M2.1 earthquake 2km E of Hayward, CA

Magnitude

2.1 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Sep 25, 2021, 9:39 AM PDT

UTC

2021-09-25 16:39:59 UTC

Depth

3.1 km (1.9 mi), shallow

Epicenter

37.643° N, 122.053° W

Region

California

Felt reports

22

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

63°

Stations used

69

• Hayward, CaliforniaPopulation 158,289. Forecast4 kmSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast526 kmNW

After

1. 1.514km SW of Portola Valley, CAMon, Sep 27, 6:48 PM PDT · 1833 days ago · 4 km deep · 46 km away
2. 1.612km W of Moss Landing, CATue, Sep 28, 1:44 PM PDT · 1833 days ago · 10 km deep · 95 km away
3. 2.812km W of Moss Landing, CATue, Sep 28, 11:16 PM PDT · 1832 days ago · 8 km deep · 95 km away · felt by 123
4. 1.510km E of Alum Rock, CAThu, Sep 30, 12:08 AM PDT · 1831 days ago · 8 km deep · 44 km away
5. 1.611km NE of Napa, CAFri, Oct 1, 12:27 PM PDT · 1830 days ago · 9 km deep · 81 km away
6. 3.03km N of San Leandro, CAFri, Oct 1, 7:15 PM PDT · 1829 days ago · 7 km deep · 15 km away · felt by 860
7. 1.78km NNE of Alum Rock, CASat, Oct 2, 7:53 AM PDT · 1829 days ago · 4 km deep · 33 km away · felt by 1
8. 3.43km N of San Leandro, CASat, Oct 2, 12:22 PM PDT · 1829 days ago · 6 km deep · 15 km away · felt by 1,793
9. 1.53km N of San Leandro, CASat, Oct 2, 1:34 PM PDT · 1829 days ago · 6 km deep · 15 km away · felt by 14
10. 3.312km NNE of Morgan Hill, CASun, Oct 3, 5:02 AM PDT · 1828 days ago · 4 km deep · 60 km away · felt by 103
11. 2.019km NE of Alum Rock, CASun, Oct 3, 1:27 PM PDT · 1828 days ago · 6 km deep · 36 km away
12. 1.85km SW of San Francisco Zoo, CASun, Oct 3, 1:51 PM PDT · 1828 days ago · 7 km deep · 44 km away
13. 2.70km N of Byron, CAMon, Oct 4, 9:36 AM PDT · 1827 days ago · 4 km deep · 44 km away · felt by 48
14. 1.61km S of Blackhawk, CATue, Oct 5, 9:56 AM PDT · 1826 days ago · 9 km deep · 23 km away
15. 1.82km SE of Pacheco, CATue, Oct 5, 5:53 PM PDT · 1825 days ago · 15 km deep · 36 km away
16. 1.95km SW of Pacheco, CAWed, Oct 6, 7:33 AM PDT · 1825 days ago · 10 km deep · 35 km away · felt by 1
17. 2.16km SSW of Yountville, CAWed, Oct 6, 9:44 AM PDT · 1825 days ago · 8 km deep · 84 km away · felt by 4
18. 2.16km SSW of Moraga, CAThu, Oct 7, 1:21 AM PDT · 1824 days ago · 10 km deep · 18 km away · felt by 6
19. 2.14km WSW of Alamo, CAThu, Oct 7, 5:32 PM PDT · 1824 days ago · 15 km deep · 21 km away · felt by 3
20. 1.64km SSW of San Francisco Zoo, CAThu, Oct 7, 10:36 PM PDT · 1823 days ago · 7 km deep · 42 km away · felt by 1
21. 1.612km W of Saratoga, CAFri, Oct 8, 3:58 PM PDT · 1823 days ago · 8 km deep · 45 km away
22. 2.516km SSW of Bonny Doon, CASat, Oct 9, 12:54 PM PDT · 1822 days ago · 5 km deep · 83 km away · felt by 10
23. 1.711km WSW of Saratoga, CASun, Oct 10, 12:47 AM PDT · 1821 days ago · 8 km deep · 45 km away
24. 1.611km WSW of Saratoga, CASun, Oct 10, 11:36 AM PDT · 1821 days ago · 8 km deep · 46 km away
25. 1.511km WSW of Saratoga, CASun, Oct 10, 12:35 PM PDT · 1821 days ago · 8 km deep · 46 km away
26. 1.63km W of Fruitdale, CAMon, Oct 11, 5:10 AM PDT · 1820 days ago · 5 km deep · 37 km away
27. 2.13km WNW of Crockett, CATue, Oct 12, 10:20 AM PDT · 1819 days ago · 8 km deep · 49 km away · felt by 4
28. 2.816km SSE of Livermore, CASat, Oct 16, 7:55 PM PDT · 1814 days ago · 3 km deep · 33 km away · felt by 70
