M2.1 earthquake 16km ESE of Willow Creek, CA

Magnitude

2.1 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Jun 16, 2021, 8:03 PM PDT

UTC

2021-06-17 03:03:27 UTC

Depth

21.4 km (13.3 mi), shallow

Epicenter

40.891° N, 123.457° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.16

Depth from

From location

Station coverage gap

66°

Stations used

21

• Willow Creek, CaliforniaPopulation 1,710. Forecast16 kmESE
• Bayside, CaliforniaPopulation 17,132. Forecast51 kmE
• Chico, CaliforniaPopulation 121,345. Forecast189 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast888 kmNNW

After

1. 2.417km NW of Petrolia, CAWed, Jun 16, 11:18 PM PDT · 1935 days ago · 23 km deep · 98 km away
2. 2.228km NW of Weaverville, CAFri, Jun 25, 3:17 PM PDT · 1926 days ago · 32 km deep · 21 km away
3. 2.220km SE of Willow Creek, CASat, Jun 26, 9:15 AM PDT · 1925 days ago · 23 km deep · 9 km away
4. 1.88km ESE of Redway, CASat, Jun 26, 11:13 PM PDT · 1925 days ago · 22 km deep · 92 km away
5. 2.436km NNE of Redway, CASun, Jun 27, 1:34 AM PDT · 1925 days ago · 29 km deep · 55 km away
6. 1.89km W of Willow Creek, CAMon, Jun 28, 7:30 PM PDT · 1923 days ago · 12 km deep · 24 km away
7. 2.311km SSW of Ferndale, CAWed, Jun 30, 12:26 PM PDT · 1921 days ago · 19 km deep · 85 km away
8. 2.124km WNW of Weaverville, CASun, Jul 4, 8:36 AM PDT · 1917 days ago · 32 km deep · 24 km away · felt by 1
9. 2.011km SSW of Ferndale, CATue, Jul 6, 5:19 PM PDT · 1915 days ago · 19 km deep · 85 km away
10. 1.79km SSW of Ferndale, CASun, Jul 11, 11:51 PM PDT · 1910 days ago · 18 km deep · 83 km away
11. 1.69km SSW of Ferndale, CASun, Jul 11, 11:58 PM PDT · 1910 days ago · 19 km deep · 83 km away
12. 1.89km SSW of Ferndale, CAMon, Jul 12, 12:38 AM PDT · 1910 days ago · 18 km deep · 83 km away
13. 2.14km SW of Petrolia, CASun, Jul 18, 12:38 AM PDT · 1904 days ago · 31 km deep · 99 km away
14. 1.69km SSE of Redway, CATue, Jul 20, 2:28 AM PDT · 1902 days ago · 19 km deep · 98 km away
15. 2.519km SE of Bayside, CATue, Jul 20, 6:57 PM PDT · 1901 days ago · 25 km deep · 42 km away
16. 1.716km SW of Ferndale, CAWed, Jul 21, 3:45 AM PDT · 1901 days ago · 25 km deep · 92 km away
17. 1.733km ENE of Hydesville, CAWed, Jul 21, 6:25 AM PDT · 1901 days ago · 26 km deep · 36 km away
18. 2.77km W of Petrolia, CAFri, Jul 23, 1:09 PM PDT · 1898 days ago · 29 km deep · 100 km away · felt by 2
19. 2.18km W of Petrolia, CASun, Jul 25, 1:05 PM PDT · 1896 days ago · 29 km deep · 100 km away
20. 1.75km W of Petrolia, CAMon, Jul 26, 12:27 PM PDT · 1895 days ago · 29 km deep · 98 km away
21. 1.94km ESE of Redway, CAMon, Jul 26, 5:35 PM PDT · 1895 days ago · 21 km deep · 91 km away
22. 2.38km E of Willow Creek, CAMon, Jul 26, 9:07 PM PDT · 1895 days ago · 27 km deep · 9 km away
23. 2.56km N of Petrolia, CATue, Jul 27, 11:52 PM PDT · 1894 days ago · 27 km deep · 90 km away
24. 1.86km W of Petrolia, CAThu, Jul 29, 8:30 PM PDT · 1892 days ago · 28 km deep · 99 km away
25. 1.910km SSE of Redway, CAFri, Jul 30, 3:36 PM PDT · 1891 days ago · 17 km deep · 99 km away
26. 2.66km ENE of Petrolia, CAFri, Aug 6, 2:56 AM PDT · 1885 days ago · 29 km deep · 88 km away
27. 2.35km W of Petrolia, CASat, Aug 7, 7:06 AM PDT · 1884 days ago · 27 km deep · 98 km away
28. 2.06km WSW of Petrolia, CASat, Aug 7, 4:43 PM PDT · 1883 days ago · 31 km deep · 100 km away
29. 1.714km SE of Petrolia, CASun, Aug 8, 1:57 AM PDT · 1883 days ago · 12 km deep · 94 km away
30. 3.16km W of Petrolia, CASun, Aug 8, 3:40 AM PDT · 1883 days ago · 28 km deep · 99 km away · felt by 5
31. 2.08km W of Petrolia, CAMon, Aug 9, 5:31 AM PDT · 1882 days ago · 28 km deep · 99 km away
32. 2.98km W of Petrolia, CAMon, Aug 9, 7:03 PM PDT · 1881 days ago · 30 km deep · 99 km away
33. 2.66km WSW of Petrolia, CAThu, Aug 12, 9:11 PM PDT · 1878 days ago · 30 km deep · 99 km away · felt by 1
34. 1.910km NW of Petrolia, CAFri, Aug 13, 12:40 PM PDT · 1877 days ago · 23 km deep · 94 km away

