M1.8 earthquake 19 km NW of Volcano, Hawaii

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Apr 21, 1986, 4:06 PM HST

UTC

1986-04-22 02:06:40 UTC

Depth

11.1 km (6.9 mi), shallow

Epicenter

19.546° N, 155.379° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 0.5 km in depth

Depth from

From location

Station coverage gap

92°

Stations used

24

• Volcano, HawaiiPopulation 2,575. Forecast19 kmNW
• Hilo, HawaiiPopulation 43,263. Forecast36 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast324 kmSE

After

1. 2.012 km S of Fern Forest, HawaiiMon, Apr 21, 6:11 PM HST · 14772 days ago · 7 km deep · 35 km away
2. 2.224 km E of Nanawale Estates, HawaiiTue, Apr 22, 2:41 AM HST · 14772 days ago · 8 km deep · 73 km away
3. 2.53 km SE of P?hala, HawaiiTue, Apr 22, 7:52 AM HST · 14772 days ago · 9 km deep · 42 km away
4. 2.224 km N of P?hala, HawaiiTue, Apr 22, 3:11 PM HST · 14771 days ago · 7 km deep · 18 km away
5. 4.316 km SSW of Volcano, HawaiiTue, Apr 22, 6:43 PM HST · 14771 days ago · 31 km deep · 30 km away
6. 2.516 km SSW of Volcano, HawaiiTue, Apr 22, 6:56 PM HST · 14771 days ago · 29 km deep · 30 km away
7. 2.216 km S of Volcano, HawaiiTue, Apr 22, 7:40 PM HST · 14771 days ago · 28 km deep · 30 km away
8. 3.215 km SSW of Volcano, HawaiiWed, Apr 23, 1:49 AM HST · 14771 days ago · 29 km deep · 29 km away
9. 2.111 km SSW of Leilani Estates, HawaiiWed, Apr 23, 4:37 AM HST · 14771 days ago · 8 km deep · 47 km away
10. 2.419 km WNW of Volcano, HawaiiWed, Apr 23, 8:44 PM HST · 14770 days ago · 2 km deep · 8 km away
11. 1.97 km N of P?hala, HawaiiThu, Apr 24, 5:19 AM HST · 14770 days ago · 9 km deep · 32 km away
12. 2.117 km SW of Leilani Estates, HawaiiThu, Apr 24, 8:33 PM HST · 14769 days ago · 7 km deep · 44 km away
13. 1.65 km SW of Volcano, HawaiiFri, Apr 25, 8:06 AM HST · 14769 days ago · 3 km deep · 20 km away
14. 2.39 km NW of Mountain View, HawaiiSat, Apr 26, 12:44 AM HST · 14768 days ago · 6 km deep · 24 km away
15. 2.615 km SSW of Volcano, HawaiiSat, Apr 26, 1:59 AM HST · 14768 days ago · 31 km deep · 29 km away
16. 2.116 km S of Volcano, HawaiiSat, Apr 26, 2:25 AM HST · 14768 days ago · 8 km deep · 32 km away
17. 1.916 km SE of Fern Forest, HawaiiSat, Apr 26, 4:56 AM HST · 14768 days ago · 7 km deep · 42 km away
18. 2.36 km N of P?hala, HawaiiSat, Apr 26, 1:56 PM HST · 14768 days ago · 9 km deep · 33 km away
19. 2.013 km E of Nanawale Estates, HawaiiSat, Apr 26, 5:25 PM HST · 14767 days ago · 8 km deep · 63 km away
20. 1.615 km SW of Leilani Estates, HawaiiSun, Apr 27, 2:45 AM HST · 14767 days ago · 4 km deep · 44 km away
21. 2.76 km WSW of Puako, HawaiiSun, Apr 27, 4:27 AM HST · 14767 days ago · 35 km deep · 70 km away
22. 2.013 km SSE of Volcano, HawaiiSun, Apr 27, 8:32 AM HST · 14767 days ago · 6 km deep · 31 km away
23. 2.015 km N of P?hala, HawaiiSun, Apr 27, 10:54 AM HST · 14767 days ago · 8 km deep · 26 km away
24. 2.0Island of Hawaii, HawaiiSun, Apr 27, 1:57 PM HST · 14767 days ago · 7 km deep · 37 km away
25. 2.021 km N of P?hala, HawaiiMon, Apr 28, 1:46 AM HST · 14766 days ago · 6 km deep · 21 km away
26. 1.813 km SSE of Volcano, HawaiiMon, Apr 28, 6:15 AM HST · 14766 days ago · 7 km deep · 31 km away
27. 1.89 km WSW of Volcano, HawaiiMon, Apr 28, 2:33 PM HST · 14766 days ago · 5 km deep · 16 km away
