AM PST · 18122 days ago · 7 km deep · 77 km away
9. 1.722 km ENE of San Ardo, CaliforniaSun, Feb 20, 12:45 AM PST · 18122 days ago · 7 km deep · 50 km away
10. 2.525 km ENE of Greenfield, CaliforniaSun, Feb 20, 8:00 AM PST · 18122 days ago · 0 km deep · 81 km away
11. 1.623 km NE of San Lucas, CaliforniaSun, Feb 20, 12:29 PM PST · 18121 days ago · 6 km deep · 61 km away
12. 2.224 km NE of Greenfield, CaliforniaSun, Feb 20, 11:33 PM PST · 18121 days ago · 5 km deep · 86 km away
13. 2.53 km SSE of San Ardo, CaliforniaMon, Feb 21, 6:32 AM PST · 18121 days ago · 5 km deep · 72 km away
14. 3.827 km ENE of Greenfield, CaliforniaMon, Feb 21, 11:37 AM PST · 18120 days ago · 9 km deep · 80 km away
15. 2.126 km ENE of Greenfield, CaliforniaMon, Feb 21, 12:40 PM PST · 18120 days ago · 8 km deep · 80 km away
16. 2.223 km ENE of San Lucas, CaliforniaMon, Feb 21, 7:41 PM PST · 18120 days ago · 6 km deep · 60 km away
17. 3.424 km NE of Greenfield, CaliforniaTue, Feb 22, 3:48 PM PST · 18119 days ago · 5 km deep · 87 km away
18. 2.032 km NE of Greenfield, CaliforniaTue, Feb 22, 10:16 PM PST · 18119 days ago · 6 km deep · 84 km away
19. 1.916 km NW of Parkfield, CaliforniaWed, Feb 23, 8:18 AM PST · 18119 days ago · 3 km deep · 45 km away
20. 3.024 km NE of Greenfield, CaliforniaFri, Feb 25, 5:22 AM PST · 18117 days ago · 5 km deep · 87 km away
21. 1.912 km NNE of San Ardo, CaliforniaFri, Feb 25, 5:36 AM PST · 18117 days ago · 9 km deep · 64 km away
22. 2.424 km NE of Greenfield, CaliforniaFri, Feb 25, 6:16 AM PST · 18117 days ago · 6 km deep · 87 km away
23. 2.724 km NE of Greenfield, CaliforniaFri, Feb 25, 6:21 AM PST · 18117 days ago · 6 km deep · 87 km away
24. 2.423 km NE of Greenfield, CaliforniaFri, Feb 25, 3:22 PM PST · 18116 days ago · 5 km deep · 87 km away
25. 1.624 km NE of Greenfield, CaliforniaFri, Feb 25, 3:28 PM PST · 18116 days ago · 5 km deep · 87 km away
26. 2.213 km NW of Parkfield, CaliforniaFri, Feb 25, 3:47 PM PST · 18116 days ago · 1 km deep · 44 km away
27. 1.95 km WSW of Creston, CaliforniaFri, Feb 25, 4:48 PM PST · 18116 days ago · 3 km deep · 88 km away
28. 1.924 km NE of Greenfield, CaliforniaFri, Feb 25, 7:57 PM PST · 18116 days ago · 5 km deep · 87 km away
29. 2.123 km ENE of San Ardo, CaliforniaFri, Feb 25, 11:00 PM PST · 18116 days ago · 7 km deep · 49 km away
30. 1.822 km ENE of San Ardo, CaliforniaSat, Feb 26, 9:40 AM PST · 18115 days ago · 3 km deep · 49 km away
31. 2.724 km NE of Greenfield, CaliforniaSat, Feb 26, 6:12 PM PST · 18115 days ago · 5 km deep · 87 km away
32. 2.723 km ENE of San Ardo, CaliforniaSun, Feb 27, 12:12 PM PST · 18114 days ago · 8 km deep · 49 km away
33. 2.838 km W of Three Rocks, CaliforniaSun, Feb 27, 3:29 PM PST · 18114 days ago · 7 km deep · 72 km away
34. 1.727 km ENE of Soledad, CaliforniaSun, Feb 27, 8:14 PM PST · 18114 days ago · 5 km deep · 92 km away
35. 1.527 km NE of Greenfield, CaliforniaMon, Feb 28, 12:43 AM PST · 18114 days ago · 7 km deep · 85 km away
36. 2.432 km W of Three Rocks, CaliforniaMon, Feb 28, 10:10 AM PST · 18113 days ago · 6 km deep · 66 km away
37. 1.56 km WSW of Creston, CaliforniaWed, Mar 2, 4:50 PM PST · 18111 days ago · 10 km deep · 88 km away
38. 1.821 km NW of Parkfield, CaliforniaThu, Mar 3, 12:16 AM PST · 18111 days ago · 5 km deep · 44 km away
39. 1.624 km NE of San Lucas, CaliforniaThu, Mar 3, 9:57 AM PST · 18110 days ago · 6 km deep · 60 km away
40. 1.524 km NE of Greenfield, CaliforniaThu, Mar 3, 3:22 PM PST · 18110 days ago · 7 km deep · 87 km away
41. 1.620 km NE of Soledad, CaliforniaThu, Mar 3, 4:58 PM PST · 18110 days ago · 6 km deep · 100 km away
42. 2.624 km NE of Greenfield, CaliforniaThu, Mar 3, 6:29 PM PST · 18110 days ago · 6 km deep · 87 km away
43. 2.024 km NE of Greenfield, CaliforniaThu, Mar 3, 6:46 PM PST · 18110 days ago · 6 km deep · 87 km away
44. 1.623 km NE of Greenfield, CaliforniaThu, Mar 3, 7:05 PM PST · 18110 days ago · 5 km deep · 87 km away
45. 2.024 km NE of Greenfield, CaliforniaThu, Mar 3, 8:16 PM PST · 18110 days ago · 6 km deep · 87 km away
46. 1.524 km NE of Greenfield, CaliforniaFri, Mar 4, 3:50 AM PST · 18110 days ago · 6 km deep · 87 km away
47. 1.520 km NE of Soledad, CaliforniaFri, Mar 4, 1:38 PM PST · 18109 days ago · 7 km deep · 100 km away
48. 1.924 km NE of Greenfield, CaliforniaSat, Mar 5, 12:01 AM PST · 18109 days ago · 5 km deep · 87 km away
49. 2.111 km NNE of Shandon, CaliforniaSat, Mar 5, 12:40 PM PST · 18108 days ago · 12 km deep · 53 km away
50. 1.628 km ENE of Soledad, CaliforniaMon, Mar 7, 10:38 AM PST · 18106 days ago · 8 km deep · 93 km away
51. 1.628 km NE of Soledad, CaliforniaThu, Mar 10, 9:21 AM PST · 18103 days ago · 7 km deep · 96 km away
52. 1.928 km WNW of Three Rocks, CaliforniaFri, Mar 11, 3:02 AM PST · 18103 days ago · 12 km deep · 66 km away
53. 3.228 km WNW of Three Rocks, CaliforniaFri, Mar 11, 9:55 PM PST · 18102 days ago · 13 km deep · 66 km away
54. 2.330 km WNW of Three Rocks, CaliforniaFri, Mar 11, 10:03 PM PST · 18102 days ago · 12 km deep · 67 km away
55. 2.325 km NE of Greenfield, CaliforniaSat, Mar 12, 4:08 PM PST · 18101 days ago · 8 km deep · 84 km away
56. 1.521 km NE of Soledad, CaliforniaSun, Mar 13, 11:38 AM PST · 18100 days ago · 5 km deep · 100 km away
57. 2.023 km NE of Greenfield, CaliforniaMon, Mar 14, 1:00 AM PST · 18100 days ago · 5 km deep · 88 km away
58. 2.221 km NE of Soledad, CaliforniaTue, Mar 15, 5:20 AM PST · 18099 days ago · 6 km deep · 100 km away
59. 2.821 km NE of Soledad, CaliforniaTue, Mar 15, 5:34 AM PST · 18099 days ago · 6 km deep · 100 km away
60. 2.325 km ENE of Greenfield, CaliforniaTue, Mar 15, 10:05 AM PST · 18098 days ago · 3 km deep · 82 km away

