M1.7 earthquake 3km WNW of Devore, CA

Magnitude

1.7 (mc), micro

Local time

Wed, Jul 21, 1982, 8:07 AM PDT

UTC

1982-07-21 15:07:21 UTC

Depth

14.4 km (9.0 mi), shallow

Epicenter

34.228° N, 117.430° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

100°

Stations used

0

• Lytle Creek, CaliforniaPopulation 701. Forecast7 kmESE
• Muscoy, CaliforniaPopulation 10,644. Forecast11 kmNW
• Rialto, CaliforniaPopulation 103,132. Forecast15 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast77 kmENE

After

1. 2.19km SW of Lytle Creek, CAWed, Jul 21, 3:39 PM PDT · 16134 days ago · 7 km deep · 14 km away
2. 2.31km SE of Lennox, CAWed, Jul 21, 5:04 PM PDT · 16134 days ago · 2 km deep · 90 km away
3. 1.54km ESE of Wildomar, CAThu, Jul 22, 12:30 PM PDT · 16134 days ago · 9 km deep · 73 km away
4. 1.93km N of Moreno Valley, CAFri, Jul 23, 5:22 AM PDT · 16133 days ago · 12 km deep · 36 km away
5. 1.83km NW of Wrightwood, CAFri, Jul 23, 6:09 AM PDT · 16133 days ago · 9 km deep · 27 km away
6. 2.19km NNW of Banning, CAFri, Jul 23, 11:03 AM PDT · 16133 days ago · 18 km deep · 54 km away
7. 1.813km WNW of Anza, CAFri, Jul 23, 12:03 PM PDT · 16133 days ago · 12 km deep · 91 km away
8. 2.838km WSW of Ludlow, CAFri, Jul 23, 2:09 PM PDT · 16133 days ago · 5 km deep · 91 km away
9. 1.69km NNW of Anza, CASat, Jul 24, 2:53 AM PDT · 16132 days ago · 14 km deep · 95 km away
10. 1.69km NNW of Anza, CASat, Jul 24, 2:53 AM PDT · 16132 days ago · 13 km deep · 95 km away
11. 1.84km WNW of Aguanga, CASat, Jul 24, 5:09 AM PDT · 16132 days ago · 8 km deep · 99 km away
12. 2.34km WNW of Aguanga, CASat, Jul 24, 5:28 AM PDT · 16132 days ago · 8 km deep · 99 km away
13. 1.914km N of Barstow, CASat, Jul 24, 8:21 AM PDT · 16132 days ago · 7 km deep · 97 km away
14. 1.95km SE of Loma Linda, CASat, Jul 24, 8:48 AM PDT · 16132 days ago · 17 km deep · 31 km away
15. 1.510km WNW of Garnet, CASat, Jul 24, 11:48 AM PDT · 16132 days ago · 15 km deep · 79 km away
16. 1.64km SSE of Garnet, CASat, Jul 24, 3:32 PM PDT · 16131 days ago · 14 km deep · 92 km away
17. 1.83km ESE of Loma Linda, CASun, Jul 25, 4:23 AM PDT · 16131 days ago · 15 km deep · 28 km away
18. 1.98km ENE of Lake Arrowhead, CASun, Jul 25, 8:31 AM PDT · 16131 days ago · 1 km deep · 29 km away
19. 1.71km E of Winchester, CASun, Jul 25, 6:47 PM PDT · 16130 days ago · 10 km deep · 66 km away
20. 1.98km NE of Barstow, CASun, Jul 25, 9:24 PM PDT · 16130 days ago · 5 km deep · 91 km away
21. 1.71km WNW of Fontana, CAMon, Jul 26, 4:36 AM PDT · 16130 days ago · 4 km deep · 15 km away
22. 2.513km ESE of Lucerne Valley, CAMon, Jul 26, 5:11 AM PDT · 16130 days ago · 6 km deep · 59 km away
23. 1.838km SW of Ludlow, CATue, Jul 27, 1:24 AM PDT · 16129 days ago · 5 km deep · 91 km away
24. 2.28km WSW of Corona, CATue, Jul 27, 2:29 AM PDT · 16129 days ago · 3 km deep · 48 km away
25. 1.76km SSW of Redlands, CAWed, Jul 28, 1:13 AM PDT · 16128 days ago · 14 km deep · 33 km away
26. 1.92km NNE of Muscoy, CAWed, Jul 28, 2:01 AM PDT · 16128 days ago · 2 km deep · 11 km away
27. 1.82km SE of Colton, CAWed, Jul 28, 3:52 AM PDT · 16128 days ago · 14 km deep · 22 km away
28. 1.95km SE of Loma Linda, CAWed, Jul 28, 12:00 PM PDT · 16128 days ago · 16 km deep · 30 km away
