M2.1 earthquake 9 km WSW of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Thu, Oct 30, 1986, 6:34 PM HST

UTC

1986-10-31 04:34:59 UTC

Depth

6.5 km (4.0 mi), shallow

Epicenter

19.425° N, 155.320° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

141°

Stations used

23

• Volcano, HawaiiPopulation 2,575. Forecast9 kmWSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast41 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast337 kmSE

After

1. 2.418 km N of P?hala, HawaiiThu, Oct 30, 7:49 PM HST · 14582 days ago · 8 km deep · 19 km away
2. 1.514 km S of Volcano, HawaiiThu, Oct 30, 10:27 PM HST · 14582 days ago · 8 km deep · 15 km away
3. 2.518 km SSE of P?hala, HawaiiFri, Oct 31, 1:41 PM HST · 14582 days ago · 33 km deep · 41 km away
4. 1.615 km SSE of Eden Roc, HawaiiFri, Oct 31, 6:43 PM HST · 14581 days ago · 7 km deep · 32 km away
5. 1.912 km SSE of Fern Forest, HawaiiSat, Nov 1, 1:39 AM HST · 14581 days ago · 7 km deep · 26 km away
6. 2.47 km SW of Volcano, HawaiiSat, Nov 1, 2:18 AM HST · 14581 days ago · 2 km deep · 6 km away
7. 2.017 km S of Volcano, HawaiiSat, Nov 1, 6:52 AM HST · 14581 days ago · 10 km deep · 20 km away
8. 1.913 km SW of Leilani Estates, HawaiiSat, Nov 1, 7:49 AM HST · 14581 days ago · 7 km deep · 32 km away
9. 2.323 km N of P?hala, HawaiiSat, Nov 1, 8:31 AM HST · 14581 days ago · 8 km deep · 19 km away
10. 2.324 km W of Volcano, HawaiiSat, Nov 1, 12:53 PM HST · 14581 days ago · 8 km deep · 16 km away
11. 3.06 km S of Volcano, HawaiiSat, Nov 1, 5:08 PM HST · 14580 days ago · 28 km deep · 9 km away
12. 2.412 km SSE of Volcano, HawaiiSun, Nov 2, 7:13 AM HST · 14580 days ago · 8 km deep · 17 km away
13. 2.220 km N of P?hala, HawaiiSun, Nov 2, 10:07 AM HST · 14580 days ago · 6 km deep · 20 km away
14. 2.82 km NNW of Honaunau-Napoopoo, HawaiiSun, Nov 2, 4:16 PM HST · 14579 days ago · 8 km deep · 58 km away
15. 2.017 km S of Volcano, HawaiiSun, Nov 2, 5:07 PM HST · 14579 days ago · 6 km deep · 19 km away
16. 1.817 km S of Volcano, HawaiiSun, Nov 2, 6:06 PM HST · 14579 days ago · 6 km deep · 19 km away
17. 1.817 km S of Volcano, HawaiiSun, Nov 2, 6:13 PM HST · 14579 days ago · 6 km deep · 19 km away
18. 2.512 km SSE of Volcano, HawaiiMon, Nov 3, 12:11 AM HST · 14579 days ago · 7 km deep · 16 km away
19. 2.116 km S of Volcano, HawaiiMon, Nov 3, 4:42 AM HST · 14579 days ago · 9 km deep · 18 km away
20. 1.715 km S of Volcano, HawaiiMon, Nov 3, 5:32 AM HST · 14579 days ago · 3 km deep · 18 km away
21. 2.342 km ESE of Naalehu, HawaiiMon, Nov 3, 5:45 AM HST · 14579 days ago · 11 km deep · 64 km away
22. 2.653 km SE of Naalehu, HawaiiMon, Nov 3, 6:47 AM HST · 14579 days ago · 10 km deep · 79 km away
23. 2.012 km S of Fern Forest, HawaiiMon, Nov 3, 4:14 PM HST · 14578 days ago · 8 km deep · 22 km away
24. 2.02 km ESE of Honalo, HawaiiMon, Nov 3, 5:43 PM HST · 14578 days ago · 4 km deep · 63 km away
25. 1.99 km WSW of Volcano, HawaiiTue, Nov 4, 3:13 AM HST · 14578 days ago · 6 km deep · 2 km away
26. 1.5Island of Hawaii, HawaiiTue, Nov 4, 5:51 AM HST · 14578 days ago · 6 km deep · 17 km away
27. 1.814 km SSE of Fern Forest, HawaiiTue, Nov 4, 6:43 AM HST · 14578 days ago · 7 km deep · 27 km away
28. 1.912 km W of Volcano, HawaiiTue, Nov 4, 8:03 AM HST · 14578 days ago · 9 km deep · 4 km away
