M1.9 earthquake 10km NE of Milpitas, CA

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Sep 4, 2021, 12:25 PM PDT

UTC

2021-09-04 19:25:13 UTC

Depth

4.4 km (2.8 mi), shallow

Epicenter

37.498° N, 121.829° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

30°

Stations used

53

• Milpitas, CaliforniaPopulation 77,604. Forecast10 kmNE
• Fremont, CaliforniaPopulation 232,206. Forecast15 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast501 kmNW

After

1. 1.71km N of Bolinas, CASun, Sep 5, 10:04 AM PDT · 1855 days ago · 9 km deep · 89 km away
2. 1.611km ESE of Gilroy, CASun, Sep 5, 10:52 PM PDT · 1855 days ago · 5 km deep · 67 km away · felt by 3
3. 1.76km WNW of Dublin, CAThu, Sep 9, 6:56 PM PDT · 1851 days ago · 7 km deep · 29 km away · felt by 3
4. 1.78km S of Gustine, CAFri, Sep 10, 12:41 AM PDT · 1851 days ago · 9 km deep · 81 km away
5. 1.73km ESE of Pacheco, CAFri, Sep 10, 5:03 PM PDT · 1850 days ago · 12 km deep · 56 km away
6. 1.81km NW of Diablo, CASun, Sep 12, 5:31 AM PDT · 1849 days ago · 8 km deep · 40 km away
7. 2.910km NE of Milpitas, CATue, Sep 14, 11:45 AM PDT · 1846 days ago · 5 km deep · 0 km away · felt by 139
8. 2.38km ESE of Fremont, CAWed, Sep 15, 7:08 PM PDT · 1845 days ago · 7 km deep · 7 km away · felt by 6
9. 1.59km SSW of Tres Pinos, CAThu, Sep 16, 8:48 PM PDT · 1844 days ago · 1 km deep · 95 km away
10. 2.012km NNE of Hollister, CASat, Sep 18, 4:31 AM PDT · 1843 days ago · 8 km deep · 77 km away · felt by 1
11. 1.96km NNE of Los Banos, CASat, Sep 18, 5:20 AM PDT · 1843 days ago · 5 km deep · 99 km away
12. 2.05km NNE of Los Banos, CASat, Sep 18, 5:23 AM PDT · 1843 days ago · 5 km deep · 100 km away
13. 2.15km NNE of Los Banos, CASat, Sep 18, 5:54 AM PDT · 1843 days ago · 6 km deep · 100 km away
14. 2.46km NNE of Los Banos, CASat, Sep 18, 8:44 AM PDT · 1842 days ago · 6 km deep · 100 km away · felt by 4
15. 3.16km WNW of Dublin, CASat, Sep 18, 5:09 PM PDT · 1842 days ago · 7 km deep · 29 km away · felt by 379
16. 1.56km WNW of Dublin, CASat, Sep 18, 5:10 PM PDT · 1842 days ago · 6 km deep · 29 km away
17. 2.112km NNE of Hollister, CASat, Sep 18, 10:56 PM PDT · 1842 days ago · 7 km deep · 77 km away · felt by 2
18. 2.49km ESE of Fremont, CASun, Sep 19, 2:21 AM PDT · 1842 days ago · 7 km deep · 6 km away · felt by 8
19. 1.65km NW of Dublin, CASun, Sep 19, 12:50 PM PDT · 1841 days ago · 6 km deep · 29 km away
20. 1.913km SSW of Tres Pinos, CATue, Sep 21, 4:45 AM PDT · 1840 days ago · 10 km deep · 99 km away
21. 1.53km NNW of Union City, CATue, Sep 21, 6:01 AM PDT · 1840 days ago · 3 km deep · 23 km away
22. 1.75km NW of Dublin, CATue, Sep 21, 11:39 PM PDT · 1839 days ago · 5 km deep · 29 km away
23. 3.212km W of Moss Landing, CAWed, Sep 22, 2:57 AM PDT · 1839 days ago · 9 km deep · 79 km away · felt by 500
24. 2.59km ENE of Milpitas, CAWed, Sep 22, 10:16 AM PDT · 1838 days ago · 7 km deep · 4 km away · felt by 23
25. 1.94km SW of Newark, CAWed, Sep 22, 11:46 PM PDT · 1838 days ago · 12 km deep · 22 km away · felt by 2
26. 1.85km WNW of Dublin, CAThu, Sep 23, 5:18 PM PDT · 1837 days ago · 7 km deep · 29 km away · felt by 1
27. 1.81km WNW of Walnut Creek, CAThu, Sep 23, 6:44 PM PDT · 1837 days ago · 11 km deep · 51 km away · felt by 2
28. 2.71km SSE of Vallejo, CAFri, Sep 24, 12:04 AM PDT · 1837 days ago · 11 km deep · 76 km away · felt by 481
