M1.7 earthquake 3 km NW of Sunol, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Oct 18, 1976, 6:03 PM PDT

UTC

1976-10-19 01:03:21 UTC

Depth

3.1 km (1.9 mi), shallow

Epicenter

37.623° N, 121.916° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.02

Depth from

From location

Station coverage gap

67°

Stations used

15

• Sunol, CaliforniaPopulation 913. Forecast4 kmNW
• Pleasanton, CaliforniaPopulation 79,510. Forecast6 kmSW
• Fremont, CaliforniaPopulation 232,206. Forecast11 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast517 kmNW

After

1. 2.82 km SSW of San Juan Bautista, CaliforniaMon, Oct 18, 6:19 PM PDT · 18245 days ago · 6 km deep · 94 km away
2. 1.63 km SSE of Portola Valley, CaliforniaTue, Oct 19, 4:00 AM PDT · 18245 days ago · 10 km deep · 41 km away
3. 1.63 km SSE of Portola Valley, CaliforniaTue, Oct 19, 4:47 AM PDT · 18245 days ago · 10 km deep · 41 km away
4. 1.71 km E of Campbell, CaliforniaTue, Oct 19, 10:09 PM PDT · 18244 days ago · 3 km deep · 37 km away
5. 2.12 km NE of San Ramon, CaliforniaWed, Oct 20, 8:23 PM PDT · 18243 days ago · 8 km deep · 20 km away
6. 2.28 km NW of Hollister, CaliforniaWed, Oct 20, 9:12 PM PDT · 18243 days ago · 6 km deep · 89 km away
7. 2.12 km ENE of Berkeley, CaliforniaFri, Oct 22, 7:11 AM PDT · 18242 days ago · 9 km deep · 41 km away
8. 3.58 km NW of Hollister, CaliforniaSat, Oct 23, 12:24 PM PDT · 18241 days ago · 7 km deep · 89 km away
9. 3.83 km SE of Aromas, CaliforniaSat, Oct 23, 7:19 PM PDT · 18240 days ago · 8 km deep · 88 km away
10. 2.34 km SE of Aromas, CaliforniaSat, Oct 23, 7:22 PM PDT · 18240 days ago · 7 km deep · 88 km away
11. 1.99 km NE of San Juan Bautista, CaliforniaSun, Oct 24, 4:22 AM PDT · 18240 days ago · 7 km deep · 88 km away
12. 2.010 km NW of Hollister, CaliforniaSun, Oct 24, 5:42 PM PDT · 18239 days ago · 3 km deep · 86 km away
13. 2.95 km WSW of Gilroy, CaliforniaMon, Oct 25, 2:42 PM PDT · 18238 days ago · 3 km deep · 76 km away
14. 1.89 km NW of Hollister, CaliforniaWed, Oct 27, 10:24 AM PDT · 18237 days ago · 6 km deep · 88 km away
15. 1.717 km N of Morgan Hill, CAWed, Oct 27, 5:30 PM PDT · 18236 days ago · 6 km deep · 45 km away
16. 1.6Northern CaliforniaThu, Oct 28, 11:18 PM PDT · 18235 days ago · 7 km deep · 37 km away
17. 3.19 km S of Antioch, CaliforniaFri, Oct 29, 1:23 AM PDT · 18235 days ago · 11 km deep · 35 km away
18. 1.99 km NW of Hollister, CaliforniaFri, Oct 29, 6:58 PM PDT · 18234 days ago · 5 km deep · 88 km away
19. 2.62 km W of Monte Sereno, CaliforniaFri, Oct 29, 8:47 PM PDT · 18234 days ago · 12 km deep · 44 km away
20. 1.83 km ESE of Berkeley, CaliforniaSat, Oct 30, 6:28 PM PDT · 18233 days ago · 8 km deep · 39 km away
21. 2.49 km NE of San Juan Bautista, CaliforniaSun, Oct 31, 10:19 PM PST · 18232 days ago · 6 km deep · 88 km away
22. 1.73 km W of Cupertino, CaliforniaTue, Nov 2, 8:39 AM PST · 18231 days ago · 6 km deep · 36 km away
23. 1.916 km NNE of Morgan Hill, CaliforniaTue, Nov 2, 1:46 PM PST · 18230 days ago · 8 km deep · 48 km away
24. 2.64 km SSE of Concord, CaliforniaTue, Nov 2, 9:41 PM PST · 18230 days ago · 10 km deep · 37 km away
25. 2.01 km SW of Dublin, CaliforniaWed, Nov 3, 2:38 AM PST · 18230 days ago · 10 km deep · 8 km away
26. 2.110 km NNW of Hollister, CaliforniaWed, Nov 3, 12:45 PM PST · 18229 days ago · 3 km deep · 87 km away
27. 2.22 km SSW of Danville, CaliforniaWed, Nov 3, 5:22 PM PST · 18229 days ago · 7 km deep · 21 km away
28. 3.83 km W of San Juan Bautista, CaliforniaWed, Nov 3, 6:18 PM PST · 18229 days ago · 6 km deep · 91 km away
