M1.8 earthquake 9 km ESE of Seven Trees, California

Magnitude

1.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, Sep 8, 1985, 6:14 PM PDT

UTC

1985-09-09 01:14:56 UTC

Depth

5.0 km (3.1 mi), shallow

Epicenter

37.239° N, 121.747° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

49°

Stations used

45

• Seven Trees, CaliforniaPopulation 1,788. Forecast10 kmESE
• Communications Hill, CaliforniaPopulation 11,267. Forecast11 kmESE
• San Jose, CaliforniaPopulation 997,368. Forecast17 kmSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast475 kmNW

After

1. 3.29 km NNW of Hollister, CaliforniaMon, Sep 9, 4:07 PM PDT · 14997 days ago · 3 km deep · 44 km away
2. 1.626 km SSW of Tracy, CaliforniaTue, Sep 10, 4:09 AM PDT · 14996 days ago · 0 km deep · 36 km away
3. 2.67 km WNW of Broadmoor, CaliforniaTue, Sep 10, 3:07 PM PDT · 14996 days ago · 8 km deep · 89 km away
4. 2.923 km ENE of Soledad, CaliforniaTue, Sep 10, 11:37 PM PDT · 14995 days ago · 2 km deep · 99 km away
5. 2.523 km ENE of Soledad, CaliforniaTue, Sep 10, 11:38 PM PDT · 14995 days ago · 2 km deep · 99 km away
6. 2.09 km NE of Gilroy, CaliforniaWed, Sep 11, 2:41 AM PDT · 14995 days ago · 8 km deep · 31 km away
7. 1.82 km WSW of Taft Mosswood, CaliforniaWed, Sep 11, 1:07 PM PDT · 14995 days ago · 15 km deep · 84 km away
8. 1.718 km SE of Tres Pinos, CaliforniaThu, Sep 12, 12:04 PM PDT · 14994 days ago · 9 km deep · 81 km away
9. 2.218 km SE of Tres Pinos, CaliforniaThu, Sep 12, 12:08 PM PDT · 14994 days ago · 10 km deep · 81 km away
10. 1.7Northern CaliforniaThu, Sep 12, 1:46 PM PDT · 14994 days ago · 7 km deep · 36 km away
11. 1.9Northern CaliforniaThu, Sep 12, 6:13 PM PDT · 14993 days ago · 4 km deep · 26 km away
12. 2.213 km N of Morgan Hill, CaliforniaThu, Sep 12, 10:05 PM PDT · 14993 days ago · 5 km deep · 10 km away
13. 1.79 km NE of Gilroy, CaliforniaSat, Sep 14, 6:04 PM PDT · 14991 days ago · 8 km deep · 31 km away
14. 2.08 km S of Davenport, CaliforniaSun, Sep 15, 1:27 PM PDT · 14991 days ago · 5 km deep · 53 km away
15. 1.69 km NNW of Hollister, CaliforniaThu, Sep 19, 3:35 AM PDT · 14987 days ago · 5 km deep · 44 km away
16. 1.69 km NNE of Morgan Hill, CaliforniaThu, Sep 19, 8:21 PM PDT · 14986 days ago · 4 km deep · 14 km away
17. 1.620 km SSW of Pescadero, CaliforniaFri, Sep 20, 3:40 AM PDT · 14986 days ago · 2 km deep · 69 km away
18. 1.59 km NNE of San Juan Bautista, CaliforniaFri, Sep 20, 11:08 AM PDT · 14986 days ago · 4 km deep · 43 km away
19. 2.58 km NE of San Martin, CaliforniaFri, Sep 20, 5:30 PM PDT · 14985 days ago · 7 km deep · 23 km away
20. 1.9Northern CaliforniaSat, Sep 21, 8:36 AM PDT · 14985 days ago · 3 km deep · 33 km away
21. 1.65 km SSE of San Juan Bautista, CaliforniaSat, Sep 21, 2:32 PM PDT · 14985 days ago · 7 km deep · 53 km away
22. 1.611 km SW of Brentwood, CaliforniaSat, Sep 21, 9:23 PM PDT · 14984 days ago · 11 km deep · 68 km away
23. 1.56 km ENE of Hollister, CaliforniaMon, Sep 23, 5:28 AM PDT · 14983 days ago · 7 km deep · 54 km away
24. 1.516 km NE of East Foothills, CaliforniaMon, Sep 23, 10:10 PM PDT · 14982 days ago · 8 km deep · 28 km away
25. 3.516 km NE of East Foothills, CaliforniaTue, Sep 24, 12:21 AM PDT · 14982 days ago · 9 km deep · 28 km away
26. 2.5Northern CaliforniaTue, Sep 24, 12:25 AM PDT · 14982 days ago · 8 km deep · 28 km away
27. 1.611 km SW of Brentwood, CaliforniaTue, Sep 24, 7:04 AM PDT · 14982 days ago · 15 km deep · 67 km away
