M1.7 earthquake 9 km ENE of Milpitas, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Nov 8, 1983, 3:39 PM PST

UTC

1983-11-08 23:39:47 UTC

Depth

6.8 km (4.2 mi), shallow

Epicenter

37.470° N, 121.816° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

80°

Stations used

15

• Milpitas, CaliforniaPopulation 77,604. Forecast9 kmENE
• San Jose, CaliforniaPopulation 997,368. Forecast16 kmNNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast498 kmNW

After

1. 2.012 km ESE of East Foothills, CaliforniaWed, Nov 9, 2:39 AM PST · 15667 days ago · 7 km deep · 19 km away
2. 1.96 km NNE of Interlaken, CaliforniaWed, Nov 9, 2:24 PM PST · 15667 days ago · 7 km deep · 52 km away
3. 2.29 km SSW of Tres Pinos, CaliforniaThu, Nov 10, 7:58 PM PST · 15666 days ago · 3 km deep · 94 km away
4. 1.59 km NNE of East Foothills, CaliforniaFri, Nov 11, 10:32 AM PST · 15665 days ago · 7 km deep · 3 km away
5. 2.35 km SSE of San Juan Bautista, CaliforniaSat, Nov 12, 5:17 AM PST · 15664 days ago · 3 km deep · 79 km away
6. 1.66 km ENE of Corralitos, CaliforniaSat, Nov 12, 9:25 AM PST · 15664 days ago · 0 km deep · 51 km away
7. 2.75 km NNE of Ridgemark, CaliforniaSat, Nov 12, 2:50 PM PST · 15664 days ago · 7 km deep · 80 km away
8. 1.64 km SW of Tres Pinos, CaliforniaSun, Nov 13, 5:37 AM PST · 15663 days ago · 5 km deep · 88 km away
9. 1.64 km ESE of Piedmont, CaliforniaSun, Nov 13, 6:35 AM PST · 15663 days ago · 8 km deep · 50 km away
10. 1.63 km ESE of Berkeley, CaliforniaMon, Nov 14, 6:55 PM PST · 15662 days ago · 10 km deep · 58 km away
11. 2.215 km N of Morgan Hill, CaliforniaWed, Nov 16, 1:17 AM PST · 15660 days ago · 2 km deep · 27 km away
12. 1.85 km SSW of Ridgemark, CaliforniaThu, Nov 17, 4:35 PM PST · 15659 days ago · 8 km deep · 87 km away
13. 1.612 km ENE of Hollister, CaliforniaFri, Nov 18, 12:55 AM PST · 15659 days ago · 5 km deep · 78 km away
14. 2.24 km NNE of San Leandro, CaliforniaSat, Nov 19, 12:27 AM PST · 15658 days ago · 8 km deep · 43 km away
15. 3.05 km SW of Dublin, CaliforniaSat, Nov 19, 2:52 PM PST · 15657 days ago · 11 km deep · 27 km away
16. 2.16 km WSW of Gilroy, CaliforniaTue, Nov 22, 7:22 PM PST · 15654 days ago · 4 km deep · 56 km away
17. 1.75 km NE of San Martin, CaliforniaWed, Nov 23, 5:20 AM PST · 15653 days ago · 3 km deep · 44 km away
18. 2.35 km NE of San Martin, CaliforniaWed, Nov 23, 6:46 AM PST · 15653 days ago · 3 km deep · 45 km away
19. 2.15 km NE of San Martin, CaliforniaWed, Nov 23, 7:48 AM PST · 15653 days ago · 3 km deep · 45 km away
20. 1.62 km SE of Pacheco, CaliforniaFri, Nov 25, 6:04 AM PST · 15651 days ago · 8 km deep · 59 km away
21. 1.915 km S of Pescadero, CaliforniaFri, Nov 25, 2:31 PM PST · 15651 days ago · 10 km deep · 61 km away
22. 2.05 km SSE of San Juan Bautista, CaliforniaSat, Nov 26, 7:40 AM PST · 15650 days ago · 5 km deep · 79 km away
23. 2.010 km N of Pittsburg, CaliforniaSun, Nov 27, 1:11 AM PST · 15649 days ago · 17 km deep · 73 km away
24. 1.722 km NE of Morgan Hill, CaliforniaSun, Nov 27, 11:43 AM PST · 15649 days ago · 2 km deep · 37 km away
25. 2.57 km SSE of Gilroy, CaliforniaMon, Nov 28, 1:08 PM PST · 15648 days ago · 4 km deep · 63 km away
26. 1.67 km SSE of Gilroy, CaliforniaMon, Nov 28, 1:21 PM PST · 15648 days ago · 5 km deep · 63 km away
27. 2.317 km W of Volta, CaliforniaTue, Nov 29, 1:23 PM PST · 15647 days ago · 0 km deep · 73 km away
28. 1.715 km E of Seven Trees, CaliforniaTue, Nov 29, 8:39 PM PST · 15647 days ago · 2 km deep · 24 km away
