M1.9 earthquake 10km ENE of Biola, CA

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Apr 20, 2021, 9:39 PM PDT

UTC

2021-04-21 04:39:04 UTC

Depth

19.8 km (12.3 mi), shallow

Epicenter

36.850° N, 119.927° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 1.0 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

148°

Stations used

9

• Biola, CaliforniaPopulation 1,623. Forecast10 kmENE
• Madera, CaliforniaPopulation 64,208. Forecast17 kmSE
• Fresno, CaliforniaPopulation 542,107. Forecast18 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast346 kmNNW

After

1. 2.123km S of South Dos Palos, CAWed, Apr 21, 3:29 PM PDT · 1991 days ago · 0 km deep · 69 km away · felt by 1
2. 1.613km NNW of Avenal, CAFri, Apr 23, 1:30 AM PDT · 1989 days ago · 7 km deep · 86 km away
3. 1.612km NNW of Avenal, CAFri, Apr 23, 1:30 AM PDT · 1989 days ago · 6 km deep · 87 km away
4. 1.69km NNW of Avenal, CAFri, Apr 23, 3:43 PM PDT · 1989 days ago · 7 km deep · 89 km away
5. 2.211km NE of New Idria, CAFri, Apr 23, 4:56 PM PDT · 1989 days ago · 9 km deep · 72 km away
6. 2.57km NW of Avenal, CASat, Apr 24, 2:16 PM PDT · 1988 days ago · 9 km deep · 93 km away · felt by 2
7. 1.98km E of Sanger, CASun, Apr 25, 4:50 AM PDT · 1987 days ago · 33 km deep · 44 km away · felt by 1
8. 2.115km SSE of Cantua Creek, CASun, Apr 25, 10:50 PM PDT · 1986 days ago · 14 km deep · 61 km away
9. 1.69km NW of Avenal, CAMon, Apr 26, 12:43 PM PDT · 1986 days ago · 8 km deep · 90 km away
10. 1.713km NNW of Avenal, CAWed, Apr 28, 3:31 PM PDT · 1984 days ago · 7 km deep · 86 km away
11. 2.112km WNW of Midpines, CAThu, Apr 29, 7:27 PM PDT · 1983 days ago · 26 km deep · 81 km away
12. 1.625km SSW of Los Banos, CAFri, Apr 30, 3:11 AM PDT · 1982 days ago · 10 km deep · 90 km away
13. 1.530km NE of Oakhurst, CASun, May 2, 1:43 AM PDT · 1980 days ago · 17 km deep · 86 km away
14. 1.630km NE of Oakhurst, CASun, May 2, 6:26 AM PDT · 1980 days ago · 15 km deep · 85 km away
15. 1.630km NE of Oakhurst, CASun, May 2, 3:20 PM PDT · 1980 days ago · 14 km deep · 86 km away
16. 2.128km NE of Pinnacles, CASun, May 2, 3:31 PM PDT · 1980 days ago · 4 km deep · 91 km away
17. 1.830km NE of Oakhurst, CASun, May 2, 10:14 PM PDT · 1979 days ago · 11 km deep · 87 km away
18. 1.630km NE of Oakhurst, CAMon, May 3, 3:09 AM PDT · 1979 days ago · 16 km deep · 85 km away
19. 1.730km NE of Oakhurst, CAMon, May 3, 4:28 AM PDT · 1979 days ago · 18 km deep · 85 km away
20. 1.630km NE of Oakhurst, CAMon, May 3, 5:09 AM PDT · 1979 days ago · 16 km deep · 85 km away
21. 1.629km ENE of Oakhurst, CAMon, May 3, 7:58 AM PDT · 1979 days ago · 17 km deep · 85 km away
22. 2.52km N of Armona, CAMon, May 3, 1:24 PM PDT · 1979 days ago · 24 km deep · 61 km away
23. 2.630km NE of Oakhurst, CAMon, May 3, 2:52 PM PDT · 1979 days ago · 11 km deep · 87 km away · felt by 5
24. 1.930km NE of Oakhurst, CAMon, May 3, 9:48 PM PDT · 1978 days ago · 15 km deep · 85 km away
25. 3.229km NE of Pinnacles, CATue, May 4, 5:36 AM PDT · 1978 days ago · 7 km deep · 92 km away · felt by 8
26. 1.629km NE of Pinnacles, CATue, May 4, 6:43 AM PDT · 1978 days ago · 0 km deep · 92 km away
27. 1.730km NE of Oakhurst, CATue, May 4, 2:16 PM PDT · 1978 days ago · 12 km deep · 86 km away