28. 1.66 km N of P?hala, HawaiiMon, Apr 28, 8:42 PM HST · 14765 days ago · 6 km deep · 33 km away
29. 1.97 km SSE of Honoka‘a, HawaiiTue, Apr 29, 12:04 AM HST · 14765 days ago · 10 km deep · 53 km away
30. 2.44 km SE of Leilani Estates, HawaiiTue, Apr 29, 11:25 AM HST · 14765 days ago · 8 km deep · 53 km away
31. 1.714 km SSE of Fern Forest, HawaiiTue, Apr 29, 6:48 PM HST · 14764 days ago · 7 km deep · 39 km away
32. 1.813 km S of Fern Forest, HawaiiWed, Apr 30, 2:30 AM HST · 14764 days ago · 5 km deep · 35 km away
33. 2.518 km NNE of Hala‘ula, HawaiiWed, Apr 30, 3:18 AM HST · 14764 days ago · 7 km deep · 99 km away
34. 2.817 km SSW of Pa‘auilo, HawaiiWed, Apr 30, 10:47 AM HST · 14764 days ago · 26 km deep · 39 km away
35. 1.613 km SSE of Fern Forest, HawaiiWed, Apr 30, 9:13 PM HST · 14763 days ago · 7 km deep · 38 km away
36. 1.614 km SE of Fern Forest, HawaiiWed, Apr 30, 9:32 PM HST · 14763 days ago · 3 km deep · 39 km away
37. 1.89 km S of P?hala, HawaiiThu, May 1, 4:17 AM HST · 14763 days ago · 30 km deep · 49 km away
38. 1.613 km SSE of Fern Forest, HawaiiThu, May 1, 11:37 AM HST · 14763 days ago · 7 km deep · 38 km away
39. 2.620 km ENE of H?lualoa, HawaiiThu, May 1, 5:22 PM HST · 14762 days ago · 30 km deep · 44 km away
40. 1.816 km S of Fern Forest, HawaiiThu, May 1, 5:28 PM HST · 14762 days ago · 7 km deep · 37 km away
41. 1.614 km SE of Fern Forest, HawaiiFri, May 2, 2:11 PM HST · 14762 days ago · 0 km deep · 41 km away
42. 1.714 km S of Volcano, HawaiiFri, May 2, 3:37 PM HST · 14761 days ago · 7 km deep · 31 km away
43. 2.36 km NNW of P?hala, HawaiiFri, May 2, 4:44 PM HST · 14761 days ago · 8 km deep · 35 km away
44. 2.025 km W of Volcano, HawaiiFri, May 2, 11:05 PM HST · 14761 days ago · 8 km deep · 13 km away
45. 2.527 km SW of Laup?hoehoe, HawaiiSat, May 3, 4:16 AM HST · 14761 days ago · 13 km deep · 27 km away
46. 1.614 km S of Fern Forest, HawaiiSat, May 3, 9:15 AM HST · 14761 days ago · 8 km deep · 33 km away
47. 1.515 km S of Fern Forest, HawaiiSat, May 3, 11:09 AM HST · 14761 days ago · 7 km deep · 37 km away
48. 2.922 km W of Volcano, HawaiiSat, May 3, 3:42 PM HST · 14760 days ago · 4 km deep · 11 km away
49. 1.825 km W of Volcano, HawaiiSat, May 3, 4:51 PM HST · 14760 days ago · 7 km deep · 16 km away
50. 2.15 km SSW of Volcano, HawaiiSat, May 3, 5:49 PM HST · 14760 days ago · 2 km deep · 20 km away
51. 1.81 km SSW of P?hala, HawaiiSat, May 3, 9:37 PM HST · 14760 days ago · 35 km deep · 41 km away
52. 1.819 km WNW of Volcano, HawaiiSun, May 4, 5:27 AM HST · 14760 days ago · 10 km deep · 8 km away
53. 1.913 km SSE of Volcano, HawaiiSun, May 4, 8:29 AM HST · 14760 days ago · 7 km deep · 32 km away
54. 1.91 km SE of P?hala, HawaiiSun, May 4, 11:06 AM HST · 14760 days ago · 4 km deep · 40 km away
55. 1.912 km SE of Fern Forest, HawaiiSun, May 4, 12:57 PM HST · 14760 days ago · 7 km deep · 38 km away
56. 1.913 km SSE of Volcano, HawaiiSun, May 4, 3:28 PM HST · 14759 days ago · 7 km deep · 32 km away
57. 1.913 km S of Volcano, HawaiiSun, May 4, 7:42 PM HST · 14759 days ago · 6 km deep · 28 km away
58. 2.419 km N of P?hala, HawaiiMon, May 5, 1:54 AM HST · 14759 days ago · 8 km deep · 20 km away
59. 2.015 km S of Fern Forest, HawaiiMon, May 5, 9:53 AM HST · 14759 days ago · 7 km deep · 35 km away
60. 1.727 km W of Volcano, HawaiiMon, May 5, 5:19 PM HST · 14758 days ago · 9 km deep · 16 km away