29. 1.62 km WSW of San Juan Bautista, CaliforniaThu, Dec 1, 5:45 PM PST · 15645 days ago · 5 km deep · 74 km away
30. 1.98 km NE of San Martin, CaliforniaThu, Dec 1, 6:39 PM PST · 15645 days ago · 8 km deep · 45 km away
31. 2.22 km NNE of Diablo, CaliforniaFri, Dec 2, 4:19 AM PST · 15644 days ago · 10 km deep · 44 km away
32. 1.79 km SSW of Tres Pinos, CaliforniaFri, Dec 2, 9:48 PM PST · 15644 days ago · 3 km deep · 94 km away
33. 3.12 km SSW of Ridgemark, CaliforniaSat, Dec 3, 2:06 PM PST · 15643 days ago · 3 km deep · 85 km away
34. 1.612 km NW of Diablo Grande, CaliforniaMon, Dec 5, 4:09 AM PST · 15641 days ago · 3 km deep · 39 km away
35. 1.822 km WNW of Diablo Grande, CaliforniaTue, Dec 6, 6:38 PM PST · 15640 days ago · 5 km deep · 26 km away
36. 2.611 km S of Tres Pinos, CaliforniaFri, Dec 9, 1:02 AM PST · 15638 days ago · 5 km deep · 97 km away
37. 2.99 km ESE of East Foothills, CaliforniaFri, Dec 9, 9:29 PM PST · 15637 days ago · 7 km deep · 16 km away
38. 2.410 km ESE of East Foothills, CaliforniaFri, Dec 9, 9:41 PM PST · 15637 days ago · 8 km deep · 17 km away
39. 2.310 km S of Tres Pinos, CaliforniaSat, Dec 10, 6:38 AM PST · 15636 days ago · 4 km deep · 96 km away
40. 1.910 km S of Tres Pinos, CaliforniaSat, Dec 10, 6:51 AM PST · 15636 days ago · 5 km deep · 97 km away
41. 2.110 km S of Tres Pinos, CaliforniaSat, Dec 10, 9:02 AM PST · 15636 days ago · 5 km deep · 97 km away
42. 2.010 km SSE of Livermore, CaliforniaSat, Dec 10, 7:43 PM PST · 15636 days ago · 5 km deep · 17 km away
43. 2.16 km E of East Foothills, CaliforniaMon, Dec 12, 8:14 PM PST · 15634 days ago · 6 km deep · 11 km away
44. 3.41 km ENE of Ridgemark, CaliforniaTue, Dec 13, 1:38 PM PST · 15633 days ago · 5 km deep · 83 km away
45. 2.02 km S of San Juan Bautista, CaliforniaTue, Dec 13, 5:33 PM PST · 15633 days ago · 6 km deep · 76 km away
46. 2.72 km S of San Juan Bautista, CaliforniaWed, Dec 14, 6:42 AM PST · 15632 days ago · 6 km deep · 76 km away
47. 2.03 km NNW of Pittsburg, CaliforniaFri, Dec 16, 7:36 AM PST · 15630 days ago · 18 km deep · 66 km away
48. 3.28 km ENE of Gilroy, CaliforniaFri, Dec 16, 4:10 PM PST · 15630 days ago · 8 km deep · 57 km away
49. 1.87 km WSW of Gilroy, CaliforniaSat, Dec 17, 9:31 AM PST · 15629 days ago · 4 km deep · 57 km away
50. 1.63 km SE of Pittsburg, CaliforniaSun, Dec 18, 12:14 AM PST · 15629 days ago · 4 km deep · 59 km away
51. 1.53 km ESE of Aromas, CaliforniaMon, Dec 19, 7:08 AM PST · 15627 days ago · 6 km deep · 68 km away
52. 1.95 km SSE of San Juan Bautista, CaliforniaTue, Dec 20, 8:51 AM PST · 15626 days ago · 5 km deep · 79 km away
53. 2.55 km SSE of San Juan Bautista, CaliforniaTue, Dec 20, 9:02 AM PST · 15626 days ago · 5 km deep · 79 km away
54. 2.21 km SSE of East Richmond Heights, CaliforniaWed, Dec 21, 6:08 PM PST · 15625 days ago · 4 km deep · 67 km away
55. 1.66 km ESE of Discovery Bay, CaliforniaThu, Dec 22, 6:07 PM PST · 15624 days ago · 11 km deep · 54 km away
56. 2.02 km ESE of Tres Pinos, CaliforniaThu, Dec 22, 10:06 PM PST · 15624 days ago · 9 km deep · 90 km away
57. 1.88 km SE of San Juan Bautista, CaliforniaFri, Dec 23, 8:44 PM PST · 15623 days ago · 4 km deep · 82 km away
58. 1.61 km NNW of Ashland, CaliforniaSat, Dec 24, 12:34 AM PST · 15623 days ago · 7 km deep · 38 km away
59. 1.73 km NNE of Interlaken, CaliforniaSat, Dec 24, 5:38 AM PST · 15622 days ago · 11 km deep · 56 km away
60. 2.32 km W of Portola Valley, CaliforniaSat, Dec 24, 5:49 AM PST · 15622 days ago · 8 km deep · 41 km away

