M1.9 earthquake 10 km WSW of Volcano, Hawaii

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Thu, Aug 28, 1986, 11:01 PM HST

UTC

1986-08-29 09:01:22 UTC

Depth

5.6 km (3.5 mi), shallow

Epicenter

19.407° N, 155.328° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

84°

Stations used

19

• Volcano, HawaiiPopulation 2,575. Forecast11 kmWSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast43 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast338 kmSE

After

1. 1.713 km SSE of Volcano, HawaiiFri, Aug 29, 5:19 AM HST · 14646 days ago · 7 km deep · 16 km away
2. 1.613 km WSW of Volcano, HawaiiFri, Aug 29, 12:05 PM HST · 14646 days ago · 38 km deep · 3 km away
3. 2.025 km W of Volcano, HawaiiFri, Aug 29, 5:30 PM HST · 14646 days ago · 7 km deep · 16 km away
4. 2.511 km NNE of P?hala, HawaiiFri, Aug 29, 7:00 PM HST · 14646 days ago · 8 km deep · 16 km away
5. 2.413 km SSE of Fern Forest, HawaiiFri, Aug 29, 10:14 PM HST · 14646 days ago · 8 km deep · 25 km away
6. 2.114 km SSE of Volcano, HawaiiSat, Aug 30, 2:39 AM HST · 14645 days ago · 5 km deep · 17 km away
7. 1.715 km S of Fern Forest, HawaiiSat, Aug 30, 9:26 AM HST · 14645 days ago · 2 km deep · 22 km away
8. 1.915 km S of Volcano, HawaiiSat, Aug 30, 2:17 PM HST · 14645 days ago · 6 km deep · 14 km away
9. 2.58 km N of Wai‘?hinu, HawaiiSun, Aug 31, 10:21 AM HST · 14644 days ago · 7 km deep · 43 km away
10. 2.211 km SSE of Waimea, HawaiiSun, Aug 31, 1:51 PM HST · 14644 days ago · 12 km deep · 66 km away
11. 2.119 km N of P?hala, HawaiiSun, Aug 31, 4:46 PM HST · 14644 days ago · 9 km deep · 13 km away
12. 2.023 km W of Volcano, HawaiiSun, Aug 31, 11:17 PM HST · 14644 days ago · -1 km deep · 15 km away
13. 1.614 km N of P?hala, HawaiiSun, Aug 31, 11:52 PM HST · 14644 days ago · 8 km deep · 19 km away
14. 2.011 km SSE of Waimea, HawaiiMon, Sep 1, 12:49 PM HST · 14643 days ago · 13 km deep · 66 km away
15. 1.525 km W of Volcano, HawaiiTue, Sep 2, 5:02 AM HST · 14642 days ago · 5 km deep · 16 km away
16. 1.711 km W of P?hala, HawaiiTue, Sep 2, 8:32 PM HST · 14642 days ago · 3 km deep · 36 km away
17. 1.817 km SSW of Volcano, HawaiiTue, Sep 2, 11:55 PM HST · 14642 days ago · 30 km deep · 12 km away
18. 2.314 km N of P?hala, HawaiiWed, Sep 3, 12:41 AM HST · 14642 days ago · 2 km deep · 20 km away
19. 2.325 km N of P?hala, HawaiiWed, Sep 3, 5:00 AM HST · 14641 days ago · 7 km deep · 18 km away
20. 1.67 km NW of P?hala, HawaiiWed, Sep 3, 1:12 PM HST · 14641 days ago · 6 km deep · 27 km away
21. 1.616 km N of P?hala, HawaiiWed, Sep 3, 4:37 PM HST · 14641 days ago · 8 km deep · 19 km away
22. 3.216 km N of P?hala, HawaiiWed, Sep 3, 4:55 PM HST · 14641 days ago · 8 km deep · 19 km away
23. 1.915 km N of P?hala, HawaiiWed, Sep 3, 4:57 PM HST · 14641 days ago · 8 km deep · 19 km away
24. 1.75 km SSW of Volcano, HawaiiWed, Sep 3, 7:58 PM HST · 14641 days ago · 2 km deep · 7 km away
25. 1.513 km SSE of Volcano, HawaiiWed, Sep 3, 8:01 PM HST · 14641 days ago · 6 km deep · 16 km away
26. 1.616 km SSE of Fern Forest, HawaiiThu, Sep 4, 9:01 AM HST · 14640 days ago · 6 km deep · 29 km away
27. 2.221 km SE of Leilani Estates, HawaiiThu, Sep 4, 12:28 PM HST · 14640 days ago · 37 km deep · 61 km away
28. 1.513 km SSE of Volcano, HawaiiThu, Sep 4, 1:58 PM HST · 14640 days ago · 8 km deep · 18 km away