28. 1.816 km NE of East Foothills, CaliforniaTue, Sep 24, 1:07 PM PDT · 14982 days ago · 8 km deep · 28 km away
29. 1.82 km E of North Gate, CaliforniaWed, Sep 25, 7:09 AM PDT · 14981 days ago · 12 km deep · 77 km away
30. 1.810 km ENE of Blackhawk, CaliforniaWed, Sep 25, 4:49 PM PDT · 14980 days ago · 11 km deep · 67 km away
31. 2.310 km N of Hollister, CaliforniaThu, Sep 26, 5:15 AM PDT · 14980 days ago · 9 km deep · 44 km away
32. 1.723 km ENE of Soledad, CaliforniaThu, Sep 26, 7:29 AM PDT · 14980 days ago · 8 km deep · 97 km away
33. 1.62 km E of Rodeo, CaliforniaFri, Sep 27, 11:17 PM PDT · 14978 days ago · 4 km deep · 99 km away
34. 1.916 km E of Seven Trees, CaliforniaSat, Sep 28, 1:02 AM PDT · 14978 days ago · 6 km deep · 9 km away
35. 1.616 km E of Seven Trees, CaliforniaSat, Sep 28, 1:56 AM PDT · 14978 days ago · 5 km deep · 9 km away
36. 2.84 km NE of San Leandro, CaliforniaSun, Sep 29, 1:21 AM PDT · 14977 days ago · 11 km deep · 66 km away
37. 1.76 km NE of East Foothills, CaliforniaSun, Sep 29, 4:11 AM PDT · 14977 days ago · 9 km deep · 21 km away
38. 2.07 km NNE of Interlaken, CaliforniaSun, Sep 29, 7:42 PM PDT · 14976 days ago · 7 km deep · 26 km away
39. 2.622 km NNE of Soledad, CaliforniaMon, Sep 30, 2:02 AM PDT · 14976 days ago · 6 km deep · 86 km away
40. 3.222 km NNE of Soledad, CaliforniaMon, Sep 30, 2:45 AM PDT · 14976 days ago · 7 km deep · 86 km away
41. 1.622 km NNE of Soledad, CaliforniaMon, Sep 30, 3:05 AM PDT · 14976 days ago · 6 km deep · 87 km away
42. 1.922 km NNE of Soledad, CaliforniaMon, Sep 30, 3:17 AM PDT · 14976 days ago · 6 km deep · 86 km away
43. 1.615 km N of Morgan Hill, CaliforniaMon, Sep 30, 4:52 AM PDT · 14976 days ago · 8 km deep · 10 km away
44. 2.311 km SSE of Tres Pinos, CaliforniaMon, Sep 30, 6:04 AM PDT · 14976 days ago · 4 km deep · 74 km away
45. 1.822 km NNE of Soledad, CaliforniaMon, Sep 30, 7:17 AM PDT · 14976 days ago · 6 km deep · 86 km away
46. 2.813 km N of Morgan Hill, CaliforniaMon, Sep 30, 9:45 PM PDT · 14975 days ago · 4 km deep · 10 km away
47. 1.831 km WSW of Davenport, CaliforniaTue, Oct 1, 5:13 AM PDT · 14975 days ago · 3 km deep · 78 km away
48. 1.511 km SSW of Brentwood, CaliforniaWed, Oct 2, 3:17 AM PDT · 14974 days ago · 12 km deep · 67 km away
49. 2.38 km NE of San Juan Bautista, CaliforniaWed, Oct 2, 11:46 AM PDT · 14974 days ago · 5 km deep · 45 km away
50. 1.68 km NE of San Martin, CaliforniaFri, Oct 4, 3:17 AM PDT · 14972 days ago · 6 km deep · 22 km away
51. 2.0Central CaliforniaFri, Oct 4, 1:55 PM PDT · 14972 days ago · 2 km deep · 99 km away
52. 1.716 km NE of East Foothills, CaliforniaSat, Oct 5, 3:24 AM PDT · 14971 days ago · 8 km deep · 28 km away
53. 3.07 km N of Interlaken, CaliforniaSat, Oct 5, 5:18 PM PDT · 14970 days ago · 8 km deep · 24 km away
54. 2.321 km NE of Soledad, CaliforniaSat, Oct 5, 10:30 PM PDT · 14970 days ago · 6 km deep · 88 km away
55. 1.68 km NNE of Interlaken, CaliforniaSun, Oct 6, 1:22 AM PDT · 14970 days ago · 8 km deep · 24 km away
56. 2.223 km ENE of Soledad, CaliforniaSun, Oct 6, 11:44 AM PDT · 14970 days ago · 2 km deep · 99 km away
57. 2.12 km SSW of San Juan Bautista, CaliforniaSun, Oct 6, 12:53 PM PDT · 14970 days ago · 6 km deep · 49 km away
58. 2.312 km N of Morgan Hill, CaliforniaSun, Oct 6, 4:27 PM PDT · 14970 days ago · 3 km deep · 10 km away
59. 1.62 km ENE of Carmel Valley Village, CaliforniaSun, Oct 6, 7:41 PM PDT · 14969 days ago · 8 km deep · 81 km away
60. 1.712 km WSW of Byron, CaliforniaMon, Oct 7, 8:09 AM PDT · 14969 days ago · 10 km deep · 63 km away

