M1.7 earthquake 1 km N of Mountain View, California

Magnitude

1.7 (md), micro

Local time

Tue, Apr 2, 1985, 2:47 PM PST

UTC

1985-04-02 22:47:43 UTC

Depth

6.4 km (4.0 mi), shallow

Epicenter

37.402° N, 122.081° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.21

Depth from

From location

Station coverage gap

66°

Stations used

32

• Mountain View, CaliforniaPopulation 80,435. Forecast2 kmN
• Sunnyvale, CaliforniaPopulation 155,805. Forecast5 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast509 kmNW

After

1. 1.710 km NNE of Morgan Hill, CaliforniaTue, Apr 2, 6:10 PM PST · 15148 days ago · 3 km deep · 46 km away
2. 1.613 km N of Morgan Hill, CaliforniaWed, Apr 3, 6:37 PM PST · 15147 days ago · 3 km deep · 43 km away
3. 2.37 km ENE of San Martin, CaliforniaThu, Apr 4, 9:52 PM PST · 15145 days ago · 3 km deep · 58 km away
4. 1.710 km SW of Ridgemark, CaliforniaThu, Apr 4, 10:42 PM PST · 15145 days ago · 8 km deep · 91 km away
5. 2.516 km N of Morgan Hill, CaliforniaFri, Apr 5, 6:57 AM PST · 15145 days ago · 8 km deep · 41 km away
6. 1.814 km N of Morgan Hill, CaliforniaFri, Apr 5, 9:55 PM PST · 15144 days ago · 5 km deep · 42 km away
7. 2.011 km NNW of Hollister, CaliforniaSun, Apr 7, 2:01 AM PST · 15143 days ago · 7 km deep · 75 km away
8. 1.617 km ENE of East Foothills, CaliforniaSun, Apr 7, 5:18 AM PST · 15143 days ago · 5 km deep · 40 km away
9. 2.412 km NNE of East Foothills, CaliforniaTue, Apr 9, 12:48 AM PST · 15141 days ago · 8 km deep · 31 km away
10. 2.46 km E of Fremont, CaliforniaTue, Apr 9, 4:14 AM PST · 15141 days ago · 9 km deep · 21 km away
11. 1.86 km SSW of Sunol, CaliforniaTue, Apr 9, 4:14 AM PST · 15141 days ago · 9 km deep · 21 km away
12. 1.65 km E of Fremont, CaliforniaTue, Apr 9, 6:05 AM PST · 15141 days ago · 9 km deep · 21 km away
13. 1.75 km E of Fremont, CaliforniaTue, Apr 9, 6:11 AM PST · 15141 days ago · 10 km deep · 21 km away
14. 1.66 km E of Fremont, CaliforniaTue, Apr 9, 6:23 AM PST · 15141 days ago · 10 km deep · 21 km away
15. 3.112 km N of Morgan Hill, CaliforniaTue, Apr 9, 10:52 AM PST · 15141 days ago · 5 km deep · 44 km away
16. 1.717 km S of Davenport, CaliforniaTue, Apr 9, 8:56 PM PST · 15140 days ago · 3 km deep · 62 km away
17. 2.412 km N of Morgan Hill, CaliforniaThu, Apr 11, 2:34 AM PST · 15139 days ago · 5 km deep · 44 km away
18. 1.813 km N of Morgan Hill, CaliforniaThu, Apr 11, 3:37 AM PST · 15139 days ago · 4 km deep · 43 km away
19. 1.814 km N of Morgan Hill, CaliforniaThu, Apr 11, 4:48 AM PST · 15139 days ago · 6 km deep · 42 km away
20. 2.44 km WNW of Saratoga, CaliforniaSat, Apr 13, 7:41 PM PST · 15137 days ago · 4 km deep · 13 km away
21. 2.04 km SW of Cupertino, CaliforniaSat, Apr 13, 7:41 PM PST · 15137 days ago · 5 km deep · 13 km away
22. 1.99 km SSW of Ridgemark, CaliforniaTue, Apr 16, 4:16 AM PST · 15134 days ago · 7 km deep · 95 km away
23. 2.419 km SSW of Santa Cruz, CaliforniaTue, Apr 16, 12:04 PM PST · 15134 days ago · 3 km deep · 67 km away
24. 1.914 km E of Seven Trees, CaliforniaTue, Apr 16, 3:39 PM PST · 15134 days ago · 5 km deep · 38 km away
25. 2.03 km ESE of Aromas, CaliforniaWed, Apr 17, 3:49 PM PST · 15133 days ago · 7 km deep · 72 km away
26. 2.4Northern CaliforniaWed, Apr 17, 5:51 PM PST · 15133 days ago · 8 km deep · 68 km away
27. 2.68 km ENE of Morgan Hill, CaliforniaWed, Apr 17, 10:15 PM PST · 15132 days ago · 3 km deep · 53 km away
28. 1.816 km E of Seven Trees, CaliforniaFri, Apr 19, 10:26 AM PST · 15131 days ago · 8 km deep · 40 km away
