M1.6 earthquake 2 km WNW of Concord, CA

Magnitude

1.6 (md), micro

Local time

Thu, Aug 13, 2026, 9:15 PM PDT

UTC

2026-08-14 04:15:53 UTC

Depth

17.1 km (10.7 mi), shallow

Epicenter

37.977° N, 122.038° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

80°

Stations used

37

• Concord, CaliforniaPopulation 128,667. Forecast1 kmW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast554 kmNW

After

1. 1.61 km ENE of Hayward, CASat, Aug 15, 11:11 AM PDT · 38 days ago · 6 km deep · 37 km away
2. 1.815 km E of Seven Trees, CASat, Aug 15, 12:35 PM PDT · 38 days ago · 6 km deep · 83 km away
3. 2.52 km SE of Concord, CAMon, Aug 17, 1:18 AM PDT · 37 days ago · 16 km deep · 5 km away · felt by 13
4. 1.93 km NNE of Portola Valley, CATue, Aug 18, 2:30 AM PDT · 36 days ago · 5 km deep · 65 km away · felt by 1
5. 1.76 km SSE of Portola Valley, CATue, Aug 18, 7:04 AM PDT · 35 days ago · 9 km deep · 73 km away
6. 1.83 km NNE of Portola Valley, CATue, Aug 18, 10:05 AM PDT · 35 days ago · 5 km deep · 65 km away
7. 1.53 km ESE of Woodside, CATue, Aug 18, 11:18 AM PDT · 35 days ago · 5 km deep · 65 km away
8. 1.84 km ENE of Saint Helena, CAThu, Aug 20, 9:19 PM PDT · 33 days ago · 8 km deep · 69 km away
9. 2.35 km SSW of Alameda, CAFri, Aug 21, 4:38 AM PDT · 32 days ago · 16 km deep · 34 km away · felt by 8
10. 1.61 km ESE of Pacifica, CASat, Aug 22, 11:24 AM PDT · 31 days ago · 9 km deep · 56 km away
11. 1.91 km WNW of Lafayette, CAWed, Aug 26, 1:57 AM PDT · 28 days ago · 14 km deep · 13 km away · felt by 1
12. 2.12 km ESE of Pacifica, CAWed, Aug 26, 7:13 PM PDT · 27 days ago · 10 km deep · 56 km away · felt by 11
13. 1.611 km SE of Sunol, CAThu, Aug 27, 1:08 AM PDT · 27 days ago · 7 km deep · 55 km away
14. 1.614 km ESE of Hidden Valley Lake, CAFri, Aug 28, 9:44 AM PDT · 25 days ago · 7 km deep · 92 km away
15. 1.71 km SE of Pacifica, CAFri, Aug 28, 1:28 PM PDT · 25 days ago · 10 km deep · 56 km away
16. 1.86 km ESE of Santa Rosa, CAFri, Aug 28, 5:42 PM PDT · 25 days ago · 10 km deep · 72 km away
17. 1.711 km ESE of Angwin, CASat, Aug 29, 3:53 PM PDT · 24 days ago · 6 km deep · 68 km away
18. 2.03 km SE of Pacifica, CASun, Aug 30, 2:04 AM PDT · 24 days ago · 9 km deep · 56 km away · felt by 7
19. 1.62 km ESE of Pacifica, CASun, Aug 30, 9:38 AM PDT · 23 days ago · 9 km deep · 56 km away
20. 1.63 km ESE of Hayward, CAWed, Sep 2, 4:21 AM PDT · 20 days ago · 7 km deep · 39 km away
21. 3.33 km ESE of Larkfield-Wikiup, CAThu, Sep 3, 10:33 AM PDT · 19 days ago · 9 km deep · 83 km away · felt by 1,843
22. 1.69 km W of Patterson, CAThu, Sep 3, 1:10 PM PDT · 19 days ago · 6 km deep · 92 km away
23. 1.515 km E of Seven Trees, CAFri, Sep 4, 2:56 PM PDT · 18 days ago · 2 km deep · 83 km away
24. 1.77 km SSW of Brentwood, CAFri, Sep 4, 9:35 PM PDT · 18 days ago · 16 km deep · 27 km away
25. 1.50 km SSW of Angwin, CAMon, Sep 7, 12:01 PM PDT · 15 days ago · 0 km deep · 76 km away
26. 1.81 km SW of Diablo, CATue, Sep 8, 5:44 AM PDT · 14 days ago · 7 km deep · 18 km away
27. 1.85 km N of Alum Rock, CAWed, Sep 9, 10:51 AM PDT · 13 days ago · 0 km deep · 66 km away
