M2.2 earthquake 8 km NNE of Arbuckle, California

Magnitude

2.2 (md), micro

Local time

Fri, May 31, 1985, 5:38 PM PDT

UTC

1985-06-01 00:38:56 UTC

Depth

4.5 km (2.8 mi), shallow

Epicenter

39.087° N, 122.011° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 4.3 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

157°

Stations used

8

• Arbuckle, CaliforniaPopulation 3,028. Forecast9 kmNNE
• South Yuba City, CaliforniaPopulation 15,217. Forecast32 kmW
• Sacramento, CaliforniaPopulation 524,943. Forecast72 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast653 kmNNW

After

1. 1.96 km W of Meridian, CaliforniaFri, May 31, 5:48 PM PDT · 15096 days ago · 5 km deep · 7 km away
2. 1.67 km SSW of Colusa, CaliforniaSat, Jun 1, 6:56 AM PDT · 15096 days ago · 5 km deep · 8 km away
3. 1.88 km W of Cobb, CaliforniaSat, Jun 1, 7:55 AM PDT · 15096 days ago · 1 km deep · 76 km away
4. 2.48 km W of Cobb, CaliforniaSat, Jun 1, 10:50 AM PDT · 15096 days ago · 1 km deep · 76 km away
5. 2.610 km WSW of Cobb, CaliforniaSat, Jun 1, 11:49 AM PDT · 15095 days ago · 2 km deep · 78 km away
6. 1.77 km NE of Clearlake, CaliforniaSat, Jun 1, 4:45 PM PDT · 15095 days ago · 1 km deep · 48 km away
7. 1.87 km W of Cobb, CaliforniaSun, Jun 2, 4:03 AM PDT · 15095 days ago · 0 km deep · 76 km away
8. 1.65 km W of Lower Lake, CaliforniaSun, Jun 2, 8:29 PM PDT · 15094 days ago · 4 km deep · 61 km away
9. 1.86 km W of Lower Lake, CaliforniaSun, Jun 2, 10:18 PM PDT · 15094 days ago · 4 km deep · 61 km away
10. 1.65km WNW of Lakeport, CASun, Jun 2, 10:24 PM PDT · 15094 days ago · 24 km deep · 82 km away
11. 1.78 km W of Cobb, CaliforniaMon, Jun 3, 1:39 AM PDT · 15094 days ago · 0 km deep · 76 km away
12. 2.07 km WNW of Arbuckle, CaliforniaMon, Jun 3, 2:27 AM PDT · 15094 days ago · 4 km deep · 12 km away
13. 2.210 km NNE of Hopland, CaliforniaMon, Jun 3, 3:18 AM PDT · 15094 days ago · 5 km deep · 91 km away
14. 2.010 km NNE of Hopland, CaliforniaMon, Jun 3, 3:23 AM PDT · 15094 days ago · 5 km deep · 91 km away
15. 2.44 km S of Oroville East, CaliforniaMon, Jun 3, 11:40 AM PDT · 15093 days ago · 2 km deep · 62 km away
16. 2.27 km W of Cobb, CaliforniaMon, Jun 3, 1:49 PM PDT · 15093 days ago · 0 km deep · 76 km away
17. 1.66 km W of Cobb, CaliforniaTue, Jun 4, 3:41 AM PDT · 15093 days ago · 4 km deep · 74 km away
18. 1.722 km NE of Potter Valley, CaliforniaTue, Jun 4, 12:29 PM PDT · 15092 days ago · 7 km deep · 89 km away
19. 1.65 km SW of Cobb, CaliforniaTue, Jun 4, 3:06 PM PDT · 15092 days ago · 1 km deep · 73 km away
20. 1.89 km S of Hopland, CaliforniaTue, Jun 4, 6:54 PM PDT · 15092 days ago · 5 km deep · 100 km away
21. 2.24 km SW of Cobb, CaliforniaTue, Jun 4, 10:34 PM PDT · 15092 days ago · 1 km deep · 73 km away
22. 2.38 km E of Williams, CaliforniaWed, Jun 5, 3:52 AM PDT · 15092 days ago · 17 km deep · 7 km away
23. 1.66 km WSW of Cobb, CaliforniaWed, Jun 5, 10:41 AM PDT · 15092 days ago · 1 km deep · 74 km away
24. 2.014 km N of Upper Lake, CaliforniaWed, Jun 5, 1:20 PM PDT · 15091 days ago · -1 km deep · 82 km away
25. 1.76 km W of Cobb, CaliforniaThu, Jun 6, 1:00 AM PDT · 15091 days ago · 3 km deep · 75 km away
26. 1.75 km WSW of Cobb, CaliforniaThu, Jun 6, 3:12 AM PDT · 15091 days ago · 0 km deep · 74 km away
27. 1.68 km WSW of Cobb, CaliforniaThu, Jun 6, 4:30 AM PDT · 15091 days ago · 3 km deep · 76 km away