29. 2.11 km SSE of P?hala, HawaiiTue, Nov 4, 8:38 AM HST · 14578 days ago · 33 km deep · 31 km away
30. 1.916 km S of Fern Forest, HawaiiWed, Nov 5, 1:47 AM HST · 14577 days ago · 9 km deep · 24 km away
31. 1.720 km W of Volcano, HawaiiWed, Nov 5, 4:18 AM HST · 14577 days ago · 6 km deep · 12 km away
32. 1.815 km SSE of Volcano, HawaiiWed, Nov 5, 9:13 AM HST · 14577 days ago · 6 km deep · 19 km away
33. 1.816 km S of Fern Forest, HawaiiWed, Nov 5, 10:35 AM HST · 14577 days ago · 6 km deep · 22 km away
34. 2.624 km W of Volcano, HawaiiWed, Nov 5, 2:50 PM HST · 14577 days ago · 7 km deep · 16 km away
35. 3.413 km S of Volcano, HawaiiWed, Nov 5, 11:25 PM HST · 14576 days ago · 9 km deep · 17 km away
36. 1.714 km SSE of Volcano, HawaiiThu, Nov 6, 2:19 AM HST · 14576 days ago · 5 km deep · 18 km away
37. 3.014 km NNE of Hawaiian Ocean View, HawaiiThu, Nov 6, 12:02 PM HST · 14576 days ago · 4 km deep · 48 km away
38. 1.816 km S of Fern Forest, HawaiiThu, Nov 6, 12:33 PM HST · 14576 days ago · 7 km deep · 24 km away
39. 1.615 km S of Fern Forest, HawaiiThu, Nov 6, 6:52 PM HST · 14575 days ago · 7 km deep · 24 km away
40. 2.111 km SSW of Volcano, HawaiiThu, Nov 6, 7:33 PM HST · 14575 days ago · 32 km deep · 11 km away
41. 2.118 km NNE of P?hala, HawaiiFri, Nov 7, 12:39 AM HST · 14575 days ago · 9 km deep · 14 km away
42. 2.648 km SE of Naalehu, HawaiiFri, Nov 7, 5:22 AM HST · 14575 days ago · 10 km deep · 70 km away
43. 1.613 km N of P?hala, HawaiiFri, Nov 7, 11:43 AM HST · 14575 days ago · 8 km deep · 20 km away
44. 2.312 km SSE of Volcano, HawaiiFri, Nov 7, 1:16 PM HST · 14575 days ago · 8 km deep · 16 km away
45. 1.613 km SE of Fern Forest, HawaiiFri, Nov 7, 6:13 PM HST · 14574 days ago · 8 km deep · 29 km away
46. 2.77 km SSW of Volcano, HawaiiSat, Nov 8, 3:28 PM HST · 14574 days ago · 31 km deep · 8 km away
47. 2.516 km S of Fern Forest, HawaiiSat, Nov 8, 3:41 PM HST · 14573 days ago · 8 km deep · 23 km away
48. 2.417 km W of Volcano, HawaiiSat, Nov 8, 6:54 PM HST · 14573 days ago · 10 km deep · 9 km away
49. 2.422 km WNW of Volcano, HawaiiSat, Nov 8, 11:57 PM HST · 14573 days ago · 4 km deep · 15 km away
50. 2.29 km SW of Volcano, HawaiiSun, Nov 9, 3:14 AM HST · 14573 days ago · 9 km deep · 5 km away
51. 2.419 km W of Kalaoa, HawaiiSun, Nov 9, 2:22 PM HST · 14573 days ago · 35 km deep · 95 km away
52. 2.822 km SE of Waimea, HawaiiMon, Nov 10, 5:25 AM HST · 14572 days ago · 22 km deep · 54 km away
53. 2.521 km W of Volcano, HawaiiMon, Nov 10, 8:11 PM HST · 14571 days ago · 4 km deep · 14 km away
54. 1.515 km S of Fern Forest, HawaiiTue, Nov 11, 3:21 AM HST · 14571 days ago · 7 km deep · 24 km away
55. 2.412 km S of Volcano, HawaiiTue, Nov 11, 4:52 AM HST · 14571 days ago · 7 km deep · 15 km away
56. 2.110 km SSE of Volcano, HawaiiTue, Nov 11, 3:07 PM HST · 14571 days ago · 7 km deep · 14 km away
57. 2.014 km SSE of Fern Forest, HawaiiTue, Nov 11, 7:25 PM HST · 14570 days ago · 7 km deep · 27 km away
58. 2.017 km W of Volcano, HawaiiWed, Nov 12, 6:37 AM HST · 14570 days ago · 5 km deep · 9 km away
59. 2.024 km W of Volcano, HawaiiWed, Nov 12, 12:17 PM HST · 14570 days ago · 8 km deep · 16 km away
60. 1.911 km SSW of Pa‘auilo, HawaiiWed, Nov 12, 12:53 PM HST · 14570 days ago · 10 km deep · 58 km away

