M1.7 earthquake 14km N of Big Bend, CA

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, Aug 15, 2021, 6:41 AM PDT

UTC

2021-08-15 13:41:16 UTC

Depth

8.6 km (5.4 mi), shallow

Epicenter

41.142° N, 121.896° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.23

Depth from

From location

Station coverage gap

108°

Stations used

26

• McCloud, CaliforniaPopulation 1,101. Forecast24 kmESE
• Shasta Lake, CaliforniaPopulation 10,159. Forecast65 kmNE
• Chico, CaliforniaPopulation 121,345. Forecast157 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast851 kmNNW

After

1. 1.911km NNE of Mineral, CAMon, Aug 16, 11:47 PM PDT · 1874 days ago · 4 km deep · 83 km away
2. 1.910km NNE of Mineral, CAMon, Aug 16, 11:47 PM PDT · 1874 days ago · 3 km deep · 83 km away
3. 1.510km NNE of Mineral, CAMon, Aug 16, 11:47 PM PDT · 1874 days ago · 2 km deep · 84 km away
4. 1.711km NNE of Mineral, CAMon, Aug 16, 11:51 PM PDT · 1874 days ago · 4 km deep · 83 km away
5. 1.611km NNE of Mineral, CAMon, Aug 16, 11:54 PM PDT · 1874 days ago · 4 km deep · 83 km away
6. 1.610km NNE of Mineral, CATue, Aug 17, 6:37 AM PDT · 1873 days ago · 3 km deep · 84 km away
7. 1.56km ESE of Bella Vista, CATue, Aug 24, 11:09 PM PDT · 1866 days ago · 14 km deep · 63 km away
8. 1.62km W of Palo Cedro, CASun, Aug 29, 10:18 PM PDT · 1861 days ago · 14 km deep · 71 km away
9. 1.72km WSW of Palo Cedro, CAFri, Sep 3, 2:51 AM PDT · 1857 days ago · 18 km deep · 72 km away
10. 1.91km WNW of Tulelake, CASun, Sep 5, 7:35 PM PDT · 1854 days ago · -2 km deep · 97 km away · felt by 1
11. 1.51km WNW of Tulelake, CASun, Sep 5, 8:38 PM PDT · 1854 days ago · -2 km deep · 97 km away · felt by 4
12. 1.61km SW of Palo Cedro, CAMon, Sep 6, 9:04 AM PDT · 1853 days ago · 13 km deep · 71 km away
13. 1.51km NW of Palo Cedro, CAMon, Sep 6, 8:45 PM PDT · 1853 days ago · 15 km deep · 70 km away
14. 1.63km WSW of Shasta Lake, CATue, Sep 7, 9:09 AM PDT · 1852 days ago · 17 km deep · 68 km away
15. 1.51km NW of Palo Cedro, CATue, Sep 7, 4:15 PM PDT · 1852 days ago · 16 km deep · 70 km away
16. 1.912km ESE of Viola, CAWed, Sep 8, 12:40 PM PDT · 1851 days ago · 5 km deep · 80 km away
17. 1.64km W of Shasta Lake, CAThu, Sep 9, 6:27 PM PDT · 1850 days ago · 19 km deep · 68 km away
18. 1.79km E of Carrick, CAFri, Sep 10, 3:01 AM PDT · 1850 days ago · 6 km deep · 45 km away
19. 1.615km NNE of Mineral, CASat, Sep 11, 2:16 AM PDT · 1849 days ago · 3 km deep · 82 km away
20. 2.10km S of Palo Cedro, CASun, Sep 12, 1:49 PM PDT · 1847 days ago · 15 km deep · 71 km away · felt by 1
21. 1.815km NE of McCloud, CAMon, Sep 13, 6:39 AM PDT · 1846 days ago · 2 km deep · 27 km away
22. 1.72km SW of Palo Cedro, CAMon, Sep 13, 9:51 AM PDT · 1846 days ago · 14 km deep · 72 km away
23. 1.66km NE of Dunsmuir, CAWed, Sep 22, 1:22 AM PDT · 1838 days ago · 12 km deep · 29 km away
24. 1.76km NE of Dunsmuir, CAWed, Sep 22, 1:41 AM PDT · 1838 days ago · 12 km deep · 31 km away
25. 1.86km NE of Dunsmuir, CAWed, Sep 22, 1:55 AM PDT · 1838 days ago · 12 km deep · 29 km away
26. 1.76km W of McCloud, CAWed, Sep 22, 1:56 AM PDT · 1838 days ago · 12 km deep · 29 km away
27. 1.56km NE of Dunsmuir, CAWed, Sep 22, 2:17 AM PDT · 1838 days ago · 11 km deep · 31 km away
28. 2.06km NE of Dunsmuir, CAWed, Sep 22, 2:24 AM PDT · 1838 days ago · 12 km deep · 30 km away
29. 1.99km SSE of McCloud, CAThu, Sep 23, 7:46 PM PDT · 1836 days ago · 4 km deep · 19 km away
30. 1.56km NNE of Millville, CAFri, Sep 24, 11:39 AM PDT · 1835 days ago · 13 km deep · 63 km away
31. 2.021km WSW of Dunsmuir, CATue, Sep 28, 5:57 AM PDT · 1831 days ago · 21 km deep · 50 km away
32. 1.512km ESE of Viola, CAWed, Sep 29, 2:22 PM PDT · 1830 days ago · 3 km deep · 80 km away
33. 1.512km ESE of Viola, CAFri, Oct 1, 7:13 AM PDT · 1828 days ago · 4 km deep · 81 km away
34. 2.12km NW of Bella Vista, CASat, Oct 2, 12:04 PM PDT · 1827 days ago · 26 km deep · 62 km away
35. 1.74km NW of Bella Vista, CASun, Oct 3, 7:46 AM PDT · 1826 days ago · 27 km deep · 61 km away
36. 1.84km E of Shasta, CATue, Oct 5, 4:00 AM PDT · 1825 days ago · 21 km deep · 75 km away
37. 2.110km NNW of Burney, CAWed, Oct 6, 12:57 AM PDT · 1824 days ago · 10 km deep · 24 km away
38. 2.54km ENE of Shasta, CAWed, Oct 6, 7:18 PM PDT · 1823 days ago · 22 km deep · 75 km away · felt by 3
39. 2.513km SE of Dunsmuir, CAThu, Oct 7, 8:58 PM PDT · 1822 days ago · 7 km deep · 21 km away · felt by 11
40. 1.612km SE of Dunsmuir, CAFri, Oct 8, 2:55 AM PDT · 1822 days ago · 4 km deep · 22 km away
41. 1.74km ENE of Shasta, CAFri, Oct 8, 1:06 PM PDT · 1821 days ago · 21 km deep · 75 km away
42. 1.616km N of Shingletown, CAWed, Oct 13, 7:24 AM PDT · 1816 days ago · 11 km deep · 57 km away · felt by 1