28. 1.614km SW of Bootjack, CAWed, May 5, 2:49 AM PDT · 1977 days ago · 27 km deep · 57 km away
29. 2.68km NE of Coalinga, CAWed, May 5, 7:58 AM PDT · 1977 days ago · 11 km deep · 80 km away · felt by 3
30. 1.81km SW of Kettleman City, CAWed, May 5, 8:38 AM PDT · 1977 days ago · 1 km deep · 94 km away
31. 1.729km NE of Oakhurst, CAWed, May 5, 1:22 PM PDT · 1977 days ago · 16 km deep · 85 km away
32. 1.53km ENE of Coalinga, CASat, May 8, 7:56 AM PDT · 1974 days ago · 6 km deep · 86 km away
33. 2.420km WNW of Yosemite Lakes, CASat, May 8, 11:34 PM PDT · 1973 days ago · 20 km deep · 48 km away · felt by 5
34. 2.06km NE of Oakhurst, CATue, May 11, 2:11 AM PDT · 1971 days ago · 42 km deep · 64 km away
35. 2.48km ENE of North Fork, CAFri, May 14, 8:47 PM PDT · 1967 days ago · 32 km deep · 63 km away
36. 2.221km SSW of Mariposa, CASun, May 16, 4:37 AM PDT · 1966 days ago · 25 km deep · 50 km away
37. 1.88km S of Los Banos, CASun, May 16, 8:10 AM PDT · 1966 days ago · 0 km deep · 84 km away
38. 1.94km N of Shaver Lake, CASun, May 16, 9:01 AM PDT · 1966 days ago · 32 km deep · 63 km away
39. 3.611km WSW of Huron, CATue, May 18, 7:44 AM PDT · 1964 days ago · 9 km deep · 80 km away · felt by 35
40. 2.06km SW of North Fork, CATue, May 18, 9:18 PM PDT · 1963 days ago · 33 km deep · 50 km away
41. 1.86km NNW of Ahwahnee, CAThu, May 20, 3:12 AM PDT · 1962 days ago · 24 km deep · 65 km away
42. 1.923km S of South Dos Palos, CAFri, May 21, 10:47 PM PDT · 1960 days ago · 1 km deep · 70 km away
43. 2.26km SSE of Riverdale, CASun, May 23, 8:41 PM PDT · 1958 days ago · 15 km deep · 52 km away
44. 1.711km WSW of Huron, CAThu, May 27, 1:31 AM PDT · 1955 days ago · 7 km deep · 81 km away
45. 2.322km SW of Los Banos, CAThu, May 27, 7:01 PM PDT · 1955 days ago · 6 km deep · 97 km away
46. 2.08km W of Corcoran, CAThu, May 27, 11:41 PM PDT · 1954 days ago · 13 km deep · 87 km away
47. 2.58km WSW of Corcoran, CAFri, May 28, 8:55 AM PDT · 1954 days ago · 15 km deep · 89 km away · felt by 2
48. 1.923km ESE of Yosemite Valley, CAThu, Jun 3, 3:59 PM PDT · 1948 days ago · 15 km deep · 100 km away
49. 1.529km NE of Oakhurst, CAFri, Jun 4, 9:20 AM PDT · 1947 days ago · 10 km deep · 84 km away
50. 1.529km NE of Oakhurst, CAFri, Jun 4, 5:12 PM PDT · 1947 days ago · 9 km deep · 85 km away
51. 1.524km NW of New Idria, CASat, Jun 5, 3:08 AM PDT · 1946 days ago · 4 km deep · 87 km away
52. 2.129km ENE of Oakhurst, CASat, Jun 5, 11:08 AM PDT · 1946 days ago · 10 km deep · 85 km away
53. 2.28km W of Corcoran, CASun, Jun 6, 4:24 AM PDT · 1945 days ago · 16 km deep · 88 km away
54. 2.38km WSW of Corcoran, CAWed, Jun 9, 2:18 PM PDT · 1942 days ago · 16 km deep · 89 km away
55. 1.91km SW of Mariposa, CAFri, Jun 11, 6:35 PM PDT · 1940 days ago · 25 km deep · 70 km away
56. 1.919km SE of Yosemite Valley, CASun, Jun 13, 10:09 AM PDT · 1938 days ago · 6 km deep · 100 km away
57. 2.118km SSW of Mariposa, CAMon, Jun 14, 3:16 AM PDT · 1937 days ago · 19 km deep · 55 km away
58. 2.49km WSW of Corcoran, CATue, Jun 15, 9:31 AM PDT · 1936 days ago · 16 km deep · 89 km away
59. 1.626km SSW of Los Banos, CAWed, Jun 16, 8:25 PM PDT · 1935 days ago · 9 km deep · 91 km away

