M1.6 earthquake 8km NE of Ridgemark, CA

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Jul 3, 2021, 9:52 PM PDT

UTC

2021-07-04 04:52:06 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

36.866° N, 121.306° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

49°

Stations used

36

• Ridgemark, CaliforniaPopulation 3,016. Forecast8 kmNE
• Hollister, CaliforniaPopulation 37,462. Forecast9 kmE
• Salinas, CaliforniaPopulation 157,380. Forecast37 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast418 kmNW

After

1. 1.66km NNW of Pinnacles, CASun, Jul 4, 1:06 AM PDT · 1918 days ago · 7 km deep · 34 km away
2. 1.93km SSW of San Juan Bautista, CAMon, Jul 5, 1:18 AM PDT · 1917 days ago · 5 km deep · 22 km away
3. 2.510km NW of Pinnacles, CAMon, Jul 5, 7:32 AM PDT · 1917 days ago · 5 km deep · 30 km away · felt by 4
4. 1.719km SE of Livermore, CAMon, Jul 5, 10:40 PM PDT · 1916 days ago · 2 km deep · 83 km away
5. 1.610km NNW of Pinnacles, CATue, Jul 6, 4:36 AM PDT · 1916 days ago · 2 km deep · 31 km away
6. 1.812km SSW of Tres Pinos, CAWed, Jul 7, 2:32 AM PDT · 1915 days ago · 11 km deep · 20 km away
7. 2.36km NNW of Pinnacles, CAWed, Jul 7, 5:16 PM PDT · 1915 days ago · 6 km deep · 34 km away
8. 2.321km ESE of Point Sur, CASat, Jul 10, 12:35 AM PDT · 1912 days ago · 16 km deep · 81 km away
9. 1.79km NNE of Alum Rock, CASun, Jul 11, 7:08 AM PDT · 1911 days ago · 9 km deep · 75 km away
10. 1.88km SW of Loyola, CASun, Jul 11, 9:55 AM PDT · 1911 days ago · 6 km deep · 90 km away
11. 2.74km NNW of Hollister, CASun, Jul 11, 10:37 AM PDT · 1911 days ago · 9 km deep · 10 km away · felt by 20
12. 1.87km S of Tres Pinos, CASun, Jul 11, 11:10 AM PDT · 1911 days ago · 15 km deep · 15 km away
13. 2.24km NNW of Hollister, CASun, Jul 11, 11:05 PM PDT · 1910 days ago · 9 km deep · 10 km away
14. 2.124km SSW of South Dos Palos, CAMon, Jul 12, 3:43 AM PDT · 1910 days ago · 0 km deep · 54 km away
15. 1.726km SSW of South Dos Palos, CAMon, Jul 12, 7:23 AM PDT · 1910 days ago · 0 km deep · 53 km away
16. 1.616km SSE of Tres Pinos, CAMon, Jul 12, 11:44 AM PDT · 1910 days ago · 6 km deep · 24 km away
17. 2.822km ENE of San Lucas, CAMon, Jul 12, 9:44 PM PDT · 1909 days ago · 8 km deep · 84 km away · felt by 8
18. 1.69km SSW of Tres Pinos, CATue, Jul 13, 12:43 AM PDT · 1909 days ago · 2 km deep · 17 km away
19. 1.94km NNW of Pinnacles, CAThu, Jul 15, 1:31 AM PDT · 1907 days ago · 4 km deep · 36 km away · felt by 1
20. 1.912km S of Tres Pinos, CAThu, Jul 15, 3:55 AM PDT · 1907 days ago · 5 km deep · 20 km away · felt by 1
21. 1.82km NE of Pinnacles, CAThu, Jul 15, 5:01 PM PDT · 1907 days ago · 9 km deep · 39 km away
22. 1.613km N of Morgan Hill, CAThu, Jul 15, 10:00 PM PDT · 1906 days ago · 4 km deep · 51 km away
23. 1.63km E of Aromas, CAFri, Jul 16, 9:14 AM PDT · 1906 days ago · 2 km deep · 27 km away
24. 2.616km NW of Pinnacles, CASat, Jul 17, 5:08 PM PDT · 1905 days ago · 5 km deep · 25 km away · felt by 3
25. 1.79km NW of Pinnacles, CASun, Jul 18, 9:16 PM PDT · 1903 days ago · 8 km deep · 31 km away
26. 2.98km S of San Juan Bautista, CATue, Jul 20, 6:29 PM PDT · 1901 days ago · 10 km deep · 22 km away · felt by 59
27. 2.28km NW of Cantua Creek, CATue, Jul 20, 8:40 PM PDT · 1901 days ago · 6 km deep · 90 km away
