M2.3 earthquake 8km ESE of Fremont, CA

Magnitude

2.3 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Sep 15, 2021, 7:08 PM PDT

UTC

2021-09-16 02:08:47 UTC

Depth

6.5 km (4.1 mi), shallow

Epicenter

37.528° N, 121.899° W

Region

California

Felt reports

6

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.16

Depth from

From location

Station coverage gap

21°

Stations used

103

• Sunol, CaliforniaPopulation 913. Forecast7 kmS
• Fremont, CaliforniaPopulation 232,206. Forecast8 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast508 kmNW

After

1. 2.012km NNE of Hollister, CASat, Sep 18, 4:31 AM PDT · 1842 days ago · 8 km deep · 83 km away · felt by 1
2. 3.16km WNW of Dublin, CASat, Sep 18, 5:09 PM PDT · 1841 days ago · 7 km deep · 24 km away · felt by 379
3. 1.56km WNW of Dublin, CASat, Sep 18, 5:10 PM PDT · 1841 days ago · 6 km deep · 24 km away
4. 2.112km NNE of Hollister, CASat, Sep 18, 10:56 PM PDT · 1841 days ago · 7 km deep · 83 km away · felt by 2
5. 2.49km ESE of Fremont, CASun, Sep 19, 2:21 AM PDT · 1841 days ago · 7 km deep · 1 km away · felt by 8
6. 1.65km NW of Dublin, CASun, Sep 19, 12:50 PM PDT · 1840 days ago · 6 km deep · 23 km away
7. 1.53km NNW of Union City, CATue, Sep 21, 6:01 AM PDT · 1839 days ago · 3 km deep · 16 km away
8. 1.75km NW of Dublin, CATue, Sep 21, 11:39 PM PDT · 1838 days ago · 5 km deep · 23 km away
9. 3.212km W of Moss Landing, CAWed, Sep 22, 2:57 AM PDT · 1838 days ago · 9 km deep · 82 km away · felt by 500
10. 2.59km ENE of Milpitas, CAWed, Sep 22, 10:16 AM PDT · 1838 days ago · 7 km deep · 10 km away · felt by 23
11. 1.94km SW of Newark, CAWed, Sep 22, 11:46 PM PDT · 1837 days ago · 12 km deep · 16 km away · felt by 2
12. 1.85km WNW of Dublin, CAThu, Sep 23, 5:18 PM PDT · 1836 days ago · 7 km deep · 23 km away · felt by 1
13. 1.81km WNW of Walnut Creek, CAThu, Sep 23, 6:44 PM PDT · 1836 days ago · 11 km deep · 45 km away · felt by 2
14. 2.71km SSE of Vallejo, CAFri, Sep 24, 12:04 AM PDT · 1836 days ago · 11 km deep · 70 km away · felt by 481
15. 2.12km E of Hayward, CASat, Sep 25, 9:39 AM PDT · 1835 days ago · 3 km deep · 19 km away · felt by 22
16. 1.514km SW of Portola Valley, CAMon, Sep 27, 6:48 PM PDT · 1832 days ago · 4 km deep · 47 km away
17. 1.612km W of Moss Landing, CATue, Sep 28, 1:44 PM PDT · 1831 days ago · 10 km deep · 82 km away
18. 2.812km W of Moss Landing, CATue, Sep 28, 11:16 PM PDT · 1831 days ago · 8 km deep · 82 km away · felt by 123
19. 1.75km S of San Juan Bautista, CAWed, Sep 29, 10:10 AM PDT · 1831 days ago · 7 km deep · 87 km away
20. 1.510km E of Alum Rock, CAThu, Sep 30, 12:08 AM PDT · 1830 days ago · 8 km deep · 25 km away
21. 1.611km NE of Napa, CAFri, Oct 1, 12:27 PM PDT · 1828 days ago · 9 km deep · 97 km away
22. 3.03km N of San Leandro, CAFri, Oct 1, 7:15 PM PDT · 1828 days ago · 7 km deep · 34 km away · felt by 860
23. 1.78km NNE of Alum Rock, CASat, Oct 2, 7:53 AM PDT · 1828 days ago · 4 km deep · 14 km away · felt by 1
24. 3.43km N of San Leandro, CASat, Oct 2, 12:22 PM PDT · 1827 days ago · 6 km deep · 34 km away · felt by 1,793
25. 1.53km N of San Leandro, CASat, Oct 2, 1:34 PM PDT · 1827 days ago · 6 km deep · 33 km away · felt by 14
26. 3.312km NNE of Morgan Hill, CASun, Oct 3, 5:02 AM PDT · 1827 days ago · 4 km deep · 41 km away · felt by 103
27. 2.019km NE of Alum Rock, CASun, Oct 3, 1:27 PM PDT · 1826 days ago · 6 km deep · 19 km away
