M2.1 earthquake 11 km SW of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Thu, Apr 9, 1981, 12:43 AM HST

UTC

1981-04-09 10:43:51 UTC

Depth

1.8 km (1.1 mi), shallow

Epicenter

19.361° N, 155.302° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.5 km in depth

Depth from

From location

Station coverage gap

55°

Stations used

20

• Volcano, HawaiiPopulation 2,575. Forecast12 kmSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast43 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast343 kmSE

After

1. 1.912 km S of Volcano, HawaiiThu, Apr 9, 4:39 AM HST · 16611 days ago · 7 km deep · 9 km away
2. 2.112 km SSE of Fern Forest, HawaiiThu, Apr 9, 1:20 PM HST · 16611 days ago · 8 km deep · 22 km away
3. 1.8Island of Hawaii, HawaiiThu, Apr 9, 3:56 PM HST · 16610 days ago · 2 km deep · 0 km away
4. 2.014 km S of Fern Forest, HawaiiThu, Apr 9, 6:53 PM HST · 16610 days ago · 8 km deep · 19 km away
5. 1.811 km SW of Volcano, HawaiiThu, Apr 9, 7:01 PM HST · 16610 days ago · 2 km deep · 1 km away
6. 2.05 km S of Volcano, HawaiiThu, Apr 9, 8:33 PM HST · 16610 days ago · 12 km deep · 8 km away
7. 2.114 km SSE of Volcano, HawaiiThu, Apr 9, 9:44 PM HST · 16610 days ago · 8 km deep · 13 km away
8. 1.911 km SW of Volcano, HawaiiFri, Apr 10, 2:22 AM HST · 16610 days ago · 2 km deep · 0 km away
9. 2.310 km SW of Volcano, HawaiiFri, Apr 10, 3:04 AM HST · 16610 days ago · 2 km deep · 2 km away
10. 1.711 km SW of Volcano, HawaiiFri, Apr 10, 3:12 AM HST · 16610 days ago · 2 km deep · 0 km away
11. 2.39 km SW of Leilani Estates, HawaiiFri, Apr 10, 3:30 AM HST · 16610 days ago · 6 km deep · 34 km away
12. 1.815 km SW of Volcano, HawaiiFri, Apr 10, 4:09 AM HST · 16610 days ago · 2 km deep · 4 km away
13. 2.311 km SW of Volcano, HawaiiFri, Apr 10, 4:47 AM HST · 16610 days ago · 2 km deep · 0 km away
14. 1.912 km SSW of Volcano, HawaiiFri, Apr 10, 5:24 AM HST · 16610 days ago · 30 km deep · 2 km away
15. 2.720 km NNE of P?hala, HawaiiFri, Apr 10, 9:59 AM HST · 16610 days ago · 9 km deep · 13 km away
16. 2.114 km SSE of Volcano, HawaiiFri, Apr 10, 3:47 PM HST · 16609 days ago · 8 km deep · 12 km away
17. 2.416 km S of Fern Forest, HawaiiFri, Apr 10, 7:42 PM HST · 16609 days ago · 6 km deep · 18 km away
18. 1.813 km SE of Fern Forest, HawaiiSat, Apr 11, 1:44 AM HST · 16609 days ago · 7 km deep · 27 km away
19. 2.113 km NE of P?hala, HawaiiSat, Apr 11, 5:25 AM HST · 16609 days ago · 5 km deep · 12 km away
20. 1.814 km SSW of Volcano, HawaiiSat, Apr 11, 5:42 AM HST · 16609 days ago · 7 km deep · 6 km away
21. 2.415 km NE of Honaunau-Napoopoo, HawaiiSat, Apr 11, 10:54 AM HST · 16609 days ago · 7 km deep · 51 km away
22. 2.111 km SW of Volcano, HawaiiSat, Apr 11, 2:05 PM HST · 16609 days ago · 2 km deep · 0 km away
23. 2.111 km SW of Volcano, HawaiiSat, Apr 11, 2:22 PM HST · 16609 days ago · 2 km deep · 0 km away
24. 2.414 km W of Volcano, HawaiiSat, Apr 11, 2:49 PM HST · 16608 days ago · 7 km deep · 12 km away
25. 1.623 km W of Volcano, HawaiiSat, Apr 11, 4:43 PM HST · 16608 days ago · 5 km deep · 19 km away
26. 1.713 km SSE of Volcano, HawaiiSat, Apr 11, 4:56 PM HST · 16608 days ago · 7 km deep · 12 km away
27. 1.917 km NE of P?hala, HawaiiSat, Apr 11, 5:46 PM HST · 16608 days ago · 7 km deep · 8 km away