29. 1.86 km S of Livermore, CaliforniaThu, Nov 4, 6:20 AM PST · 18229 days ago · 1 km deep · 13 km away
30. 2.21 km WNW of Cambrian Park, CaliforniaThu, Nov 4, 2:21 PM PST · 18228 days ago · 8 km deep · 40 km away
31. 2.37 km S of Diablo Grande, CaliforniaThu, Nov 4, 3:12 PM PST · 18228 days ago · 0 km deep · 65 km away
32. 1.93 km SSW of Antioch, CaliforniaFri, Nov 5, 4:14 AM PST · 18228 days ago · 19 km deep · 40 km away
33. 1.97 km NE of San Juan Bautista, CaliforniaSat, Nov 6, 6:40 AM PST · 18227 days ago · 6 km deep · 89 km away
34. 2.113 km ESE of Suisun, CaliforniaSat, Nov 6, 4:38 PM PST · 18226 days ago · 22 km deep · 65 km away
35. 1.56 km ENE of Interlaken, CaliforniaTue, Nov 9, 2:42 PM PST · 18223 days ago · 8 km deep · 76 km away
36. 1.69 km NW of Hollister, CaliforniaTue, Nov 9, 4:08 PM PST · 18223 days ago · 8 km deep · 87 km away
37. 3.04 km SSW of Gilroy, CaliforniaTue, Nov 9, 4:48 PM PST · 18223 days ago · 7 km deep · 78 km away
38. 2.57 km NE of San Juan Bautista, CaliforniaWed, Nov 10, 2:20 PM PST · 18222 days ago · 7 km deep · 89 km away
39. 2.17 km NE of San Juan Bautista, CaliforniaWed, Nov 10, 6:45 PM PST · 18222 days ago · 5 km deep · 89 km away
40. 1.7Central CaliforniaWed, Nov 10, 8:43 PM PST · 18222 days ago · 5 km deep · 89 km away
41. 2.214 km WNW of Rio Vista, CaliforniaFri, Nov 12, 5:32 AM PST · 18221 days ago · 25 km deep · 65 km away
42. 2.48 km NE of San Juan Bautista, CaliforniaFri, Nov 12, 9:20 AM PST · 18221 days ago · 6 km deep · 89 km away
43. 3.05 km WSW of Gilroy, CaliforniaSat, Nov 13, 7:16 AM PST · 18220 days ago · 4 km deep · 76 km away
44. 2.37 km NE of San Juan Bautista, CaliforniaSat, Nov 13, 8:01 AM PST · 18220 days ago · 5 km deep · 88 km away
45. 2.13 km SSW of Lexington Hills, CaliforniaSun, Nov 14, 11:28 AM PST · 18219 days ago · 13 km deep · 55 km away
46. 1.88 km ESE of East Foothills, CaliforniaSun, Nov 14, 6:56 PM PST · 18218 days ago · 4 km deep · 35 km away
47. 3.213 km WNW of Rio Vista, CaliforniaSun, Nov 14, 9:58 PM PST · 18218 days ago · 19 km deep · 65 km away
48. 2.55 km SW of Gilroy, CaliforniaSun, Nov 14, 11:01 PM PST · 18218 days ago · 4 km deep · 76 km away
49. 2.515 km ESE of Suisun, CaliforniaMon, Nov 15, 12:33 AM PST · 18218 days ago · 20 km deep · 65 km away
50. 2.813 km WNW of Rio Vista, CaliforniaMon, Nov 15, 1:27 AM PST · 18218 days ago · 19 km deep · 65 km away
51. 2.74 km W of San Juan Bautista, CaliforniaMon, Nov 15, 1:59 PM PST · 18217 days ago · 7 km deep · 90 km away
52. 1.77 km ENE of East Foothills, CaliforniaMon, Nov 15, 7:29 PM PST · 18217 days ago · 8 km deep · 30 km away
53. 2.320 km NE of East Foothills, CaliforniaMon, Nov 15, 8:04 PM PST · 18217 days ago · 7 km deep · 25 km away
54. 2.320 km NE of East Foothills, CaliforniaMon, Nov 15, 8:15 PM PST · 18217 days ago · 7 km deep · 25 km away
55. 2.919 km NE of East Foothills, CaliforniaMon, Nov 15, 8:20 PM PST · 18217 days ago · 8 km deep · 25 km away
56. 2.619 km NE of East Foothills, CaliforniaMon, Nov 15, 8:28 PM PST · 18217 days ago · 7 km deep · 26 km away
57. 2.319 km NE of East Foothills, CaliforniaMon, Nov 15, 8:29 PM PST · 18217 days ago · 4 km deep · 24 km away
58. 2.319 km NE of East Foothills, CaliforniaMon, Nov 15, 9:17 PM PST · 18217 days ago · 7 km deep · 25 km away
59. 2.515 km SSE of Elmira, CaliforniaTue, Nov 16, 9:34 PM PST · 18216 days ago · 20 km deep · 66 km away
60. 2.12 km NNE of San Ramon, CaliforniaWed, Nov 17, 11:27 AM PST · 18216 days ago · 9 km deep · 20 km away

