M1.9 earthquake 8 km ENE of Milpitas, California

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Jul 25, 1987, 1:10 AM PDT

UTC

1987-07-25 08:10:13 UTC

Depth

5.0 km (3.1 mi), shallow

Epicenter

37.467° N, 121.827° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

36°

Stations used

43

• Milpitas, CaliforniaPopulation 77,604. Forecast8 kmENE
• San Jose, CaliforniaPopulation 997,368. Forecast15 kmNNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast499 kmNW

After

1. 1.64 km ESE of Tres Pinos, CaliforniaSat, Jul 25, 9:26 AM PDT · 14314 days ago · 6 km deep · 92 km away
2. 1.518 km NE of East Foothills, CaliforniaMon, Jul 27, 3:45 AM PDT · 14312 days ago · 6 km deep · 13 km away
3. 1.615 km E of Seven Trees, CaliforniaTue, Jul 28, 12:04 AM PDT · 14311 days ago · 6 km deep · 24 km away
4. 2.86 km E of East Foothills, CaliforniaWed, Jul 29, 5:14 PM PDT · 14309 days ago · 6 km deep · 12 km away
5. 1.87 km NNE of East Foothills, CaliforniaWed, Jul 29, 5:42 PM PDT · 14309 days ago · 7 km deep · 3 km away
6. 1.89 km SE of San Juan Bautista, CaliforniaThu, Jul 30, 5:12 AM PDT · 14309 days ago · 7 km deep · 83 km away
7. 1.812 km S of Tres Pinos, CaliforniaFri, Jul 31, 2:25 AM PDT · 14308 days ago · 6 km deep · 99 km away
8. 1.5Northern CaliforniaFri, Jul 31, 8:21 AM PDT · 14308 days ago · 6 km deep · 25 km away
9. 2.015 km E of Seven Trees, CaliforniaFri, Jul 31, 6:40 PM PDT · 14307 days ago · 6 km deep · 24 km away
10. 1.95 km NW of Green Valley, CaliforniaSat, Aug 1, 2:02 AM PDT · 14307 days ago · 4 km deep · 97 km away
11. 1.615 km ESE of East Foothills, CaliforniaSat, Aug 1, 8:45 PM PDT · 14306 days ago · 2 km deep · 21 km away
12. 1.79 km ENE of Blackhawk, CaliforniaSun, Aug 2, 6:06 AM PDT · 14306 days ago · 13 km deep · 42 km away
13. 1.69 km E of Blackhawk, CaliforniaSun, Aug 2, 6:50 AM PDT · 14306 days ago · 10 km deep · 41 km away
14. 1.79 km ENE of Blackhawk, CaliforniaSun, Aug 2, 10:42 AM PDT · 14306 days ago · 11 km deep · 42 km away
15. 1.616 km E of Seven Trees, CaliforniaTue, Aug 4, 2:54 AM PDT · 14304 days ago · 6 km deep · 26 km away
16. 1.77 km SE of Lexington Hills, CaliforniaTue, Aug 4, 7:40 PM PDT · 14303 days ago · 14 km deep · 40 km away
17. 2.68 km NE of San Martin, CaliforniaWed, Aug 5, 6:44 AM PDT · 14303 days ago · 8 km deep · 46 km away
18. 1.75 km NNE of Tres Pinos, CaliforniaWed, Aug 5, 9:39 PM PDT · 14302 days ago · 4 km deep · 85 km away
19. 2.24 km SSE of Portola Valley, CaliforniaFri, Aug 7, 1:48 AM PDT · 14301 days ago · 10 km deep · 36 km away
20. 1.84 km SSE of Portola Valley, CaliforniaFri, Aug 7, 12:46 PM PDT · 14300 days ago · 10 km deep · 36 km away
21. 1.53 km ENE of San Leandro, CaliforniaSat, Aug 8, 1:16 AM PDT · 14300 days ago · 6 km deep · 39 km away
22. 1.918 km SSE of Livermore, CaliforniaSun, Aug 9, 1:58 AM PDT · 14299 days ago · 7 km deep · 15 km away
23. 1.63 km ESE of Piedmont, CaliforniaSun, Aug 9, 1:36 PM PDT · 14298 days ago · 3 km deep · 50 km away
24. 1.63 km SW of Broadmoor, CaliforniaSun, Aug 9, 5:33 PM PDT · 14298 days ago · 8 km deep · 64 km away
25. 1.711 km SW of Brentwood, CaliforniaSun, Aug 9, 5:59 PM PDT · 14298 days ago · 20 km deep · 42 km away
26. 1.610 km SW of Ridgemark, CaliforniaSun, Aug 9, 6:50 PM PDT · 14298 days ago · 7 km deep · 87 km away
27. 2.01 km N of Pittsburg, CaliforniaMon, Aug 10, 12:49 AM PDT · 14298 days ago · 20 km deep · 64 km away
28. 1.93 km S of San Juan Bautista, CaliforniaMon, Aug 10, 11:53 AM PDT · 14297 days ago · 6 km deep · 77 km away