28. 1.85km SW of San Francisco Zoo, CASun, Oct 3, 1:51 PM PDT · 1826 days ago · 7 km deep · 61 km away
29. 2.70km N of Byron, CAMon, Oct 4, 9:36 AM PDT · 1826 days ago · 4 km deep · 45 km away · felt by 48
30. 1.61km S of Blackhawk, CATue, Oct 5, 9:56 AM PDT · 1825 days ago · 9 km deep · 31 km away
31. 1.82km SE of Pacheco, CATue, Oct 5, 5:53 PM PDT · 1824 days ago · 15 km deep · 51 km away
32. 1.95km SW of Pacheco, CAWed, Oct 6, 7:33 AM PDT · 1824 days ago · 10 km deep · 52 km away · felt by 1
33. 2.16km SSW of Moraga, CAThu, Oct 7, 1:21 AM PDT · 1823 days ago · 10 km deep · 36 km away · felt by 6
34. 2.14km WSW of Alamo, CAThu, Oct 7, 5:32 PM PDT · 1822 days ago · 15 km deep · 37 km away · felt by 3
35. 1.64km SSW of San Francisco Zoo, CAThu, Oct 7, 10:36 PM PDT · 1822 days ago · 7 km deep · 58 km away · felt by 1
36. 1.612km W of Saratoga, CAFri, Oct 8, 3:58 PM PDT · 1821 days ago · 8 km deep · 39 km away
37. 2.516km SSW of Bonny Doon, CASat, Oct 9, 12:54 PM PDT · 1820 days ago · 5 km deep · 74 km away · felt by 10
38. 2.16km S of San Juan Bautista, CASat, Oct 9, 3:40 PM PDT · 1820 days ago · 8 km deep · 89 km away
39. 1.711km WSW of Saratoga, CASun, Oct 10, 12:47 AM PDT · 1820 days ago · 8 km deep · 39 km away
40. 1.611km WSW of Saratoga, CASun, Oct 10, 11:36 AM PDT · 1819 days ago · 8 km deep · 39 km away
41. 1.511km WSW of Saratoga, CASun, Oct 10, 12:35 PM PDT · 1819 days ago · 8 km deep · 39 km away
42. 1.63km W of Fruitdale, CAMon, Oct 11, 5:10 AM PDT · 1819 days ago · 5 km deep · 25 km away
43. 2.13km WNW of Crockett, CATue, Oct 12, 10:20 AM PDT · 1818 days ago · 8 km deep · 67 km away · felt by 4
44. 2.011km SSW of Ridgemark, CASat, Oct 16, 12:53 AM PDT · 1814 days ago · 7 km deep · 99 km away
45. 2.816km SSE of Livermore, CASat, Oct 16, 7:55 PM PDT · 1813 days ago · 3 km deep · 18 km away · felt by 70
46. 1.65km SW of Clayton, CAMon, Oct 18, 2:23 AM PDT · 1812 days ago · 10 km deep · 42 km away
47. 2.94km SSW of San Juan Bautista, CAMon, Oct 18, 3:14 AM PDT · 1812 days ago · 7 km deep · 85 km away · felt by 20
48. 1.69km SE of Sunol, CAMon, Oct 18, 7:47 AM PDT · 1812 days ago · 9 km deep · 6 km away
49. 1.91km S of San Ramon, CATue, Oct 19, 12:00 AM PDT · 1811 days ago · 8 km deep · 28 km away · felt by 4
50. 1.610km NE of Milpitas, CATue, Oct 19, 10:35 PM PDT · 1810 days ago · 4 km deep · 7 km away
51. 2.14km ENE of El Sobrante, CAFri, Oct 22, 7:52 AM PDT · 1808 days ago · 9 km deep · 60 km away · felt by 3
52. 2.84km ENE of El Sobrante, CASat, Oct 23, 6:34 AM PDT · 1807 days ago · 10 km deep · 60 km away · felt by 328
53. 2.04km ENE of El Sobrante, CASat, Oct 23, 8:36 AM PDT · 1807 days ago · 9 km deep · 60 km away · felt by 2
54. 2.36km SSW of Gilroy, CASat, Oct 23, 9:28 AM PDT · 1807 days ago · 4 km deep · 69 km away · felt by 2
55. 1.61km SW of Alamo, CASat, Oct 23, 2:48 PM PDT · 1806 days ago · 9 km deep · 37 km away
56. 1.96km ENE of Hollister, CASat, Oct 23, 11:17 PM PDT · 1806 days ago · 8 km deep · 88 km away
57. 1.53km SW of Hollister, CASun, Oct 24, 12:15 AM PDT · 1806 days ago · 8 km deep · 89 km away · felt by 1
58. 1.64km ENE of Burlingame, CASun, Oct 24, 6:26 AM PDT · 1806 days ago · 8 km deep · 39 km away · felt by 2
59. 1.922km NE of Morgan Hill, CAMon, Oct 25, 6:45 AM PDT · 1805 days ago · 9 km deep · 48 km away
60. 2.68km ENE of Alum Rock, CAMon, Oct 25, 11:55 PM PDT · 1804 days ago · 7 km deep · 21 km away · felt by 18

