M1.8 earthquake 21km ESE of Anza, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Apr 9, 2021, 10:52 AM PDT

UTC

2021-04-09 17:52:05 UTC

Depth

4.8 km (3.0 mi), shallow

Epicenter

33.507° N, 116.459° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

27°

Stations used

65

• Anza, CaliforniaPopulation 3,014. Forecast21 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast22 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast64 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast110 kmNE

After

1. 2.39km N of Westmorland, CAFri, Apr 9, 1:29 PM PDT · 2004 days ago · 10 km deep · 89 km away
2. 3.04km NNW of Yucca Valley, CAFri, Apr 9, 8:57 PM PDT · 2003 days ago · 6 km deep · 71 km away · felt by 94
3. 1.54km NNW of Yucca Valley, CASat, Apr 10, 12:46 AM PDT · 2003 days ago · 4 km deep · 72 km away
4. 1.610km SE of Bombay Beach, CASat, Apr 10, 3:25 AM PDT · 2003 days ago · 4 km deep · 79 km away
5. 1.711km SE of Bombay Beach, CASat, Apr 10, 7:00 AM PDT · 2003 days ago · 3 km deep · 78 km away
6. 1.826km N of Yucca Valley, CASun, Apr 11, 5:48 PM PDT · 2002 days ago · 9 km deep · 93 km away
7. 1.613km NNE of Thousand Palms, CASun, Apr 11, 6:30 PM PDT · 2002 days ago · 9 km deep · 48 km away
8. 1.69km NE of Aguanga, CATue, Apr 13, 12:04 AM PDT · 2000 days ago · 6 km deep · 31 km away
9. 1.68km NNE of Borrego Springs, CATue, Apr 13, 4:35 AM PDT · 2000 days ago · 11 km deep · 23 km away
10. 3.515km NE of Indio, CATue, Apr 13, 2:35 PM PDT · 2000 days ago · 3 km deep · 48 km away · felt by 80
11. 2.615km NE of Indio, CATue, Apr 13, 3:05 PM PDT · 2000 days ago · 4 km deep · 48 km away · felt by 8
12. 2.117km N of Ocotillo, CAWed, Apr 14, 5:31 PM PDT · 1999 days ago · 11 km deep · 82 km away
13. 1.910km N of Borrego Springs, CAWed, Apr 14, 10:40 PM PDT · 1998 days ago · 11 km deep · 20 km away
14. 1.522km ESE of Anza, CAThu, Apr 15, 4:29 AM PDT · 1998 days ago · 14 km deep · 3 km away
15. 1.614km ESE of Anza, CAFri, Apr 16, 1:44 PM PDT · 1997 days ago · 13 km deep · 6 km away
16. 1.78km ESE of Big Bear City, CASat, Apr 17, 3:34 AM PDT · 1996 days ago · 7 km deep · 85 km away
17. 1.69km SE of Valle Vista, CASat, Apr 17, 5:58 PM PDT · 1996 days ago · 16 km deep · 39 km away
18. 2.110km W of Palomar Observatory, CASun, Apr 18, 2:18 AM PDT · 1995 days ago · 8 km deep · 50 km away · felt by 5
19. 1.69km W of Palomar Observatory, CASun, Apr 18, 3:17 AM PDT · 1995 days ago · 8 km deep · 50 km away
20. 1.69km W of Palomar Observatory, CASun, Apr 18, 4:41 AM PDT · 1995 days ago · 9 km deep · 50 km away
21. 1.79km SSW of Idyllwild, CASun, Apr 18, 9:52 AM PDT · 1995 days ago · 14 km deep · 33 km away
22. 1.56km NNE of Borrego Springs, CAMon, Apr 19, 9:45 AM PDT · 1994 days ago · 12 km deep · 25 km away
23. 1.86km NNE of Borrego Springs, CAMon, Apr 19, 9:45 AM PDT · 1994 days ago · 11 km deep · 25 km away
24. 1.618km NNE of Indio, CAMon, Apr 19, 12:49 PM PDT · 1994 days ago · 8 km deep · 50 km away
25. 1.56km NNW of San Jacinto, CAMon, Apr 19, 7:12 PM PDT · 1993 days ago · 13 km deep · 61 km away
26. 2.73km WSW of Redlands, CATue, Apr 20, 12:03 AM PDT · 1993 days ago · 16 km deep · 92 km away · felt by 27
27. 1.89km W of Calipatria, CATue, Apr 20, 9:31 AM PDT · 1993 days ago · 9 km deep · 90 km away