29. 1.717 km NE of East Foothills, CaliforniaMon, Aug 10, 11:10 PM PDT · 14297 days ago · 6 km deep · 13 km away
30. 1.610 km NNW of Hollister, CaliforniaMon, Aug 10, 11:30 PM PDT · 14297 days ago · 4 km deep · 68 km away
31. 2.11 km SSE of Tres Pinos, CaliforniaTue, Aug 11, 3:35 AM PDT · 14297 days ago · 8 km deep · 89 km away
32. 1.519 km SSE of Livermore, CaliforniaWed, Aug 12, 12:12 AM PDT · 14296 days ago · 5 km deep · 15 km away
33. 2.60 km WNW of Sand City, CaliforniaThu, Aug 13, 8:14 AM PDT · 14295 days ago · 2 km deep · 94 km away
34. 2.612 km ESE of East Foothills, CaliforniaFri, Aug 14, 5:54 AM PDT · 14294 days ago · 7 km deep · 19 km away
35. 2.68 km NE of Interlaken, CaliforniaFri, Aug 14, 1:41 PM PDT · 14293 days ago · 7 km deep · 54 km away
36. 1.95 km SE of Tres Pinos, CaliforniaSat, Aug 15, 7:39 PM PDT · 14292 days ago · 8 km deep · 93 km away
37. 1.91 km W of Green Valley, CaliforniaSun, Aug 16, 3:59 PM PDT · 14291 days ago · 10 km deep · 93 km away
38. 2.410 km S of Muir Beach, CaliforniaTue, Aug 18, 3:15 AM PDT · 14290 days ago · 8 km deep · 73 km away
39. 2.118 km NE of East Foothills, CaliforniaThu, Aug 20, 4:54 PM PDT · 14287 days ago · 6 km deep · 13 km away
40. 3.13 km NE of San Leandro, CaliforniaThu, Aug 20, 10:40 PM PDT · 14287 days ago · 8 km deep · 40 km away
41. 1.53 km WSW of Hollister, CaliforniaFri, Aug 21, 6:38 AM PDT · 14287 days ago · 9 km deep · 78 km away
42. 1.915 km N of Morgan Hill, CaliforniaFri, Aug 21, 10:06 AM PDT · 14287 days ago · 4 km deep · 26 km away
43. 1.917 km NE of East Foothills, CaliforniaSat, Aug 22, 8:19 AM PDT · 14286 days ago · 6 km deep · 13 km away
44. 1.65 km ENE of Hollister, CaliforniaSat, Aug 22, 5:25 PM PDT · 14285 days ago · 5 km deep · 79 km away
45. 1.64 km E of Sunol, CaliforniaSat, Aug 22, 10:48 PM PDT · 14285 days ago · 7 km deep · 14 km away
46. 2.817 km SSE of Livermore, CaliforniaSun, Aug 23, 10:43 AM PDT · 14285 days ago · 1 km deep · 17 km away
47. 1.79 km SW of Brentwood, CaliforniaTue, Aug 25, 12:55 AM PDT · 14283 days ago · 18 km deep · 44 km away
48. 3.818 km SW of Gustine, CaliforniaWed, Aug 26, 2:49 AM PDT · 14282 days ago · 0 km deep · 69 km away
49. 1.62 km SW of Ridgemark, CaliforniaWed, Aug 26, 11:09 AM PDT · 14282 days ago · 8 km deep · 84 km away
50. 1.912 km S of Tres Pinos, CaliforniaWed, Aug 26, 2:50 PM PDT · 14281 days ago · 3 km deep · 100 km away
51. 1.518 km SW of Gustine, CaliforniaThu, Aug 27, 6:36 AM PDT · 14281 days ago · 0 km deep · 69 km away
52. 1.92 km W of Taft Mosswood, CaliforniaThu, Aug 27, 8:34 PM PDT · 14280 days ago · 4 km deep · 67 km away
53. 3.42 km ESE of East Richmond Heights, CaliforniaThu, Aug 27, 10:16 PM PDT · 14280 days ago · 8 km deep · 66 km away
54. 2.72 km ESE of East Richmond Heights, CaliforniaThu, Aug 27, 10:48 PM PDT · 14280 days ago · 8 km deep · 66 km away
55. 2.511 km N of Pittsburg, CaliforniaFri, Aug 28, 10:26 AM PDT · 14280 days ago · 12 km deep · 74 km away
56. 2.510 km ENE of East Foothills, CaliforniaFri, Aug 28, 11:05 AM PDT · 14280 days ago · 8 km deep · 12 km away
57. 2.04 km S of San Juan Bautista, CaliforniaSat, Aug 29, 5:44 AM PDT · 14279 days ago · 7 km deep · 78 km away
58. 1.94 km S of San Juan Bautista, CaliforniaSat, Aug 29, 8:17 AM PDT · 14279 days ago · 7 km deep · 78 km away
59. 1.512 km ENE of East Foothills, CaliforniaSun, Aug 30, 12:09 AM PDT · 14278 days ago · 8 km deep · 13 km away
60. 1.513 km N of Morgan Hill, CaliforniaSun, Aug 30, 4:07 AM PDT · 14278 days ago · 5 km deep · 30 km away

