M2.1 earthquake 12 km SSE of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Oct 12, 1981, 9:47 AM HST

UTC

1981-10-12 19:47:50 UTC

Depth

7.4 km (4.6 mi), shallow

Epicenter

19.342° N, 155.182° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

76°

Stations used

37

• Volcano, HawaiiPopulation 2,575. Forecast12 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast35 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast354 kmSE

After

1. 2.314 km NNE of P?hala, HawaiiMon, Oct 12, 10:28 AM HST · 16424 days ago · 9 km deep · 28 km away
2. 2.017 km S of Volcano, HawaiiMon, Oct 12, 10:53 AM HST · 16424 days ago · 6 km deep · 7 km away
3. 2.114 km SSE of Fern Forest, HawaiiMon, Oct 12, 2:43 PM HST · 16424 days ago · 7 km deep · 9 km away
4. 2.513 km S of Volcano, HawaiiMon, Oct 12, 10:26 PM HST · 16424 days ago · 8 km deep · 8 km away
5. 2.515 km S of Volcano, HawaiiTue, Oct 13, 12:13 AM HST · 16424 days ago · 8 km deep · 6 km away
6. 2.012 km SSE of Volcano, HawaiiTue, Oct 13, 4:15 AM HST · 16424 days ago · 8 km deep · 1 km away
7. 1.716 km S of Fern Forest, HawaiiTue, Oct 13, 5:03 AM HST · 16424 days ago · 7 km deep · 8 km away
8. 2.8Island of Hawaii, HawaiiTue, Oct 13, 3:40 PM HST · 16423 days ago · 8 km deep · 5 km away
9. 1.918 km WSW of Volcano, HawaiiTue, Oct 13, 6:24 PM HST · 16423 days ago · 8 km deep · 23 km away
10. 3.115 km NE of P?hala, HawaiiTue, Oct 13, 7:11 PM HST · 16423 days ago · 8 km deep · 20 km away
11. 3.015 km NE of P?hala, HawaiiTue, Oct 13, 7:14 PM HST · 16423 days ago · 8 km deep · 20 km away
12. 1.610 km SSW of Leilani Estates, HawaiiWed, Oct 14, 12:36 AM HST · 16423 days ago · 5 km deep · 23 km away
13. 2.512 km SSE of Volcano, HawaiiWed, Oct 14, 5:20 AM HST · 16422 days ago · 7 km deep · 2 km away
14. 2.413 km NE of P?hala, HawaiiWed, Oct 14, 1:50 PM HST · 16422 days ago · 9 km deep · 23 km away
15. 3.23 km SSE of Waimea, HawaiiWed, Oct 14, 2:38 PM HST · 16422 days ago · 11 km deep · 88 km away
16. 1.5Island of Hawaii, HawaiiWed, Oct 14, 6:44 PM HST · 16422 days ago · 7 km deep · 31 km away
17. 2.015 km ENE of P?hala, HawaiiWed, Oct 14, 11:05 PM HST · 16422 days ago · 6 km deep · 20 km away
18. 3.251 km ESE of P?hala, HawaiiThu, Oct 15, 1:00 AM HST · 16422 days ago · 34 km deep · 43 km away
19. 2.525 km E of Honaunau-Napoopoo, HawaiiThu, Oct 15, 6:04 AM HST · 16421 days ago · -1 km deep · 47 km away
20. 2.013 km SE of Fern Forest, HawaiiThu, Oct 15, 6:10 AM HST · 16421 days ago · 8 km deep · 14 km away
21. 2.412 km SSE of Fern Forest, HawaiiThu, Oct 15, 12:51 PM HST · 16421 days ago · 8 km deep · 9 km away
22. 2.015 km SSE of Volcano, HawaiiThu, Oct 15, 2:13 PM HST · 16421 days ago · 7 km deep · 3 km away
23. 1.714 km SSE of Fern Forest, HawaiiFri, Oct 16, 1:34 AM HST · 16421 days ago · 7 km deep · 8 km away
24. 2.014 km SSE of Volcano, HawaiiFri, Oct 16, 11:24 AM HST · 16420 days ago · 5 km deep · 4 km away
25. 1.614 km W of P?hala, HawaiiFri, Oct 16, 4:19 PM HST · 16420 days ago · 7 km deep · 48 km away
26. 1.514 km S of Fern Forest, HawaiiFri, Oct 16, 5:05 PM HST · 16420 days ago · 7 km deep · 7 km away
27. 2.014 km SSE of Volcano, HawaiiFri, Oct 16, 6:57 PM HST · 16420 days ago · 6 km deep · 2 km away
28. 2.012 km S of Fern Forest, HawaiiFri, Oct 16, 10:03 PM HST · 16420 days ago · 8 km deep · 5 km away
