M1.9 earthquake 3km WSW of Compton, CA

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Jul 21, 2021, 3:28 AM PDT

UTC

2021-07-21 10:28:49 UTC

Depth

11.8 km (7.4 mi), shallow

Epicenter

33.885° N, 118.250° 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

±0.21

Depth from

From location

Station coverage gap

70°

Stations used

41

• West Rancho Dominguez, CaliforniaPopulation 5,669. Forecast2 kmESE
• Compton, CaliforniaPopulation 98,462. Forecast3 kmWSW
• Torrance, CaliforniaPopulation 143,592. Forecast10 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast19 kmS

After

1. 2.09km WSW of Lytle Creek, CAWed, Jul 21, 7:48 PM PDT · 1900 days ago · 6 km deep · 72 km away · felt by 1
2. 1.76km NW of Corona, CAThu, Jul 22, 11:26 AM PDT · 1900 days ago · 7 km deep · 59 km away
3. 2.54km SE of Ontario, CAThu, Jul 22, 1:14 PM PDT · 1900 days ago · 16 km deep · 62 km away · felt by 6
4. 1.622km SSW of Seal Beach, CAFri, Jul 23, 2:43 AM PDT · 1899 days ago · 13 km deep · 38 km away
5. 2.118km N of Fillmore, CAFri, Jul 23, 3:12 PM PDT · 1898 days ago · 6 km deep · 98 km away
6. 1.61km NNW of South Gate, CASun, Jul 25, 8:26 PM PDT · 1896 days ago · 13 km deep · 9 km away
7. 2.10km W of Brea, CAWed, Jul 28, 12:53 AM PDT · 1894 days ago · 8 km deep · 32 km away · felt by 4
8. 3.04km SW of Redlands, CAFri, Jul 30, 5:59 PM PDT · 1891 days ago · 15 km deep · 97 km away · felt by 153
9. 1.62km ENE of Colton, CASat, Jul 31, 8:27 AM PDT · 1891 days ago · 16 km deep · 91 km away · felt by 1
10. 2.06km S of Redlands, CASat, Jul 31, 2:31 PM PDT · 1891 days ago · 14 km deep · 98 km away
11. 1.910km SSW of Rancho Palos Verdes, CAMon, Aug 2, 8:33 AM PDT · 1889 days ago · 0 km deep · 30 km away
12. 1.52km WSW of Costa Mesa, CAWed, Aug 4, 6:18 AM PDT · 1887 days ago · 10 km deep · 38 km away
13. 1.65km WNW of Muscoy, CAFri, Aug 6, 12:00 AM PDT · 1885 days ago · 11 km deep · 86 km away
14. 1.53km SSE of Piru, CASat, Aug 7, 2:10 AM PDT · 1884 days ago · 10 km deep · 75 km away
15. 1.56km SSW of Redlands, CATue, Aug 10, 10:50 AM PDT · 1881 days ago · 14 km deep · 97 km away
16. 2.013km SSE of Malibu Beach, CATue, Aug 10, 5:44 PM PDT · 1880 days ago · 10 km deep · 38 km away
17. 2.53km WSW of Fontana, CAThu, Aug 12, 8:15 PM PDT · 1878 days ago · 9 km deep · 73 km away · felt by 83
18. 2.45km S of Redlands, CAFri, Aug 13, 11:57 AM PDT · 1878 days ago · 14 km deep · 99 km away
19. 1.81km NNW of La Puente, CAMon, Aug 16, 7:50 PM PDT · 1874 days ago · 9 km deep · 32 km away
20. 1.55km NNE of Fontana, CATue, Aug 17, 2:32 PM PDT · 1874 days ago · 7 km deep · 80 km away
21. 1.64km N of Rancho Cucamonga, CASat, Aug 21, 9:22 AM PDT · 1870 days ago · 11 km deep · 69 km away
22. 1.916km NNE of Avalon, CASun, Aug 22, 12:44 PM PDT · 1869 days ago · 17 km deep · 46 km away
23. 1.83km SSE of Devore, CATue, Aug 24, 2:06 AM PDT · 1867 days ago · 12 km deep · 86 km away
24. 1.83km SSE of Garden Grove, CASat, Aug 28, 1:30 PM PDT · 1863 days ago · 15 km deep · 32 km away
25. 1.56km S of Pearblossom, CASun, Aug 29, 12:08 AM PDT · 1862 days ago · 9 km deep · 71 km away · felt by 1
26. 1.84km NW of Silver Lake, CAMon, Aug 30, 1:47 AM PDT · 1861 days ago · 11 km deep · 26 km away · felt by 3
27. 1.64km N of Fontana, CAMon, Aug 30, 3:29 AM PDT · 1861 days ago · 6 km deep · 78 km away · felt by 2
28. 1.74km N of Fontana, CAMon, Aug 30, 4:37 AM PDT · 1861 days ago · 7 km deep · 78 km away
29. 1.72km ESE of Loma Linda, CAMon, Aug 30, 2:39 PM PDT · 1861 days ago · 14 km deep · 95 km away
30. 2.03km E of Loma Linda, CAWed, Sep 1, 9:41 AM PDT · 1859 days ago · 14 km deep · 96 km away
31. 1.91km SSW of Malibu, CAThu, Sep 2, 10:30 AM PDT · 1858 days ago · 13 km deep · 54 km away · felt by 2
32. 1.730km SW of Dana Point, CAFri, Sep 3, 6:52 PM PDT · 1856 days ago · 14 km deep · 69 km away
33. 1.72km NNW of Inglewood, CAFri, Sep 3, 9:59 PM PDT · 1856 days ago · 8 km deep · 13 km away · felt by 11
34. 2.030km SW of Dana Point, CASat, Sep 4, 6:09 AM PDT · 1856 days ago · 13 km deep · 69 km away · felt by 2
35. 1.64km SW of Highland, CASat, Sep 4, 10:28 AM PDT · 1856 days ago · 9 km deep · 96 km away
36. 1.64km NE of Whittier, CASun, Sep 5, 7:45 AM PDT · 1855 days ago · 29 km deep · 26 km away
37. 2.85km SSE of Malibu Beach, CAMon, Sep 6, 9:37 AM PDT · 1854 days ago · 12 km deep · 41 km away · felt by 17
38. 2.65km SE of Loma Linda, CAWed, Sep 8, 3:22 AM PDT · 1852 days ago · 15 km deep · 95 km away · felt by 5
39. 2.65km NNE of Fontana, CAThu, Sep 9, 8:01 AM PDT · 1851 days ago · 7 km deep · 79 km away · felt by 16
40. 1.65km NNE of Fontana, CAThu, Sep 9, 8:57 AM PDT · 1851 days ago · 7 km deep · 79 km away
41. 2.63km NNW of La Verne, CAFri, Sep 10, 6:17 PM PDT · 1849 days ago · 6 km deep · 51 km away · felt by 50
42. 3.65km NNW of Thousand Oaks, CAMon, Sep 13, 7:59 AM PDT · 1847 days ago · 2 km deep · 71 km away · felt by 2,275
43. 1.85km NE of Wildomar, CATue, Sep 14, 3:40 AM PDT · 1846 days ago · 15 km deep · 97 km away · felt by 4
44. 2.92km SSE of Lytle Creek, CATue, Sep 14, 2:36 PM PDT · 1846 days ago · 8 km deep · 81 km away · felt by 59
45. 2.91km NNE of San Fernando, CATue, Sep 14, 5:57 PM PDT · 1845 days ago · 7 km deep · 49 km away · felt by 400
46. 2.38km SSW of Pearblossom, CAWed, Sep 15, 3:01 AM PDT · 1845 days ago · 8 km deep · 68 km away · felt by 3
47. 2.35km NE of Wildomar, CAFri, Sep 17, 1:09 PM PDT · 1843 days ago · 14 km deep · 97 km away · felt by 7
48. 4.32km E of Carson, CAFri, Sep 17, 7:58 PM PDT · 1842 days ago · 12 km deep · 6 km away · felt by 10,301 · tsunami flag
49. 2.82km ESE of Carson, CAFri, Sep 17, 11:06 PM PDT · 1842 days ago · 11 km deep · 7 km away · felt by 411
50. 2.02km SE of Carson, CASat, Sep 18, 10:33 PM PDT · 1841 days ago · 11 km deep · 7 km away · felt by 70

