M1.8 earthquake 6km SE of Ontario, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Jul 2, 2021, 5:07 PM PDT

UTC

2021-07-03 00:07:47 UTC

Depth

6.6 km (4.1 mi), shallow

Epicenter

34.017° N, 117.587° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.16

Depth from

From location

Station coverage gap

40°

Stations used

60

• Eastvale, CaliforniaPopulation 59,039. Forecast6 kmNNW
• Ontario, CaliforniaPopulation 171,214. Forecast8 kmSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast61 kmE

After

1. 3.44km NNW of Fontana, CASat, Jul 3, 1:22 AM PDT · 1920 days ago · 5 km deep · 16 km away · felt by 1,244
2. 3.05km NNE of Running Springs, CASat, Jul 3, 2:47 AM PDT · 1920 days ago · 4 km deep · 52 km away · felt by 33
3. 2.05km N of Running Springs, CASat, Jul 3, 7:38 AM PDT · 1920 days ago · 4 km deep · 52 km away
4. 1.91km SW of Sherman Oaks, CAMon, Jul 5, 12:58 AM PDT · 1918 days ago · 3 km deep · 81 km away · felt by 111
5. 1.55km SSE of Banning, CATue, Jul 6, 10:26 AM PDT · 1916 days ago · 12 km deep · 70 km away
6. 2.53km ENE of San Jacinto, CATue, Jul 6, 4:30 PM PDT · 1916 days ago · 9 km deep · 66 km away · felt by 4
7. 1.617km W of Manhattan Beach, CATue, Jul 6, 10:31 PM PDT · 1916 days ago · 13 km deep · 95 km away
8. 2.311km E of Yorba Linda, CAWed, Jul 7, 10:25 AM PDT · 1915 days ago · 10 km deep · 19 km away · felt by 3
9. 1.75km SW of Fontana, CAWed, Jul 7, 8:57 PM PDT · 1915 days ago · 6 km deep · 10 km away
10. 1.96km S of Lytle Creek, CAThu, Jul 8, 12:47 AM PDT · 1915 days ago · 11 km deep · 23 km away · felt by 1
11. 1.77km NNE of Running Springs, CAThu, Jul 8, 4:22 AM PDT · 1915 days ago · 2 km deep · 55 km away
12. 1.96km SW of Fontana, CASat, Jul 10, 4:32 AM PDT · 1913 days ago · 6 km deep · 9 km away
13. 1.85km NNW of Fontana, CASun, Jul 11, 12:10 AM PDT · 1912 days ago · 5 km deep · 16 km away
14. 1.61km N of Loma Linda, CAMon, Jul 12, 2:18 AM PDT · 1911 days ago · 16 km deep · 30 km away
15. 1.55km NW of Fontana, CAMon, Jul 12, 8:30 AM PDT · 1911 days ago · 6 km deep · 16 km away
16. 2.45km NNE of Running Springs, CAMon, Jul 12, 12:11 PM PDT · 1910 days ago · 5 km deep · 52 km away
17. 1.57km NW of Rancho Cucamonga, CAMon, Jul 12, 10:56 PM PDT · 1910 days ago · 9 km deep · 17 km away
18. 1.65km NNE of Running Springs, CATue, Jul 13, 5:17 AM PDT · 1910 days ago · 5 km deep · 53 km away
19. 2.13km SW of Morongo Valley, CATue, Jul 13, 5:13 PM PDT · 1909 days ago · 10 km deep · 90 km away
20. 1.89km SSE of Cabazon, CATue, Jul 13, 7:14 PM PDT · 1909 days ago · 14 km deep · 80 km away
21. 1.66km WSW of Aguanga, CAThu, Jul 15, 8:20 PM PDT · 1907 days ago · 9 km deep · 90 km away
22. 1.96km E of Calimesa, CAThu, Jul 15, 8:56 PM PDT · 1907 days ago · 17 km deep · 55 km away
23. 1.59km N of Cabazon, CASat, Jul 17, 7:30 AM PDT · 1906 days ago · 9 km deep · 73 km away
24. 1.78km E of Yorba Linda, CASat, Jul 17, 1:34 PM PDT · 1905 days ago · 6 km deep · 19 km away
25. 1.811km NNE of Trabuco Canyon, CASun, Jul 18, 9:58 AM PDT · 1904 days ago · 8 km deep · 30 km away
26. 1.911km SSE of Big Bear Lake, CASun, Jul 18, 10:48 AM PDT · 1904 days ago · 7 km deep · 67 km away
27. 1.612km E of Yucaipa, CAMon, Jul 19, 1:11 PM PDT · 1903 days ago · 18 km deep · 63 km away
