M1.5 earthquake 22 km W of Volcano, Hawaii

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Fri, May 23, 1986, 2:31 AM HST

UTC

1986-05-23 12:31:18 UTC

Depth

3.8 km (2.4 mi), shallow

Epicenter

19.465° N, 155.442° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.08

Depth from

From location

Station coverage gap

73°

Stations used

25

• Volcano, HawaiiPopulation 2,575. Forecast22 kmW
• Hilo, HawaiiPopulation 43,263. Forecast47 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast325 kmSE

After

1. 2.012 km ENE of P?hala, HawaiiFri, May 23, 4:57 AM HST · 14742 days ago · 51 km deep · 28 km away
2. 2.84 km NNE of Honaunau-Napoopoo, HawaiiFri, May 23, 2:16 PM HST · 14742 days ago · 22 km deep · 42 km away
3. 1.620 km N of P?hala, HawaiiFri, May 23, 4:18 PM HST · 14741 days ago · 7 km deep · 10 km away
4. 1.517 km WNW of Volcano, HawaiiFri, May 23, 4:47 PM HST · 14741 days ago · 11 km deep · 7 km away
5. 2.714 km ESE of Nanawale Estates, HawaiiSun, May 25, 6:33 AM HST · 14740 days ago · 10 km deep · 69 km away
6. 2.45 km SSW of Volcano, HawaiiSun, May 25, 10:43 AM HST · 14740 days ago · 2 km deep · 21 km away
7. 2.414 km S of Fern Forest, HawaiiSun, May 25, 2:16 PM HST · 14740 days ago · 8 km deep · 38 km away
8. 2.0Island of Hawaii, HawaiiSun, May 25, 3:07 PM HST · 14740 days ago · 8 km deep · 46 km away
9. 1.91 km ESE of Honaunau-Napoopoo, HawaiiSun, May 25, 4:54 PM HST · 14739 days ago · 6 km deep · 43 km away
10. 1.97 km W of Volcano, HawaiiSun, May 25, 6:15 PM HST · 14739 days ago · 7 km deep · 15 km away
11. 2.014 km SE of Fern Forest, HawaiiMon, May 26, 12:40 AM HST · 14739 days ago · 8 km deep · 43 km away
12. 1.95 km SSE of Waimea, HawaiiMon, May 26, 1:41 AM HST · 14739 days ago · 9 km deep · 61 km away
13. 2.95 km SSW of Volcano, HawaiiTue, May 27, 1:02 AM HST · 14738 days ago · 2 km deep · 21 km away
14. 3.151 km W of Hawaiian Ocean View, HawaiiTue, May 27, 8:23 AM HST · 14738 days ago · 6 km deep · 96 km away
15. 1.812 km N of Wai‘?hinu, HawaiiTue, May 27, 11:30 AM HST · 14738 days ago · 4 km deep · 38 km away
16. 1.99 km NNE of Wai‘?hinu, HawaiiTue, May 27, 6:15 PM HST · 14737 days ago · 5 km deep · 38 km away
17. 2.116 km SE of Waimea, HawaiiTue, May 27, 10:44 PM HST · 14737 days ago · 35 km deep · 54 km away
18. 1.826 km W of Volcano, HawaiiWed, May 28, 10:28 AM HST · 14737 days ago · 6 km deep · 5 km away
19. 1.5Island of Hawaii, HawaiiWed, May 28, 10:41 AM HST · 14737 days ago · 2 km deep · 27 km away
20. 1.821 km WNW of Volcano, HawaiiWed, May 28, 11:55 AM HST · 14737 days ago · 9 km deep · 2 km away
21. 2.011 km NNE of P?hala, HawaiiWed, May 28, 12:55 PM HST · 14737 days ago · 10 km deep · 18 km away
22. 2.015 km S of Fern Forest, HawaiiWed, May 28, 11:10 PM HST · 14736 days ago · 6 km deep · 36 km away
23. 2.113 km S of Volcano, HawaiiThu, May 29, 6:39 AM HST · 14736 days ago · 8 km deep · 28 km away
24. 1.713 km SSE of Volcano, HawaiiThu, May 29, 10:58 AM HST · 14736 days ago · 7 km deep · 31 km away
25. 2.012 km SSE of Volcano, HawaiiThu, May 29, 11:24 AM HST · 14736 days ago · 7 km deep · 29 km away
26. 1.813 km SSE of Volcano, HawaiiThu, May 29, 6:15 PM HST · 14735 days ago · 6 km deep · 29 km away
27. 2.614 km SSE of Fern Forest, HawaiiThu, May 29, 7:30 PM HST · 14735 days ago · 7 km deep · 38 km away