Before

1. 1.614km NE of Mineral, CATue, Aug 10, 3:40 AM PDT · 1881 days ago · 7 km deep · 89 km away
2. 1.916km NW of Big Bend, CASun, Aug 8, 2:32 PM PDT · 1882 days ago · 9 km deep · 14 km away
3. 1.923km ESE of McArthur, CAMon, Aug 2, 10:18 PM PDT · 1888 days ago · 19 km deep · 66 km away
4. 1.712km W of Fall River Mills, CATue, Jul 27, 4:21 AM PDT · 1895 days ago · 0 km deep · 30 km away
5. 1.98km NNE of McCloud, CAFri, Jul 23, 12:32 PM PDT · 1898 days ago · 7 km deep · 27 km away
6. 2.011km N of Tennant, CAThu, Jul 22, 12:53 PM PDT · 1899 days ago · -1 km deep · 60 km away
7. 1.821km ENE of McCloud, CAThu, Jul 22, 9:23 AM PDT · 1899 days ago · 2 km deep · 20 km away
8. 1.615km SSE of McCloud, CAMon, Jul 19, 9:33 AM PDT · 1902 days ago · 7 km deep · 12 km away
9. 1.85km SSE of Mineral, CASat, Jul 17, 5:44 AM PDT · 1904 days ago · 11 km deep · 96 km away
10. 2.018km ESE of Anderson, CASat, Jul 17, 12:15 AM PDT · 1905 days ago · 13 km deep · 84 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73610346. Read Sat, Oct 3, 2026, 11:24 PM UTC.