M1.6 earthquake 12km SE of Petrolia, CA

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Sep 14, 2021, 12:13 AM PDT

UTC

2021-09-14 07:13:18 UTC

Depth

10.7 km (6.6 mi), shallow

Epicenter

40.245° N, 124.186° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

145°

Stations used

16

• Shelter Cove, CaliforniaPopulation 693. Forecast26 kmNNW
• Fortuna, CaliforniaPopulation 12,000. Forecast39 kmS
• Chico, CaliforniaPopulation 121,345. Forecast208 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast866 kmNW

After

1. 2.68km WSW of Petrolia, CAThu, Sep 16, 1:37 AM PDT · 1844 days ago · 30 km deep · 17 km away · felt by 1
2. 3.06km SSW of Petrolia, CAFri, Sep 17, 9:39 PM PDT · 1842 days ago · 20 km deep · 12 km away · felt by 7
3. 2.558km W of Petrolia, CATue, Sep 21, 10:19 AM PDT · 1839 days ago · 6 km deep · 68 km away
4. 2.359km W of Petrolia, CATue, Sep 21, 10:20 AM PDT · 1839 days ago · 11 km deep · 68 km away
5. 2.08km WSW of Petrolia, CATue, Sep 21, 5:02 PM PDT · 1838 days ago · 29 km deep · 17 km away
6. 2.510km W of Petrolia, CATue, Sep 21, 5:08 PM PDT · 1838 days ago · 28 km deep · 19 km away
7. 2.517km WSW of Petrolia, CAThu, Sep 23, 12:46 AM PDT · 1837 days ago · 21 km deep · 25 km away
8. 2.16km SW of Laytonville, CAThu, Sep 23, 1:24 PM PDT · 1836 days ago · 3 km deep · 87 km away
9. 2.57km WSW of Petrolia, CAFri, Sep 24, 10:31 AM PDT · 1836 days ago · 21 km deep · 15 km away
10. 2.873km W of Ferndale, CASat, Sep 25, 1:18 PM PDT · 1834 days ago · 7 km deep · 91 km away · felt by 3
11. 2.021km WSW of Petrolia, CASat, Sep 25, 7:06 PM PDT · 1834 days ago · 20 km deep · 29 km away
12. 3.613km SE of Petrolia, CASun, Sep 26, 1:51 AM PDT · 1834 days ago · 12 km deep · 2 km away · felt by 12
13. 1.917km W of Humboldt Hill, CASun, Sep 26, 8:38 AM PDT · 1834 days ago · 21 km deep · 54 km away
14. 2.658km W of Petrolia, CASun, Sep 26, 12:54 PM PDT · 1833 days ago · 19 km deep · 68 km away
15. 2.713km SE of Petrolia, CAMon, Sep 27, 3:27 PM PDT · 1832 days ago · 12 km deep · 2 km away
16. 1.926km ESE of Rio Dell, CAWed, Sep 29, 8:49 AM PDT · 1831 days ago · 20 km deep · 37 km away
17. 2.87km WSW of Petrolia, CAWed, Sep 29, 11:37 PM PDT · 1830 days ago · 30 km deep · 17 km away · felt by 1
18. 2.59km SW of Petrolia, CASat, Oct 2, 1:10 AM PDT · 1828 days ago · 33 km deep · 16 km away
19. 2.314km SE of Rockport, CASat, Oct 2, 4:44 AM PDT · 1828 days ago · 0 km deep · 78 km away
20. 2.018km ESE of Willow Creek, CAMon, Oct 4, 9:05 PM PDT · 1825 days ago · 23 km deep · 95 km away
21. 3.264km WNW of Petrolia, CATue, Oct 5, 8:54 AM PDT · 1825 days ago · 11 km deep · 75 km away · felt by 1
22. 2.414km SW of Ferndale, CATue, Oct 5, 11:21 AM PDT · 1825 days ago · 23 km deep · 34 km away
23. 2.018km E of Rio Dell, CAWed, Oct 6, 7:40 PM PDT · 1823 days ago · 20 km deep · 36 km away
24. 1.818km E of Rio Dell, CAThu, Oct 7, 8:37 AM PDT · 1823 days ago · 20 km deep · 35 km away
25. 2.856km W of Ferndale, CAThu, Oct 7, 6:08 PM PDT · 1822 days ago · 24 km deep · 73 km away
26. 2.757km W of Ferndale, CAFri, Oct 8, 5:06 AM PDT · 1822 days ago · 9 km deep · 74 km away
27. 1.612km SE of Petrolia, CAFri, Oct 8, 1:05 PM PDT · 1821 days ago · 11 km deep · 0 km away