Before

1. 1.614km E of Rio Dell, CAMon, Jun 14, 11:49 PM PDT · 1937 days ago · 21 km deep · 62 km away
2. 1.714km E of Rio Dell, CAMon, Jun 14, 1:49 PM PDT · 1937 days ago · 20 km deep · 62 km away
3. 2.527km SSE of Somes Bar, CASun, Jun 13, 7:08 PM PDT · 1938 days ago · 39 km deep · 30 km away · felt by 1
4. 2.112km NNE of Shasta Lake, CASun, Jun 13, 4:11 AM PDT · 1939 days ago · 21 km deep · 97 km away
5. 1.84km NW of Petrolia, CASat, Jun 12, 6:17 PM PDT · 1939 days ago · 29 km deep · 94 km away
6. 2.513km N of Petrolia, CAWed, Jun 9, 6:49 AM PDT · 1943 days ago · 28 km deep · 85 km away
7. 2.132km W of Hayfork, CAMon, Jun 7, 6:49 AM PDT · 1945 days ago · 6 km deep · 38 km away
8. 2.112km WNW of Petrolia, CASun, Jun 6, 3:33 AM PDT · 1946 days ago · 17 km deep · 99 km away
9. 2.815km WNW of Willow Creek, CAThu, Jun 3, 12:34 PM PDT · 1948 days ago · 23 km deep · 30 km away
10. 2.130km NE of Redway, CAWed, Jun 2, 4:00 AM PDT · 1950 days ago · 23 km deep · 65 km away
11. 1.717km E of Petrolia, CAThu, May 27, 2:53 AM PDT · 1956 days ago · 27 km deep · 84 km away
12. 1.635km E of Hydesville, CAWed, May 26, 11:18 PM PDT · 1956 days ago · 24 km deep · 46 km away
13. 2.23km NW of Willow Creek, CAMon, May 24, 2:09 AM PDT · 1959 days ago · 23 km deep · 18 km away
14. 2.531km WNW of Weaverville, CASat, May 22, 12:35 PM PDT · 1960 days ago · 23 km deep · 17 km away
15. 2.420km NW of Bayview, CAThu, May 20, 5:19 PM PDT · 1962 days ago · 22 km deep · 76 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73577995. Read Sun, Oct 4, 2026, 3:01 AM UTC.