28. 1.68km W of Calipatria, CATue, Apr 20, 9:34 AM PDT · 1993 days ago · 9 km deep · 91 km away
29. 1.66km SE of Loma Linda, CAWed, Apr 21, 6:11 PM PDT · 1992 days ago · 11 km deep · 90 km away
30. 1.94km SE of Yucaipa, CAWed, Apr 21, 6:46 PM PDT · 1992 days ago · 17 km deep · 76 km away
31. 2.314km SE of Anza, CAWed, Apr 21, 7:37 PM PDT · 1991 days ago · 11 km deep · 14 km away
32. 1.713km ESE of Desert Hot Springs, CAThu, Apr 22, 2:22 AM PDT · 1991 days ago · 5 km deep · 49 km away
33. 1.713km WNW of Calipatria, CAThu, Apr 22, 4:14 AM PDT · 1991 days ago · 3 km deep · 84 km away
34. 1.514km WNW of Calipatria, CAThu, Apr 22, 7:02 AM PDT · 1991 days ago · 4 km deep · 84 km away
35. 1.611km SE of Bombay Beach, CAThu, Apr 22, 7:06 AM PDT · 1991 days ago · 3 km deep · 79 km away
36. 1.616km NE of Indio, CAThu, Apr 22, 11:11 PM PDT · 1990 days ago · 1 km deep · 49 km away
37. 1.915km N of Yucca Valley, CAFri, Apr 23, 6:49 AM PDT · 1990 days ago · 3 km deep · 83 km away
38. 1.915km N of Yucca Valley, CAFri, Apr 23, 6:53 AM PDT · 1990 days ago · 3 km deep · 83 km away
39. 1.61km N of Wildomar, CAFri, Apr 23, 10:46 AM PDT · 1990 days ago · 6 km deep · 77 km away
40. 1.88km N of Anza, CASat, Apr 24, 4:24 AM PDT · 1989 days ago · 16 km deep · 25 km away
41. 1.618km NW of Westmorland, CASat, Apr 24, 4:01 PM PDT · 1989 days ago · 9 km deep · 77 km away
42. 2.516km NE of Indio, CASat, Apr 24, 10:31 PM PDT · 1988 days ago · 2 km deep · 48 km away · felt by 1
43. 2.516km NE of Indio, CASat, Apr 24, 11:17 PM PDT · 1988 days ago · 2 km deep · 48 km away · felt by 1
44. 2.09km NE of Aguanga, CASun, Apr 25, 2:29 AM PDT · 1988 days ago · 6 km deep · 31 km away · felt by 1
45. 1.610km SSW of Idyllwild, CASun, Apr 25, 2:57 PM PDT · 1988 days ago · 14 km deep · 34 km away
46. 2.14km NE of Running Springs, CASun, Apr 25, 7:25 PM PDT · 1987 days ago · 2 km deep · 98 km away · felt by 3
47. 1.610km NNE of Ocotillo Wells, CASun, Apr 25, 8:24 PM PDT · 1987 days ago · 7 km deep · 48 km away
48. 1.610km SSW of Idyllwild, CASun, Apr 25, 9:51 PM PDT · 1987 days ago · 14 km deep · 34 km away
49. 1.714km WNW of Calipatria, CAMon, Apr 26, 12:28 AM PDT · 1987 days ago · 3 km deep · 84 km away
50. 2.114km WNW of Calipatria, CAMon, Apr 26, 1:09 AM PDT · 1987 days ago · 3 km deep · 84 km away
51. 1.610km NE of Aguanga, CAMon, Apr 26, 4:39 PM PDT · 1987 days ago · 3 km deep · 30 km away
52. 1.811km NE of Julian, CAMon, Apr 26, 10:25 PM PDT · 1986 days ago · 8 km deep · 40 km away
53. 2.09km NE of Aguanga, CATue, Apr 27, 2:50 AM PDT · 1986 days ago · 3 km deep · 31 km away
54. 1.916km NE of Indio, CATue, Apr 27, 4:43 AM PDT · 1986 days ago · 2 km deep · 48 km away
55. 2.016km NE of Indio, CATue, Apr 27, 9:49 AM PDT · 1986 days ago · 2 km deep · 48 km away
56. 1.93km NE of Lake Henshaw, CATue, Apr 27, 3:51 PM PDT · 1986 days ago · 5 km deep · 38 km away
57. 1.59km N of Banning, CATue, Apr 27, 11:41 PM PDT · 1985 days ago · 15 km deep · 67 km away
58. 1.610km S of Borrego Springs, CAWed, Apr 28, 2:35 AM PDT · 1985 days ago · 6 km deep · 39 km away
59. 3.510km S of Borrego Springs, CAWed, Apr 28, 3:50 AM PDT · 1985 days ago · 7 km deep · 39 km away · felt by 283
60. 1.59km S of Banning, CAWed, Apr 28, 11:13 AM PDT · 1985 days ago · 13 km deep · 54 km away