29. 1.65km SW of Clayton, CAMon, Oct 18, 2:23 AM PDT · 1813 days ago · 10 km deep · 30 km away
30. 1.69km SE of Sunol, CAMon, Oct 18, 7:47 AM PDT · 1813 days ago · 9 km deep · 23 km away
31. 1.91km S of San Ramon, CATue, Oct 19, 12:00 AM PDT · 1812 days ago · 8 km deep · 15 km away · felt by 4
32. 1.610km NE of Milpitas, CATue, Oct 19, 10:35 PM PDT · 1811 days ago · 4 km deep · 26 km away
33. 2.14km ENE of El Sobrante, CAFri, Oct 22, 7:52 AM PDT · 1809 days ago · 9 km deep · 43 km away · felt by 3
34. 2.84km ENE of El Sobrante, CASat, Oct 23, 6:34 AM PDT · 1808 days ago · 10 km deep · 42 km away · felt by 328
35. 2.04km ENE of El Sobrante, CASat, Oct 23, 8:36 AM PDT · 1808 days ago · 9 km deep · 43 km away · felt by 2
36. 2.36km SSW of Gilroy, CASat, Oct 23, 9:28 AM PDT · 1808 days ago · 4 km deep · 87 km away · felt by 2
37. 1.61km SW of Alamo, CASat, Oct 23, 2:48 PM PDT · 1808 days ago · 9 km deep · 22 km away
38. 1.64km ENE of Burlingame, CASun, Oct 24, 6:26 AM PDT · 1807 days ago · 8 km deep · 25 km away · felt by 2
39. 1.922km NE of Morgan Hill, CAMon, Oct 25, 6:45 AM PDT · 1806 days ago · 9 km deep · 67 km away
40. 2.68km ENE of Alum Rock, CAMon, Oct 25, 11:55 PM PDT · 1805 days ago · 7 km deep · 40 km away · felt by 18
41. 2.09km SW of Brentwood, CASun, Oct 31, 4:08 PM PDT · 1800 days ago · 17 km deep · 34 km away
42. 1.52km SW of San Francisco Zoo, CASun, Oct 31, 7:32 PM PDT · 1799 days ago · 7 km deep · 42 km away · felt by 1
43. 1.61km SSE of San Ramon, CATue, Nov 2, 11:42 AM PDT · 1798 days ago · 8 km deep · 15 km away
44. 1.66km N of San Leandro, CATue, Nov 2, 12:44 PM PDT · 1798 days ago · 9 km deep · 18 km away
45. 1.511km SW of Mountain House, CAThu, Nov 4, 10:33 AM PDT · 1796 days ago · 17 km deep · 39 km away
46. 2.17km NE of San Martin, CAThu, Nov 4, 5:32 PM PDT · 1796 days ago · 5 km deep · 73 km away
47. 2.61km W of Kensington, CAThu, Nov 4, 9:46 PM PDT · 1795 days ago · 5 km deep · 36 km away · felt by 1,893
48. 2.31km W of Kensington, CAFri, Nov 5, 2:32 AM PDT · 1795 days ago · 5 km deep · 36 km away · felt by 162
49. 1.810km ENE of Morgan Hill, CAFri, Nov 5, 10:58 AM PDT · 1795 days ago · 3 km deep · 70 km away
50. 1.68km ENE of Gilroy, CASun, Nov 7, 3:25 AM PST · 1793 days ago · 7 km deep · 84 km away · felt by 1
51. 2.05km E of Fremont, CAThu, Nov 11, 4:28 PM PST · 1789 days ago · 9 km deep · 16 km away · felt by 3
52. 1.67km E of Penngrove, CASat, Nov 13, 11:21 PM PST · 1786 days ago · 7 km deep · 86 km away · felt by 1
53. 1.710km NE of Napa, CAMon, Nov 15, 2:44 PM PST · 1785 days ago · 7 km deep · 81 km away
54. 3.91km NE of San Ramon, CAWed, Nov 17, 11:43 AM PST · 1783 days ago · 10 km deep · 18 km away · felt by 4,732
55. 3.22km NE of San Ramon, CAWed, Nov 17, 11:44 AM PST · 1783 days ago · 10 km deep · 18 km away
56. 2.51km NE of San Ramon, CAWed, Nov 17, 11:46 AM PST · 1783 days ago · 9 km deep · 18 km away · felt by 39
57. 2.11km NNE of San Ramon, CAWed, Nov 17, 11:50 AM PST · 1783 days ago · 10 km deep · 18 km away
58. 2.31km NE of San Ramon, CAWed, Nov 17, 11:53 AM PST · 1783 days ago · 9 km deep · 18 km away · felt by 3
59. 1.71km NE of San Ramon, CAWed, Nov 17, 11:57 AM PST · 1783 days ago · 9 km deep · 18 km away
60. 3.01km NE of San Ramon, CAWed, Nov 17, 11:58 AM PST · 1783 days ago · 9 km deep · 18 km away · felt by 259

