M1.7 earthquake 1km ENE of Walnut, CA

Magnitude

1.7 (mc), micro

Local time

Mon, Oct 11, 1982, 10:27 PM PDT

UTC

1982-10-12 05:27:28 UTC

Depth

4.8 km (3.0 mi), shallow

Epicenter

34.025° N, 117.855° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

220°, poorly surrounded by stations

Stations used

0

• Walnut, CaliforniaPopulation 30,237. Forecast1 kmENE
• West Covina, CaliforniaPopulation 108,484. Forecast9 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast36 kmE

After

1. 2.04km NW of Diamond Bar, CAMon, Oct 11, 10:27 PM PDT · 16052 days ago · 11 km deep · 4 km away
2. 1.94km S of Charter Oak, CAMon, Oct 11, 10:28 PM PDT · 16052 days ago · 14 km deep · 5 km away
3. 1.68km WSW of Lucerne Valley, CATue, Oct 12, 7:05 AM PDT · 16051 days ago · 4 km deep · 86 km away
4. 2.68km WSW of Pinon Hills, CATue, Oct 12, 12:02 PM PDT · 16051 days ago · 1 km deep · 44 km away
5. 1.613km N of Bradbury, CAWed, Oct 13, 2:13 AM PDT · 16050 days ago · 10 km deep · 28 km away
6. 1.98km WSW of Pinon Hills, CAWed, Oct 13, 3:29 AM PDT · 16050 days ago · 2 km deep · 44 km away
7. 2.08km WSW of Pinon Hills, CAWed, Oct 13, 5:57 AM PDT · 16050 days ago · 2 km deep · 44 km away
8. 2.61km SE of West Hills, CAWed, Oct 13, 5:51 PM PDT · 16050 days ago · 1 km deep · 74 km away
9. 2.24km WSW of Lucerne Valley, CAWed, Oct 13, 9:49 PM PDT · 16050 days ago · 2 km deep · 89 km away
10. 2.711km W of Corona, CAThu, Oct 14, 5:26 AM PDT · 16049 days ago · 5 km deep · 22 km away
11. 2.311km N of Banning, CAThu, Oct 14, 8:44 PM PDT · 16049 days ago · 18 km deep · 90 km away
12. 1.64km WSW of Lucerne Valley, CAThu, Oct 14, 9:26 PM PDT · 16049 days ago · 3 km deep · 89 km away
13. 3.30km NNE of West Hills, CAFri, Oct 15, 2:57 AM PDT · 16048 days ago · 3 km deep · 75 km away
14. 2.510km NNE of Lake Arrowhead, CAFri, Oct 15, 7:06 AM PDT · 16048 days ago · 5 km deep · 72 km away
15. 2.04km NNW of Pacoima, CAFri, Oct 15, 12:41 PM PDT · 16048 days ago · 6 km deep · 64 km away
16. 2.55km N of Banning, CASat, Oct 16, 2:32 PM PDT · 16047 days ago · 17 km deep · 90 km away
17. 1.66km N of Banning, CASat, Oct 16, 2:40 PM PDT · 16047 days ago · 22 km deep · 90 km away
18. 2.14km S of Ladera Ranch, CASun, Oct 17, 4:07 PM PDT · 16046 days ago · 12 km deep · 58 km away
19. 1.96km NNE of Moreno Valley, CASun, Oct 17, 6:22 PM PDT · 16046 days ago · 11 km deep · 60 km away
20. 1.85km NNE of Moreno Valley, CASun, Oct 17, 9:30 PM PDT · 16046 days ago · 13 km deep · 60 km away
21. 2.37km SSW of San Pedro, CASun, Oct 17, 10:56 PM PDT · 16046 days ago · 6 km deep · 58 km away
22. 2.63km WSW of Rossmoor, CAMon, Oct 18, 12:23 PM PDT · 16045 days ago · 5 km deep · 36 km away
23. 1.74km NE of Banning, CAMon, Oct 18, 5:02 PM PDT · 16045 days ago · 8 km deep · 94 km away
24. 1.63km SE of Beaumont, CAMon, Oct 18, 10:06 PM PDT · 16045 days ago · 14 km deep · 84 km away
25. 2.69km W of Malibu, CATue, Oct 19, 3:27 PM PDT · 16044 days ago · 12 km deep · 97 km away
26. 1.92km SW of Loma Linda, CATue, Oct 19, 8:48 PM PDT · 16044 days ago · 14 km deep · 53 km away
27. 1.64km ENE of Lake Arrowhead, CAWed, Oct 20, 3:45 PM PDT · 16043 days ago · 5 km deep · 70 km away
