M1.7 earthquake 1 km NNW of Sunol, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sun, Jun 18, 1989, 12:43 AM PDT

UTC

1989-06-18 07:43:08 UTC

Depth

6.2 km (3.9 mi), shallow

Epicenter

37.603° N, 121.891° 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

±0.18

Depth from

From location

Station coverage gap

93°

Stations used

33

• Sunol, CaliforniaPopulation 913. Forecast1 kmN
• Pleasanton, CaliforniaPopulation 79,510. Forecast7 kmSSW
• Fremont, CaliforniaPopulation 232,206. Forecast11 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast514 kmNW

After

1. 2.015 km SSE of Livermore, CaliforniaSun, Jun 18, 4:57 AM PDT · 13621 days ago · 6 km deep · 19 km away
2. 1.57 km NW of Boulder Creek, CaliforniaSun, Jun 18, 6:09 AM PDT · 13621 days ago · 6 km deep · 54 km away
3. 1.812 km WNW of Moss Landing, CaliforniaSun, Jun 18, 11:33 AM PDT · 13621 days ago · 5 km deep · 86 km away
4. 1.77 km SSE of Gilroy, CaliforniaSun, Jun 18, 10:49 PM PDT · 13621 days ago · 5 km deep · 80 km away
5. 3.37 km E of East Foothills, CaliforniaTue, Jun 20, 6:28 PM PDT · 13619 days ago · 9 km deep · 28 km away
6. 2.0Northern CaliforniaWed, Jun 21, 6:06 PM PDT · 13618 days ago · 20 km deep · 49 km away
7. 2.74 km NE of Pittsburg, CaliforniaWed, Jun 21, 6:12 PM PDT · 13618 days ago · 19 km deep · 51 km away
8. 4.34 km NE of Pittsburg, CaliforniaWed, Jun 21, 6:13 PM PDT · 13618 days ago · 20 km deep · 51 km away
9. 2.01 km NNW of Pittsburg, CaliforniaWed, Jun 21, 9:37 PM PDT · 13618 days ago · 20 km deep · 49 km away
10. 2.21 km NNE of Pittsburg, CaliforniaWed, Jun 21, 9:57 PM PDT · 13618 days ago · 20 km deep · 49 km away
11. 2.414 km SSW of Santa Cruz, CaliforniaThu, Jun 22, 11:35 AM PDT · 13617 days ago · 7 km deep · 85 km away
12. 1.68 km SE of Livermore, CaliforniaFri, Jun 23, 12:58 AM PDT · 13616 days ago · 7 km deep · 17 km away
13. 2.33 km NNE of Pittsburg, CaliforniaSat, Jun 24, 2:35 AM PDT · 13615 days ago · 17 km deep · 51 km away
14. 2.73 km NNE of Pittsburg, CaliforniaSat, Jun 24, 4:59 AM PDT · 13615 days ago · 18 km deep · 51 km away
15. 2.413 km SSW of Santa Cruz, CaliforniaSat, Jun 24, 10:05 AM PDT · 13615 days ago · 0 km deep · 84 km away
16. 2.04 km NNE of Pittsburg, CaliforniaSun, Jun 25, 12:23 AM PDT · 13614 days ago · 19 km deep · 51 km away
17. 3.01 km NNW of Hercules, CaliforniaSun, Jun 25, 2:36 AM PDT · 13614 days ago · 7 km deep · 59 km away
18. 1.61 km NNW of Hercules, CaliforniaSun, Jun 25, 5:25 AM PDT · 13614 days ago · 6 km deep · 59 km away
19. 2.5Central CaliforniaMon, Jun 26, 9:26 AM PDT · 13613 days ago · 3 km deep · 74 km away
20. 2.78 km NE of San Martin, CaliforniaMon, Jun 26, 4:09 PM PDT · 13613 days ago · 8 km deep · 62 km away
21. 2.08 km ESE of Seven Trees, CaliforniaWed, Jun 28, 11:05 AM PDT · 13611 days ago · 4 km deep · 42 km away
22. 1.62 km NNW of Hollister, CaliforniaWed, Jun 28, 12:40 PM PDT · 13611 days ago · 7 km deep · 91 km away
23. 1.81 km SW of San Ramon, CaliforniaWed, Jun 28, 2:00 PM PDT · 13611 days ago · 8 km deep · 21 km away
24. 1.910 km SW of Ripon, CaliforniaThu, Jun 29, 1:52 AM PDT · 13610 days ago · 13 km deep · 61 km away
25. 2.66 km E of East Foothills, CaliforniaThu, Jun 29, 2:54 AM PDT · 13610 days ago · 6 km deep · 28 km away
26. 1.913 km ENE of East Foothills, CaliforniaThu, Jun 29, 5:20 AM PDT · 13610 days ago · 6 km deep · 29 km away
27. 1.54 km N of Corralitos, CaliforniaThu, Jun 29, 7:31 AM PDT · 13610 days ago · 14 km deep · 64 km away
