M1.8 earthquake 16 km SSE of Livermore, California

Magnitude

1.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Jan 27, 1987, 12:42 PM PST

UTC

1987-01-27 20:42:47 UTC

Depth

1.4 km (0.9 mi), shallow

Epicenter

37.554° N, 121.666° 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

±0.07

Depth from

From location

Station coverage gap

44°

Stations used

25

• Livermore, CaliforniaPopulation 88,126. Forecast17 kmSSE
• Fremont, CaliforniaPopulation 232,206. Forecast28 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast497 kmNW

After

1. 1.617 km SSE of Livermore, CaliforniaWed, Jan 28, 7:03 PM PST · 14492 days ago · 0 km deep · 1 km away
2. 1.915 km SSE of Livermore, CaliforniaThu, Jan 29, 8:10 AM PST · 14492 days ago · 4 km deep · 1 km away
3. 3.82 km ENE of San Leandro, CaliforniaThu, Jan 29, 5:34 PM PST · 14491 days ago · 12 km deep · 46 km away
4. 2.212 km ESE of East Foothills, CaliforniaThu, Jan 29, 7:37 PM PST · 14491 days ago · 7 km deep · 25 km away
5. 2.46 km ENE of Hollister, CaliforniaThu, Jan 29, 11:25 PM PST · 14491 days ago · 6 km deep · 80 km away
6. 1.96 km ENE of Hollister, CaliforniaFri, Jan 30, 7:38 AM PST · 14491 days ago · 6 km deep · 80 km away
7. 2.24 km N of San Mateo, CaliforniaSat, Jan 31, 3:34 AM PST · 14490 days ago · 8 km deep · 58 km away
8. 1.56 km ENE of Hollister, CaliforniaSat, Jan 31, 5:37 AM PST · 14490 days ago · 6 km deep · 80 km away
9. 2.76 km ENE of Hollister, CaliforniaSat, Jan 31, 1:20 PM PST · 14489 days ago · 6 km deep · 80 km away
10. 2.51 km NE of Aromas, CaliforniaSat, Jan 31, 8:12 PM PST · 14489 days ago · 5 km deep · 73 km away
11. 1.86 km ENE of Hollister, CaliforniaSat, Jan 31, 8:55 PM PST · 14489 days ago · 6 km deep · 80 km away
12. 2.84 km NW of Broadmoor, CaliforniaSun, Feb 1, 6:51 AM PST · 14489 days ago · 5 km deep · 77 km away
13. 3.44 km NW of Broadmoor, CaliforniaSun, Feb 1, 9:53 AM PST · 14489 days ago · 5 km deep · 77 km away
14. 1.84 km NW of Broadmoor, CaliforniaSun, Feb 1, 7:34 PM PST · 14488 days ago · 5 km deep · 78 km away
15. 2.33 km W of San Juan Bautista, CaliforniaMon, Feb 2, 7:42 PM PST · 14487 days ago · 6 km deep · 79 km away
16. 2.93 km W of San Juan Bautista, CaliforniaTue, Feb 3, 9:21 AM PST · 14487 days ago · 5 km deep · 79 km away
17. 1.722 km NE of East Foothills, CaliforniaTue, Feb 3, 10:56 AM PST · 14487 days ago · 8 km deep · 8 km away
18. 1.62 km WSW of San Juan Bautista, CaliforniaTue, Feb 3, 3:19 PM PST · 14486 days ago · 4 km deep · 80 km away
19. 1.65 km S of Gilroy, CaliforniaWed, Feb 4, 12:34 AM PST · 14486 days ago · 7 km deep · 67 km away
20. 1.816 km N of Morgan Hill, CaliforniaWed, Feb 4, 12:42 PM PST · 14485 days ago · 6 km deep · 31 km away
21. 2.38 km SSW of Tres Pinos, CaliforniaWed, Feb 4, 5:47 PM PST · 14485 days ago · 3 km deep · 97 km away
22. 1.58 km SSW of Tres Pinos, CaliforniaWed, Feb 4, 7:17 PM PST · 14485 days ago · 3 km deep · 97 km away
23. 1.78 km NW of Davenport, CaliforniaThu, Feb 5, 2:45 AM PST · 14485 days ago · 9 km deep · 74 km away
24. 1.512 km ESE of East Foothills, CaliforniaThu, Feb 5, 6:56 PM PST · 14484 days ago · 3 km deep · 22 km away
25. 1.619 km SSE of Livermore, CaliforniaSat, Feb 7, 9:23 AM PST · 14483 days ago · 6 km deep · 4 km away
26. 1.519 km SSE of Livermore, CaliforniaSat, Feb 7, 1:45 PM PST · 14482 days ago · 6 km deep · 4 km away
27. 2.610 km WSW of Ridgemark, CaliforniaSun, Feb 8, 4:50 AM PST · 14482 days ago · 6 km deep · 90 km away
28. 2.0Northern CaliforniaSun, Feb 8, 8:01 AM PST · 14482 days ago · 7 km deep · 12 km away
