M1.9 earthquake 20km NE of Red Bluff, CA

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, May 25, 2021, 2:45 AM PDT

UTC

2021-05-25 09:45:57 UTC

Depth

9.6 km (6.0 mi), shallow

Epicenter

40.318° N, 122.094° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.8 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

92°

Stations used

16

• Bend, CaliforniaPopulation 619. Forecast12 kmNE
• Red Bluff, CaliforniaPopulation 14,131. Forecast20 kmNE
• Chico, CaliforniaPopulation 121,345. Forecast69 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast775 kmNNW

After

1. 1.65km N of Millville, CAThu, May 27, 4:43 AM PDT · 1956 days ago · 14 km deep · 33 km away
2. 1.74km NNE of Canyondam, CATue, Jun 1, 10:07 AM PDT · 1951 days ago · 8 km deep · 89 km away
3. 1.63km ENE of Prattville, CAFri, Jun 4, 6:17 PM PDT · 1947 days ago · 7 km deep · 83 km away
4. 1.914km SSW of Hamilton City, CATue, Jun 8, 3:17 AM PDT · 1944 days ago · 16 km deep · 78 km away
5. 1.815km SSW of Hamilton City, CATue, Jun 8, 3:19 AM PDT · 1944 days ago · 20 km deep · 78 km away
6. 2.011km W of Alder Springs, CAWed, Jun 9, 1:01 PM PDT · 1943 days ago · -1 km deep · 97 km away
7. 2.32km N of Canyondam, CAWed, Jun 9, 4:56 PM PDT · 1943 days ago · 5 km deep · 87 km away
8. 2.14km SSW of East Shore, CAWed, Jun 9, 6:25 PM PDT · 1942 days ago · 5 km deep · 86 km away
9. 2.215km E of Willows, CAWed, Jun 9, 9:00 PM PDT · 1942 days ago · 23 km deep · 89 km away
10. 2.02km SW of McArthur, CASat, Jun 12, 1:04 PM PDT · 1940 days ago · 12 km deep · 98 km away
11. 2.112km NNE of Shasta Lake, CASun, Jun 13, 4:11 AM PDT · 1939 days ago · 21 km deep · 54 km away
12. 1.56km NNE of Millville, CATue, Jun 15, 10:06 AM PDT · 1937 days ago · 12 km deep · 32 km away
13. 1.51km WSW of Canyondam, CATue, Jun 15, 1:00 PM PDT · 1937 days ago · 10 km deep · 87 km away
14. 1.613km SW of Almanor, CAWed, Jun 16, 7:58 PM PDT · 1935 days ago · 9 km deep · 70 km away
15. 1.62km E of Palo Cedro, CAFri, Jun 18, 6:32 AM PDT · 1934 days ago · 6 km deep · 29 km away
16. 1.514km WSW of Almanor, CAFri, Jun 18, 1:55 PM PDT · 1934 days ago · 11 km deep · 68 km away
17. 1.514km N of Shingletown, CASun, Jun 20, 6:25 PM PDT · 1931 days ago · 12 km deep · 37 km away
18. 1.69km N of Biggs, CAMon, Jun 21, 2:54 PM PDT · 1931 days ago · 3 km deep · 98 km away
19. 2.111km W of Almanor, CAMon, Jun 21, 10:22 PM PDT · 1930 days ago · 5 km deep · 68 km away
20. 2.110km W of Almanor, CATue, Jun 22, 3:26 PM PDT · 1930 days ago · 8 km deep · 69 km away
21. 1.54km S of Canyondam, CAFri, Jun 25, 3:14 PM PDT · 1927 days ago · 4 km deep · 89 km away
22. 1.614km NNE of Mineral, CASat, Jun 26, 3:20 AM PDT · 1926 days ago · 3 km deep · 52 km away
23. 1.515km ENE of Mineral, CAMon, Jun 28, 12:28 PM PDT · 1924 days ago · 5 km deep · 60 km away
24. 1.78km WNW of Chester, CAMon, Jun 28, 8:44 PM PDT · 1923 days ago · 6 km deep · 66 km away
25. 1.610km WSW of Round Mountain, CATue, Jun 29, 2:23 PM PDT · 1923 days ago · 12 km deep · 51 km away
26. 1.85km W of Paradise, CAThu, Jul 8, 12:10 PM PDT · 1914 days ago · 0 km deep · 70 km away
27. 1.815km ENE of Willows, CAMon, Jul 12, 2:17 PM PDT · 1910 days ago · 19 km deep · 85 km away
28. 1.74km SSE of Mineral, CATue, Jul 13, 11:05 AM PDT · 1909 days ago · 3 km deep · 46 km away
29. 2.018km ESE of Anderson, CASat, Jul 17, 12:15 AM PDT · 1905 days ago · 13 km deep · 10 km away
30. 1.85km SSE of Mineral, CASat, Jul 17, 5:44 AM PDT · 1905 days ago · 11 km deep · 47 km away
31. 1.615km SSE of McCloud, CAMon, Jul 19, 9:33 AM PDT · 1903 days ago · 7 km deep · 92 km away
32. 2.16km N of Hamilton City, CAThu, Jul 22, 3:39 AM PDT · 1900 days ago · 15 km deep · 58 km away
33. 2.041km NE of Covelo, CAThu, Jul 22, 1:59 PM PDT · 1900 days ago · 4 km deep · 75 km away
34. 2.311km W of Alder Springs, CAThu, Jul 22, 10:15 PM PDT · 1899 days ago · 6 km deep · 97 km away
35. 2.011km W of Alder Springs, CAFri, Jul 23, 4:13 PM PDT · 1899 days ago · 4 km deep · 97 km away
36. 2.316km E of Willows, CASat, Jul 24, 1:54 AM PDT · 1898 days ago · 17 km deep · 87 km away