28. 2.54km WSW of Lucerne Valley, CAWed, Oct 20, 5:59 PM PDT · 16043 days ago · 4 km deep · 89 km away
29. 2.16km SE of Carson, CAFri, Oct 22, 3:18 AM PDT · 16041 days ago · 5 km deep · 43 km away
30. 2.24km W of Signal Hill, CAFri, Oct 22, 10:17 PM PDT · 16041 days ago · 1 km deep · 41 km away
31. 2.013km NE of Lake Arrowhead, CASat, Oct 23, 10:00 AM PDT · 16040 days ago · 4 km deep · 78 km away
32. 2.13km SW of Castaic, CASat, Oct 23, 4:19 PM PDT · 16040 days ago · 13 km deep · 88 km away
33. 2.210km E of Santa Clarita, CAMon, Oct 25, 9:28 PM PDT · 16038 days ago · 9 km deep · 66 km away
34. 1.56km NNE of Moreno Valley, CATue, Oct 26, 6:22 AM PDT · 16037 days ago · 12 km deep · 60 km away
35. 1.63km ENE of Colton, CATue, Oct 26, 6:40 PM PDT · 16037 days ago · 13 km deep · 53 km away
36. 2.22km WSW of Willowbrook, CAWed, Oct 27, 2:53 AM PDT · 16036 days ago · 5 km deep · 41 km away
37. 2.70km SSE of Compton, CAWed, Oct 27, 3:21 AM PDT · 16036 days ago · 12 km deep · 37 km away
38. 1.818km N of Banning, CAWed, Oct 27, 7:20 PM PDT · 16036 days ago · 3 km deep · 93 km away
39. 2.76km ENE of Nuevo, CAThu, Oct 28, 2:40 AM PDT · 16035 days ago · 16 km deep · 74 km away
40. 1.65km W of Yucaipa, CAThu, Oct 28, 2:32 PM PDT · 16035 days ago · 17 km deep · 70 km away
41. 1.75km N of Banning, CAFri, Oct 29, 8:03 PM PDT · 16034 days ago · 18 km deep · 91 km away
42. 2.33km SE of Loma Linda, CASat, Oct 30, 5:52 AM PDT · 16033 days ago · 18 km deep · 57 km away
43. 1.93km NNW of Colton, CASat, Oct 30, 11:15 AM PDT · 16033 days ago · 17 km deep · 50 km away
44. 2.49km N of Lake Arrowhead, CASun, Oct 31, 3:38 AM PST · 16032 days ago · 4 km deep · 69 km away
45. 2.118km N of Banning, CASun, Oct 31, 4:58 AM PST · 16032 days ago · 1 km deep · 93 km away
46. 1.617km N of Banning, CASun, Oct 31, 4:18 PM PST · 16032 days ago · 0 km deep · 93 km away
47. 2.45km WSW of Lucerne Valley, CATue, Nov 2, 11:36 AM PST · 16030 days ago · 6 km deep · 89 km away
48. 1.97km ENE of Villa Park, CAWed, Nov 3, 6:53 PM PST · 16029 days ago · 5 km deep · 24 km away
49. 1.810km SW of Valencia, CAThu, Nov 4, 2:21 AM PST · 16028 days ago · 20 km deep · 85 km away
50. 2.42km ENE of Fullerton, CAThu, Nov 4, 8:13 AM PST · 16028 days ago · 5 km deep · 16 km away
51. 2.09km NE of Lake Arrowhead, CAThu, Nov 4, 10:24 AM PST · 16028 days ago · 7 km deep · 75 km away
52. 1.93km SE of Yucaipa, CAFri, Nov 5, 5:17 PM PST · 16027 days ago · 18 km deep · 77 km away
53. 2.65km W of Signal Hill, CAFri, Nov 5, 11:37 PM PST · 16027 days ago · 3 km deep · 42 km away
54. 2.38km SSW of Lytle Creek, CASun, Nov 7, 5:53 PM PST · 16025 days ago · 8 km deep · 35 km away
55. 1.66km NNW of Banning, CASun, Nov 7, 11:05 PM PST · 16025 days ago · 20 km deep · 88 km away
56. 1.88km SSW of Big Bear Lake, CAMon, Nov 8, 12:19 AM PST · 16025 days ago · 12 km deep · 85 km away
57. 1.84km W of Devore, CAMon, Nov 8, 12:42 PM PST · 16024 days ago · 13 km deep · 44 km away
58. 2.123km NE of Lake Los Angeles, CAMon, Nov 8, 7:36 PM PST · 16024 days ago · 10 km deep · 84 km away
59. 1.74km NE of Banning, CATue, Nov 9, 2:40 AM PST · 16023 days ago · 7 km deep · 93 km away
60. 2.54km SSE of Long Beach, CATue, Nov 9, 6:04 AM PST · 16023 days ago · 2 km deep · 39 km away