Before

1. 1.75km ENE of Villa Park, CAMon, Jul 19, 8:03 PM PDT · 1902 days ago · 8 km deep · 45 km away
2. 1.811km NNE of Trabuco Canyon, CASun, Jul 18, 9:58 AM PDT · 1904 days ago · 8 km deep · 68 km away
3. 1.78km E of Yorba Linda, CASat, Jul 17, 1:34 PM PDT · 1905 days ago · 6 km deep · 49 km away
4. 1.66km S of Malibu Beach, CAFri, Jul 16, 4:15 PM PDT · 1905 days ago · 15 km deep · 43 km away
5. 1.57km NW of Rancho Cucamonga, CAMon, Jul 12, 10:56 PM PDT · 1909 days ago · 9 km deep · 65 km away
6. 1.55km NW of Fontana, CAMon, Jul 12, 8:30 AM PDT · 1910 days ago · 6 km deep · 76 km away
7. 1.61km N of Loma Linda, CAMon, Jul 12, 2:18 AM PDT · 1910 days ago · 16 km deep · 93 km away
8. 1.85km NNW of Fontana, CASun, Jul 11, 12:10 AM PDT · 1911 days ago · 5 km deep · 76 km away
9. 1.96km SW of Fontana, CASat, Jul 10, 4:32 AM PDT · 1912 days ago · 6 km deep · 71 km away
10. 2.515km SSE of Malibu, CAFri, Jul 9, 3:33 PM PDT · 1912 days ago · 9 km deep · 44 km away · felt by 2
11. 1.96km S of Lytle Creek, CAThu, Jul 8, 12:47 AM PDT · 1914 days ago · 11 km deep · 78 km away · felt by 1
12. 1.75km SW of Fontana, CAWed, Jul 7, 8:57 PM PDT · 1914 days ago · 6 km deep · 72 km away
13. 1.517km N of Fillmore, CAWed, Jul 7, 1:10 PM PDT · 1915 days ago · 19 km deep · 95 km away
14. 2.311km E of Yorba Linda, CAWed, Jul 7, 10:25 AM PDT · 1915 days ago · 10 km deep · 51 km away · felt by 3
15. 1.617km W of Manhattan Beach, CATue, Jul 6, 10:31 PM PDT · 1915 days ago · 13 km deep · 32 km away
16. 1.91km SW of Sherman Oaks, CAMon, Jul 5, 12:58 AM PDT · 1917 days ago · 3 km deep · 35 km away · felt by 111
17. 3.44km NNW of Fontana, CASat, Jul 3, 1:22 AM PDT · 1919 days ago · 5 km deep · 76 km away · felt by 1,244
18. 1.86km SE of Ontario, CAFri, Jul 2, 5:07 PM PDT · 1919 days ago · 7 km deep · 63 km away
19. 2.24km NW of Fontana, CAFri, Jul 2, 3:25 PM PDT · 1919 days ago · 6 km deep · 76 km away · felt by 25
20. 1.713km N of Piru, CAFri, Jul 2, 9:38 AM PDT · 1920 days ago · 13 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci39748215. Read Sun, Oct 4, 2026, 9:15 AM UTC.