M2.0 earthquake 3 km W of Ridgemark, California

Magnitude

2.0 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Apr 17, 1974, 1:37 AM PDT

UTC

1974-04-17 08:37:59 UTC

Depth

7.6 km (4.7 mi), shallow

Epicenter

36.813° N, 121.402° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.36

Depth from

From location

Station coverage gap

73°

Stations used

13

• Ridgemark, CaliforniaPopulation 3,016. Forecast3 kmW
• Hollister, CaliforniaPopulation 37,462. Forecast4 kmS
• Salinas, CaliforniaPopulation 157,380. Forecast27 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast420 kmNW

After

1. 2.65 km NE of Lockwood, CaliforniaWed, Apr 17, 8:15 AM PDT · 19163 days ago · 13 km deep · 98 km away
2. 2.317 km ENE of East Foothills, CaliforniaWed, Apr 17, 11:10 AM PDT · 19162 days ago · 6 km deep · 73 km away
3. 3.25 km SSW of Gilroy, CaliforniaWed, Apr 17, 12:30 PM PDT · 19162 days ago · 4 km deep · 23 km away
4. 2.05 km SSW of Gilroy, CaliforniaWed, Apr 17, 12:49 PM PDT · 19162 days ago · 4 km deep · 23 km away
5. 2.45 km NNE of East Foothills, CaliforniaWed, Apr 17, 1:01 PM PDT · 19162 days ago · 5 km deep · 76 km away
6. 2.4Central CaliforniaWed, Apr 17, 1:22 PM PDT · 19162 days ago · 4 km deep · 23 km away
7. 2.15 km SSW of Gilroy, CaliforniaWed, Apr 17, 3:08 PM PDT · 19162 days ago · 4 km deep · 23 km away
8. 2.25 km SSW of Gilroy, CaliforniaWed, Apr 17, 3:34 PM PDT · 19162 days ago · 4 km deep · 24 km away
9. 2.522 km NE of San Lucas, CaliforniaWed, Apr 17, 3:37 PM PDT · 19162 days ago · 5 km deep · 82 km away
10. 1.95 km SSW of Gilroy, CaliforniaWed, Apr 17, 7:04 PM PDT · 19162 days ago · 5 km deep · 23 km away
11. 2.19 km SW of Tres Pinos, CaliforniaWed, Apr 17, 8:17 PM PDT · 19162 days ago · 4 km deep · 9 km away
12. 2.75 km SSW of Gilroy, CaliforniaThu, Apr 18, 12:03 AM PDT · 19162 days ago · 4 km deep · 23 km away
13. 2.04 km SSW of Gilroy, CaliforniaThu, Apr 18, 12:21 AM PDT · 19162 days ago · 2 km deep · 24 km away
14. 2.25 km SSW of Gilroy, CaliforniaThu, Apr 18, 12:40 AM PDT · 19162 days ago · 4 km deep · 24 km away
15. 1.920 km SE of Tres Pinos, CaliforniaThu, Apr 18, 1:16 AM PDT · 19162 days ago · 4 km deep · 27 km away
16. 2.35 km SSW of Gilroy, CaliforniaThu, Apr 18, 3:15 AM PDT · 19162 days ago · 4 km deep · 23 km away
17. 2.95 km SSW of Gilroy, CaliforniaThu, Apr 18, 3:15 AM PDT · 19162 days ago · 6 km deep · 23 km away
18. 2.229 km ENE of Soledad, CaliforniaThu, Apr 18, 5:07 AM PDT · 19162 days ago · 5 km deep · 44 km away
19. 1.67 km NE of Aromas, CaliforniaThu, Apr 18, 5:40 AM PDT · 19162 days ago · 6 km deep · 21 km away
20. 1.85 km SSW of Gilroy, CaliforniaThu, Apr 18, 7:11 AM PDT · 19162 days ago · 3 km deep · 23 km away
21. 1.9Central CaliforniaThu, Apr 18, 10:02 AM PDT · 19161 days ago · 3 km deep · 23 km away
22. 2.0Central CaliforniaThu, Apr 18, 1:24 PM PDT · 19161 days ago · 4 km deep · 23 km away
23. 1.821 km NE of Soledad, CaliforniaThu, Apr 18, 8:32 PM PDT · 19161 days ago · 3 km deep · 35 km away
24. 1.88 km WSW of Ridgemark, CaliforniaFri, Apr 19, 1:46 AM PDT · 19161 days ago · 12 km deep · 6 km away
25. 3.725 km NE of Soledad, CaliforniaFri, Apr 19, 2:34 AM PDT · 19161 days ago · 9 km deep · 35 km away
26. 3.825 km NE of Soledad, CaliforniaFri, Apr 19, 6:56 AM PDT · 19161 days ago · 8 km deep · 36 km away
27. 1.524 km NE of Soledad, CaliforniaFri, Apr 19, 7:05 AM PDT · 19161 days ago · 9 km deep · 36 km away
28. 4.25 km NE of Lockwood, CaliforniaFri, Apr 19, 8:32 AM PDT · 19161 days ago · 11 km deep · 98 km away