The first 60 of 75.

Before

1. 2.910km NE of Milpitas, CATue, Sep 14, 11:45 AM PDT · 1845 days ago · 5 km deep · 7 km away · felt by 139
2. 1.81km NW of Diablo, CASun, Sep 12, 5:31 AM PDT · 1848 days ago · 8 km deep · 36 km away
3. 1.73km ESE of Pacheco, CAFri, Sep 10, 5:03 PM PDT · 1849 days ago · 12 km deep · 51 km away
4. 1.78km S of Gustine, CAFri, Sep 10, 12:41 AM PDT · 1850 days ago · 9 km deep · 87 km away
5. 1.76km WNW of Dublin, CAThu, Sep 9, 6:56 PM PDT · 1850 days ago · 7 km deep · 24 km away · felt by 3
6. 1.611km ESE of Gilroy, CASun, Sep 5, 10:52 PM PDT · 1854 days ago · 5 km deep · 73 km away · felt by 3
7. 1.71km N of Bolinas, CASun, Sep 5, 10:04 AM PDT · 1855 days ago · 9 km deep · 82 km away
8. 1.910km NE of Milpitas, CASat, Sep 4, 12:25 PM PDT · 1855 days ago · 4 km deep · 7 km away
9. 1.56km SW of Gilroy, CASat, Sep 4, 11:01 AM PDT · 1855 days ago · 3 km deep · 67 km away
10. 2.26km SW of Gilroy, CASat, Sep 4, 9:15 AM PDT · 1856 days ago · 3 km deep · 67 km away · felt by 1
11. 2.014km N of Morgan Hill, CAFri, Sep 3, 1:09 PM PDT · 1856 days ago · 4 km deep · 38 km away · felt by 2
12. 1.75km NW of Dublin, CAThu, Sep 2, 6:20 AM PDT · 1858 days ago · 7 km deep · 24 km away
13. 2.66km S of Livermore, CAWed, Sep 1, 4:13 PM PDT · 1858 days ago · 4 km deep · 15 km away · felt by 81
14. 1.88km NNE of Black Point-Green Point, CATue, Aug 31, 2:32 PM PDT · 1859 days ago · 8 km deep · 88 km away
15. 2.411km NE of Milpitas, CATue, Aug 31, 11:27 AM PDT · 1859 days ago · 4 km deep · 7 km away
16. 1.915km E of Seven Trees, CATue, Aug 31, 1:15 AM PDT · 1860 days ago · 4 km deep · 34 km away
17. 1.73km ESE of Aromas, CAMon, Aug 30, 4:41 PM PDT · 1860 days ago · 7 km deep · 77 km away · felt by 2
18. 1.718km SSW of Gustine, CAMon, Aug 30, 6:22 AM PDT · 1861 days ago · 7 km deep · 87 km away
19. 1.815km E of Seven Trees, CAMon, Aug 30, 5:14 AM PDT · 1861 days ago · 3 km deep · 33 km away
20. 1.78km SSW of Livermore, CASat, Aug 28, 9:50 PM PDT · 1862 days ago · 10 km deep · 13 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73625356. Read Sun, Oct 4, 2026, 4:51 AM UTC.