The first 60 of 199.

Before

1. 1.514km E of Borrego Springs, CAFri, Apr 9, 6:20 AM PDT · 2004 days ago · 3 km deep · 33 km away
2. 3.12km N of Cabazon, CAThu, Apr 8, 5:33 PM PDT · 2005 days ago · 15 km deep · 56 km away · felt by 68
3. 1.67km NE of Banning, CAThu, Apr 8, 1:05 PM PDT · 2005 days ago · 9 km deep · 62 km away
4. 1.66km NNW of San Jacinto, CAThu, Apr 8, 4:30 AM PDT · 2005 days ago · 12 km deep · 61 km away
5. 2.86km NW of San Jacinto, CAThu, Apr 8, 4:19 AM PDT · 2005 days ago · 12 km deep · 61 km away · felt by 48
6. 1.821km NNW of Borrego Springs, CAWed, Apr 7, 11:07 PM PDT · 2005 days ago · 6 km deep · 8 km away
7. 1.527km N of Yucca Valley, CAWed, Apr 7, 6:08 PM PDT · 2006 days ago · 5 km deep · 95 km away
8. 1.68km E of Cabazon, CAWed, Apr 7, 4:52 PM PDT · 2006 days ago · 14 km deep · 52 km away
9. 1.74km NNW of Yucca Valley, CAWed, Apr 7, 2:33 PM PDT · 2006 days ago · 5 km deep · 72 km away
10. 1.84km NNW of Yucca Valley, CAWed, Apr 7, 2:22 PM PDT · 2006 days ago · 6 km deep · 71 km away
11. 1.86km NW of San Jacinto, CAWed, Apr 7, 3:09 AM PDT · 2006 days ago · 13 km deep · 61 km away
12. 2.07km E of Cabazon, CATue, Apr 6, 11:46 PM PDT · 2006 days ago · 14 km deep · 52 km away
13. 2.16km NNE of Westmorland, CATue, Apr 6, 6:57 PM PDT · 2006 days ago · 10 km deep · 92 km away
14. 1.89km NE of Aguanga, CATue, Apr 6, 6:41 AM PDT · 2007 days ago · 3 km deep · 30 km away
15. 2.316km ESE of Julian, CAMon, Apr 5, 8:04 PM PDT · 2007 days ago · 7 km deep · 53 km away · felt by 1
16. 2.014km SE of Anza, CAMon, Apr 5, 9:08 AM PDT · 2008 days ago · 11 km deep · 12 km away · felt by 5
17. 1.94km SW of Salton City, CASun, Apr 4, 3:08 PM PDT · 2009 days ago · 5 km deep · 51 km away
18. 3.34km N of Beaumont, CASun, Apr 4, 2:14 PM PDT · 2009 days ago · 13 km deep · 70 km away · felt by 145
19. 1.54km N of Beaumont, CASun, Apr 4, 2:14 PM PDT · 2009 days ago · 14 km deep · 70 km away
20. 1.914km WNW of Anza, CASat, Apr 3, 2:53 AM PDT · 2010 days ago · 5 km deep · 34 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci39844840. Read Sun, Oct 4, 2026, 1:17 PM UTC.