29. 2.830 km ENE of Soledad, CaliforniaFri, Apr 19, 12:53 PM PDT · 19160 days ago · 7 km deep · 43 km away
30. 1.522 km NNE of Soledad, CaliforniaFri, Apr 19, 1:10 PM PDT · 19160 days ago · 3 km deep · 31 km away
31. 2.221 km NE of Soledad, CaliforniaFri, Apr 19, 2:03 PM PDT · 19160 days ago · 2 km deep · 37 km away
32. 2.04 km SSW of Gilroy, CaliforniaFri, Apr 19, 4:02 PM PDT · 19160 days ago · 7 km deep · 25 km away
33. 2.25 km SSW of Gilroy, CaliforniaSat, Apr 20, 1:30 AM PDT · 19160 days ago · 4 km deep · 23 km away
34. 2.37 km NNE of Interlaken, CaliforniaSat, Apr 20, 3:09 AM PDT · 19160 days ago · 11 km deep · 36 km away
35. 2.55 km SSW of Gilroy, CaliforniaSat, Apr 20, 8:55 AM PDT · 19159 days ago · 5 km deep · 24 km away
36. 2.35 km SSW of Gilroy, CaliforniaSat, Apr 20, 1:05 PM PDT · 19159 days ago · 4 km deep · 24 km away
37. 1.63 km WNW of Hollister, CaliforniaSat, Apr 20, 5:07 PM PDT · 19159 days ago · 0 km deep · 6 km away
38. 2.74 km ESE of Interlaken, CaliforniaSat, Apr 20, 11:22 PM PDT · 19159 days ago · 11 km deep · 29 km away
39. 1.97 km NNE of Interlaken, CaliforniaSun, Apr 21, 6:26 AM PDT · 19159 days ago · 11 km deep · 34 km away
40. 1.915 km N of Hollister, CaliforniaSun, Apr 21, 7:16 PM PDT · 19158 days ago · 3 km deep · 19 km away
41. 1.921 km NE of East Foothills, CaliforniaSun, Apr 21, 8:55 PM PDT · 19158 days ago · 6 km deep · 79 km away
42. 3.82 km W of San Juan Bautista, CaliforniaSun, Apr 21, 10:26 PM PDT · 19158 days ago · 6 km deep · 15 km away
43. 3.93 km W of San Juan Bautista, CaliforniaMon, Apr 22, 1:21 AM PDT · 19158 days ago · 7 km deep · 16 km away
44. 3.03 km W of San Juan Bautista, CaliforniaMon, Apr 22, 1:24 AM PDT · 19158 days ago · 7 km deep · 16 km away
45. 2.010 km N of Boulder Creek, CaliforniaMon, Apr 22, 2:02 AM PDT · 19158 days ago · 11 km deep · 79 km away
46. 2.714 km E of Seven Trees, CaliforniaMon, Apr 22, 7:47 AM PDT · 19158 days ago · 1 km deep · 59 km away
47. 2.726 km NE of San Lucas, CaliforniaMon, Apr 22, 8:48 AM PDT · 19157 days ago · 8 km deep · 80 km away
48. 1.68 km ENE of San Martin, CaliforniaMon, Apr 22, 1:20 PM PDT · 19157 days ago · 9 km deep · 36 km away
49. 1.514 km ENE of Gonzales, CaliforniaMon, Apr 22, 5:05 PM PDT · 19157 days ago · 14 km deep · 30 km away
50. 2.721 km NE of Soledad, CaliforniaMon, Apr 22, 9:19 PM PDT · 19157 days ago · 8 km deep · 39 km away
51. 1.821 km NE of Soledad, CaliforniaMon, Apr 22, 10:17 PM PDT · 19157 days ago · 7 km deep · 39 km away
52. 2.110 km NE of San Martin, CaliforniaTue, Apr 23, 7:57 AM PDT · 19157 days ago · 8 km deep · 41 km away
53. 3.56 km E of East Foothills, CaliforniaTue, Apr 23, 5:06 PM PDT · 19156 days ago · 6 km deep · 71 km away
54. 2.525 km ENE of Greenfield, CaliforniaTue, Apr 23, 11:00 PM PDT · 19156 days ago · 5 km deep · 56 km away
55. 2.122 km NE of East Foothills, CaliforniaWed, Apr 24, 4:32 AM PDT · 19156 days ago · 5 km deep · 79 km away
56. 2.86 km WSW of Gilroy, CaliforniaWed, Apr 24, 5:48 AM PDT · 19156 days ago · 4 km deep · 29 km away
57. 2.424 km SE of Tres Pinos, CaliforniaWed, Apr 24, 12:36 PM PDT · 19155 days ago · 17 km deep · 32 km away
58. 1.88 km ESE of East Foothills, CaliforniaWed, Apr 24, 7:01 PM PDT · 19155 days ago · 8 km deep · 67 km away
59. 1.77 km ESE of East Foothills, CaliforniaWed, Apr 24, 7:03 PM PDT · 19155 days ago · 6 km deep · 68 km away
60. 4.426 km NE of Greenfield, CaliforniaWed, Apr 24, 9:40 PM PDT · 19155 days ago · 8 km deep · 52 km away