29. 1.515 km SSE of Livermore, CaliforniaSun, Feb 8, 10:44 AM PST · 14482 days ago · 4 km deep · 1 km away
30. 2.117 km NE of East Foothills, CaliforniaMon, Feb 9, 6:17 AM PST · 14481 days ago · 7 km deep · 6 km away
31. 2.317 km NE of East Foothills, CaliforniaMon, Feb 9, 7:57 AM PST · 14481 days ago · 7 km deep · 6 km away
32. 3.517 km NE of East Foothills, CaliforniaMon, Feb 9, 8:08 AM PST · 14481 days ago · 8 km deep · 6 km away
33. 2.218 km NE of East Foothills, CaliforniaMon, Feb 9, 8:09 AM PST · 14481 days ago · 8 km deep · 5 km away
34. 2.117 km NE of East Foothills, CaliforniaMon, Feb 9, 10:19 AM PST · 14481 days ago · 7 km deep · 6 km away
35. 1.818 km NE of East Foothills, CaliforniaMon, Feb 9, 12:40 PM PST · 14480 days ago · 8 km deep · 5 km away
36. 1.616 km SSE of Livermore, CaliforniaMon, Feb 9, 3:38 PM PST · 14480 days ago · 1 km deep · 0 km away
37. 2.118 km NE of East Foothills, CaliforniaMon, Feb 9, 8:41 PM PST · 14480 days ago · 8 km deep · 5 km away
38. 3.317 km NE of East Foothills, CaliforniaMon, Feb 9, 9:24 PM PST · 14480 days ago · 7 km deep · 6 km away
39. 2.26 km NE of Ridgemark, CaliforniaTue, Feb 10, 12:16 AM PST · 14480 days ago · 5 km deep · 84 km away
40. 1.816 km SSE of Livermore, CaliforniaTue, Feb 10, 10:18 AM PST · 14480 days ago · 1 km deep · 0 km away
41. 1.718 km NE of East Foothills, CaliforniaWed, Feb 11, 11:10 AM PST · 14478 days ago · 7 km deep · 5 km away
42. 1.914 km E of Seven Trees, CaliforniaWed, Feb 11, 3:21 PM PST · 14478 days ago · 6 km deep · 28 km away
43. 2.31 km NE of Aromas, CaliforniaThu, Feb 12, 5:46 AM PST · 14478 days ago · 5 km deep · 73 km away
44. 1.717 km NE of East Foothills, CaliforniaThu, Feb 12, 1:52 PM PST · 14477 days ago · 5 km deep · 6 km away
45. 1.65 km S of San Ramon, CaliforniaFri, Feb 13, 9:21 AM PST · 14477 days ago · 7 km deep · 34 km away
46. 1.711 km ESE of Livermore, CaliforniaSat, Feb 14, 10:48 AM PST · 14476 days ago · 6 km deep · 10 km away
47. 2.513 km ESE of Alum Rock, CaliforniaSat, Feb 14, 3:25 PM PST · 14475 days ago · 7 km deep · 27 km away
48. 2.513 km ESE of Alum Rock, CaliforniaSat, Feb 14, 3:27 PM PST · 14475 days ago · 7 km deep · 27 km away
49. 2.48 km NE of Gilroy, CaliforniaSat, Feb 14, 3:44 PM PST · 14475 days ago · 4 km deep · 57 km away
50. 1.81 km ENE of San Leandro, CaliforniaSun, Feb 15, 1:48 AM PST · 14475 days ago · 11 km deep · 46 km away
51. 2.45 km NE of East Foothills, CaliforniaSun, Feb 15, 5:11 PM PST · 14474 days ago · 7 km deep · 18 km away
52. 1.86 km ENE of Hollister, CaliforniaSun, Feb 15, 6:14 PM PST · 14474 days ago · 6 km deep · 80 km away
53. 2.110 km ESE of Gilroy, CaliforniaSun, Feb 15, 6:22 PM PST · 14474 days ago · 9 km deep · 67 km away
54. 1.74 km ESE of Rancho Calaveras, CaliforniaSun, Feb 15, 9:08 PM PST · 14474 days ago · 5 km deep · 97 km away
55. 1.96 km NE of Interlaken, CaliforniaMon, Feb 16, 1:14 AM PST · 14474 days ago · 9 km deep · 63 km away
56. 1.810 km ESE of Gilroy, CaliforniaMon, Feb 16, 9:37 AM PST · 14474 days ago · 9 km deep · 67 km away
57. 2.28 km SSE of Sunol, CaliforniaMon, Feb 16, 6:08 PM PST · 14473 days ago · 7 km deep · 16 km away
58. 1.817 km NE of East Foothills, CaliforniaTue, Feb 17, 12:47 AM PST · 14473 days ago · 8 km deep · 6 km away
59. 2.216 km SSE of Livermore, CaliforniaTue, Feb 17, 6:37 PM PST · 14472 days ago · 3 km deep · 1 km away
60. 1.516 km NE of East Foothills, CaliforniaTue, Feb 17, 9:54 PM PST · 14472 days ago · 7 km deep · 7 km away