28. 2.22km NNE of Carmel Valley Village, CASat, Jul 24, 4:51 AM PDT · 1898 days ago · 10 km deep · 56 km away · felt by 1
29. 1.512km S of Tres Pinos, CASun, Jul 25, 11:16 AM PDT · 1897 days ago · 4 km deep · 21 km away
30. 1.85km E of Fremont, CASun, Jul 25, 5:16 PM PDT · 1897 days ago · 9 km deep · 93 km away
31. 2.08km ENE of Interlaken, CATue, Jul 27, 3:42 PM PDT · 1895 days ago · 5 km deep · 34 km away
32. 2.315km SE of Tres Pinos, CAThu, Jul 29, 12:40 AM PDT · 1893 days ago · 9 km deep · 21 km away · felt by 2
33. 2.27km NNW of Pinnacles, CAThu, Jul 29, 8:35 AM PDT · 1893 days ago · 5 km deep · 33 km away
34. 2.39km SSW of San Lucas, CAFri, Jul 30, 4:49 AM PDT · 1892 days ago · 11 km deep · 93 km away
35. 2.515km WSW of Cantua Creek, CAFri, Jul 30, 6:35 AM PDT · 1892 days ago · 18 km deep · 86 km away
36. 1.56km SW of Gilroy, CAFri, Jul 30, 11:29 AM PDT · 1892 days ago · 1 km deep · 29 km away
37. 1.730km NE of Pinnacles, CAFri, Jul 30, 2:46 PM PDT · 1892 days ago · 5 km deep · 44 km away
38. 1.516km SSE of Livermore, CASat, Jul 31, 4:04 AM PDT · 1891 days ago · 3 km deep · 83 km away
39. 1.519km ENE of Tres Pinos, CASat, Jul 31, 1:57 PM PDT · 1891 days ago · 2 km deep · 15 km away
40. 2.320km SW of New Idria, CASat, Jul 31, 6:41 PM PDT · 1890 days ago · 10 km deep · 74 km away
41. 2.83km NW of Hollister, CASat, Jul 31, 8:52 PM PDT · 1890 days ago · 7 km deep · 10 km away · felt by 90
42. 1.52km NW of Hollister, CASun, Aug 1, 7:46 AM PDT · 1890 days ago · 7 km deep · 9 km away · felt by 1
43. 3.02km NW of Hollister, CASun, Aug 1, 7:50 AM PDT · 1890 days ago · 7 km deep · 10 km away · felt by 83
44. 2.212km NW of Pinnacles, CAMon, Aug 2, 6:52 AM PDT · 1889 days ago · 5 km deep · 28 km away
45. 1.712km NW of Pinnacles, CAMon, Aug 2, 7:52 AM PDT · 1889 days ago · 5 km deep · 28 km away
46. 2.915km E of Seven Trees, CAMon, Aug 2, 4:05 PM PDT · 1889 days ago · 6 km deep · 58 km away · felt by 50
47. 1.68km WNW of Greenfield, CAMon, Aug 2, 7:33 PM PDT · 1888 days ago · 8 km deep · 59 km away
48. 1.72km ENE of Pinnacles, CAMon, Aug 2, 10:02 PM PDT · 1888 days ago · 3 km deep · 40 km away
49. 1.517km NE of Pinnacles, CAMon, Aug 2, 10:03 PM PDT · 1888 days ago · 9 km deep · 36 km away
50. 1.72km NNE of Pinnacles, CATue, Aug 3, 5:52 PM PDT · 1888 days ago · 9 km deep · 38 km away
51. 2.29km ENE of San Martin, CATue, Aug 3, 6:57 PM PDT · 1887 days ago · 6 km deep · 35 km away · felt by 1
52. 2.13km NNW of Pinnacles, CAWed, Aug 4, 5:50 PM PDT · 1887 days ago · 4 km deep · 36 km away
53. 1.911km NE of Milpitas, CAFri, Aug 6, 1:17 AM PDT · 1885 days ago · 5 km deep · 84 km away · felt by 3
54. 2.012km NW of Pinnacles, CAFri, Aug 6, 2:59 PM PDT · 1885 days ago · 6 km deep · 29 km away
55. 2.29km NE of Gilroy, CAFri, Aug 6, 5:57 PM PDT · 1885 days ago · 3 km deep · 29 km away
56. 2.84km NNW of Hollister, CAFri, Aug 6, 7:23 PM PDT · 1884 days ago · 9 km deep · 10 km away · felt by 12
57. 1.74km NNW of Hollister, CAFri, Aug 6, 8:22 PM PDT · 1884 days ago · 9 km deep · 10 km away
58. 1.923km SE of Pinnacles, CASat, Aug 7, 3:55 AM PDT · 1884 days ago · 10 km deep · 62 km away
59. 1.73km SSW of San Juan Bautista, CASun, Aug 8, 12:18 AM PDT · 1883 days ago · 6 km deep · 23 km away
60. 2.22km E of Saratoga, CASun, Aug 8, 3:24 AM PDT · 1883 days ago · 7 km deep · 76 km away · felt by 48