The first 60 of 118.

Before

1. 3.7Central CaliforniaMon, Oct 18, 5:36 PM PDT · 18245 days ago · 6 km deep · 95 km away
2. 1.820 km W of Westley, CaliforniaMon, Oct 18, 12:41 PM PDT · 18246 days ago · 0 km deep · 44 km away
3. 1.616 km NE of East Foothills, CaliforniaMon, Oct 18, 7:49 AM PDT · 18246 days ago · 7 km deep · 26 km away
4. 3.32 km SW of San Juan Bautista, CaliforniaSun, Oct 17, 7:46 PM PDT · 18246 days ago · 4 km deep · 94 km away
5. 2.911 km SE of Sunol, CaliforniaSun, Oct 17, 8:02 AM PDT · 18247 days ago · 5 km deep · 15 km away
6. 2.115 km E of Seven Trees, CaliforniaSat, Oct 16, 9:12 AM PDT · 18248 days ago · 2 km deep · 44 km away
7. 1.61 km NNE of San Ramon, CaliforniaSat, Oct 16, 7:58 AM PDT · 18248 days ago · 8 km deep · 19 km away
8. 2.55 km ENE of Interlaken, CaliforniaFri, Oct 15, 9:17 PM PDT · 18248 days ago · 10 km deep · 76 km away
9. 1.81 km NNE of San Ramon, CaliforniaFri, Oct 15, 7:59 PM PDT · 18248 days ago · 7 km deep · 19 km away
10. 2.98 km NE of Gilroy, CaliforniaFri, Oct 15, 11:53 AM PDT · 18249 days ago · 5 km deep · 71 km away
11. 3.41 km SSE of Concord, CaliforniaThu, Oct 14, 6:35 PM PDT · 18249 days ago · 15 km deep · 40 km away
12. 1.87 km NE of San Juan Bautista, CaliforniaThu, Oct 14, 5:36 PM PDT · 18249 days ago · 4 km deep · 90 km away
13. 1.617 km NE of East Foothills, CaliforniaThu, Oct 14, 12:19 PM PDT · 18250 days ago · 7 km deep · 26 km away
14. 1.88 km NE of San Juan Bautista, CaliforniaThu, Oct 14, 4:45 AM PDT · 18250 days ago · 6 km deep · 89 km away
15. 1.610 km E of Seven Trees, CaliforniaWed, Oct 13, 6:06 AM PDT · 18251 days ago · 6 km deep · 40 km away
16. 1.917 km NE of East Foothills, CaliforniaTue, Oct 12, 5:04 PM PDT · 18251 days ago · 7 km deep · 26 km away
17. 2.11 km NNW of Portola Valley, CaliforniaSun, Oct 10, 4:46 AM PDT · 18254 days ago · 9 km deep · 38 km away
18. 2.014 km E of Seven Trees, CaliforniaSat, Oct 9, 3:19 PM PDT · 18254 days ago · 5 km deep · 42 km away
19. 1.77 km NNE of Interlaken, CaliforniaSat, Oct 9, 6:01 AM PDT · 18255 days ago · 6 km deep · 70 km away
20. 1.87 km NNE of Interlaken, CaliforniaThu, Oct 7, 11:23 PM PDT · 18256 days ago · 5 km deep · 70 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1031948. Read Fri, Oct 2, 2026, 7:35 AM UTC.