M2.5 earthquake 9 km SSW of Volcano, Hawaii

Magnitude

2.5 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Wed, Oct 28, 1981, 1:43 AM HST

UTC

1981-10-28 11:43:20 UTC

Depth

31.7 km (19.7 mi), shallow

Epicenter

19.370° N, 155.285° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.01

Depth from

From location

Station coverage gap

37°

Stations used

48

• Volcano, HawaiiPopulation 2,575. Forecast10 kmSSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast41 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast344 kmSE

After

1. 2.012 km NE of P?hala, HawaiiWed, Oct 28, 4:14 AM HST · 16409 days ago · 8 km deep · 15 km away
2. 2.59 km SSW of Volcano, HawaiiWed, Oct 28, 6:36 AM HST · 16409 days ago · 32 km deep · 0 km away
3. 2.414 km ENE of P?hala, HawaiiWed, Oct 28, 7:50 AM HST · 16409 days ago · 8 km deep · 14 km away
4. 2.814 km ENE of P?hala, HawaiiWed, Oct 28, 7:50 AM HST · 16409 days ago · 7 km deep · 13 km away
5. 2.015 km ENE of P?hala, HawaiiWed, Oct 28, 7:52 AM HST · 16409 days ago · 6 km deep · 13 km away
6. 1.96 km SW of Volcano, HawaiiWed, Oct 28, 8:37 AM HST · 16409 days ago · 13 km deep · 3 km away
7. 2.913 km S of Fern Forest, HawaiiWed, Oct 28, 1:32 PM HST · 16408 days ago · 8 km deep · 18 km away
8. 1.616 km S of Fern Forest, HawaiiWed, Oct 28, 6:56 PM HST · 16408 days ago · 8 km deep · 18 km away
9. 2.011 km SSE of Fern Forest, HawaiiThu, Oct 29, 1:17 AM HST · 16408 days ago · 7 km deep · 19 km away
10. 2.011 km SSE of Fern Forest, HawaiiThu, Oct 29, 1:18 AM HST · 16408 days ago · 8 km deep · 19 km away
11. 2.014 km SSE of Volcano, HawaiiThu, Oct 29, 5:57 AM HST · 16408 days ago · 7 km deep · 13 km away
12. 2.012 km SSE of Volcano, HawaiiThu, Oct 29, 6:34 AM HST · 16408 days ago · 8 km deep · 10 km away
13. 1.913 km SSE of Volcano, HawaiiThu, Oct 29, 9:18 AM HST · 16408 days ago · 6 km deep · 10 km away
14. 2.312 km SSE of Volcano, HawaiiThu, Oct 29, 2:47 PM HST · 16407 days ago · 8 km deep · 10 km away
15. 2.014 km SSE of Eden Roc, HawaiiThu, Oct 29, 8:06 PM HST · 16407 days ago · 7 km deep · 27 km away
16. 1.814 km SSE of Volcano, HawaiiThu, Oct 29, 9:12 PM HST · 16407 days ago · 4 km deep · 11 km away
17. 2.225 km E of Honaunau-Napoopoo, HawaiiFri, Oct 30, 4:23 AM HST · 16407 days ago · -2 km deep · 37 km away
18. 1.911 km S of Volcano, HawaiiFri, Oct 30, 7:53 AM HST · 16407 days ago · 8 km deep · 8 km away
19. 2.514 km SSW of Volcano, HawaiiFri, Oct 30, 7:54 AM HST · 16407 days ago · 3 km deep · 5 km away
20. 2.221 km NNE of P?hala, HawaiiFri, Oct 30, 8:52 AM HST · 16407 days ago · 8 km deep · 16 km away
21. 1.615 km S of Volcano, HawaiiFri, Oct 30, 12:33 PM HST · 16407 days ago · 8 km deep · 10 km away
22. 2.013 km NE of P?hala, HawaiiFri, Oct 30, 4:48 PM HST · 16406 days ago · 6 km deep · 14 km away
23. 1.511 km S of Volcano, HawaiiFri, Oct 30, 5:40 PM HST · 16406 days ago · 8 km deep · 7 km away
24. 2.520 km S of Volcano, HawaiiSat, Oct 31, 1:40 AM HST · 16406 days ago · 48 km deep · 15 km away
25. 2.313 km ENE of P?hala, HawaiiSat, Oct 31, 2:37 AM HST · 16406 days ago · 5 km deep · 14 km away
26. 2.413 km SSE of Fern Forest, HawaiiSat, Oct 31, 9:05 AM HST · 16406 days ago · 8 km deep · 22 km away
27. 2.112 km SSE of Fern Forest, HawaiiSat, Oct 31, 9:45 AM HST · 16406 days ago · 8 km deep · 21 km away