29. 2.325 km W of Volcano, HawaiiThu, Sep 4, 9:29 PM HST · 14640 days ago · 7 km deep · 16 km away
30. 1.714 km S of Volcano, HawaiiFri, Sep 5, 2:33 AM HST · 14639 days ago · 5 km deep · 16 km away
31. 2.013 km SSE of Volcano, HawaiiFri, Sep 5, 4:55 AM HST · 14639 days ago · 7 km deep · 16 km away
32. 2.13 km W of P?hala, HawaiiFri, Sep 5, 10:50 AM HST · 14639 days ago · 5 km deep · 30 km away
33. 3.017 km SSW of Volcano, HawaiiFri, Sep 5, 11:12 AM HST · 14639 days ago · 30 km deep · 12 km away
34. 1.824 km W of Volcano, HawaiiFri, Sep 5, 9:13 PM HST · 14639 days ago · 7 km deep · 15 km away
35. 1.821 km WSW of Volcano, HawaiiSat, Sep 6, 3:29 AM HST · 14638 days ago · 9 km deep · 11 km away
36. 1.913 km SSE of Fern Forest, HawaiiSat, Sep 6, 1:33 PM HST · 14638 days ago · 7 km deep · 27 km away
37. 1.716 km SW of Leilani Estates, HawaiiSat, Sep 6, 3:43 PM HST · 14638 days ago · 4 km deep · 33 km away
38. 2.03 km NNW of P?hala, HawaiiSun, Sep 7, 11:46 AM HST · 14637 days ago · 10 km deep · 26 km away
39. 1.616 km SE of Fern Forest, HawaiiMon, Sep 8, 1:55 AM HST · 14637 days ago · 7 km deep · 31 km away
40. 2.0Island of Hawaii, HawaiiMon, Sep 8, 7:46 AM HST · 14636 days ago · 9 km deep · 13 km away
41. 2.08 km SSE of Fern Forest, HawaiiMon, Sep 8, 11:30 AM HST · 14636 days ago · 2 km deep · 23 km away
42. 2.112 km SSE of Volcano, HawaiiMon, Sep 8, 12:30 PM HST · 14636 days ago · 8 km deep · 16 km away
43. 1.516 km S of Fern Forest, HawaiiMon, Sep 8, 7:36 PM HST · 14636 days ago · 8 km deep · 23 km away
44. 3.014 km SSE of Volcano, HawaiiMon, Sep 8, 8:12 PM HST · 14636 days ago · 9 km deep · 17 km away
45. 1.914 km SSE of Volcano, HawaiiMon, Sep 8, 8:14 PM HST · 14636 days ago · 5 km deep · 17 km away
46. 2.016 km SE of Fern Forest, HawaiiTue, Sep 9, 7:25 AM HST · 14635 days ago · 7 km deep · 31 km away
47. 1.57 km SW of Volcano, HawaiiTue, Sep 9, 7:36 AM HST · 14635 days ago · 2 km deep · 5 km away
48. 2.267 km ESE of Naalehu, HawaiiTue, Sep 9, 2:42 PM HST · 14635 days ago · 9 km deep · 79 km away
49. 1.714 km SSE of Volcano, HawaiiTue, Sep 9, 7:42 PM HST · 14635 days ago · 5 km deep · 17 km away
50. 1.515 km S of Fern Forest, HawaiiWed, Sep 10, 5:06 AM HST · 14634 days ago · 5 km deep · 22 km away
51. 2.2Island of Hawaii, HawaiiWed, Sep 10, 6:12 PM HST · 14634 days ago · 10 km deep · 54 km away
52. 1.713 km SSE of Volcano, HawaiiThu, Sep 11, 6:45 AM HST · 14633 days ago · 7 km deep · 17 km away
53. 1.815 km S of Fern Forest, HawaiiThu, Sep 11, 7:13 AM HST · 14633 days ago · 6 km deep · 22 km away
54. 2.56 km NE of Puako, HawaiiThu, Sep 11, 2:40 PM HST · 14633 days ago · 12 km deep · 83 km away
55. 2.97 km E of P?pa‘ikou, HawaiiThu, Sep 11, 4:07 PM HST · 14633 days ago · 41 km deep · 54 km away
56. 1.824 km W of Volcano, HawaiiThu, Sep 11, 5:57 PM HST · 14633 days ago · 7 km deep · 16 km away
57. 1.515 km S of Volcano, HawaiiThu, Sep 11, 7:34 PM HST · 14633 days ago · 6 km deep · 15 km away
58. 1.6Island of Hawaii, HawaiiThu, Sep 11, 8:15 PM HST · 14633 days ago · 9 km deep · 4 km away
59. 1.99 km WSW of Volcano, HawaiiFri, Sep 12, 5:55 AM HST · 14632 days ago · 6 km deep · 1 km away
60. 1.611 km WSW of Volcano, HawaiiFri, Sep 12, 5:43 PM HST · 14632 days ago · 8 km deep · 2 km away