28. 2.07 km NNE of Arbuckle, CaliforniaThu, Jun 6, 4:14 PM PDT · 15090 days ago · 8 km deep · 1 km away
29. 1.65 km NE of College City, CaliforniaThu, Jun 6, 6:30 PM PDT · 15090 days ago · 4 km deep · 7 km away
30. 1.79 km NW of Cobb, CaliforniaThu, Jun 6, 8:38 PM PDT · 15090 days ago · 1 km deep · 73 km away
31. 2.09 km ESE of Williams, CaliforniaFri, Jun 7, 11:57 AM PDT · 15089 days ago · 5 km deep · 5 km away
32. 2.26 km W of Cobb, CaliforniaFri, Jun 7, 12:28 PM PDT · 15089 days ago · 2 km deep · 75 km away
33. 1.66 km W of Cobb, CaliforniaFri, Jun 7, 12:28 PM PDT · 15089 days ago · 2 km deep · 75 km away
34. 1.66 km W of Cobb, CaliforniaFri, Jun 7, 6:43 PM PDT · 15089 days ago · 0 km deep · 74 km away
35. 1.98 km W of Cobb, CaliforniaFri, Jun 7, 9:47 PM PDT · 15089 days ago · 0 km deep · 75 km away
36. 1.910 km N of Arbuckle, CaliforniaSat, Jun 8, 8:07 AM PDT · 15089 days ago · 7 km deep · 3 km away
37. 1.56 km W of Cobb, CaliforniaSun, Jun 9, 1:16 AM PDT · 15088 days ago · 3 km deep · 75 km away
38. 1.85 km SW of Cobb, CaliforniaSun, Jun 9, 12:41 PM PDT · 15087 days ago · 0 km deep · 74 km away
39. 1.75 km SW of Cobb, CaliforniaMon, Jun 10, 1:11 PM PDT · 15086 days ago · 1 km deep · 74 km away
40. 1.67 km WSW of Cobb, CaliforniaMon, Jun 10, 5:37 PM PDT · 15086 days ago · 1 km deep · 75 km away
41. 1.65 km W of Cobb, CaliforniaTue, Jun 11, 1:10 PM PDT · 15085 days ago · 1 km deep · 73 km away
42. 1.66 km W of Cobb, CaliforniaTue, Jun 11, 9:24 PM PDT · 15085 days ago · 2 km deep · 74 km away
43. 1.67 km NNE of Hopland, CaliforniaTue, Jun 11, 11:46 PM PDT · 15085 days ago · 0 km deep · 93 km away
44. 2.3Northern CaliforniaWed, Jun 12, 8:38 AM PDT · 15085 days ago · 5 km deep · 93 km away
45. 3.16 km W of Cobb, CaliforniaWed, Jun 12, 6:53 PM PDT · 15084 days ago · 1 km deep · 75 km away
46. 1.56 km W of Cobb, CaliforniaWed, Jun 12, 7:14 PM PDT · 15084 days ago · 1 km deep · 75 km away
47. 2.2Northern CaliforniaWed, Jun 12, 10:34 PM PDT · 15084 days ago · 18 km deep · 8 km away
48. 1.73 km NNW of Hamilton City, CaliforniaThu, Jun 13, 4:00 AM PDT · 15084 days ago · 10 km deep · 76 km away
49. 1.76 km WSW of Colusa, CaliforniaThu, Jun 13, 6:46 PM PDT · 15083 days ago · 13 km deep · 13 km away
50. 1.68 km SW of Clear Lake Riviera, CaliforniaThu, Jun 13, 9:41 PM PDT · 15083 days ago · 2 km deep · 70 km away
51. 2.218 km WSW of Esparto, CaliforniaFri, Jun 14, 1:37 AM PDT · 15083 days ago · 6 km deep · 53 km away
52. 1.87 km W of Cobb, CaliforniaFri, Jun 14, 5:37 PM PDT · 15082 days ago · 1 km deep · 75 km away
53. 1.67 km W of Cobb, CaliforniaFri, Jun 14, 9:19 PM PDT · 15082 days ago · 1 km deep · 75 km away
54. 2.46 km W of Cobb, CaliforniaSat, Jun 15, 12:16 AM PDT · 15082 days ago · 3 km deep · 75 km away
55. 1.66 km W of Cobb, CaliforniaSat, Jun 15, 6:37 AM PDT · 15082 days ago · 3 km deep · 74 km away
56. 1.612 km ENE of Healdsburg, CaliforniaSat, Jun 15, 9:35 AM PDT · 15082 days ago · 4 km deep · 79 km away
57. 2.76 km E of Williams, CaliforniaSat, Jun 15, 9:11 PM PDT · 15081 days ago · 17 km deep · 10 km away
58. 1.511 km E of Hidden Valley Lake, CaliforniaSun, Jun 16, 12:22 AM PDT · 15081 days ago · 8 km deep · 47 km away
59. 2.17 km SSW of Colusa, CaliforniaSun, Jun 16, 3:23 AM PDT · 15081 days ago · 3 km deep · 7 km away
60. 1.88 km WSW of Cobb, CaliforniaSun, Jun 16, 5:39 AM PDT · 15081 days ago · 3 km deep · 77 km away