29. 2.013 km SSE of Volcano, HawaiiFri, Oct 16, 11:31 PM HST · 16420 days ago · 7 km deep · 2 km away
30. 1.612 km SSE of Volcano, HawaiiSat, Oct 17, 6:06 AM HST · 16419 days ago · 7 km deep · 2 km away
31. 1.915 km S of Fern Forest, HawaiiSat, Oct 17, 7:24 AM HST · 16419 days ago · 7 km deep · 7 km away
32. 1.512 km SSE of Volcano, HawaiiSat, Oct 17, 8:53 AM HST · 16419 days ago · 8 km deep · 0 km away
33. 1.712 km SSE of Volcano, HawaiiSat, Oct 17, 9:16 AM HST · 16419 days ago · 6 km deep · 3 km away
34. 1.912 km S of Volcano, HawaiiSat, Oct 17, 4:00 PM HST · 16419 days ago · 6 km deep · 3 km away
35. 1.915 km S of Fern Forest, HawaiiSun, Oct 18, 12:57 AM HST · 16419 days ago · 8 km deep · 6 km away
36. 2.519 km N of P?hala, HawaiiSun, Oct 18, 8:14 AM HST · 16418 days ago · 9 km deep · 29 km away
37. 2.015 km S of Volcano, HawaiiSun, Oct 18, 11:30 AM HST · 16418 days ago · 6 km deep · 6 km away
38. 2.014 km SSE of Volcano, HawaiiSun, Oct 18, 11:38 AM HST · 16418 days ago · 8 km deep · 2 km away
39. 1.97 km SW of Volcano, HawaiiSun, Oct 18, 11:42 AM HST · 16418 days ago · 2 km deep · 12 km away
40. 2.412 km S of Volcano, HawaiiSun, Oct 18, 7:41 PM HST · 16418 days ago · 8 km deep · 5 km away
41. 1.912 km NNE of P?hala, HawaiiMon, Oct 19, 4:16 AM HST · 16418 days ago · 9 km deep · 26 km away
42. 3.113 km SSE of Volcano, HawaiiMon, Oct 19, 10:08 AM HST · 16417 days ago · 9 km deep · 1 km away
43. 1.728 km SE of P?hala, HawaiiMon, Oct 19, 11:49 AM HST · 16417 days ago · 39 km deep · 40 km away
44. 2.114 km S of Volcano, HawaiiMon, Oct 19, 12:30 PM HST · 16417 days ago · 6 km deep · 8 km away
45. 1.74 km SSW of Leilani Estates, HawaiiMon, Oct 19, 1:42 PM HST · 16417 days ago · 5 km deep · 28 km away
46. 2.124 km N of P?hala, HawaiiMon, Oct 19, 2:49 PM HST · 16417 days ago · 6 km deep · 33 km away
47. 1.75 km SSW of Volcano, HawaiiMon, Oct 19, 5:13 PM HST · 16417 days ago · 2 km deep · 11 km away
48. 2.26 km SSW of Volcano, HawaiiMon, Oct 19, 7:30 PM HST · 16417 days ago · 2 km deep · 10 km away
49. 1.515 km S of Fern Forest, HawaiiMon, Oct 19, 7:34 PM HST · 16417 days ago · 6 km deep · 4 km away
50. 1.912 km S of Volcano, HawaiiMon, Oct 19, 10:16 PM HST · 16417 days ago · 7 km deep · 5 km away
51. 1.614 km S of Volcano, HawaiiTue, Oct 20, 4:42 PM HST · 16416 days ago · 6 km deep · 5 km away
52. 1.714 km S of Volcano, HawaiiWed, Oct 21, 4:37 AM HST · 16416 days ago · 6 km deep · 8 km away
53. 2.225 km E of Honaunau-Napoopoo, HawaiiWed, Oct 21, 5:38 PM HST · 16415 days ago · -1 km deep · 47 km away
54. 2.225 km E of Honaunau-Napoopoo, HawaiiThu, Oct 22, 2:23 AM HST · 16415 days ago · -1 km deep · 47 km away
55. 2.226 km E of Honaunau-Napoopoo, HawaiiThu, Oct 22, 3:25 AM HST · 16415 days ago · -2 km deep · 46 km away
56. 2.114 km SSE of Volcano, HawaiiThu, Oct 22, 4:11 AM HST · 16415 days ago · 6 km deep · 2 km away
57. 2.411 km S of Volcano, HawaiiThu, Oct 22, 5:14 AM HST · 16414 days ago · 7 km deep · 3 km away
58. 2.516 km S of Fern Forest, HawaiiThu, Oct 22, 1:22 PM HST · 16414 days ago · 8 km deep · 6 km away
59. 2.415 km S of Fern Forest, HawaiiThu, Oct 22, 1:23 PM HST · 16414 days ago · 8 km deep · 5 km away
60. 1.914 km S of Volcano, HawaiiThu, Oct 22, 4:19 PM HST · 16414 days ago · 5 km deep · 5 km away