The first 60 of 198.

Before

1. 1.714 km SSW of Volcano, HawaiiThu, Aug 28, 10:31 PM HST · 14647 days ago · 7 km deep · 12 km away
2. 1.615 km S of Fern Forest, HawaiiThu, Aug 28, 7:37 PM HST · 14647 days ago · 7 km deep · 25 km away
3. 2.018 km S of Honaunau-Napoopoo, HawaiiThu, Aug 28, 6:58 PM HST · 14647 days ago · 7 km deep · 57 km away
4. 1.610 km SE of Fern Forest, HawaiiThu, Aug 28, 10:54 AM HST · 14647 days ago · 42 km deep · 27 km away
5. 1.920 km N of P?hala, HawaiiThu, Aug 28, 5:08 AM HST · 14647 days ago · 5 km deep · 19 km away
6. 1.59 km NNE of P?hala, HawaiiWed, Aug 27, 9:52 AM HST · 14648 days ago · 7 km deep · 18 km away
7. 2.114 km SSW of Volcano, HawaiiWed, Aug 27, 8:31 AM HST · 14648 days ago · 7 km deep · 12 km away
8. 2.611 km SSE of Volcano, HawaiiWed, Aug 27, 5:46 AM HST · 14648 days ago · 31 km deep · 16 km away
9. 1.811 km NE of P?hala, HawaiiWed, Aug 27, 3:42 AM HST · 14648 days ago · 33 km deep · 16 km away
10. 1.77 km NNE of P?hala, HawaiiWed, Aug 27, 12:43 AM HST · 14649 days ago · 7 km deep · 20 km away
11. 1.613 km SSE of Volcano, HawaiiTue, Aug 26, 7:54 PM HST · 14649 days ago · 6 km deep · 16 km away
12. 1.825 km W of Volcano, HawaiiTue, Aug 26, 5:47 PM HST · 14649 days ago · 4 km deep · 16 km away
13. 1.815 km N of P?hala, HawaiiTue, Aug 26, 2:47 PM HST · 14649 days ago · 6 km deep · 18 km away
14. 2.721 km N of P?hala, HawaiiTue, Aug 26, 2:12 PM HST · 14649 days ago · 8 km deep · 13 km away
15. 1.87 km SSW of Volcano, HawaiiTue, Aug 26, 11:04 AM HST · 14649 days ago · 2 km deep · 8 km away
16. 1.823 km N of P?hala, HawaiiTue, Aug 26, 5:05 AM HST · 14649 days ago · 5 km deep · 17 km away
17. 2.113 km SSE of Volcano, HawaiiMon, Aug 25, 1:09 PM HST · 14650 days ago · 8 km deep · 17 km away
18. 1.914 km SSE of Volcano, HawaiiMon, Aug 25, 6:56 AM HST · 14650 days ago · 7 km deep · 18 km away
19. 2.36 km NNW of P?hala, HawaiiMon, Aug 25, 6:48 AM HST · 14650 days ago · 1 km deep · 24 km away
20. 1.818 km N of P?hala, HawaiiMon, Aug 25, 6:47 AM HST · 14650 days ago · 6 km deep · 17 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv221172. Read Sun, Oct 4, 2026, 11:37 PM UTC.