28. 2.714 km SSE of Volcano, HawaiiSat, Oct 31, 9:57 PM HST · 16405 days ago · 7 km deep · 12 km away
29. 1.613 km S of Volcano, HawaiiSun, Nov 1, 2:52 AM HST · 16405 days ago · 5 km deep · 9 km away
30. 2.07 km SW of Volcano, HawaiiSun, Nov 1, 5:50 AM HST · 16405 days ago · 2 km deep · 2 km away
31. 2.113 km WNW of Volcano, HawaiiSun, Nov 1, 7:27 AM HST · 16405 days ago · 12 km deep · 16 km away
32. 2.517 km NE of P?hala, HawaiiSun, Nov 1, 9:18 AM HST · 16405 days ago · 9 km deep · 11 km away
33. 3.03 km NNW of Honaunau-Napoopoo, HawaiiSun, Nov 1, 4:05 PM HST · 16404 days ago · 10 km deep · 64 km away
34. 2.012 km S of Fern Forest, HawaiiSun, Nov 1, 7:23 PM HST · 16404 days ago · 7 km deep · 17 km away
35. 2.09 km S of P?hala, HawaiiSun, Nov 1, 8:33 PM HST · 16404 days ago · 29 km deep · 34 km away
36. 2.819 km WSW of Volcano, HawaiiMon, Nov 2, 2:03 AM HST · 16404 days ago · 9 km deep · 14 km away
37. 2.414 km S of Volcano, HawaiiMon, Nov 2, 2:26 AM HST · 16404 days ago · 7 km deep · 9 km away
38. 2.014 km SSE of Volcano, HawaiiMon, Nov 2, 3:36 AM HST · 16404 days ago · 8 km deep · 12 km away
39. 2.44 km SSE of Volcano, HawaiiMon, Nov 2, 5:08 AM HST · 16404 days ago · 34 km deep · 8 km away
40. 1.911 km SSE of Volcano, HawaiiMon, Nov 2, 6:43 AM HST · 16404 days ago · 7 km deep · 9 km away
41. 1.614 km S of Fern Forest, HawaiiMon, Nov 2, 11:14 AM HST · 16404 days ago · 5 km deep · 17 km away
42. 2.015 km S of Volcano, HawaiiMon, Nov 2, 12:31 PM HST · 16404 days ago · 7 km deep · 10 km away
43. 2.73 km WSW of Kealakekua, HawaiiMon, Nov 2, 5:26 PM HST · 16403 days ago · 9 km deep · 72 km away
44. 2.016 km NE of P?hala, HawaiiTue, Nov 3, 1:18 AM HST · 16403 days ago · 4 km deep · 11 km away
45. 1.916 km SSW of Volcano, HawaiiTue, Nov 3, 2:01 AM HST · 16403 days ago · 32 km deep · 8 km away
46. 1.930 km SSW of Honaunau-Napoopoo, HawaiiTue, Nov 3, 2:15 AM HST · 16403 days ago · 13 km deep · 79 km away
47. 1.812 km SSE of Volcano, HawaiiTue, Nov 3, 3:20 AM HST · 16403 days ago · 7 km deep · 9 km away
48. 2.68 km E of Waimea, HawaiiTue, Nov 3, 3:26 AM HST · 16403 days ago · 9 km deep · 78 km away
49. 2.412 km SSE of Volcano, HawaiiTue, Nov 3, 3:28 AM HST · 16403 days ago · 7 km deep · 12 km away
50. 2.717 km W of Volcano, HawaiiTue, Nov 3, 4:37 AM HST · 16403 days ago · 9 km deep · 14 km away
51. 1.813 km SSE of Volcano, HawaiiTue, Nov 3, 10:05 AM HST · 16403 days ago · 7 km deep · 10 km away
52. 2.46 km SW of Volcano, HawaiiTue, Nov 3, 7:56 PM HST · 16402 days ago · 2 km deep · 3 km away
53. 1.86 km SW of Volcano, HawaiiTue, Nov 3, 8:37 PM HST · 16402 days ago · 1 km deep · 3 km away
54. 1.87 km SW of Volcano, HawaiiWed, Nov 4, 10:03 AM HST · 16402 days ago · 2 km deep · 2 km away
55. 2.718 km SSE of Honaunau-Napoopoo, HawaiiWed, Nov 4, 10:45 AM HST · 16402 days ago · 5 km deep · 53 km away
56. 1.612 km SSE of Volcano, HawaiiWed, Nov 4, 11:35 AM HST · 16402 days ago · 7 km deep · 9 km away
57. 2.14 km SW of Volcano, HawaiiWed, Nov 4, 4:08 PM HST · 16401 days ago · 8 km deep · 5 km away
58. 1.911 km S of Volcano, HawaiiWed, Nov 4, 6:08 PM HST · 16401 days ago · 7 km deep · 8 km away
59. 2.016 km NE of P?hala, HawaiiWed, Nov 4, 7:17 PM HST · 16401 days ago · 7 km deep · 12 km away
60. 2.17 km SW of Volcano, HawaiiThu, Nov 5, 5:06 AM HST · 16401 days ago · 13 km deep · 3 km away