29. 1.67km ENE of Lake Arrowhead, CAWed, Jul 28, 1:47 PM PDT · 16128 days ago · 1 km deep · 29 km away
30. 2.18km NE of Barstow, CAFri, Jul 30, 1:49 AM PDT · 16126 days ago · 5 km deep · 92 km away
31. 1.78km NNE of Running Springs, CASat, Jul 31, 6:12 AM PDT · 16125 days ago · 2 km deep · 33 km away
32. 1.518km NW of Yucca Valley, CASat, Jul 31, 9:58 AM PDT · 16125 days ago · 7 km deep · 78 km away
33. 1.72km NW of San Bernardino, CASat, Jul 31, 1:49 PM PDT · 16125 days ago · 7 km deep · 15 km away
34. 2.13km SSE of Yorba Linda, CASat, Jul 31, 4:42 PM PDT · 16124 days ago · 7 km deep · 53 km away
35. 1.612km N of Big Bear City, CASun, Aug 1, 5:03 AM PDT · 16124 days ago · 3 km deep · 56 km away
36. 1.75km ENE of Cabazon, CAMon, Aug 2, 8:45 AM PDT · 16123 days ago · 16 km deep · 71 km away
37. 1.66km SE of Ontario, CATue, Aug 3, 6:18 PM PDT · 16121 days ago · 5 km deep · 26 km away
38. 1.910km SSW of Idyllwild, CAWed, Aug 4, 2:09 PM PDT · 16121 days ago · 13 km deep · 87 km away
39. 1.613km NNE of Cabazon, CAWed, Aug 4, 2:32 PM PDT · 16120 days ago · 17 km deep · 69 km away
40. 2.04km ESE of Running Springs, CAThu, Aug 5, 3:37 AM PDT · 16120 days ago · 1 km deep · 34 km away
41. 1.74km SE of Running Springs, CAThu, Aug 5, 11:32 AM PDT · 16120 days ago · 0 km deep · 33 km away
42. 1.840km ENE of Lucerne Valley, CAFri, Aug 6, 4:16 PM PDT · 16118 days ago · 5 km deep · 88 km away
43. 2.38km NE of North Tustin, CASat, Aug 7, 6:33 PM PDT · 16117 days ago · 11 km deep · 54 km away
44. 2.09km E of Villa Park, CASat, Aug 7, 7:01 PM PDT · 16117 days ago · 10 km deep · 53 km away
45. 2.118km NW of Yucca Valley, CASat, Aug 7, 10:23 PM PDT · 16117 days ago · 7 km deep · 77 km away
46. 1.62km SSE of Loma Linda, CASun, Aug 8, 8:04 AM PDT · 16117 days ago · 18 km deep · 27 km away
47. 1.95km W of Anza, CASun, Aug 8, 10:24 PM PDT · 16116 days ago · 3 km deep · 99 km away
48. 1.64km W of Anza, CAMon, Aug 9, 2:30 PM PDT · 16115 days ago · 4 km deep · 100 km away
49. 1.99km SSE of Llano, CAMon, Aug 9, 4:18 PM PDT · 16115 days ago · 8 km deep · 36 km away
50. 2.29km SSE of Llano, CAMon, Aug 9, 4:27 PM PDT · 16115 days ago · 6 km deep · 36 km away
51. 1.536km NNW of Joshua Tree, CAMon, Aug 9, 4:53 PM PDT · 16115 days ago · 2 km deep · 94 km away
52. 2.07km WNW of San Jacinto, CAMon, Aug 9, 6:24 PM PDT · 16115 days ago · 13 km deep · 59 km away
53. 1.84km S of Anaheim, CATue, Aug 10, 12:41 AM PDT · 16115 days ago · 5 km deep · 64 km away
54. 1.97km SSW of Pearblossum, CATue, Aug 10, 7:17 AM PDT · 16115 days ago · 10 km deep · 53 km away
55. 1.95km NNW of Mira Loma, CATue, Aug 10, 6:35 PM PDT · 16114 days ago · 9 km deep · 23 km away
56. 2.13km S of Idyllwild, CATue, Aug 10, 11:19 PM PDT · 16114 days ago · 14 km deep · 87 km away
57. 2.310km SSW of Agua Dulce, CAWed, Aug 11, 12:50 PM PDT · 16114 days ago · 5 km deep · 88 km away
58. 1.65km N of Moreno Valley, CAWed, Aug 11, 7:06 PM PDT · 16113 days ago · 12 km deep · 34 km away
59. 2.04km NE of San Bernardino, CAThu, Aug 12, 4:26 AM PDT · 16113 days ago · 2 km deep · 17 km away
60. 2.14km NE of San Bernardino, CAThu, Aug 12, 4:32 AM PDT · 16113 days ago · 2 km deep · 17 km away