The first 60 of 194.

Before

1. 2.63 km NNW of Hollister, CaliforniaTue, Apr 16, 8:39 PM PDT · 19163 days ago · 4 km deep · 8 km away
2. 1.621 km NE of Soledad, CaliforniaTue, Apr 16, 10:54 AM PDT · 19163 days ago · 6 km deep · 39 km away
3. 2.18 km N of San Juan Bautista, CaliforniaTue, Apr 16, 10:10 AM PDT · 19163 days ago · 3 km deep · 17 km away
4. 2.17 km N of Hollister, CaliforniaTue, Apr 16, 7:46 AM PDT · 19164 days ago · 8 km deep · 12 km away
5. 2.825 km NE of Soledad, CaliforniaTue, Apr 16, 7:17 AM PDT · 19164 days ago · 8 km deep · 34 km away
6. 3.68 km ESE of East Foothills, CaliforniaMon, Apr 15, 10:01 PM PDT · 19164 days ago · 6 km deep · 67 km away
7. 2.417 km WSW of Volta, CaliforniaMon, Apr 15, 2:38 PM PDT · 19164 days ago · 10 km deep · 36 km away
8. 1.79 km NNE of East Foothills, CaliforniaMon, Apr 15, 9:36 AM PDT · 19164 days ago · 8 km deep · 79 km away
9. 2.218 km SSE of Tres Pinos, CaliforniaMon, Apr 15, 9:01 AM PDT · 19164 days ago · 8 km deep · 25 km away
10. 2.421 km NE of Soledad, CaliforniaMon, Apr 15, 8:41 AM PDT · 19165 days ago · 2 km deep · 37 km away
11. 2.223 km ENE of King City, CaliforniaMon, Apr 15, 2:59 AM PDT · 19165 days ago · 6 km deep · 71 km away
12. 3.323 km ENE of San Lucas, CaliforniaSun, Apr 14, 5:25 PM PDT · 19165 days ago · 4 km deep · 84 km away
13. 1.623 km NE of Greenfield, CaliforniaSun, Apr 14, 2:23 PM PDT · 19165 days ago · 6 km deep · 51 km away
14. 1.76 km NE of East Foothills, CaliforniaSun, Apr 14, 1:48 PM PDT · 19165 days ago · 5 km deep · 74 km away
15. 3.824 km ENE of Soledad, CaliforniaSun, Apr 14, 1:17 PM PDT · 19165 days ago · 2 km deep · 47 km away
16. 2.28 km E of San Martin, CaliforniaSun, Apr 14, 9:55 AM PDT · 19165 days ago · 7 km deep · 31 km away
17. 3.422 km NNE of Soledad, CaliforniaSun, Apr 14, 9:07 AM PDT · 19165 days ago · 2 km deep · 31 km away
18. 2.04 km NNE of San Ardo, CaliforniaSun, Apr 14, 5:20 AM PDT · 19166 days ago · 12 km deep · 96 km away
19. 1.814 km E of Seven Trees, CaliforniaSat, Apr 13, 11:33 PM PDT · 19166 days ago · 2 km deep · 59 km away
20. 2.01 km NE of Hollister, CaliforniaSat, Apr 13, 7:39 AM PDT · 19167 days ago · 3 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1019329. Read Sun, Oct 4, 2026, 3:12 AM UTC.