29. 2.12km E of Hayward, CASat, Sep 25, 9:39 AM PDT · 1835 days ago · 3 km deep · 25 km away · felt by 22
30. 1.96km S of Tres Pinos, CASat, Sep 25, 9:03 PM PDT · 1835 days ago · 10 km deep · 95 km away
31. 2.18km SSW of Tres Pinos, CASun, Sep 26, 12:35 PM PDT · 1834 days ago · 3 km deep · 95 km away · felt by 1
32. 1.514km SW of Portola Valley, CAMon, Sep 27, 6:48 PM PDT · 1833 days ago · 4 km deep · 51 km away
33. 1.612km W of Moss Landing, CATue, Sep 28, 1:44 PM PDT · 1832 days ago · 10 km deep · 79 km away
34. 2.812km W of Moss Landing, CATue, Sep 28, 11:16 PM PDT · 1832 days ago · 8 km deep · 79 km away · felt by 123
35. 1.75km S of San Juan Bautista, CAWed, Sep 29, 10:10 AM PDT · 1831 days ago · 7 km deep · 82 km away
36. 1.510km E of Alum Rock, CAThu, Sep 30, 12:08 AM PDT · 1831 days ago · 8 km deep · 19 km away
37. 3.03km N of San Leandro, CAFri, Oct 1, 7:15 PM PDT · 1829 days ago · 7 km deep · 40 km away · felt by 860
38. 1.78km NNE of Alum Rock, CASat, Oct 2, 7:53 AM PDT · 1829 days ago · 4 km deep · 8 km away · felt by 1
39. 3.43km N of San Leandro, CASat, Oct 2, 12:22 PM PDT · 1828 days ago · 6 km deep · 40 km away · felt by 1,793
40. 1.53km N of San Leandro, CASat, Oct 2, 1:34 PM PDT · 1828 days ago · 6 km deep · 40 km away · felt by 14
41. 3.312km NNE of Morgan Hill, CASun, Oct 3, 5:02 AM PDT · 1828 days ago · 4 km deep · 35 km away · felt by 103
42. 2.019km NE of Alum Rock, CASun, Oct 3, 1:27 PM PDT · 1827 days ago · 6 km deep · 12 km away
43. 1.85km SW of San Francisco Zoo, CASun, Oct 3, 1:51 PM PDT · 1827 days ago · 7 km deep · 67 km away
44. 2.70km N of Byron, CAMon, Oct 4, 9:36 AM PDT · 1826 days ago · 4 km deep · 45 km away · felt by 48
45. 1.61km S of Blackhawk, CATue, Oct 5, 9:56 AM PDT · 1825 days ago · 9 km deep · 35 km away
46. 1.82km SE of Pacheco, CATue, Oct 5, 5:53 PM PDT · 1825 days ago · 15 km deep · 56 km away
47. 1.95km SW of Pacheco, CAWed, Oct 6, 7:33 AM PDT · 1825 days ago · 10 km deep · 57 km away · felt by 1
48. 2.16km SSW of Moraga, CAThu, Oct 7, 1:21 AM PDT · 1824 days ago · 10 km deep · 43 km away · felt by 6
49. 2.14km WSW of Alamo, CAThu, Oct 7, 5:32 PM PDT · 1823 days ago · 15 km deep · 43 km away · felt by 3
50. 1.64km SSW of San Francisco Zoo, CAThu, Oct 7, 10:36 PM PDT · 1823 days ago · 7 km deep · 65 km away · felt by 1
51. 1.612km W of Saratoga, CAFri, Oct 8, 3:58 PM PDT · 1822 days ago · 8 km deep · 40 km away
52. 2.516km SSW of Bonny Doon, CASat, Oct 9, 12:54 PM PDT · 1821 days ago · 5 km deep · 74 km away · felt by 10
53. 2.16km S of San Juan Bautista, CASat, Oct 9, 3:40 PM PDT · 1821 days ago · 8 km deep · 83 km away
54. 1.711km WSW of Saratoga, CASun, Oct 10, 12:47 AM PDT · 1821 days ago · 8 km deep · 40 km away
55. 1.611km WSW of Saratoga, CASun, Oct 10, 11:36 AM PDT · 1820 days ago · 8 km deep · 40 km away
56. 1.511km WSW of Saratoga, CASun, Oct 10, 12:35 PM PDT · 1820 days ago · 8 km deep · 40 km away
57. 1.63km W of Fruitdale, CAMon, Oct 11, 5:10 AM PDT · 1820 days ago · 5 km deep · 24 km away
58. 2.13km WNW of Crockett, CATue, Oct 12, 10:20 AM PDT · 1818 days ago · 8 km deep · 72 km away · felt by 4
59. 2.011km SSW of Ridgemark, CASat, Oct 16, 12:53 AM PDT · 1815 days ago · 7 km deep · 93 km away
60. 2.816km SSE of Livermore, CASat, Oct 16, 7:55 PM PDT · 1814 days ago · 3 km deep · 13 km away · felt by 70