The first 60 of 96.

Before

1. 2.615 km SSE of Livermore, CaliforniaFri, Jul 24, 1:47 PM PDT · 14314 days ago · 2 km deep · 16 km away
2. 2.518 km NE of East Foothills, CaliforniaFri, Jul 24, 10:25 AM PDT · 14315 days ago · 5 km deep · 14 km away
3. 2.415 km SSE of Livermore, CaliforniaFri, Jul 24, 7:17 AM PDT · 14315 days ago · 2 km deep · 16 km away
4. 1.59 km ESE of Seven Trees, CaliforniaThu, Jul 23, 9:49 AM PDT · 14316 days ago · 4 km deep · 26 km away
5. 1.715 km SSE of Livermore, CaliforniaWed, Jul 22, 11:20 AM PDT · 14317 days ago · 3 km deep · 16 km away
6. 2.42 km E of Union City, CaliforniaMon, Jul 20, 10:31 AM PDT · 14319 days ago · 6 km deep · 21 km away
7. 1.62 km E of Visitacion Valley, CaliforniaMon, Jul 20, 9:40 AM PDT · 14319 days ago · 1 km deep · 56 km away
8. 2.84 km W of Antioch, CaliforniaSun, Jul 19, 11:02 PM PDT · 14319 days ago · 18 km deep · 59 km away
9. 2.07 km E of East Foothills, CaliforniaSun, Jul 19, 3:15 PM PDT · 14319 days ago · 7 km deep · 12 km away
10. 1.5Northern CaliforniaSat, Jul 18, 7:20 PM PDT · 14320 days ago · 0 km deep · 19 km away
11. 1.914 km NE of East Foothills, CaliforniaSat, Jul 18, 9:04 AM PDT · 14321 days ago · 9 km deep · 13 km away
12. 1.812 km N of Morgan Hill, CaliforniaSat, Jul 18, 7:35 AM PDT · 14321 days ago · 4 km deep · 30 km away
13. 1.78 km NE of Morgan Hill, CaliforniaSat, Jul 18, 1:36 AM PDT · 14321 days ago · 3 km deep · 39 km away
14. 1.73 km N of Interlaken, CaliforniaFri, Jul 17, 9:21 PM PDT · 14321 days ago · 13 km deep · 55 km away
15. 2.58 km NE of Morgan Hill, CaliforniaFri, Jul 17, 7:57 PM PDT · 14321 days ago · 3 km deep · 38 km away
16. 2.49 km NE of San Martin, CaliforniaFri, Jul 17, 9:03 AM PDT · 14322 days ago · 7 km deep · 43 km away
17. 1.59 km NE of Gilroy, CaliforniaThu, Jul 16, 1:57 PM PDT · 14322 days ago · 8 km deep · 55 km away
18. 2.22 km NNE of Pittsburg, CaliforniaThu, Jul 16, 12:54 AM PDT · 14323 days ago · 17 km deep · 65 km away
19. 1.814 km N of Morgan Hill, CaliforniaTue, Jul 14, 7:40 PM PDT · 14324 days ago · 6 km deep · 29 km away
20. 1.814 km E of Seven Trees, CaliforniaTue, Jul 14, 12:02 PM PDT · 14324 days ago · 3 km deep · 24 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc103597. Read Fri, Oct 2, 2026, 5:59 AM UTC.