29. 1.68 km ESE of East Foothills, CaliforniaFri, Apr 19, 7:26 PM PST · 15131 days ago · 7 km deep · 32 km away
30. 1.79 km ESE of East Foothills, CaliforniaFri, Apr 19, 7:30 PM PST · 15131 days ago · 7 km deep · 32 km away
31. 1.74 km SE of Portola Valley, CaliforniaSat, Apr 20, 1:24 PM PST · 15130 days ago · 10 km deep · 12 km away
32. 2.23 km ESE of Berkeley, CaliforniaSat, Apr 20, 11:07 PM PST · 15129 days ago · 8 km deep · 53 km away
33. 2.41 km SSW of Green Valley, CaliforniaSun, Apr 21, 8:19 AM PST · 15129 days ago · 12 km deep · 93 km away
34. 2.02 km S of Green Valley, CaliforniaSun, Apr 21, 8:21 AM PST · 15129 days ago · 11 km deep · 93 km away
35. 2.713 km ESE of Alum Rock, CaliforniaSun, Apr 21, 10:50 AM PST · 15129 days ago · 7 km deep · 36 km away
36. 3.08 km NE of San Martin, CaliforniaMon, Apr 22, 9:34 AM PST · 15128 days ago · 7 km deep · 57 km away
37. 1.97 km NW of Pescadero, CaliforniaMon, Apr 22, 11:46 AM PST · 15128 days ago · 11 km deep · 33 km away
38. 1.98 km ENE of San Martin, CaliforniaMon, Apr 22, 4:53 PM PST · 15128 days ago · 7 km deep · 59 km away
39. 2.58 km ENE of San Martin, CaliforniaMon, Apr 22, 11:37 PM PST · 15127 days ago · 7 km deep · 58 km away
40. 3.08 km ENE of San Martin, CaliforniaTue, Apr 23, 6:47 AM PST · 15127 days ago · 7 km deep · 58 km away
41. 2.09 km NE of San Martin, CaliforniaTue, Apr 23, 6:47 AM PST · 15127 days ago · 7 km deep · 57 km away
42. 1.72 km ENE of Union City, CaliforniaWed, Apr 24, 3:27 PM PST · 15126 days ago · 6 km deep · 24 km away
43. 1.623 km W of Diablo Grande, CaliforniaThu, Apr 25, 4:21 PM PST · 15125 days ago · 6 km deep · 47 km away
44. 1.68 km ENE of San Martin, CaliforniaThu, Apr 25, 9:35 PM PST · 15124 days ago · 7 km deep · 59 km away
45. 1.512 km NNE of Hollister, CaliforniaFri, Apr 26, 4:50 PM PST · 15124 days ago · 8 km deep · 84 km away
46. 3.15 km S of Gilroy, CaliforniaSat, Apr 27, 3:38 AM PST · 15123 days ago · 5 km deep · 66 km away
47. 1.72 km SE of Pittsburg, CaliforniaSat, Apr 27, 3:51 PM PST · 15123 days ago · 16 km deep · 71 km away
48. 1.7Northern CaliforniaSun, Apr 28, 5:55 AM PDT · 15122 days ago · 2 km deep · 38 km away
49. 1.94 km NE of East Foothills, CaliforniaSun, Apr 28, 6:01 AM PDT · 15122 days ago · 3 km deep · 26 km away
50. 2.13 km ESE of Berkeley, CaliforniaSun, Apr 28, 9:56 AM PDT · 15122 days ago · 8 km deep · 53 km away
51. 2.05 km SW of Ridgemark, CaliforniaSun, Apr 28, 12:53 PM PDT · 15122 days ago · 7 km deep · 91 km away
52. 2.33 km SSE of North Gate, CaliforniaSun, Apr 28, 6:58 PM PDT · 15122 days ago · 10 km deep · 53 km away
53. 1.88 km ENE of San Martin, CaliforniaMon, Apr 29, 5:51 AM PDT · 15121 days ago · 5 km deep · 59 km away
54. 3.115 km E of Seven Trees, CaliforniaMon, Apr 29, 11:08 AM PDT · 15121 days ago · 4 km deep · 39 km away
55. 2.111 km ESE of East Foothills, CaliforniaWed, May 1, 4:23 AM PDT · 15119 days ago · 7 km deep · 34 km away
56. 1.511 km ESE of East Foothills, CaliforniaWed, May 1, 4:27 AM PDT · 15119 days ago · 7 km deep · 35 km away
57. 1.611 km ESE of East Foothills, CaliforniaWed, May 1, 4:32 AM PDT · 15119 days ago · 7 km deep · 35 km away
58. 1.72 km SSE of San Ramon, CaliforniaWed, May 1, 7:30 PM PDT · 15119 days ago · 8 km deep · 41 km away
59. 1.83 km ESE of Aromas, CaliforniaThu, May 2, 2:20 AM PDT · 15118 days ago · 7 km deep · 72 km away
60. 2.18 km NE of San Martin, CaliforniaSat, May 4, 6:18 PM PDT · 15116 days ago · 8 km deep · 57 km away