The first 60 of 196.

Before

1. 1.518 km NW of Volcano, HawaiiMon, Apr 21, 1:44 PM HST · 14773 days ago · 11 km deep · 2 km away
2. 1.915 km S of Fern Forest, HawaiiMon, Apr 21, 9:31 AM HST · 14773 days ago · 7 km deep · 35 km away
3. 2.612 km SSW of Volcano, HawaiiMon, Apr 21, 2:57 AM HST · 14773 days ago · 27 km deep · 23 km away
4. 2.16 km W of P?hala, HawaiiSun, Apr 20, 11:09 PM HST · 14773 days ago · 5 km deep · 43 km away
5. 1.812 km SSE of Fern Forest, HawaiiSun, Apr 20, 8:16 PM HST · 14773 days ago · 6 km deep · 36 km away
6. 1.815 km S of Fern Forest, HawaiiSun, Apr 20, 10:49 AM HST · 14774 days ago · 7 km deep · 37 km away
7. 1.95 km NNW of P?hala, HawaiiSun, Apr 20, 1:48 AM HST · 14774 days ago · 8 km deep · 35 km away
8. 2.011 km SSE of Volcano, HawaiiSat, Apr 19, 1:49 PM HST · 14775 days ago · 8 km deep · 29 km away
9. 2.19 km WSW of Volcano, HawaiiSat, Apr 19, 11:45 AM HST · 14775 days ago · 4 km deep · 15 km away
10. 2.216 km E of P?hala, HawaiiSat, Apr 19, 9:52 AM HST · 14775 days ago · 30 km deep · 36 km away
11. 2.214 km SSE of Volcano, HawaiiSat, Apr 19, 6:57 AM HST · 14775 days ago · 7 km deep · 32 km away
12. 3.123 km WNW of Volcano, HawaiiFri, Apr 18, 6:26 PM HST · 14775 days ago · 4 km deep · 9 km away
13. 2.812 km SSW of Volcano, HawaiiFri, Apr 18, 8:37 AM HST · 14776 days ago · 30 km deep · 24 km away
14. 1.815 km S of Fern Forest, HawaiiFri, Apr 18, 1:02 AM HST · 14776 days ago · 2 km deep · 37 km away
15. 1.9Island of Hawaii, HawaiiThu, Apr 17, 10:33 PM HST · 14776 days ago · 8 km deep · 19 km away
16. 2.614 km SSE of Volcano, HawaiiThu, Apr 17, 6:19 PM HST · 14776 days ago · 7 km deep · 32 km away
17. 2.310 km NNW of P?hala, HawaiiThu, Apr 17, 2:00 PM HST · 14777 days ago · 10 km deep · 30 km away
18. 1.65 km NE of P?hala, HawaiiThu, Apr 17, 1:42 PM HST · 14777 days ago · 7 km deep · 34 km away
19. 2.025 km W of Volcano, HawaiiThu, Apr 17, 12:55 PM HST · 14777 days ago · 5 km deep · 13 km away
20. 1.99 km WSW of Volcano, HawaiiThu, Apr 17, 10:27 AM HST · 14777 days ago · 5 km deep · 16 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv212770. Read Thu, Oct 1, 2026, 12:33 PM UTC.