28. 1.98 km NE of Alum Rock, CAWed, Sep 9, 3:54 PM PDT · 13 days ago · 7 km deep · 68 km away
29. 2.52 km ESE of Oakland, CAWed, Sep 9, 7:52 PM PDT · 13 days ago · 10 km deep · 26 km away · felt by 64
30. 2.13 km W of Dublin, CAThu, Sep 10, 2:27 PM PDT · 12 days ago · 10 km deep · 31 km away
31. 2.13 km W of Dublin, CAThu, Sep 10, 3:00 PM PDT · 12 days ago · 10 km deep · 31 km away · felt by 1
32. 2.13 km WNW of Dublin, CAThu, Sep 10, 3:02 PM PDT · 12 days ago · 10 km deep · 30 km away
33. 3.19 km ENE of Blackhawk, CASat, Sep 12, 12:25 AM PDT · 11 days ago · 16 km deep · 23 km away · felt by 257
34. 1.616 km E of Seven Trees, CASat, Sep 12, 11:55 PM PDT · 10 days ago · 6 km deep · 83 km away
35. 2.59 km SW of Brentwood, CASun, Sep 13, 3:06 PM PDT · 9 days ago · 17 km deep · 24 km away · felt by 5
36. 2.51 km E of Woodside, CASun, Sep 13, 5:44 PM PDT · 9 days ago · 4 km deep · 63 km away · felt by 179
37. 2.01 km E of Woodside, CASun, Sep 13, 5:45 PM PDT · 9 days ago · 4 km deep · 63 km away · felt by 5
38. 1.71 km ENE of Woodside, CASun, Sep 13, 5:52 PM PDT · 9 days ago · 4 km deep · 63 km away
39. 3.09 km SW of Brentwood, CAMon, Sep 14, 6:47 AM PDT · 8 days ago · 17 km deep · 23 km away · felt by 52
40. 2.43 km WNW of Dublin, CATue, Sep 15, 1:00 PM PDT · 7 days ago · 10 km deep · 31 km away · felt by 3
41. 1.96 km SW of Antioch, CATue, Sep 15, 4:23 PM PDT · 7 days ago · 14 km deep · 16 km away
42. 2.73 km ESE of Santa Rosa, CATue, Sep 15, 6:40 PM PDT · 7 days ago · 9 km deep · 75 km away · felt by 171
43. 1.64 km ESE of Santa Rosa, CATue, Sep 15, 7:00 PM PDT · 7 days ago · 8 km deep · 75 km away
44. 1.94 km ESE of Santa Rosa, CAWed, Sep 16, 5:21 AM PDT · 6 days ago · 8 km deep · 75 km away
45. 1.63 km W of Dublin, CAWed, Sep 16, 7:53 AM PDT · 6 days ago · 10 km deep · 31 km away
46. 2.23 km W of Dublin, CAWed, Sep 16, 7:54 AM PDT · 6 days ago · 10 km deep · 31 km away
47. 2.03 km W of Dublin, CAWed, Sep 16, 12:15 PM PDT · 6 days ago · 9 km deep · 31 km away
48. 2.621 km E of Alum Rock, CAWed, Sep 16, 8:07 PM PDT · 6 days ago · 6 km deep · 81 km away · felt by 5
49. 1.84 km NNE of Pacifica, CAThu, Sep 17, 2:32 AM PDT · 6 days ago · 4 km deep · 53 km away
50. 1.88 km W of Saint Helena, CAThu, Sep 17, 7:12 PM PDT · 5 days ago · 8 km deep · 73 km away
51. 1.87 km W of Saint Helena, CAFri, Sep 18, 3:35 AM PDT · 5 days ago · 9 km deep · 73 km away
52. 2.510 km ENE of Milpitas, CASat, Sep 19, 3:52 AM PDT · 4 days ago · 3 km deep · 60 km away · felt by 9
53. 2.12 km NE of Pacifica, CASat, Sep 19, 5:16 PM PDT · 3 days ago · 7 km deep · 55 km away · felt by 8
54. 1.72 km NNE of Pleasant Hill, CASun, Sep 20, 5:44 PM PDT · 46 hr ago · 15 km deep · 1 km away
55. 2.09 km ESE of Livermore, CASun, Sep 20, 10:18 PM PDT · 41 hr ago · 10 km deep · 49 km away
56. 1.73 km ENE of San Rafael, CASun, Sep 20, 10:41 PM PDT · 41 hr ago · 11 km deep · 41 km away
57. 1.58 km E of Alum Rock, CAMon, Sep 21, 5:46 PM PDT · 22 hr ago · 2 km deep · 74 km away
58. 2.32 km SE of Pacifica, CAMon, Sep 21, 8:24 PM PDT · 19 hr ago · 9 km deep · 56 km away · felt by 52

