M1.6 earthquake 19 km SSE of Livermore, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Jul 18, 1981, 9:28 PM PDT

UTC

1981-07-19 04:28:42 UTC

Depth

2.4 km (1.5 mi), shallow

Epicenter

37.534° N, 121.659° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.27

Depth from

From location

Station coverage gap

46°

Stations used

27

• Livermore, CaliforniaPopulation 88,126. Forecast19 kmSSE
• Fremont, CaliforniaPopulation 232,206. Forecast29 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast495 kmNW

After

1. 1.68 km NE of Gilroy, CaliforniaSun, Jul 19, 9:00 PM PDT · 16513 days ago · 8 km deep · 54 km away
2. 2.27 km SSE of San Juan Bautista, CaliforniaSun, Jul 19, 9:39 PM PDT · 16513 days ago · 8 km deep · 84 km away
3. 1.69 km NE of San Martin, CaliforniaSun, Jul 19, 9:50 PM PDT · 16513 days ago · 9 km deep · 45 km away
4. 1.921 km NE of East Foothills, CaliforniaMon, Jul 20, 3:33 AM PDT · 16513 days ago · 3 km deep · 3 km away
5. 1.89 km NNW of Hollister, CaliforniaWed, Jul 22, 2:30 AM PDT · 16511 days ago · 4 km deep · 70 km away
6. 1.64 km NNE of East Foothills, CaliforniaWed, Jul 22, 7:18 AM PDT · 16511 days ago · 2 km deep · 18 km away
7. 1.615 km E of Seven Trees, CaliforniaThu, Jul 23, 3:23 AM PDT · 16510 days ago · 6 km deep · 28 km away
8. 1.54 km ENE of La Honda, CaliforniaFri, Jul 24, 12:16 AM PDT · 16509 days ago · 10 km deep · 55 km away
9. 1.99 km NE of Gilroy, CaliforniaSat, Jul 25, 12:34 PM PDT · 16508 days ago · 9 km deep · 53 km away
10. 1.58 km SSW of Ridgemark, CaliforniaSat, Jul 25, 5:01 PM PDT · 16507 days ago · 6 km deep · 91 km away
11. 2.3Northern CaliforniaSun, Jul 26, 4:46 PM PDT · 16506 days ago · 15 km deep · 71 km away
12. 2.04 km SE of Alum Rock, CaliforniaMon, Jul 27, 6:08 PM PDT · 16505 days ago · 3 km deep · 25 km away
13. 1.63 km WNW of Dublin, CaliforniaMon, Jul 27, 11:24 PM PDT · 16505 days ago · 6 km deep · 34 km away
14. 1.716 km S of Davenport, CaliforniaMon, Jul 27, 11:54 PM PDT · 16505 days ago · 4 km deep · 88 km away
15. 1.77 km ESE of East Foothills, CaliforniaTue, Jul 28, 12:39 AM PDT · 16505 days ago · 1 km deep · 21 km away
16. 1.615 km N of Morgan Hill, CaliforniaTue, Jul 28, 2:26 AM PDT · 16505 days ago · 2 km deep · 30 km away
17. 1.811 km S of Tres Pinos, CaliforniaTue, Jul 28, 6:47 AM PDT · 16505 days ago · 4 km deep · 99 km away
18. 2.12 km ESE of Aromas, CaliforniaTue, Jul 28, 1:38 PM PDT · 16505 days ago · 7 km deep · 73 km away
19. 1.63 km ESE of Aromas, CaliforniaTue, Jul 28, 2:08 PM PDT · 16504 days ago · 7 km deep · 73 km away
20. 1.58 km NE of San Martin, CaliforniaTue, Jul 28, 2:49 PM PDT · 16504 days ago · 8 km deep · 46 km away
21. 2.210 km SW of Brentwood, CaliforniaTue, Jul 28, 10:19 PM PDT · 16504 days ago · 16 km deep · 37 km away
22. 2.32 km SW of Blackhawk, CaliforniaWed, Jul 29, 7:03 PM PDT · 16503 days ago · 15 km deep · 39 km away
23. 1.93 km SW of Blackhawk, CaliforniaWed, Jul 29, 8:05 PM PDT · 16503 days ago · 14 km deep · 38 km away
24. 1.811 km SW of Brentwood, CaliforniaThu, Jul 30, 7:13 AM PDT · 16503 days ago · 6 km deep · 36 km away
25. 1.89 km NNE of East Foothills, CaliforniaThu, Jul 30, 9:25 AM PDT · 16503 days ago · 6 km deep · 14 km away
26. 2.110 km SW of Brentwood, CaliforniaFri, Jul 31, 5:23 AM PDT · 16502 days ago · 16 km deep · 37 km away
27. 2.33 km SSW of Antioch, CaliforniaFri, Jul 31, 5:31 AM PDT · 16502 days ago · 15 km deep · 51 km away
28. 2.213 km NE of East Foothills, CaliforniaFri, Jul 31, 8:41 AM PDT · 16502 days ago · 8 km deep · 8 km away