The first 60 of 162.

Before

1. 1.84km SSW of Idyllwild, CAWed, Jul 21, 3:50 AM PDT · 16135 days ago · 17 km deep · 87 km away
2. 1.88km N of Cabazon, CATue, Jul 20, 5:12 PM PDT · 16135 days ago · 18 km deep · 66 km away
3. 2.94km N of Villa Park, CASun, Jul 18, 4:25 AM PDT · 16138 days ago · 5 km deep · 55 km away
4. 1.95km SSW of Redlands, CASun, Jul 18, 2:37 AM PDT · 16138 days ago · 15 km deep · 31 km away
5. 1.811km SE of Valle Vista, CASun, Jul 18, 2:08 AM PDT · 16138 days ago · 13 km deep · 83 km away
6. 1.95km NE of Moreno Valley, CASun, Jul 18, 12:18 AM PDT · 16138 days ago · 13 km deep · 37 km away
7. 2.74km NW of Anza, CASat, Jul 17, 4:59 PM PDT · 16138 days ago · 5 km deep · 98 km away
8. 2.42km NNE of Grand Terrace, CAWed, Jul 14, 5:51 AM PDT · 16142 days ago · 17 km deep · 23 km away
9. 1.79km WSW of Beaumont, CAWed, Jul 14, 4:03 AM PDT · 16142 days ago · 16 km deep · 51 km away
10. 2.210km NNW of Big Bear Lake, CATue, Jul 13, 10:54 AM PDT · 16143 days ago · 2 km deep · 44 km away
11. 1.912km SW of Morongo Valley, CAMon, Jul 12, 9:16 PM PDT · 16143 days ago · 17 km deep · 75 km away
12. 1.86km NW of Mira Loma, CAMon, Jul 12, 3:42 PM PDT · 16143 days ago · 8 km deep · 26 km away
13. 2.32km NW of San Bernardino, CAMon, Jul 12, 11:15 AM PDT · 16144 days ago · 8 km deep · 14 km away
14. 2.09km SW of Lytle Creek, CAMon, Jul 12, 9:52 AM PDT · 16144 days ago · 9 km deep · 13 km away
15. 2.13km WSW of Huntington Beach, CASun, Jul 11, 6:25 PM PDT · 16144 days ago · 6 km deep · 83 km away
16. 3.33km E of Yucca Valley, CASun, Jul 11, 6:06 PM PDT · 16144 days ago · 2 km deep · 96 km away
17. 2.42km NW of San Bernardino, CASun, Jul 11, 2:53 PM PDT · 16144 days ago · 7 km deep · 14 km away
18. 2.07km NNW of Fontana, CASun, Jul 11, 2:52 PM PDT · 16144 days ago · 3 km deep · 10 km away
19. 1.56km NNW of Garnet, CASun, Jul 11, 7:03 AM PDT · 16145 days ago · 10 km deep · 84 km away
20. 2.035km SW of Ludlow, CASun, Jul 11, 6:29 AM PDT · 16145 days ago · 0 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci505571. Read Wed, Sep 23, 2026, 8:44 AM UTC.