Before

1. 1.512km E of Coalinga, CAMon, Apr 19, 1:03 AM PDT · 1993 days ago · 9 km deep · 83 km away
2. 2.114km NW of Midpines, CAFri, Apr 16, 9:17 AM PDT · 1996 days ago · 29 km deep · 88 km away
3. 1.79km NNW of Yosemite Lakes, CAThu, Apr 8, 8:54 AM PDT · 2004 days ago · 18 km deep · 47 km away
4. 3.323km S of South Dos Palos, CAWed, Apr 7, 1:18 PM PDT · 2005 days ago · 4 km deep · 70 km away · felt by 8
5. 1.98km ESE of Oakhurst, CATue, Apr 6, 8:05 AM PDT · 2006 days ago · 37 km deep · 60 km away
6. 1.621km SE of Yosemite Valley, CATue, Apr 6, 4:49 AM PDT · 2006 days ago · 8 km deep · 100 km away
7. 1.67km E of North Fork, CAMon, Apr 5, 9:41 PM PDT · 2006 days ago · 25 km deep · 61 km away
8. 1.77km W of Madera, CAMon, Apr 5, 9:00 PM PDT · 2006 days ago · 18 km deep · 22 km away
9. 1.612km NNW of Avenal, CASun, Apr 4, 3:47 PM PDT · 2008 days ago · 8 km deep · 87 km away
10. 2.212km NNW of Avenal, CASun, Apr 4, 3:41 PM PDT · 2008 days ago · 8 km deep · 87 km away
11. 1.76km NW of Yosemite Lakes, CASun, Apr 4, 5:34 AM PDT · 2008 days ago · 20 km deep · 43 km away
12. 2.17km ESE of Kettleman City, CAWed, Mar 31, 4:56 PM PDT · 2012 days ago · 24 km deep · 96 km away
13. 1.921km SSW of South Dos Palos, CAMon, Mar 29, 9:49 AM PDT · 2014 days ago · 2 km deep · 70 km away
14. 2.027km SSW of Los Banos, CAMon, Mar 29, 9:46 AM PDT · 2014 days ago · 3 km deep · 91 km away
15. 2.026km SSW of Los Banos, CAMon, Mar 29, 12:04 AM PDT · 2014 days ago · 1 km deep · 90 km away
16. 1.712km SW of Huron, CAThu, Mar 25, 11:55 PM PDT · 2017 days ago · 7 km deep · 83 km away
17. 1.813km S of Mariposa, CATue, Mar 23, 4:36 PM PDT · 2020 days ago · 27 km deep · 58 km away
18. 1.919km NNW of Coalinga, CATue, Mar 23, 11:33 AM PDT · 2020 days ago · 8 km deep · 78 km away
19. 2.126km SSW of South Dos Palos, CATue, Mar 23, 6:56 AM PDT · 2020 days ago · 2 km deep · 74 km away
20. 2.727km SSW of South Dos Palos, CATue, Mar 23, 6:54 AM PDT · 2020 days ago · 4 km deep · 74 km away · felt by 4

From the USGS Earthquake Hazards Program and its partner networks, event nc73552535. Read Sat, Oct 3, 2026, 2:58 PM UTC.