29. 1.63 km WSW of Blackhawk, CaliforniaFri, Jul 31, 10:44 AM PDT · 16502 days ago · 16 km deep · 39 km away
30. 2.516 km ENE of San Martin, CaliforniaSat, Aug 1, 10:05 AM PDT · 16501 days ago · 7 km deep · 45 km away
31. 2.69 km NE of Gilroy, CaliforniaMon, Aug 3, 8:05 PM PDT · 16498 days ago · 9 km deep · 55 km away
32. 2.78 km SSW of Tres Pinos, CaliforniaTue, Aug 4, 6:21 AM PDT · 16498 days ago · 2 km deep · 93 km away
33. 3.18 km SSW of Tres Pinos, CaliforniaTue, Aug 4, 6:27 AM PDT · 16498 days ago · 2 km deep · 93 km away
34. 1.96 km SSW of Green Valley, CaliforniaTue, Aug 4, 8:55 PM PDT · 16497 days ago · 8 km deep · 87 km away
35. 1.613 km N of Morgan Hill, CaliforniaFri, Aug 7, 3:08 AM PDT · 16495 days ago · 6 km deep · 31 km away
36. 1.97 km NE of Ridgemark, CaliforniaFri, Aug 7, 4:24 AM PDT · 16495 days ago · 6 km deep · 81 km away
37. 1.88 km ENE of Gilroy, CaliforniaFri, Aug 7, 8:01 AM PDT · 16495 days ago · 6 km deep · 59 km away
38. 1.619 km E of Tres Pinos, CaliforniaSat, Aug 8, 6:47 AM PDT · 16494 days ago · 5 km deep · 96 km away
39. 1.611 km ESE of Tres Pinos, CaliforniaSat, Aug 8, 10:27 PM PDT · 16493 days ago · 10 km deep · 97 km away
40. 1.66 km SW of Moraga, CaliforniaSat, Aug 8, 10:43 PM PDT · 16493 days ago · 10 km deep · 54 km away
41. 2.07 km E of East Foothills, CaliforniaSun, Aug 9, 6:38 AM PDT · 16493 days ago · 7 km deep · 19 km away
42. 1.87 km E of East Foothills, CaliforniaSun, Aug 9, 6:41 AM PDT · 16493 days ago · 7 km deep · 18 km away
43. 1.99 km WSW of Brentwood, CaliforniaSun, Aug 9, 7:29 AM PDT · 16493 days ago · 16 km deep · 43 km away
44. 1.55 km SSW of Gilroy, CaliforniaMon, Aug 10, 5:36 AM PDT · 16492 days ago · 7 km deep · 63 km away
45. 1.97 km N of Hollister, CaliforniaMon, Aug 10, 11:45 PM PDT · 16491 days ago · 7 km deep · 73 km away
46. 1.97 km N of Hollister, CaliforniaTue, Aug 11, 12:01 AM PDT · 16491 days ago · 8 km deep · 73 km away
47. 2.710 km ESE of East Foothills, CaliforniaTue, Aug 11, 2:41 PM PDT · 16490 days ago · 8 km deep · 22 km away
48. 1.610 km E of Gilroy, CaliforniaTue, Aug 11, 3:11 PM PDT · 16490 days ago · 5 km deep · 62 km away
49. 1.76 km E of Suisun, CaliforniaTue, Aug 11, 8:28 PM PDT · 16490 days ago · 5 km deep · 83 km away
50. 1.77 km E of Fairfield, CaliforniaTue, Aug 11, 9:17 PM PDT · 16490 days ago · 5 km deep · 83 km away
51. 1.79 km NE of San Martin, CaliforniaTue, Aug 11, 11:28 PM PDT · 16490 days ago · 8 km deep · 44 km away
52. 1.6Northern CaliforniaWed, Aug 12, 1:54 PM PDT · 16490 days ago · 13 km deep · 51 km away
53. 1.612 km ESE of East Foothills, CaliforniaWed, Aug 12, 4:12 PM PDT · 16489 days ago · 5 km deep · 23 km away
54. 1.76 km SE of Lexington Hills, CaliforniaThu, Aug 13, 5:32 PM PDT · 16488 days ago · 11 km deep · 50 km away
55. 4.22 km ESE of Tres Pinos, CaliforniaFri, Aug 14, 5:49 AM PDT · 16488 days ago · 9 km deep · 90 km away
56. 2.63 km ESE of Tres Pinos, CaliforniaFri, Aug 14, 5:53 AM PDT · 16488 days ago · 8 km deep · 91 km away
57. 1.65 km WSW of Gilroy, CaliforniaFri, Aug 14, 10:43 AM PDT · 16488 days ago · 4 km deep · 62 km away
58. 2.94 km W of San Juan Bautista, CaliforniaSat, Aug 15, 2:22 AM PDT · 16487 days ago · 6 km deep · 76 km away
59. 1.52 km ESE of Tres Pinos, CaliforniaSat, Aug 15, 11:00 PM PDT · 16486 days ago · 8 km deep · 90 km away
60. 1.511 km S of Tres Pinos, CaliforniaSun, Aug 16, 12:22 AM PDT · 16486 days ago · 2 km deep · 98 km away