28. 2.02 km NNW of Orinda, CaliforniaFri, Jun 30, 3:18 AM PDT · 13609 days ago · 8 km deep · 42 km away
29. 1.514 km N of Morgan Hill, CaliforniaFri, Jun 30, 3:22 AM PDT · 13609 days ago · 6 km deep · 45 km away
30. 1.710 km SE of Suisun, CaliforniaFri, Jun 30, 12:06 PM PDT · 13609 days ago · 17 km deep · 64 km away
31. 1.78 km SE of Suisun, CaliforniaFri, Jun 30, 7:21 PM PDT · 13609 days ago · 4 km deep · 66 km away
32. 1.511 km ENE of East Foothills, CaliforniaSat, Jul 1, 5:40 AM PDT · 13608 days ago · 7 km deep · 26 km away
33. 2.23 km N of Pittsburg, CaliforniaMon, Jul 3, 6:54 AM PDT · 13606 days ago · 17 km deep · 51 km away
34. 2.221 km NE of East Foothills, CaliforniaTue, Jul 4, 4:30 AM PDT · 13605 days ago · 7 km deep · 27 km away
35. 1.815 km E of Seven Trees, CaliforniaWed, Jul 5, 3:44 AM PDT · 13604 days ago · 6 km deep · 41 km away
36. 2.06 km NE of East Foothills, CaliforniaWed, Jul 5, 8:35 AM PDT · 13604 days ago · 7 km deep · 23 km away
37. 3.03 km S of Crockett, CaliforniaFri, Jul 7, 3:56 AM PDT · 13602 days ago · 15 km deep · 54 km away
38. 1.66 km SW of Gilroy, CaliforniaFri, Jul 7, 9:35 AM PDT · 13602 days ago · 5 km deep · 75 km away
39. 2.36 km SW of Gilroy, CaliforniaFri, Jul 7, 10:05 AM PDT · 13602 days ago · 4 km deep · 75 km away
40. 2.810 km ENE of East Foothills, CaliforniaSat, Jul 8, 10:38 AM PDT · 13601 days ago · 7 km deep · 26 km away
41. 3.96 km ENE of East Foothills, CaliforniaSun, Jul 9, 6:38 AM PDT · 13600 days ago · 8 km deep · 25 km away
42. 1.816 km SSE of Livermore, CaliforniaSun, Jul 9, 3:54 PM PDT · 13600 days ago · 2 km deep · 20 km away
43. 1.56 km NE of Ridgemark, CaliforniaTue, Jul 11, 12:43 PM PDT · 13598 days ago · 6 km deep · 98 km away
44. 2.68 km WNW of Broadmoor, CaliforniaWed, Jul 12, 12:07 PM PDT · 13597 days ago · 8 km deep · 61 km away
45. 2.07 km ENE of Interlaken, CaliforniaThu, Jul 13, 8:55 AM PDT · 13596 days ago · 8 km deep · 72 km away
46. 2.111 km ESE of Gilroy, CaliforniaSat, Jul 15, 7:54 AM PDT · 13594 days ago · 5 km deep · 82 km away
47. 2.019 km WNW of Diablo Grande, CaliforniaSat, Jul 15, 4:29 PM PDT · 13594 days ago · 3 km deep · 39 km away
48. 1.715 km E of Seven Trees, CaliforniaSun, Jul 16, 2:54 PM PDT · 13593 days ago · 6 km deep · 41 km away
49. 1.912 km ESE of East Foothills, CaliforniaSun, Jul 16, 11:17 PM PDT · 13593 days ago · 8 km deep · 36 km away
50. 3.87 km NE of Hollister, CaliforniaTue, Jul 18, 4:07 AM PDT · 13591 days ago · 8 km deep · 91 km away
51. 2.37 km NE of Hollister, CaliforniaTue, Jul 18, 5:49 AM PDT · 13591 days ago · 6 km deep · 91 km away
52. 2.17 km NE of Hollister, CaliforniaTue, Jul 18, 5:52 AM PDT · 13591 days ago · 6 km deep · 92 km away
53. 3.17 km NE of Hollister, CaliforniaTue, Jul 18, 8:35 AM PDT · 13591 days ago · 6 km deep · 92 km away
54. 3.27 km E of East Foothills, CaliforniaTue, Jul 18, 8:53 AM PDT · 13591 days ago · 8 km deep · 29 km away
55. 1.67 km NE of Hollister, CaliforniaTue, Jul 18, 10:37 AM PDT · 13591 days ago · 6 km deep · 92 km away
56. 1.87 km NE of Hollister, CaliforniaTue, Jul 18, 3:16 PM PDT · 13591 days ago · 6 km deep · 91 km away
57. 3.37 km NE of Hollister, CaliforniaWed, Jul 19, 10:58 PM PDT · 13590 days ago · 8 km deep · 92 km away
58. 1.77 km NE of Hollister, CaliforniaThu, Jul 20, 12:12 AM PDT · 13589 days ago · 7 km deep · 92 km away
59. 2.57 km NE of Hollister, CaliforniaThu, Jul 20, 8:32 AM PDT · 13589 days ago · 7 km deep · 91 km away
60. 2.012 km ENE of East Foothills, CaliforniaThu, Jul 20, 4:44 PM PDT · 13589 days ago · 8 km deep · 26 km away