Before

1. 2.018km WNW of Round Mountain, CAThu, May 20, 4:44 PM PDT · 1963 days ago · 13 km deep · 61 km away
2. 1.69km E of Millville, CAThu, May 20, 8:03 AM PDT · 1963 days ago · 11 km deep · 27 km away
3. 2.010km ENE of French Gulch, CAThu, May 13, 10:05 PM PDT · 1969 days ago · 15 km deep · 58 km away
4. 1.625km NNE of Hamilton Branch, CAWed, May 12, 7:53 PM PDT · 1970 days ago · 2 km deep · 97 km away
5. 2.925km N of Shasta Lake, CAWed, May 12, 10:44 AM PDT · 1971 days ago · 20 km deep · 70 km away · felt by 16
6. 2.126km W of Rancho Tehama Reserve, CATue, May 11, 8:38 AM PDT · 1972 days ago · 1 km deep · 63 km away
7. 1.913km W of Shingletown, CASun, May 9, 7:01 AM PDT · 1974 days ago · 17 km deep · 19 km away
8. 1.72km NE of Chester, CASun, May 9, 6:35 AM PDT · 1974 days ago · 10 km deep · 75 km away
9. 1.729km N of Shasta Lake, CASat, May 8, 9:15 PM PDT · 1974 days ago · 14 km deep · 74 km away
10. 2.47km WNW of Willows, CAThu, May 6, 5:51 PM PDT · 1977 days ago · 28 km deep · 88 km away · felt by 3
11. 2.38km WNW of Willows, CAMon, May 3, 6:28 PM PDT · 1979 days ago · 28 km deep · 88 km away · felt by 3
12. 2.72km NNW of Chico, CASat, May 1, 11:26 AM PDT · 1982 days ago · 14 km deep · 66 km away · felt by 4
13. 2.219km WSW of Manton, CAThu, Apr 29, 12:23 AM PDT · 1984 days ago · 15 km deep · 4 km away
14. 1.83km WSW of Shasta Lake, CATue, Apr 27, 2:42 PM PDT · 1986 days ago · 17 km deep · 48 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73564991. Read Sun, Oct 4, 2026, 12:36 PM UTC.