28. 2.114 km SW of Volcano, HawaiiSat, Apr 11, 6:00 PM HST · 16608 days ago · 3 km deep · 3 km away
29. 2.08 km SSW of Volcano, HawaiiSat, Apr 11, 7:26 PM HST · 16608 days ago · 2 km deep · 3 km away
30. 2.88 km SW of Volcano, HawaiiSat, Apr 11, 9:59 PM HST · 16608 days ago · 1 km deep · 3 km away
31. 1.914 km SSE of Volcano, HawaiiSat, Apr 11, 10:47 PM HST · 16608 days ago · 10 km deep · 15 km away
32. 1.711 km SSW of Volcano, HawaiiSat, Apr 11, 10:55 PM HST · 16608 days ago · 2 km deep · 1 km away
33. 2.49 km SW of Volcano, HawaiiSun, Apr 12, 2:46 AM HST · 16608 days ago · 2 km deep · 2 km away
34. 2.416 km W of Volcano, HawaiiSun, Apr 12, 7:14 AM HST · 16608 days ago · 7 km deep · 13 km away
35. 1.514 km S of Fern Forest, HawaiiSun, Apr 12, 3:50 PM HST · 16607 days ago · 9 km deep · 16 km away
36. 2.618 km S of Waikoloa, HawaiiMon, Apr 13, 3:17 AM HST · 16607 days ago · 10 km deep · 69 km away
37. 1.814 km SE of Volcano, HawaiiMon, Apr 13, 3:23 AM HST · 16607 days ago · 6 km deep · 15 km away
38. 2.614 km NNW of Wai‘?hinu, HawaiiMon, Apr 13, 4:51 AM HST · 16607 days ago · 4 km deep · 45 km away
39. 2.019 km SSW of Leilani Estates, HawaiiMon, Apr 13, 5:34 AM HST · 16607 days ago · 39 km deep · 34 km away
40. 2.014 km SSE of Volcano, HawaiiMon, Apr 13, 8:45 AM HST · 16607 days ago · 6 km deep · 13 km away
41. 2.016 km NE of P?hala, HawaiiMon, Apr 13, 11:13 AM HST · 16607 days ago · 8 km deep · 9 km away
42. 2.614 km S of Volcano, HawaiiMon, Apr 13, 7:14 PM HST · 16606 days ago · 8 km deep · 8 km away
43. 2.211 km SW of Volcano, HawaiiTue, Apr 14, 3:29 AM HST · 16606 days ago · 2 km deep · 0 km away
44. 2.511 km SW of Volcano, HawaiiTue, Apr 14, 6:29 AM HST · 16606 days ago · 2 km deep · 0 km away
45. 1.98 km SW of Volcano, HawaiiTue, Apr 14, 11:22 AM HST · 16606 days ago · 2 km deep · 3 km away
46. 2.014 km NE of P?hala, HawaiiTue, Apr 14, 1:55 PM HST · 16606 days ago · 6 km deep · 12 km away
47. 2.412 km SSE of Fern Forest, HawaiiTue, Apr 14, 2:07 PM HST · 16606 days ago · 8 km deep · 21 km away
48. 2.114 km NE of P?hala, HawaiiTue, Apr 14, 9:12 PM HST · 16605 days ago · 5 km deep · 11 km away
49. 2.014 km NE of P?hala, HawaiiTue, Apr 14, 9:17 PM HST · 16605 days ago · 3 km deep · 11 km away
50. 2.012 km NE of P?hala, HawaiiTue, Apr 14, 11:21 PM HST · 16605 days ago · 2 km deep · 13 km away
51. 2.414 km NE of P?hala, HawaiiWed, Apr 15, 2:34 AM HST · 16605 days ago · 4 km deep · 11 km away
52. 2.211 km SW of Volcano, HawaiiWed, Apr 15, 3:57 AM HST · 16605 days ago · 2 km deep · 1 km away
53. 2.012 km SW of Volcano, HawaiiWed, Apr 15, 7:47 AM HST · 16605 days ago · 1 km deep · 1 km away
54. 1.812 km SW of Volcano, HawaiiWed, Apr 15, 9:21 AM HST · 16605 days ago · 2 km deep · 1 km away
55. 2.524 km WNW of Volcano, HawaiiWed, Apr 15, 10:48 AM HST · 16605 days ago · 8 km deep · 22 km away
56. 2.115 km NE of P?hala, HawaiiWed, Apr 15, 11:32 AM HST · 16605 days ago · 4 km deep · 10 km away
57. 2.111 km SSE of Volcano, HawaiiWed, Apr 15, 12:26 PM HST · 16605 days ago · 7 km deep · 10 km away
58. 1.710 km S of Volcano, HawaiiWed, Apr 15, 3:09 PM HST · 16604 days ago · 8 km deep · 9 km away
59. 1.711 km SSW of Volcano, HawaiiWed, Apr 15, 4:08 PM HST · 16604 days ago · 1 km deep · 3 km away
60. 2.113 km SSE of Fern Forest, HawaiiWed, Apr 15, 10:43 PM HST · 16604 days ago · 6 km deep · 21 km away