The first 60 of 198.

Before

1. 2.610 km S of Volcano, HawaiiMon, Oct 12, 9:35 AM HST · 16424 days ago · 7 km deep · 4 km away
2. 2.214 km S of Fern Forest, HawaiiMon, Oct 12, 9:30 AM HST · 16424 days ago · 7 km deep · 6 km away
3. 2.115 km S of Fern Forest, HawaiiMon, Oct 12, 7:25 AM HST · 16424 days ago · 7 km deep · 8 km away
4. 1.613 km S of Volcano, HawaiiMon, Oct 12, 5:16 AM HST · 16424 days ago · 7 km deep · 8 km away
5. 2.116 km SE of Fern Forest, HawaiiSun, Oct 11, 3:37 PM HST · 16425 days ago · 7 km deep · 15 km away
6. 1.514 km S of Fern Forest, HawaiiSun, Oct 11, 8:35 AM HST · 16425 days ago · 7 km deep · 7 km away
7. 3.17 km WSW of Kailua-Kona, HawaiiSun, Oct 11, 7:21 AM HST · 16425 days ago · 36 km deep · 98 km away
8. 2.312 km W of P?hala, HawaiiSun, Oct 11, 5:08 AM HST · 16426 days ago · 7 km deep · 46 km away
9. 1.85 km SW of Volcano, HawaiiSun, Oct 11, 3:28 AM HST · 16426 days ago · 15 km deep · 12 km away
10. 1.515 km S of Fern Forest, HawaiiSun, Oct 11, 3:01 AM HST · 16426 days ago · 7 km deep · 6 km away
11. 3.013 km SSE of Volcano, HawaiiSat, Oct 10, 6:23 PM HST · 16426 days ago · 9 km deep · 2 km away
12. 2.014 km SSE of Volcano, HawaiiSat, Oct 10, 4:43 PM HST · 16426 days ago · 6 km deep · 4 km away
13. 1.912 km SSE of Volcano, HawaiiSat, Oct 10, 11:46 AM HST · 16426 days ago · 7 km deep · 3 km away
14. 1.65 km NNE of Waikoloa, HawaiiSat, Oct 10, 11:13 AM HST · 16426 days ago · 8 km deep · 93 km away
15. 2.523 km N of P?hala, HawaiiSat, Oct 10, 7:53 AM HST · 16426 days ago · 9 km deep · 31 km away
16. 2.114 km S of Fern Forest, HawaiiSat, Oct 10, 3:44 AM HST · 16427 days ago · 7 km deep · 7 km away
17. 2.013 km SSE of Volcano, HawaiiSat, Oct 10, 3:34 AM HST · 16427 days ago · 7 km deep · 1 km away
18. 2.015 km SSE of Volcano, HawaiiFri, Oct 9, 8:21 PM HST · 16427 days ago · 7 km deep · 3 km away
19. 2.119 km N of P?hala, HawaiiFri, Oct 9, 11:10 AM HST · 16427 days ago · 6 km deep · 33 km away
20. 1.912 km SSE of Volcano, HawaiiFri, Oct 9, 8:52 AM HST · 16427 days ago · 8 km deep · 2 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19813475. Read Thu, Oct 1, 2026, 2:40 AM UTC.