The first 60 of 109.

Before

1. 2.02 km NW of Broadmoor, CaliforniaSat, Jul 18, 12:10 PM PDT · 16515 days ago · 3 km deep · 77 km away
2. 2.52 km S of San Juan Bautista, CaliforniaSat, Jul 18, 3:22 AM PDT · 16515 days ago · 4 km deep · 80 km away
3. 3.02 km SSW of San Juan Bautista, CaliforniaSat, Jul 18, 1:51 AM PDT · 16515 days ago · 5 km deep · 79 km away
4. 2.12 km SSW of Broadmoor, CaliforniaFri, Jul 17, 5:32 PM PDT · 16515 days ago · 4 km deep · 75 km away
5. 2.111 km SW of Brentwood, CaliforniaThu, Jul 16, 3:21 AM PDT · 16517 days ago · 15 km deep · 37 km away
6. 1.84 km N of Hollister, CaliforniaWed, Jul 15, 8:54 AM PDT · 16518 days ago · 8 km deep · 75 km away
7. 1.69 km NE of San Martin, CaliforniaWed, Jul 15, 5:20 AM PDT · 16518 days ago · 7 km deep · 45 km away
8. 1.711 km ESE of East Foothills, CaliforniaTue, Jul 14, 2:25 PM PDT · 16518 days ago · 7 km deep · 23 km away
9. 2.314 km E of Seven Trees, CaliforniaTue, Jul 14, 4:23 AM PDT · 16519 days ago · 3 km deep · 27 km away
10. 1.97 km NE of San Juan Bautista, CaliforniaMon, Jul 13, 11:14 PM PDT · 16519 days ago · 8 km deep · 73 km away
11. 2.116 km NE of East Foothills, CaliforniaMon, Jul 13, 4:42 PM PDT · 16519 days ago · 6 km deep · 6 km away
12. 1.67 km ESE of Prunedale, CaliforniaSun, Jul 12, 3:48 PM PDT · 16520 days ago · 8 km deep · 86 km away
13. 2.76 km ESE of Prunedale, CaliforniaSun, Jul 12, 3:43 PM PDT · 16520 days ago · 9 km deep · 86 km away
14. 2.65 km S of Gilroy, CaliforniaSun, Jul 12, 6:53 AM PDT · 16521 days ago · 4 km deep · 64 km away
15. 1.72 km NE of Union City, CaliforniaSat, Jul 11, 5:16 PM PDT · 16521 days ago · 6 km deep · 31 km away
16. 2.83 km NNW of Hollister, CaliforniaSat, Jul 11, 3:34 AM PDT · 16522 days ago · 8 km deep · 75 km away
17. 1.612 km ENE of East Foothills, CaliforniaWed, Jul 8, 7:56 AM PDT · 16525 days ago · 8 km deep · 14 km away
18. 1.922 km SE of Livermore, CaliforniaWed, Jul 8, 7:30 AM PDT · 16525 days ago · 7 km deep · 9 km away
19. 1.8Northern CaliforniaWed, Jul 8, 6:58 AM PDT · 16525 days ago · 7 km deep · 9 km away
20. 2.47 km W of Mountain House, CaliforniaTue, Jul 7, 5:57 AM PDT · 16526 days ago · 7 km deep · 27 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1065724. Read Mon, Oct 5, 2026, 8:31 AM UTC.