The first 60 of 129.

Before

1. 3.2Central CaliforniaWed, Feb 16, 10:32 AM PST · 18125 days ago · 8 km deep · 56 km away
2. 3.032 km E of Tres Pinos, CaliforniaWed, Feb 16, 8:37 AM PST · 18126 days ago · 0 km deep · 96 km away
3. 3.524 km NE of King City, CaliforniaWed, Feb 16, 7:43 AM PST · 18126 days ago · 7 km deep · 78 km away
4. 1.725 km ENE of Greenfield, CaliforniaWed, Feb 16, 6:51 AM PST · 18126 days ago · 7 km deep · 83 km away
5. 1.722 km ENE of Soledad, CaliforniaWed, Feb 16, 3:33 AM PST · 18126 days ago · 4 km deep · 93 km away
6. 2.024 km ENE of Greenfield, CaliforniaWed, Feb 16, 1:17 AM PST · 18126 days ago · 5 km deep · 84 km away
7. 3.123 km ENE of Soledad, CaliforniaTue, Feb 15, 7:43 PM PST · 18126 days ago · 7 km deep · 95 km away
8. 1.623 km ENE of San Lucas, CaliforniaTue, Feb 15, 2:23 PM PST · 18126 days ago · 7 km deep · 60 km away
9. 1.724 km NE of Greenfield, CaliforniaMon, Feb 14, 11:07 AM PST · 18127 days ago · 5 km deep · 87 km away
10. 3.124 km ENE of San Ardo, CaliforniaMon, Feb 14, 7:05 AM PST · 18128 days ago · -1 km deep · 48 km away
11. 2.520 km SSW of Three Rocks, CaliforniaMon, Feb 14, 12:47 AM PST · 18128 days ago · 5 km deep · 34 km away
12. 1.518 km NW of Parkfield, CaliforniaSun, Feb 13, 10:50 PM PST · 18128 days ago · 5 km deep · 44 km away
13. 3.324 km ENE of San Ardo, CaliforniaSun, Feb 13, 6:13 PM PST · 18128 days ago · 3 km deep · 48 km away
14. 2.727 km ENE of Soledad, CaliforniaSun, Feb 13, 12:01 PM PST · 18128 days ago · 5 km deep · 92 km away
15. 1.923 km NE of Greenfield, CaliforniaSat, Feb 12, 3:17 AM PST · 18130 days ago · 5 km deep · 86 km away
16. 1.924 km NE of Greenfield, CaliforniaFri, Feb 11, 8:18 PM PST · 18130 days ago · 5 km deep · 86 km away
17. 1.724 km NE of Greenfield, CaliforniaFri, Feb 11, 5:54 PM PST · 18130 days ago · 5 km deep · 86 km away
18. 2.923 km NE of Greenfield, CaliforniaFri, Feb 11, 5:50 PM PST · 18130 days ago · 5 km deep · 86 km away
19. 2.624 km NE of Greenfield, CaliforniaFri, Feb 11, 5:47 PM PST · 18130 days ago · 4 km deep · 86 km away
20. 3.423 km NE of Greenfield, CaliforniaFri, Feb 11, 5:45 PM PST · 18130 days ago · 5 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1033993. Read Sat, Oct 3, 2026, 4:42 AM UTC.