The first 60 of 109.

Before

1. 3.72km WSW of Los Banos, CASat, Jul 3, 4:23 PM PDT · 1919 days ago · 6 km deep · 44 km away · felt by 143
2. 2.03km SSW of San Juan Bautista, CASat, Jul 3, 1:51 PM PDT · 1919 days ago · 6 km deep · 22 km away · felt by 1
3. 1.84km NNE of Pinnacles, CASat, Jul 3, 9:01 AM PDT · 1919 days ago · 9 km deep · 38 km away
4. 2.09km NE of Milpitas, CASat, Jul 3, 2:04 AM PDT · 1919 days ago · 8 km deep · 82 km away · felt by 3
5. 1.79km N of Boulder Creek, CAThu, Jul 1, 5:42 AM PDT · 1921 days ago · 12 km deep · 82 km away
6. 1.58km ENE of Gilroy, CAThu, Jul 1, 3:25 AM PDT · 1921 days ago · 8 km deep · 25 km away
7. 1.98km NNW of Pinnacles, CAWed, Jun 30, 9:01 PM PDT · 1921 days ago · 3 km deep · 32 km away
8. 2.87km NNW of Pinnacles, CAWed, Jun 30, 8:53 PM PDT · 1921 days ago · 3 km deep · 33 km away · felt by 7
9. 2.28km NNW of Pinnacles, CAWed, Jun 30, 8:39 PM PDT · 1921 days ago · 7 km deep · 33 km away
10. 2.67km NNW of Pinnacles, CAWed, Jun 30, 8:35 PM PDT · 1921 days ago · 3 km deep · 33 km away · felt by 1
11. 1.710km N of Pinnacles, CAWed, Jun 30, 5:49 AM PDT · 1922 days ago · 8 km deep · 31 km away
12. 1.74km NNW of Pinnacles, CATue, Jun 29, 11:25 PM PDT · 1922 days ago · 6 km deep · 35 km away
13. 2.49km NE of San Martin, CATue, Jun 29, 11:36 AM PDT · 1923 days ago · 5 km deep · 35 km away · felt by 1
14. 1.86km ESE of San Lucas, CATue, Jun 29, 11:35 AM PDT · 1923 days ago · 9 km deep · 89 km away
15. 2.22km ENE of Pinnacles, CAMon, Jun 28, 2:40 PM PDT · 1924 days ago · 4 km deep · 40 km away
16. 1.911km SE of Pinnacles, CAMon, Jun 28, 1:17 AM PDT · 1924 days ago · 8 km deep · 49 km away
17. 2.812km SE of Pinnacles, CASun, Jun 27, 4:45 PM PDT · 1925 days ago · 3 km deep · 51 km away · felt by 2
18. 1.715km E of Seven Trees, CASun, Jun 27, 3:52 AM PDT · 1925 days ago · 2 km deep · 58 km away
19. 1.816km N of Morgan Hill, CASat, Jun 26, 10:29 PM PDT · 1925 days ago · 5 km deep · 55 km away
20. 2.114km N of Morgan Hill, CASat, Jun 26, 4:18 PM PDT · 1926 days ago · 5 km deep · 53 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73582796. Read Sun, Oct 4, 2026, 12:39 PM UTC.