28. 1.75km ENE of Villa Park, CAMon, Jul 19, 8:03 PM PDT · 1903 days ago · 8 km deep · 26 km away
29. 1.93km WSW of Compton, CAWed, Jul 21, 3:28 AM PDT · 1902 days ago · 12 km deep · 63 km away
30. 2.09km WSW of Lytle Creek, CAWed, Jul 21, 7:48 PM PDT · 1901 days ago · 6 km deep · 23 km away · felt by 1
31. 1.76km NW of Corona, CAThu, Jul 22, 11:26 AM PDT · 1900 days ago · 7 km deep · 12 km away
32. 1.910km SW of Idyllwild, CAThu, Jul 22, 12:03 PM PDT · 1900 days ago · 17 km deep · 82 km away
33. 2.54km SE of Ontario, CAThu, Jul 22, 1:14 PM PDT · 1900 days ago · 16 km deep · 2 km away · felt by 6
34. 1.95km SW of Idyllwild, CAThu, Jul 22, 3:19 PM PDT · 1900 days ago · 17 km deep · 84 km away
35. 1.622km SSW of Seal Beach, CAFri, Jul 23, 2:43 AM PDT · 1900 days ago · 13 km deep · 75 km away
36. 1.61km NNW of South Gate, CASun, Jul 25, 8:26 PM PDT · 1897 days ago · 13 km deep · 58 km away
37. 1.510km SSW of Idyllwild, CAMon, Jul 26, 4:24 AM PDT · 1897 days ago · 13 km deep · 88 km away
38. 1.69km S of Idyllwild, CAMon, Jul 26, 4:24 AM PDT · 1897 days ago · 12 km deep · 89 km away
39. 2.10km W of Brea, CAWed, Jul 28, 12:53 AM PDT · 1895 days ago · 8 km deep · 31 km away · felt by 4
40. 2.014km ENE of Yucaipa, CAFri, Jul 30, 12:30 AM PDT · 1893 days ago · 8 km deep · 63 km away · felt by 1
41. 1.511km ENE of Yucaipa, CAFri, Jul 30, 3:52 PM PDT · 1892 days ago · 13 km deep · 60 km away
42. 3.04km SW of Redlands, CAFri, Jul 30, 5:59 PM PDT · 1892 days ago · 15 km deep · 35 km away · felt by 153
43. 1.62km ENE of Colton, CASat, Jul 31, 8:27 AM PDT · 1892 days ago · 16 km deep · 28 km away · felt by 1
44. 2.06km S of Redlands, CASat, Jul 31, 2:31 PM PDT · 1891 days ago · 14 km deep · 36 km away
45. 1.910km WSW of Morongo Valley, CAMon, Aug 2, 3:20 AM PDT · 1890 days ago · 13 km deep · 83 km away
46. 1.910km SSW of Rancho Palos Verdes, CAMon, Aug 2, 8:33 AM PDT · 1890 days ago · 0 km deep · 87 km away
47. 1.51km E of Beaumont, CATue, Aug 3, 3:04 PM PDT · 1888 days ago · 16 km deep · 58 km away
48. 1.913km W of Carlsbad, CAWed, Aug 4, 4:19 AM PDT · 1888 days ago · 13 km deep · 98 km away
49. 1.52km WSW of Costa Mesa, CAWed, Aug 4, 6:18 AM PDT · 1888 days ago · 10 km deep · 51 km away
50. 1.711km SSE of Big Bear Lake, CAWed, Aug 4, 8:06 AM PDT · 1888 days ago · 7 km deep · 67 km away
51. 2.79km NNW of Big Bear City, CAWed, Aug 4, 6:23 PM PDT · 1887 days ago · 2 km deep · 75 km away · felt by 9
52. 3.12km NW of Hemet, CAWed, Aug 4, 11:51 PM PDT · 1887 days ago · 17 km deep · 63 km away · felt by 573
53. 1.95km N of Beaumont, CAThu, Aug 5, 6:48 AM PDT · 1887 days ago · 13 km deep · 56 km away
54. 1.63km S of Mentone, CAThu, Aug 5, 5:20 PM PDT · 1886 days ago · 13 km deep · 42 km away
55. 1.65km WNW of Muscoy, CAFri, Aug 6, 12:00 AM PDT · 1886 days ago · 11 km deep · 25 km away
56. 1.710km S of Idyllwild, CAFri, Aug 6, 2:38 PM PDT · 1885 days ago · 18 km deep · 91 km away
57. 2.26km SE of Valle Vista, CAFri, Aug 6, 9:22 PM PDT · 1885 days ago · 16 km deep · 76 km away · felt by 6
58. 1.76km S of Calimesa, CASat, Aug 7, 1:49 PM PDT · 1884 days ago · 4 km deep · 50 km away
59. 1.86km NW of Desert Hot Springs, CASun, Aug 8, 7:33 AM PDT · 1884 days ago · 10 km deep · 95 km away
60. 1.56km SSW of Redlands, CATue, Aug 10, 10:50 AM PDT · 1881 days ago · 14 km deep · 35 km away