The first 60 of at least 201.

Before

1. 2.011 km S of Volcano, HawaiiWed, Apr 8, 9:04 PM HST · 16611 days ago · 8 km deep · 9 km away
2. 3.1Island of Hawaii, HawaiiWed, Apr 8, 6:53 PM HST · 16611 days ago · 9 km deep · 14 km away
3. 2.014 km NE of P?hala, HawaiiWed, Apr 8, 12:36 PM HST · 16612 days ago · 3 km deep · 11 km away
4. 1.811 km S of Volcano, HawaiiWed, Apr 8, 4:52 AM HST · 16612 days ago · 8 km deep · 9 km away
5. 1.923 km WNW of Hawaiian Ocean View, HawaiiWed, Apr 8, 4:06 AM HST · 16612 days ago · 14 km deep · 74 km away
6. 2.1Island of Hawaii, HawaiiWed, Apr 8, 1:37 AM HST · 16612 days ago · 7 km deep · 28 km away
7. 2.312 km NE of P?hala, HawaiiTue, Apr 7, 10:47 PM HST · 16612 days ago · 3 km deep · 13 km away
8. 2.013 km NE of P?hala, HawaiiTue, Apr 7, 9:08 PM HST · 16612 days ago · 2 km deep · 12 km away
9. 1.613 km SSE of Volcano, HawaiiTue, Apr 7, 8:35 PM HST · 16612 days ago · 7 km deep · 11 km away
10. 2.511 km NE of P?hala, HawaiiTue, Apr 7, 7:06 PM HST · 16612 days ago · 5 km deep · 14 km away
11. 3.017 km SW of Leilani Estates, HawaiiTue, Apr 7, 4:47 PM HST · 16612 days ago · 8 km deep · 29 km away
12. 2.312 km NE of P?hala, HawaiiTue, Apr 7, 3:56 PM HST · 16612 days ago · 7 km deep · 13 km away
13. 2.019 km WSW of Volcano, HawaiiTue, Apr 7, 7:41 AM HST · 16613 days ago · 8 km deep · 12 km away
14. 2.013 km NE of P?hala, HawaiiTue, Apr 7, 5:56 AM HST · 16613 days ago · 2 km deep · 12 km away
15. 2.215 km NE of P?hala, HawaiiMon, Apr 6, 11:07 PM HST · 16613 days ago · 3 km deep · 10 km away
16. 2.215 km NE of P?hala, HawaiiMon, Apr 6, 11:06 PM HST · 16613 days ago · 4 km deep · 11 km away
17. 1.914 km S of Volcano, HawaiiMon, Apr 6, 7:21 PM HST · 16613 days ago · 6 km deep · 10 km away
18. 2.034 km SW of Captain Cook, HawaiiMon, Apr 6, 6:13 PM HST · 16613 days ago · 34 km deep · 92 km away
19. 2.117 km NE of P?hala, HawaiiMon, Apr 6, 4:33 PM HST · 16613 days ago · 3 km deep · 8 km away
20. 2.011 km NE of P?hala, HawaiiMon, Apr 6, 2:24 PM HST · 16614 days ago · 6 km deep · 14 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19811435. Read Thu, Oct 1, 2026, 12:00 PM UTC.