The first 60 of 197.

Before

1. 2.325 km N of P?hala, HawaiiWed, Oct 29, 7:00 PM HST · 14583 days ago · 7 km deep · 20 km away
2. 2.024 km N of P?hala, HawaiiWed, Oct 29, 4:22 PM HST · 14583 days ago · 6 km deep · 18 km away
3. 1.825 km N of P?hala, HawaiiWed, Oct 29, 4:22 PM HST · 14583 days ago · 7 km deep · 18 km away
4. 1.711 km SSE of Volcano, HawaiiWed, Oct 29, 2:16 PM HST · 14584 days ago · 7 km deep · 15 km away
5. 1.716 km S of Volcano, HawaiiWed, Oct 29, 10:13 AM HST · 14584 days ago · 5 km deep · 18 km away
6. 2.55 km SW of Volcano, HawaiiWed, Oct 29, 3:36 AM HST · 14584 days ago · 2 km deep · 6 km away
7. 2.06 km SSW of Volcano, HawaiiWed, Oct 29, 12:31 AM HST · 14584 days ago · 2 km deep · 7 km away
8. 2.02 km W of Volcano, HawaiiTue, Oct 28, 9:55 PM HST · 14584 days ago · 7 km deep · 7 km away
9. 2.012 km SSE of Fern Forest, HawaiiTue, Oct 28, 9:49 PM HST · 14584 days ago · 8 km deep · 27 km away
10. 1.73 km WNW of Volcano, HawaiiTue, Oct 28, 5:15 PM HST · 14584 days ago · 1 km deep · 7 km away
11. 2.37 km SW of Volcano, HawaiiTue, Oct 28, 12:04 PM HST · 14585 days ago · 11 km deep · 6 km away
12. 1.516 km S of Fern Forest, HawaiiTue, Oct 28, 9:05 AM HST · 14585 days ago · 6 km deep · 23 km away
13. 2.010 km NNW of Volcano, HawaiiTue, Oct 28, 2:27 AM HST · 14585 days ago · 3 km deep · 14 km away
14. 1.518 km N of P?hala, HawaiiTue, Oct 28, 2:12 AM HST · 14585 days ago · 8 km deep · 18 km away
15. 1.914 km SW of Leilani Estates, HawaiiTue, Oct 28, 12:25 AM HST · 14585 days ago · 7 km deep · 33 km away
16. 2.08 km SSW of Volcano, HawaiiMon, Oct 27, 5:03 PM HST · 14585 days ago · 7 km deep · 7 km away
17. 1.94 km SW of Volcano, HawaiiMon, Oct 27, 3:43 PM HST · 14585 days ago · 14 km deep · 6 km away
18. 2.33 km NNE of P?hala, HawaiiMon, Oct 27, 9:10 AM HST · 14586 days ago · 10 km deep · 26 km away
19. 2.9Hawaii region, HawaiiSun, Oct 26, 8:04 PM HST · 14586 days ago · 8 km deep · 95 km away
20. 2.216 km SE of Fern Forest, HawaiiSun, Oct 26, 5:08 PM HST · 14586 days ago · 7 km deep · 32 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv225460. Read Sat, Oct 3, 2026, 1:00 PM UTC.