28. 2.17km SSE of Pine Hills, CAFri, Oct 8, 2:39 PM PDT · 1821 days ago · 25 km deep · 48 km away
29. 2.856km W of Ferndale, CAFri, Oct 8, 8:49 PM PDT · 1821 days ago · 20 km deep · 73 km away
30. 3.818km WSW of Petrolia, CATue, Oct 12, 4:29 AM PDT · 1818 days ago · 21 km deep · 27 km away · felt by 11
31. 1.713km E of Hydesville, CAThu, Oct 14, 5:45 AM PDT · 1816 days ago · 24 km deep · 41 km away
32. 2.08km SSE of Redway, CAFri, Oct 15, 11:18 PM PDT · 1814 days ago · 17 km deep · 40 km away
33. 1.98km SSE of Redway, CAFri, Oct 15, 11:19 PM PDT · 1814 days ago · 17 km deep · 40 km away
34. 1.65km NW of Redway, CASun, Oct 17, 4:25 AM PDT · 1813 days ago · 23 km deep · 29 km away
35. 1.74km NNW of Ferndale, CASun, Oct 17, 7:20 AM PDT · 1813 days ago · 17 km deep · 42 km away
36. 1.719km WNW of Petrolia, CAMon, Oct 18, 9:54 PM PDT · 1811 days ago · 18 km deep · 31 km away
37. 2.656km W of Ferndale, CAWed, Oct 20, 12:27 PM PDT · 1809 days ago · 25 km deep · 74 km away
38. 2.212km WSW of Petrolia, CAWed, Oct 20, 7:43 PM PDT · 1809 days ago · 9 km deep · 21 km away
39. 2.923km W of Petrolia, CAThu, Oct 21, 6:10 AM PDT · 1809 days ago · 20 km deep · 31 km away · felt by 1
40. 2.426km WNW of Petrolia, CAFri, Oct 22, 9:40 PM PDT · 1807 days ago · 29 km deep · 37 km away
41. 2.114km WSW of Laytonville, CATue, Oct 26, 7:37 AM PDT · 1804 days ago · 5 km deep · 80 km away
42. 1.913km ENE of Hydesville, CAWed, Oct 27, 8:17 PM PDT · 1802 days ago · 21 km deep · 44 km away
43. 2.013km WSW of Laytonville, CASat, Oct 30, 9:01 AM PDT · 1800 days ago · 6 km deep · 81 km away
44. 2.519km W of Petrolia, CASat, Oct 30, 4:24 PM PDT · 1799 days ago · 19 km deep · 30 km away
45. 1.813km SE of Laytonville, CAMon, Nov 1, 3:49 AM PDT · 1798 days ago · 6 km deep · 99 km away
46. 1.813km SE of Laytonville, CAMon, Nov 1, 12:33 PM PDT · 1797 days ago · 6 km deep · 99 km away
47. 2.58km E of Willow Creek, CATue, Nov 2, 8:03 AM PDT · 1797 days ago · 26 km deep · 95 km away
48. 4.45km NNE of Petrolia, CATue, Nov 2, 5:24 PM PDT · 1796 days ago · 30 km deep · 14 km away · felt by 114 · tsunami flag
49. 2.34km NNE of Petrolia, CATue, Nov 2, 5:27 PM PDT · 1796 days ago · 30 km deep · 14 km away
50. 2.66km NNE of Petrolia, CATue, Nov 2, 5:39 PM PDT · 1796 days ago · 28 km deep · 15 km away · felt by 2
51. 2.56km N of Petrolia, CATue, Nov 2, 5:41 PM PDT · 1796 days ago · 29 km deep · 17 km away
52. 3.06km NNE of Petrolia, CATue, Nov 2, 6:33 PM PDT · 1796 days ago · 30 km deep · 15 km away · felt by 10
53. 2.53km N of Petrolia, CATue, Nov 2, 9:55 PM PDT · 1796 days ago · 28 km deep · 15 km away
54. 2.028km NE of Redway, CATue, Nov 2, 9:59 PM PDT · 1796 days ago · 27 km deep · 50 km away
55. 1.75km NNE of Petrolia, CATue, Nov 2, 10:10 PM PDT · 1796 days ago · 28 km deep · 14 km away
56. 2.45km NNW of Petrolia, CATue, Nov 2, 10:58 PM PDT · 1796 days ago · 29 km deep · 17 km away
57. 4.119km NW of Covelo, CAWed, Nov 3, 5:24 PM PDT · 1795 days ago · 7 km deep · 76 km away · felt by 21
58. 2.48km SSE of Petrolia, CAFri, Nov 5, 10:52 AM PDT · 1794 days ago · 21 km deep · 7 km away
59. 1.86km NNE of Petrolia, CASat, Nov 6, 8:33 AM PDT · 1793 days ago · 28 km deep · 15 km away
60. 1.917km WNW of Cape Vizcaino, CASat, Nov 6, 5:47 PM PDT · 1792 days ago · 1 km deep · 53 km away