The first 60 of 80.

Before

1. 2.71km SSE of Vallejo, CAFri, Sep 24, 12:04 AM PDT · 1837 days ago · 11 km deep · 54 km away · felt by 481
2. 1.81km WNW of Walnut Creek, CAThu, Sep 23, 6:44 PM PDT · 1837 days ago · 11 km deep · 30 km away · felt by 2
3. 1.85km WNW of Dublin, CAThu, Sep 23, 5:18 PM PDT · 1838 days ago · 7 km deep · 11 km away · felt by 1
4. 1.94km SW of Newark, CAWed, Sep 22, 11:46 PM PDT · 1838 days ago · 12 km deep · 15 km away · felt by 2
5. 2.59km ENE of Milpitas, CAWed, Sep 22, 10:16 AM PDT · 1839 days ago · 7 km deep · 29 km away · felt by 23
6. 3.212km W of Moss Landing, CAWed, Sep 22, 2:57 AM PDT · 1839 days ago · 9 km deep · 96 km away · felt by 500
7. 1.75km NW of Dublin, CATue, Sep 21, 11:39 PM PDT · 1839 days ago · 5 km deep · 11 km away
8. 1.53km NNW of Union City, CATue, Sep 21, 6:01 AM PDT · 1840 days ago · 3 km deep · 3 km away
9. 1.65km NW of Dublin, CASun, Sep 19, 12:50 PM PDT · 1842 days ago · 6 km deep · 12 km away
10. 2.49km ESE of Fremont, CASun, Sep 19, 2:21 AM PDT · 1842 days ago · 7 km deep · 20 km away · felt by 8
11. 1.56km WNW of Dublin, CASat, Sep 18, 5:10 PM PDT · 1843 days ago · 6 km deep · 11 km away
12. 3.16km WNW of Dublin, CASat, Sep 18, 5:09 PM PDT · 1843 days ago · 7 km deep · 11 km away · felt by 379
13. 2.38km ESE of Fremont, CAWed, Sep 15, 7:08 PM PDT · 1845 days ago · 7 km deep · 19 km away · felt by 6
14. 1.86km W of Allendale, CATue, Sep 14, 10:42 PM PDT · 1846 days ago · 21 km deep · 90 km away
15. 2.910km NE of Milpitas, CATue, Sep 14, 11:45 AM PDT · 1847 days ago · 5 km deep · 26 km away · felt by 139
16. 1.81km NW of Diablo, CASun, Sep 12, 5:31 AM PDT · 1849 days ago · 8 km deep · 23 km away
17. 1.73km ESE of Pacheco, CAFri, Sep 10, 5:03 PM PDT · 1851 days ago · 12 km deep · 37 km away
18. 1.76km WNW of Dublin, CAThu, Sep 9, 6:56 PM PDT · 1851 days ago · 7 km deep · 11 km away · felt by 3
19. 1.611km ESE of Gilroy, CASun, Sep 5, 10:52 PM PDT · 1855 days ago · 5 km deep · 91 km away · felt by 3
20. 1.71km N of Bolinas, CASun, Sep 5, 10:04 AM PDT · 1856 days ago · 9 km deep · 64 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73629371. Read Mon, Oct 5, 2026, 12:08 PM UTC.