The first 60 of 93.

Before

1. 1.77 km ENE of San Martin, CaliforniaTue, Apr 2, 5:51 AM PST · 15148 days ago · 3 km deep · 59 km away
2. 2.12 km ENE of Berkeley, CaliforniaMon, Apr 1, 9:57 PM PST · 15148 days ago · 9 km deep · 55 km away
3. 1.67 km ENE of San Martin, CaliforniaMon, Apr 1, 6:37 PM PST · 15149 days ago · 3 km deep · 59 km away
4. 2.514 km N of Morgan Hill, CaliforniaMon, Apr 1, 2:31 PM PST · 15149 days ago · 4 km deep · 42 km away
5. 1.65 km NE of East Foothills, CaliforniaMon, Apr 1, 9:16 AM PST · 15149 days ago · 5 km deep · 28 km away
6. 1.516 km E of Seven Trees, CaliforniaSun, Mar 31, 2:28 AM PST · 15150 days ago · 5 km deep · 40 km away
7. 3.216 km E of Seven Trees, CaliforniaSat, Mar 30, 6:56 PM PST · 15151 days ago · 6 km deep · 40 km away
8. 1.98 km ENE of Morgan Hill, CaliforniaFri, Mar 29, 10:28 PM PST · 15151 days ago · 3 km deep · 53 km away
9. 1.515 km E of East Foothills, CaliforniaThu, Mar 28, 4:03 AM PST · 15153 days ago · 8 km deep · 38 km away
10. 1.615 km N of Morgan Hill, CaliforniaTue, Mar 26, 5:51 PM PST · 15155 days ago · 6 km deep · 41 km away
11. 1.79 km ENE of Morgan Hill, CaliforniaMon, Mar 25, 12:37 PM PST · 15156 days ago · 5 km deep · 54 km away
12. 1.99 km NNW of Hollister, CaliforniaSun, Mar 24, 6:35 PM PST · 15157 days ago · 2 km deep · 78 km away
13. 2.83 km S of Stinson Beach, CaliforniaSun, Mar 24, 10:56 AM PST · 15157 days ago · 10 km deep · 71 km away
14. 2.44 km NW of Bay Point, CaliforniaSat, Mar 23, 5:51 PM PST · 15158 days ago · 0 km deep · 74 km away
15. 1.612 km N of Morgan Hill, CaliforniaSat, Mar 23, 10:41 AM PST · 15158 days ago · 7 km deep · 42 km away
16. 1.67 km ENE of Gilroy, CaliforniaFri, Mar 22, 7:58 PM PST · 15159 days ago · 6 km deep · 66 km away
17. 1.716 km SSE of Pescadero, CaliforniaFri, Mar 22, 2:09 PM PST · 15159 days ago · 8 km deep · 38 km away
18. 1.9Northern CaliforniaFri, Mar 22, 12:48 PM PST · 15159 days ago · 2 km deep · 38 km away
19. 1.815 km N of Morgan Hill, CaliforniaFri, Mar 22, 4:16 AM PST · 15159 days ago · 6 km deep · 41 km away
20. 3.014 km N of Morgan Hill, CaliforniaThu, Mar 21, 11:42 PM PST · 15159 days ago · 6 km deep · 42 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc45308. Read Tue, Sep 22, 2026, 4:25 PM UTC.