The first 60 of 108.

Before

1. 1.513 km SSE of Livermore, CaliforniaSun, Sep 8, 1:17 AM PDT · 14998 days ago · 6 km deep · 38 km away
2. 1.86 km ENE of Hollister, CaliforniaSat, Sep 7, 7:29 PM PDT · 14998 days ago · 8 km deep · 54 km away
3. 2.37 km S of Sunol, CaliforniaSat, Sep 7, 6:35 PM PDT · 14998 days ago · 7 km deep · 35 km away
4. 2.27 km S of Sunol, CaliforniaSat, Sep 7, 5:40 PM PDT · 14998 days ago · 6 km deep · 35 km away
5. 2.87 km ESE of East Foothills, CaliforniaSat, Sep 7, 11:03 AM PDT · 14999 days ago · 7 km deep · 14 km away
6. 2.67 km ESE of East Foothills, CaliforniaSat, Sep 7, 10:28 AM PDT · 14999 days ago · 7 km deep · 14 km away
7. 3.07 km E of East Foothills, CaliforniaSat, Sep 7, 10:27 AM PDT · 14999 days ago · 7 km deep · 14 km away
8. 1.64 km NE of San Leandro, CaliforniaFri, Sep 6, 8:44 PM PDT · 14999 days ago · 11 km deep · 65 km away
9. 2.324 km NE of Soledad, CaliforniaFri, Sep 6, 10:34 AM PDT · 15000 days ago · 8 km deep · 93 km away
10. 1.915 km N of Morgan Hill, CaliforniaThu, Sep 5, 6:02 PM PDT · 15000 days ago · 6 km deep · 9 km away
11. 1.910 km ESE of East Foothills, CaliforniaThu, Sep 5, 7:45 AM PDT · 15001 days ago · 7 km deep · 12 km away
12. 1.64 km NE of San Leandro, CaliforniaWed, Sep 4, 10:39 PM PDT · 15001 days ago · 10 km deep · 66 km away
13. 2.122 km SW of Volta, CaliforniaWed, Sep 4, 9:40 AM PDT · 15002 days ago · 1 km deep · 63 km away
14. 1.712 km NW of Big Sur, CaliforniaWed, Sep 4, 12:30 AM PDT · 15002 days ago · 14 km deep · 98 km away
15. 2.04 km NE of San Leandro, CaliforniaTue, Sep 3, 11:09 PM PDT · 15002 days ago · 10 km deep · 66 km away
16. 3.14 km NE of San Leandro, CaliforniaTue, Sep 3, 11:00 PM PDT · 15002 days ago · 11 km deep · 66 km away
17. 1.62 km SSE of Concord, CaliforniaTue, Sep 3, 12:38 PM PDT · 15003 days ago · 11 km deep · 83 km away
18. 2.08 km ENE of Gilroy, CaliforniaTue, Sep 3, 5:39 AM PDT · 15003 days ago · 8 km deep · 32 km away
19. 2.010 km NNW of Hollister, CaliforniaSun, Sep 1, 7:41 PM PDT · 15004 days ago · 0 km deep · 43 km away
20. 1.622 km NE of Soledad, CaliforniaSun, Sep 1, 8:25 AM PDT · 15005 days ago · 5 km deep · 91 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc54782. Read Thu, Oct 1, 2026, 11:13 AM UTC.