The first 60 of 80.

Before

1. 1.56km SW of Gilroy, CASat, Sep 4, 11:01 AM PDT · 1856 days ago · 3 km deep · 62 km away
2. 2.26km SW of Gilroy, CASat, Sep 4, 9:15 AM PDT · 1856 days ago · 3 km deep · 62 km away · felt by 1
3. 2.014km N of Morgan Hill, CAFri, Sep 3, 1:09 PM PDT · 1857 days ago · 4 km deep · 32 km away · felt by 2
4. 1.75km NW of Dublin, CAThu, Sep 2, 6:20 AM PDT · 1859 days ago · 7 km deep · 29 km away
5. 2.66km S of Livermore, CAWed, Sep 1, 4:13 PM PDT · 1859 days ago · 4 km deep · 15 km away · felt by 81
6. 1.88km NNE of Black Point-Green Point, CATue, Aug 31, 2:32 PM PDT · 1860 days ago · 8 km deep · 94 km away
7. 2.411km NE of Milpitas, CATue, Aug 31, 11:27 AM PDT · 1860 days ago · 4 km deep · 0 km away
8. 1.915km E of Seven Trees, CATue, Aug 31, 1:15 AM PDT · 1861 days ago · 4 km deep · 27 km away
9. 1.73km ESE of Aromas, CAMon, Aug 30, 4:41 PM PDT · 1861 days ago · 7 km deep · 72 km away · felt by 2
10. 1.718km SSW of Gustine, CAMon, Aug 30, 6:22 AM PDT · 1862 days ago · 7 km deep · 80 km away
11. 1.815km E of Seven Trees, CAMon, Aug 30, 5:14 AM PDT · 1862 days ago · 3 km deep · 27 km away
12. 1.78km SSW of Livermore, CASat, Aug 28, 9:50 PM PDT · 1863 days ago · 10 km deep · 13 km away
13. 1.83km SW of Alamo, CAThu, Aug 26, 9:13 PM PDT · 1865 days ago · 12 km deep · 43 km away
14. 1.815km E of Seven Trees, CAMon, Aug 23, 6:46 PM PDT · 1868 days ago · 3 km deep · 27 km away
15. 2.115km E of Seven Trees, CAMon, Aug 23, 6:37 PM PDT · 1868 days ago · 4 km deep · 26 km away · felt by 1
16. 1.82km NW of Pacifica, CAMon, Aug 23, 6:18 PM PDT · 1868 days ago · 8 km deep · 62 km away · felt by 2
17. 1.64km SW of Colma, CAMon, Aug 23, 5:34 AM PDT · 1869 days ago · 7 km deep · 61 km away
18. 3.15km S of Ridgemark, CASat, Aug 21, 12:54 PM PDT · 1870 days ago · 9 km deep · 90 km away · felt by 17
19. 2.99km SW of Tres Pinos, CATue, Aug 17, 2:14 PM PDT · 1874 days ago · 3 km deep · 94 km away · felt by 8
20. 1.81km ENE of Alamo, CAMon, Aug 16, 9:27 AM PDT · 1875 days ago · 13 km deep · 43 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73620141. Read Mon, Oct 5, 2026, 3:01 AM UTC.