The first 60 of 183.

Before

1. 1.84 km SSW of Dunnigan, CaliforniaFri, May 31, 12:09 PM PDT · 15096 days ago · 5 km deep · 27 km away
2. 3.5Northern CaliforniaFri, May 31, 11:31 AM PDT · 15096 days ago · 23 km deep · 4 km away
3. 1.86 km SSW of Colusa, CaliforniaFri, May 31, 11:06 AM PDT · 15096 days ago · 5 km deep · 8 km away
4. 2.39 km SSW of Colusa, CaliforniaFri, May 31, 10:09 AM PDT · 15097 days ago · 16 km deep · 5 km away
5. 3.69 km ESE of Williams, CaliforniaFri, May 31, 8:07 AM PDT · 15097 days ago · 13 km deep · 4 km away
6. 2.810 km NNE of Arbuckle, CaliforniaFri, May 31, 5:42 AM PDT · 15097 days ago · 9 km deep · 2 km away
7. 2.16 km E of Williams, CaliforniaFri, May 31, 12:54 AM PDT · 15097 days ago · 22 km deep · 8 km away
8. 2.6Northern CaliforniaThu, May 30, 11:13 PM PDT · 15097 days ago · 1 km deep · 76 km away
9. 2.510 km ESE of Williams, CaliforniaThu, May 30, 8:13 PM PDT · 15097 days ago · 18 km deep · 4 km away
10. 2.19 km WSW of Meridian, CaliforniaThu, May 30, 4:55 PM PDT · 15097 days ago · 5 km deep · 1 km away
11. 2.17 km W of Cobb, CaliforniaThu, May 30, 8:28 AM PDT · 15098 days ago · 3 km deep · 76 km away
12. 1.85 km W of Cobb, CaliforniaThu, May 30, 2:50 AM PDT · 15098 days ago · 1 km deep · 73 km away
13. 1.71 km NNE of Talmage, CaliforniaWed, May 29, 6:38 PM PDT · 15098 days ago · 4 km deep · 100 km away
14. 1.612 km ENE of Upper Lake, CaliforniaWed, May 29, 4:47 PM PDT · 15098 days ago · 9 km deep · 69 km away
15. 2.08 km WSW of Cobb, CaliforniaTue, May 28, 5:11 PM PDT · 15099 days ago · 0 km deep · 76 km away
16. 2.67 km WSW of Cobb, CaliforniaTue, May 28, 5:10 PM PDT · 15099 days ago · 0 km deep · 76 km away
17. 2.23 km SW of Cobb, CaliforniaTue, May 28, 11:18 AM PDT · 15099 days ago · 2 km deep · 72 km away
18. 2.08 km N of Cloverdale, CaliforniaTue, May 28, 7:17 AM PDT · 15100 days ago · 3 km deep · 89 km away
19. 2.64 km W of Meridian, CaliforniaMon, May 27, 1:30 PM PDT · 15100 days ago · 6 km deep · 7 km away
20. 1.57 km W of Cobb, CaliforniaSun, May 26, 9:16 PM PDT · 15101 days ago · 3 km deep · 75 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc48834. Read Wed, Sep 30, 2026, 5:28 AM UTC.