Before

1. 1.513 km SE of Middletown, CAThu, Aug 13, 5:41 PM PDT · 40 days ago · 4 km deep · 88 km away
2. 2.23 km NNE of San Leandro, CAThu, Aug 13, 11:34 AM PDT · 40 days ago · 5 km deep · 27 km away · felt by 9
3. 1.64 km NNE of San Leandro, CAThu, Aug 13, 9:38 AM PDT · 40 days ago · 6 km deep · 26 km away
4. 2.84 km N of San Leandro, CAThu, Aug 13, 9:07 AM PDT · 40 days ago · 6 km deep · 26 km away · felt by 227
5. 3.83 km N of San Leandro, CAThu, Aug 13, 8:30 AM PDT · 40 days ago · 6 km deep · 27 km away · felt by 7,876
6. 1.78 km WSW of Byron, CAThu, Aug 13, 7:58 AM PDT · 40 days ago · 0 km deep · 33 km away
7. 2.13 km NNE of San Leandro, CAWed, Aug 12, 8:26 PM PDT · 41 days ago · 5 km deep · 27 km away · felt by 25
8. 2.19 km ENE of Morgan Hill, CAWed, Aug 12, 2:41 PM PDT · 41 days ago · 4 km deep · 100 km away · felt by 4
9. 1.75 km W of Glen Ellen, CAWed, Aug 12, 2:06 AM PDT · 42 days ago · 1 km deep · 64 km away · felt by 1
10. 1.90 km SSW of Pleasant Hill, CATue, Aug 11, 8:21 PM PDT · 42 days ago · 11 km deep · 4 km away
11. 2.17 km W of Kenwood, CASun, Aug 9, 3:11 PM PDT · 44 days ago · 8 km deep · 70 km away
12. 1.79 km NNE of Larkfield-Wikiup, CASun, Aug 9, 6:47 AM PDT · 44 days ago · 3 km deep · 89 km away
13. 2.02 km SSW of Alamo, CASat, Aug 8, 3:18 PM PDT · 45 days ago · 14 km deep · 16 km away · felt by 2
14. 1.82 km SW of Alamo, CASat, Aug 8, 4:49 AM PDT · 45 days ago · 13 km deep · 16 km away
15. 1.72 km ESE of Pacheco, CATue, Aug 4, 2:46 PM PDT · 49 days ago · 16 km deep · 2 km away
16. 2.612 km SE of Middletown, CAMon, Aug 3, 9:12 PM PDT · 50 days ago · 6 km deep · 88 km away · felt by 21
17. 2.115 km N of Morgan Hill, CAMon, Aug 3, 12:43 PM PDT · 50 days ago · 3 km deep · 87 km away
18. 2.28 km NE of Alum Rock, CATue, Jul 28, 3:39 PM PDT · 56 days ago · 9 km deep · 68 km away
19. 1.92 km SE of Oakland, CASun, Jul 26, 1:55 PM PDT · 58 days ago · 11 km deep · 26 km away · felt by 1
20. 2.44 km E of Saint Helena, CASat, Jul 25, 4:31 AM PDT · 59 days ago · 8 km deep · 69 km away · felt by 2

From the USGS Earthquake Hazards Program and its partner networks, event nc75418042. Read Tue, Sep 22, 2026, 10:32 PM UTC.