M2.1 earthquake 11 km SSE of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sat, Apr 25, 1981, 4:39 AM HST

UTC

1981-04-25 14:39:21 UTC

Depth

7.1 km (4.4 mi), shallow

Epicenter

19.340° N, 155.206° 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

±0.05

Depth from

From location

Station coverage gap

71°

Stations used

37

• Volcano, HawaiiPopulation 2,575. Forecast12 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast37 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast353 kmSE

After

1. 2.115 km S of Fern Forest, HawaiiSat, Apr 25, 9:50 AM HST · 16595 days ago · 7 km deep · 8 km away
2. 2.012 km SSE of Volcano, HawaiiSat, Apr 25, 10:03 AM HST · 16595 days ago · 7 km deep · 1 km away
3. 2.614 km SSE of Volcano, HawaiiSat, Apr 25, 12:13 PM HST · 16594 days ago · 8 km deep · 2 km away
4. 1.913 km SSE of Volcano, HawaiiSat, Apr 25, 2:06 PM HST · 16594 days ago · 8 km deep · 2 km away
5. 2.214 km S of Volcano, HawaiiSat, Apr 25, 3:34 PM HST · 16594 days ago · 9 km deep · 4 km away
6. 1.914 km S of Volcano, HawaiiSat, Apr 25, 3:49 PM HST · 16594 days ago · 6 km deep · 4 km away
7. 2.515 km S of Fern Forest, HawaiiSat, Apr 25, 6:35 PM HST · 16594 days ago · 8 km deep · 7 km away
8. 2.614 km S of Fern Forest, HawaiiSat, Apr 25, 6:48 PM HST · 16594 days ago · 9 km deep · 10 km away
9. 2.411 km SSE of Volcano, HawaiiSat, Apr 25, 7:20 PM HST · 16594 days ago · 7 km deep · 0 km away
10. 2.611 km S of Volcano, HawaiiSat, Apr 25, 7:53 PM HST · 16594 days ago · 8 km deep · 1 km away
11. 2.114 km SSE of Fern Forest, HawaiiSun, Apr 26, 1:12 AM HST · 16594 days ago · 8 km deep · 11 km away
12. 2.012 km S of Volcano, HawaiiSun, Apr 26, 1:41 AM HST · 16594 days ago · 7 km deep · 2 km away
13. 2.013 km SSE of Volcano, HawaiiSun, Apr 26, 2:48 AM HST · 16594 days ago · 7 km deep · 2 km away
14. 1.913 km SSE of Volcano, HawaiiSun, Apr 26, 5:09 AM HST · 16594 days ago · 7 km deep · 2 km away
15. 2.318 km N of P?hala, HawaiiSun, Apr 26, 8:45 AM HST · 16594 days ago · 11 km deep · 25 km away
16. 1.812 km SSE of Volcano, HawaiiSun, Apr 26, 10:02 AM HST · 16594 days ago · 7 km deep · 1 km away
17. 2.112 km SSE of Fern Forest, HawaiiSun, Apr 26, 11:50 AM HST · 16593 days ago · 8 km deep · 11 km away
18. 2.016 km NE of P?hala, HawaiiSun, Apr 26, 2:28 PM HST · 16593 days ago · 6 km deep · 17 km away
19. 2.210 km SW of Volcano, HawaiiSun, Apr 26, 2:29 PM HST · 16593 days ago · 2 km deep · 9 km away
20. 2.314 km S of Volcano, HawaiiSun, Apr 26, 4:10 PM HST · 16593 days ago · 6 km deep · 4 km away
21. 2.411 km SW of Volcano, HawaiiSun, Apr 26, 7:01 PM HST · 16593 days ago · 2 km deep · 10 km away
22. 1.814 km SSE of Volcano, HawaiiSun, Apr 26, 8:38 PM HST · 16593 days ago · 7 km deep · 4 km away