The first 60 of 81.

Before

1. 1.94 km N of Benicia, CaliforniaTue, Nov 8, 8:35 AM PST · 15668 days ago · 4 km deep · 75 km away
2. 1.82 km N of Blackhawk, CaliforniaSun, Nov 6, 8:22 AM PST · 15670 days ago · 9 km deep · 43 km away
3. 2.85 km SSE of San Juan Bautista, CaliforniaSun, Nov 6, 4:33 AM PST · 15670 days ago · 5 km deep · 79 km away
4. 1.65 km SSE of San Juan Bautista, CaliforniaSun, Nov 6, 4:32 AM PST · 15670 days ago · 5 km deep · 79 km away
5. 1.61 km W of Visitacion Valley, CaliforniaSun, Nov 6, 3:36 AM PST · 15670 days ago · 10 km deep · 60 km away
6. 1.68 km NNW of Hollister, CaliforniaFri, Nov 4, 6:33 PM PST · 15672 days ago · 2 km deep · 70 km away
7. 2.06 km SSW of Davenport, CaliforniaThu, Nov 3, 9:55 PM PST · 15673 days ago · 5 km deep · 67 km away
8. 1.52 km S of Concord, CaliforniaThu, Nov 3, 12:06 PM PST · 15673 days ago · 11 km deep · 57 km away
9. 2.61 km NNE of San Pablo, CaliforniaTue, Nov 1, 2:25 PM PST · 15675 days ago · 5 km deep · 72 km away
10. 1.75 km NE of Black Point-Green Point, CaliforniaMon, Oct 31, 7:47 AM PST · 15676 days ago · 6 km deep · 95 km away
11. 1.84 km SE of North Gate, CaliforniaSat, Oct 29, 5:11 PM PDT · 15678 days ago · 11 km deep · 47 km away
12. 1.78 km N of Hollister, CaliforniaFri, Oct 28, 1:04 PM PDT · 15679 days ago · 8 km deep · 70 km away
13. 1.614 km E of Seven Trees, CaliforniaThu, Oct 27, 11:41 PM PDT · 15680 days ago · 2 km deep · 23 km away
14. 2.08 km SW of Ridgemark, CaliforniaWed, Oct 26, 9:02 PM PDT · 15681 days ago · 7 km deep · 87 km away
15. 1.71 km WSW of Dublin, CaliforniaSun, Oct 23, 1:00 PM PDT · 15684 days ago · 8 km deep · 28 km away
16. 1.91 km WSW of Dublin, CaliforniaSun, Oct 23, 11:08 AM PDT · 15684 days ago · 8 km deep · 28 km away
17. 1.68 km NE of Milpitas, CaliforniaSat, Oct 22, 11:52 PM PDT · 15685 days ago · 6 km deep · 3 km away
18. 2.43 km W of Livermore, CaliforniaSat, Oct 22, 11:17 PM PDT · 15685 days ago · 16 km deep · 23 km away
19. 2.23 km W of Livermore, CaliforniaSat, Oct 22, 11:10 PM PDT · 15685 days ago · 14 km deep · 23 km away
20. 3.612 km ESE of East Foothills, CaliforniaSat, Oct 22, 7:35 PM PDT · 15685 days ago · 7 km deep · 19 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1106502. Read Thu, Oct 1, 2026, 8:32 PM UTC.