The first 60 of 121.

Before

1. 1.810 km NW of Daly City, CaliforniaFri, Jun 16, 5:04 AM PDT · 13623 days ago · 11 km deep · 61 km away
2. 2.97 km ENE of Gilroy, CaliforniaFri, Jun 16, 1:38 AM PDT · 13623 days ago · 7 km deep · 73 km away
3. 1.68 km NE of Milpitas, CaliforniaTue, Jun 13, 11:48 AM PDT · 13626 days ago · 7 km deep · 15 km away
4. 2.32 km NNE of San Leandro, CaliforniaMon, Jun 12, 11:40 PM PDT · 13626 days ago · 3 km deep · 27 km away
5. 1.72 km SSW of Hollister, CaliforniaMon, Jun 12, 6:00 AM PDT · 13627 days ago · 8 km deep · 96 km away
6. 1.7Central CaliforniaSun, Jun 11, 4:22 AM PDT · 13628 days ago · 4 km deep · 94 km away
7. 2.17 km E of East Foothills, CaliforniaThu, Jun 8, 10:09 PM PDT · 13631 days ago · 7 km deep · 28 km away
8. 1.811 km SW of Brentwood, CaliforniaThu, Jun 8, 8:09 AM PDT · 13631 days ago · 19 km deep · 29 km away
9. 1.86 km ENE of East Foothills, CaliforniaThu, Jun 8, 7:46 AM PDT · 13631 days ago · 7 km deep · 26 km away
10. 1.87 km NNE of East Foothills, CaliforniaWed, Jun 7, 11:50 PM PDT · 13631 days ago · 8 km deep · 21 km away
11. 2.66 km ENE of East Foothills, CaliforniaMon, Jun 5, 6:38 PM PDT · 13634 days ago · 10 km deep · 24 km away
12. 2.33 km ESE of Aromas, CaliforniaSun, Jun 4, 1:52 AM PDT · 13635 days ago · 7 km deep · 85 km away
13. 1.617 km NW of Pacific Grove, CaliforniaThu, Jun 1, 11:52 PM PDT · 13637 days ago · 11 km deep · 99 km away
14. 1.72 km W of Cambrian Park, CaliforniaThu, Jun 1, 2:17 AM PDT · 13638 days ago · 7 km deep · 39 km away
15. 1.512 km SSW of Muir Beach, CaliforniaMon, May 29, 2:11 AM PDT · 13641 days ago · 0 km deep · 66 km away
16. 2.30 km SSW of Pittsburg, CaliforniaSat, May 27, 7:52 PM PDT · 13643 days ago · 15 km deep · 47 km away
17. 1.92 km W of Cambrian Park, CaliforniaSat, May 27, 5:26 AM PDT · 13643 days ago · 8 km deep · 39 km away
18. 2.410 km NE of San Martin, CaliforniaFri, May 26, 8:31 AM PDT · 13644 days ago · 8 km deep · 58 km away
19. 1.84 km E of Union City, CaliforniaFri, May 26, 5:06 AM PDT · 13644 days ago · 10 km deep · 7 km away
20. 1.810 km ENE of Seven Trees, CaliforniaThu, May 25, 9:17 PM PDT · 13645 days ago · 5 km deep · 36 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc138406. Read Sat, Oct 3, 2026, 5:58 PM UTC.