The first 60 of 151.

Before

1. 1.916 km SSE of Livermore, CaliforniaTue, Jan 27, 12:41 PM PST · 14493 days ago · 1 km deep · 0 km away
2. 2.26 km SSW of Gilroy, CaliforniaMon, Jan 26, 4:54 PM PST · 14494 days ago · 4 km deep · 67 km away
3. 2.115 km N of Morgan Hill, CaliforniaMon, Jan 26, 12:41 PM PST · 14494 days ago · 2 km deep · 32 km away
4. 1.815 km N of Morgan Hill, CaliforniaMon, Jan 26, 9:18 AM PST · 14495 days ago · 2 km deep · 32 km away
5. 2.514 km E of Seven Trees, CaliforniaMon, Jan 26, 5:47 AM PST · 14495 days ago · 3 km deep · 29 km away
6. 2.110 km NNE of East Foothills, CaliforniaSun, Jan 25, 5:26 AM PST · 14496 days ago · 7 km deep · 13 km away
7. 1.713 km ENE of East Foothills, CaliforniaSat, Jan 24, 10:58 AM PST · 14497 days ago · 7 km deep · 13 km away
8. 1.54 km SSW of Loyola, CaliforniaSat, Jan 24, 12:27 AM PST · 14497 days ago · 6 km deep · 48 km away
9. 1.78 km ENE of Milpitas, CaliforniaFri, Jan 23, 9:34 PM PST · 14497 days ago · 7 km deep · 17 km away
10. 1.91 km W of Hollister, CaliforniaFri, Jan 23, 6:55 PM PST · 14497 days ago · 4 km deep · 81 km away
11. 1.815 km E of Seven Trees, CaliforniaThu, Jan 22, 10:14 AM PST · 14499 days ago · 6 km deep · 30 km away
12. 2.13 km WSW of Green Valley, CaliforniaThu, Jan 22, 1:56 AM PST · 14499 days ago · 8 km deep · 89 km away
13. 1.77 km NE of Tres Pinos, CaliforniaTue, Jan 20, 9:44 PM PST · 14500 days ago · 4 km deep · 87 km away
14. 1.78 km NE of Interlaken, CaliforniaTue, Jan 20, 3:05 PM PST · 14500 days ago · 4 km deep · 61 km away
15. 1.811 km E of Black Point-Green Point, CaliforniaTue, Jan 20, 6:00 AM PST · 14501 days ago · 16 km deep · 88 km away
16. 1.614 km SE of Livermore, CaliforniaMon, Jan 19, 3:49 PM PST · 14501 days ago · 4 km deep · 3 km away
17. 1.910 km NNW of Hollister, CaliforniaMon, Jan 19, 2:59 AM PST · 14502 days ago · 2 km deep · 71 km away
18. 1.69 km NE of San Martin, CaliforniaMon, Jan 19, 12:28 AM PST · 14502 days ago · 6 km deep · 45 km away
19. 4.29 km ENE of Morgan Hill, CaliforniaMon, Jan 19, 12:09 AM PST · 14502 days ago · 7 km deep · 45 km away
20. 1.610 km ESE of Blackhawk, CaliforniaSun, Jan 18, 3:48 PM PST · 14502 days ago · 9 km deep · 28 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc93349. Read Sat, Oct 3, 2026, 6:30 AM UTC.