The first 60 of 63.

Before

1. 2.325km WSW of Petrolia, CASun, Sep 12, 7:20 PM PDT · 1847 days ago · 21 km deep · 32 km away · felt by 1
2. 2.58km SW of Petrolia, CASun, Sep 12, 6:54 AM PDT · 1848 days ago · 31 km deep · 16 km away
3. 1.58km NNW of Laytonville, CASat, Sep 11, 1:23 PM PDT · 1848 days ago · 10 km deep · 78 km away
4. 2.38km NW of Laytonville, CASat, Sep 11, 7:45 AM PDT · 1849 days ago · 8 km deep · 79 km away
5. 2.422km N of Laytonville, CASat, Sep 11, 7:25 AM PDT · 1849 days ago · 6 km deep · 69 km away · felt by 1
6. 2.433km WNW of Petrolia, CAFri, Sep 10, 8:00 PM PDT · 1849 days ago · 22 km deep · 44 km away
7. 2.48km WSW of Petrolia, CAFri, Sep 10, 10:06 AM PDT · 1850 days ago · 29 km deep · 17 km away
8. 1.612km ENE of Hydesville, CAFri, Sep 10, 4:08 AM PDT · 1850 days ago · 25 km deep · 43 km away
9. 2.28km WSW of Petrolia, CAThu, Sep 9, 5:03 PM PDT · 1850 days ago · 31 km deep · 17 km away
10. 4.510km SW of Petrolia, CAThu, Sep 9, 2:57 PM PDT · 1850 days ago · 33 km deep · 17 km away · felt by 39
11. 1.59km WSW of Petrolia, CAThu, Sep 9, 10:39 AM PDT · 1851 days ago · 21 km deep · 16 km away
12. 1.97km NW of Laytonville, CATue, Sep 7, 10:57 AM PDT · 1853 days ago · 8 km deep · 79 km away
13. 2.536km W of Petrolia, CATue, Sep 7, 7:35 AM PDT · 1853 days ago · 18 km deep · 46 km away
14. 1.80km SW of Laytonville, CAMon, Sep 6, 9:02 AM PDT · 1854 days ago · 5 km deep · 86 km away
15. 2.58km WSW of Petrolia, CASun, Sep 5, 4:22 PM PDT · 1854 days ago · 29 km deep · 16 km away
16. 1.96km WSW of Petrolia, CASat, Sep 4, 8:10 AM PDT · 1856 days ago · 28 km deep · 16 km away
17. 1.86km W of Petrolia, CASat, Sep 4, 7:15 AM PDT · 1856 days ago · 28 km deep · 17 km away
18. 2.37km W of Petrolia, CAFri, Sep 3, 3:18 PM PDT · 1856 days ago · 28 km deep · 18 km away
19. 2.650km W of Petrolia, CAFri, Sep 3, 3:25 AM PDT · 1857 days ago · 11 km deep · 60 km away
20. 2.811km NE of Covelo, CAThu, Sep 2, 5:02 PM PDT · 1857 days ago · 6 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73624656. Read Sun, Oct 4, 2026, 6:23 AM UTC.