The first 60 of 199.

Before

1. 4.29 km SW of Volcano, HawaiiTue, Oct 27, 11:33 PM HST · 16409 days ago · 32 km deep · 0 km away
2. 2.712 km S of Fern Forest, HawaiiTue, Oct 27, 5:53 PM HST · 16409 days ago · 8 km deep · 18 km away
3. 2.511 km SSE of Fern Forest, HawaiiTue, Oct 27, 12:28 PM HST · 16410 days ago · 8 km deep · 19 km away
4. 2.013 km SSE of Volcano, HawaiiTue, Oct 27, 9:13 AM HST · 16410 days ago · 7 km deep · 10 km away
5. 2.21 km S of P?hala, HawaiiTue, Oct 27, 6:32 AM HST · 16410 days ago · 5 km deep · 28 km away
6. 2.115 km SSE of Fern Forest, HawaiiTue, Oct 27, 4:25 AM HST · 16410 days ago · 8 km deep · 23 km away
7. 1.614 km SSE of Volcano, HawaiiTue, Oct 27, 3:02 AM HST · 16410 days ago · 7 km deep · 11 km away
8. 2.214 km SSE of Eden Roc, HawaiiMon, Oct 26, 9:59 PM HST · 16410 days ago · 7 km deep · 26 km away
9. 2.014 km NE of P?hala, HawaiiMon, Oct 26, 11:59 AM HST · 16411 days ago · 6 km deep · 14 km away
10. 2.06 km SW of Volcano, HawaiiMon, Oct 26, 9:19 AM HST · 16411 days ago · 1 km deep · 4 km away
11. 1.914 km S of Volcano, HawaiiMon, Oct 26, 5:43 AM HST · 16411 days ago · 6 km deep · 10 km away
12. 1.88 km SSW of Volcano, HawaiiSun, Oct 25, 7:18 PM HST · 16411 days ago · 33 km deep · 1 km away
13. 1.911 km SSE of Volcano, HawaiiSun, Oct 25, 11:19 AM HST · 16412 days ago · 8 km deep · 9 km away
14. 1.812 km SSE of Volcano, HawaiiSun, Oct 25, 4:21 AM HST · 16412 days ago · 7 km deep · 10 km away
15. 2.014 km SSE of Volcano, HawaiiSat, Oct 24, 11:00 PM HST · 16412 days ago · 7 km deep · 11 km away
16. 2.216 km S of Volcano, HawaiiSat, Oct 24, 2:15 PM HST · 16412 days ago · 9 km deep · 11 km away
17. 2.126 km S of Leilani Estates, HawaiiSat, Oct 24, 11:53 AM HST · 16413 days ago · 41 km deep · 46 km away
18. 2.014 km SSE of Volcano, HawaiiSat, Oct 24, 9:36 AM HST · 16413 days ago · 6 km deep · 12 km away
19. 1.86 km W of Pepeekeo, HawaiiFri, Oct 23, 8:49 PM HST · 16413 days ago · 41 km deep · 54 km away
20. 1.99 km S of Volcano, HawaiiFri, Oct 23, 8:13 PM HST · 16413 days ago · 8 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19813581. Read Thu, Oct 1, 2026, 10:50 AM UTC.