The first 60 of 115.

Before

1. 1.94km SSE of Charter Oak, CAMon, Oct 11, 8:05 PM PDT · 16052 days ago · 14 km deep · 5 km away
2. 2.64km SSE of Charter Oak, CAMon, Oct 11, 7:30 PM PDT · 16052 days ago · 13 km deep · 5 km away
3. 1.64km WNW of Fontana, CAMon, Oct 11, 5:57 PM PDT · 16052 days ago · 15 km deep · 34 km away
4. 1.93km SE of Redlands, CASun, Oct 10, 11:38 PM PDT · 16053 days ago · 11 km deep · 64 km away
5. 1.78km WSW of Lucerne Valley, CASun, Oct 10, 6:15 AM PDT · 16053 days ago · -1 km deep · 86 km away
6. 1.94km N of Lake View Terrace, CAThu, Oct 7, 4:38 PM PDT · 16056 days ago · 9 km deep · 57 km away
7. 2.33km NE of Granada Hills, CAWed, Oct 6, 5:13 PM PDT · 16057 days ago · 9 km deep · 65 km away
8. 1.63km SW of Banning, CAWed, Oct 6, 2:27 PM PDT · 16057 days ago · 13 km deep · 89 km away
9. 2.24km SE of Santa Clarita, CATue, Oct 5, 7:28 PM PDT · 16058 days ago · 15 km deep · 70 km away
10. 2.43km WSW of Malibu, CATue, Oct 5, 9:10 AM PDT · 16058 days ago · 13 km deep · 91 km away
11. 2.56km NE of Nuevo, CATue, Oct 5, 8:21 AM PDT · 16058 days ago · 14 km deep · 72 km away
12. 2.321km NNE of Avalon, CAMon, Oct 4, 9:38 PM PDT · 16059 days ago · 6 km deep · 68 km away
13. 1.78km SSW of Beaumont, CAThu, Sep 30, 11:14 PM PDT · 16063 days ago · 4 km deep · 78 km away
14. 1.88km W of Adelanto, CAThu, Sep 30, 4:26 PM PDT · 16063 days ago · 5 km deep · 71 km away
15. 1.82km NNW of Rancho Cucamonga, CAThu, Sep 30, 8:16 AM PDT · 16063 days ago · 11 km deep · 28 km away
16. 2.24km SSW of Palmdale, CAThu, Sep 30, 2:18 AM PDT · 16063 days ago · 10 km deep · 63 km away
17. 1.84km NE of Banning, CAWed, Sep 29, 12:57 AM PDT · 16065 days ago · 6 km deep · 94 km away
18. 2.74km N of Moreno Valley, CAMon, Sep 27, 9:03 AM PDT · 16066 days ago · 11 km deep · 58 km away
19. 2.14km NNW of Villa Park, CASun, Sep 26, 4:18 AM PDT · 16067 days ago · 5 km deep · 20 km away
20. 2.41km NNW of Los Alamitos, CASat, Sep 25, 6:00 PM PDT · 16068 days ago · 5 km deep · 31 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci508841. Read Tue, Sep 22, 2026, 7:50 PM UTC.