28. 1.910 km WSW of Volcano, HawaiiFri, May 30, 2:29 AM HST · 14735 days ago · 6 km deep · 13 km away
29. 1.99 km SSE of Volcano, HawaiiFri, May 30, 12:48 PM HST · 14735 days ago · 2 km deep · 27 km away
30. 2.06 km S of Volcano, HawaiiFri, May 30, 2:32 PM HST · 14735 days ago · 27 km deep · 23 km away
31. 1.610 km SSE of Volcano, HawaiiFri, May 30, 5:49 PM HST · 14734 days ago · 1 km deep · 28 km away
32. 1.611 km SSE of Volcano, HawaiiFri, May 30, 8:14 PM HST · 14734 days ago · 7 km deep · 28 km away
33. 3.317 km WNW of Kalaoa, HawaiiFri, May 30, 8:33 PM HST · 14734 days ago · 4 km deep · 81 km away
34. 1.714 km S of Volcano, HawaiiFri, May 30, 9:39 PM HST · 14734 days ago · 8 km deep · 26 km away
35. 2.1Island of Hawaii, HawaiiSun, Jun 1, 4:25 AM HST · 14733 days ago · 2 km deep · 22 km away
36. 1.611 km SSE of Volcano, HawaiiSun, Jun 1, 4:18 PM HST · 14732 days ago · 6 km deep · 28 km away
37. 1.89 km SSE of Fern Forest, HawaiiSun, Jun 1, 7:44 PM HST · 14732 days ago · 1 km deep · 37 km away
38. 1.615 km SW of Leilani Estates, HawaiiSun, Jun 1, 9:02 PM HST · 14732 days ago · 8 km deep · 45 km away
39. 2.411 km SSE of Volcano, HawaiiMon, Jun 2, 12:09 AM HST · 14732 days ago · 7 km deep · 29 km away
40. 1.836 km SE of P?hala, HawaiiMon, Jun 2, 3:55 AM HST · 14732 days ago · 16 km deep · 58 km away
41. 2.05 km SSW of Volcano, HawaiiMon, Jun 2, 9:29 AM HST · 14732 days ago · 2 km deep · 21 km away
42. 2.35 km SSW of Volcano, HawaiiMon, Jun 2, 1:03 PM HST · 14732 days ago · 2 km deep · 20 km away
43. 2.45 km SSW of Volcano, HawaiiMon, Jun 2, 1:15 PM HST · 14732 days ago · 2 km deep · 20 km away
44. 1.814 km ENE of P?hala, HawaiiMon, Jun 2, 1:59 PM HST · 14732 days ago · 7 km deep · 24 km away
45. 1.815 km NE of P?hala, HawaiiMon, Jun 2, 2:02 PM HST · 14732 days ago · 5 km deep · 22 km away
46. 1.75 km SW of Volcano, HawaiiMon, Jun 2, 2:15 PM HST · 14732 days ago · 2 km deep · 20 km away
47. 2.410 km WSW of Volcano, HawaiiMon, Jun 2, 5:19 PM HST · 14731 days ago · 6 km deep · 13 km away
48. 2.114 km N of P?hala, HawaiiTue, Jun 3, 4:50 AM HST · 14731 days ago · 2 km deep · 16 km away
49. 1.711 km S of Volcano, HawaiiTue, Jun 3, 8:26 AM HST · 14731 days ago · 6 km deep · 28 km away
50. 2.04 km SSW of Leilani Estates, HawaiiTue, Jun 3, 8:56 AM HST · 14731 days ago · 6 km deep · 54 km away
51. 1.615 km SSE of Fern Forest, HawaiiTue, Jun 3, 12:52 PM HST · 14731 days ago · 5 km deep · 42 km away
52. 2.214 km SW of Laup?hoehoe, HawaiiTue, Jun 3, 1:34 PM HST · 14731 days ago · 25 km deep · 49 km away
53. 1.512 km S of Fern Forest, HawaiiTue, Jun 3, 5:51 PM HST · 14730 days ago · 6 km deep · 36 km away
54. 2.614 km ENE of H?lualoa, HawaiiTue, Jun 3, 10:31 PM HST · 14730 days ago · 6 km deep · 47 km away
55. 2.1Island of Hawaii, HawaiiWed, Jun 4, 12:08 AM HST · 14730 days ago · 10 km deep · 29 km away
56. 2.02 km ESE of Leilani Estates, HawaiiWed, Jun 4, 2:44 AM HST · 14730 days ago · 5 km deep · 57 km away
57. 2.013 km SSE of Volcano, HawaiiWed, Jun 4, 12:18 PM HST · 14730 days ago · 6 km deep · 31 km away
58. 1.716 km S of Fern Forest, HawaiiWed, Jun 4, 1:00 PM HST · 14730 days ago · 6 km deep · 36 km away
59. 1.923 km W of Volcano, HawaiiWed, Jun 4, 3:08 PM HST · 14730 days ago · 9 km deep · 2 km away
60. 3.424 km W of Volcano, HawaiiWed, Jun 4, 3:27 PM HST · 14730 days ago · 5 km deep · 3 km away