The first 60 of 86.

Before

1. 2.24km NW of Fontana, CAFri, Jul 2, 3:25 PM PDT · 1920 days ago · 6 km deep · 16 km away · felt by 25
2. 1.710km S of Idyllwild, CAFri, Jul 2, 2:23 AM PDT · 1921 days ago · 16 km deep · 91 km away
3. 2.22km ENE of Gardena, CAThu, Jul 1, 8:32 PM PDT · 1921 days ago · 11 km deep · 66 km away · felt by 12
4. 2.05km SW of Fontana, CAWed, Jun 30, 10:31 AM PDT · 1922 days ago · 6 km deep · 10 km away · felt by 1
5. 1.67km SW of Morongo Valley, CATue, Jun 29, 6:42 AM PDT · 1924 days ago · 15 km deep · 88 km away
6. 1.66km SW of Fontana, CAMon, Jun 28, 6:56 AM PDT · 1925 days ago · 5 km deep · 9 km away
7. 1.75km NW of Palomar Observatory, CAFri, Jun 25, 9:57 PM PDT · 1927 days ago · 14 km deep · 94 km away
8. 2.95km SSE of Rancho Cucamonga, CAFri, Jun 25, 2:12 PM PDT · 1927 days ago · 11 km deep · 8 km away · felt by 339
9. 2.82km E of Wrightwood, CAThu, Jun 24, 4:11 PM PDT · 1928 days ago · 8 km deep · 38 km away · felt by 17
10. 2.33km NNE of El Segundo, CAThu, Jun 24, 9:31 AM PDT · 1928 days ago · 13 km deep · 75 km away · felt by 25
11. 1.73km NE of Placentia, CAWed, Jun 23, 11:51 PM PDT · 1929 days ago · 5 km deep · 28 km away
12. 1.52km E of El Segundo, CAWed, Jun 23, 5:12 PM PDT · 1929 days ago · 14 km deep · 75 km away
13. 3.24km NNE of El Segundo, CAWed, Jun 23, 5:08 PM PDT · 1929 days ago · 12 km deep · 75 km away · felt by 2,309
14. 2.35km S of Mentone, CATue, Jun 22, 12:49 AM PDT · 1931 days ago · 17 km deep · 41 km away · felt by 1
15. 2.24km NW of Muscoy, CAMon, Jun 21, 1:36 PM PDT · 1931 days ago · 12 km deep · 27 km away · felt by 2
16. 1.99km NE of Aguanga, CAMon, Jun 21, 1:14 AM PDT · 1932 days ago · 3 km deep · 94 km away
17. 1.920km SW of Huntington Beach, CASun, Jun 20, 10:36 PM PDT · 1932 days ago · 2 km deep · 72 km away · felt by 1
18. 1.53km NE of Grand Terrace, CASat, Jun 19, 3:21 PM PDT · 1933 days ago · 17 km deep · 27 km away
19. 2.05km SW of Sherman Oaks, CASat, Jun 19, 7:22 AM PDT · 1934 days ago · 9 km deep · 83 km away · felt by 12
20. 1.613km WNW of Anza, CAFri, Jun 18, 11:35 PM PDT · 1934 days ago · 7 km deep · 86 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci39727607. Read Mon, Oct 5, 2026, 3:36 AM UTC.