The first 60 of 199.

Before

1. 2.914 km SSE of Volcano, HawaiiThu, May 22, 8:04 PM HST · 14742 days ago · 8 km deep · 31 km away
2. 1.614 km S of Fern Forest, HawaiiThu, May 22, 6:26 PM HST · 14742 days ago · 6 km deep · 37 km away
3. 1.515 km S of Fern Forest, HawaiiThu, May 22, 2:27 PM HST · 14743 days ago · 6 km deep · 37 km away
4. 1.86 km SSW of Volcano, HawaiiThu, May 22, 12:36 PM HST · 14743 days ago · 1 km deep · 20 km away
5. 2.223 km N of P?hala, HawaiiThu, May 22, 2:17 AM HST · 14743 days ago · 7 km deep · 8 km away
6. 2.116 km SW of Leilani Estates, HawaiiWed, May 21, 2:43 PM HST · 14744 days ago · 8 km deep · 47 km away
7. 2.254 km SE of Naalehu, HawaiiWed, May 21, 12:03 PM HST · 14744 days ago · 15 km deep · 83 km away
8. 3.19 km SW of Volcano, HawaiiWed, May 21, 8:37 AM HST · 14744 days ago · 28 km deep · 17 km away
9. 2.437 km WSW of Kailua-Kona, HawaiiTue, May 20, 8:42 PM HST · 14744 days ago · 6 km deep · 96 km away
10. 2.19 km SSW of Volcano, HawaiiTue, May 20, 10:41 AM HST · 14745 days ago · 26 km deep · 21 km away
11. 2.214 km NE of P?hala, HawaiiTue, May 20, 2:27 AM HST · 14745 days ago · 8 km deep · 22 km away
12. 1.715 km S of Volcano, HawaiiTue, May 20, 12:22 AM HST · 14745 days ago · 6 km deep · 29 km away
13. 2.015 km W of Volcano, HawaiiMon, May 19, 10:24 PM HST · 14745 days ago · 8 km deep · 8 km away
14. 2.315 km ESE of P?hala, HawaiiMon, May 19, 8:38 PM HST · 14745 days ago · 51 km deep · 38 km away
15. 1.512 km NNE of P?hala, HawaiiMon, May 19, 4:28 PM HST · 14745 days ago · 7 km deep · 18 km away
16. 1.95 km SSW of Volcano, HawaiiMon, May 19, 3:48 PM HST · 14745 days ago · 2 km deep · 20 km away
17. 1.915 km S of Volcano, HawaiiMon, May 19, 1:49 PM HST · 14746 days ago · 7 km deep · 26 km away
18. 2.26 km NNE of Puako, HawaiiSun, May 18, 7:53 PM HST · 14746 days ago · 11 km deep · 73 km away
19. 1.68 km NNE of P?hala, HawaiiSun, May 18, 11:51 AM HST · 14747 days ago · 8 km deep · 21 km away
20. 2.1Island of Hawaii, HawaiiSun, May 18, 10:13 AM HST · 14747 days ago · 8 km deep · 30 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv214894. Read Fri, Oct 2, 2026, 1:15 PM UTC.