23. 1.913 km S of Volcano, HawaiiSun, Apr 26, 10:04 PM HST · 16593 days ago · 6 km deep · 3 km away
24. 2.318 km NE of P?hala, HawaiiSun, Apr 26, 11:06 PM HST · 16593 days ago · 2 km deep · 16 km away
25. 2.619 km WSW of Volcano, HawaiiSun, Apr 26, 11:49 PM HST · 16593 days ago · 9 km deep · 21 km away
26. 2.010 km SW of Volcano, HawaiiSun, Apr 26, 11:53 PM HST · 16593 days ago · 2 km deep · 10 km away
27. 2.113 km SSE of Volcano, HawaiiMon, Apr 27, 2:04 AM HST · 16593 days ago · 6 km deep · 2 km away
28. 2.08 km SW of Volcano, HawaiiMon, Apr 27, 2:21 AM HST · 16593 days ago · 1 km deep · 9 km away
29. 2.18 km SW of Volcano, HawaiiMon, Apr 27, 3:33 AM HST · 16593 days ago · 2 km deep · 9 km away
30. 2.225 km ESE of Honaunau-Napoopoo, HawaiiMon, Apr 27, 3:34 AM HST · 16593 days ago · -3 km deep · 45 km away
31. 2.012 km SSE of Volcano, HawaiiMon, Apr 27, 4:00 AM HST · 16593 days ago · 7 km deep · 1 km away
32. 3.116 km S of Fern Forest, HawaiiMon, Apr 27, 4:57 AM HST · 16593 days ago · 8 km deep · 10 km away
33. 2.1Island of Hawaii, HawaiiMon, Apr 27, 5:19 AM HST · 16593 days ago · 7 km deep · 10 km away
34. 2.18 km SW of Volcano, HawaiiMon, Apr 27, 8:46 AM HST · 16593 days ago · 2 km deep · 9 km away
35. 1.911 km S of Volcano, HawaiiMon, Apr 27, 9:22 AM HST · 16593 days ago · 6 km deep · 1 km away
36. 2.08 km SW of Volcano, HawaiiMon, Apr 27, 9:24 AM HST · 16593 days ago · 2 km deep · 9 km away
37. 3.519 km SSE of Volcano, HawaiiMon, Apr 27, 11:29 AM HST · 16592 days ago · 3 km deep · 8 km away
38. 2.114 km SW of Volcano, HawaiiMon, Apr 27, 12:22 PM HST · 16592 days ago · 3 km deep · 11 km away
39. 2.019 km SSE of Volcano, HawaiiMon, Apr 27, 1:10 PM HST · 16592 days ago · 1 km deep · 8 km away
40. 3.57 km SW of Volcano, HawaiiMon, Apr 27, 6:08 PM HST · 16592 days ago · 2 km deep · 9 km away
41. 2.012 km SSE of Volcano, HawaiiMon, Apr 27, 9:23 PM HST · 16592 days ago · 8 km deep · 1 km away
42. 2.011 km SW of Volcano, HawaiiTue, Apr 28, 7:09 AM HST · 16592 days ago · 2 km deep · 10 km away
43. 3.114 km SSE of Volcano, HawaiiTue, Apr 28, 8:46 AM HST · 16592 days ago · 9 km deep · 3 km away
44. 2.311 km SW of Volcano, HawaiiTue, Apr 28, 8:50 AM HST · 16592 days ago · 2 km deep · 10 km away
45. 2.212 km WNW of P?hala, HawaiiTue, Apr 28, 10:42 AM HST · 16591 days ago · 7 km deep · 41 km away
46. 2.116 km S of Fern Forest, HawaiiTue, Apr 28, 12:23 PM HST · 16591 days ago · 8 km deep · 10 km away
47. 2.015 km S of Fern Forest, HawaiiTue, Apr 28, 12:23 PM HST · 16591 days ago · 7 km deep · 10 km away
48. 1.712 km SSE of Volcano, HawaiiTue, Apr 28, 1:05 PM HST · 16591 days ago · 7 km deep · 1 km away
49. 1.915 km S of Fern Forest, HawaiiTue, Apr 28, 1:12 PM HST · 16591 days ago · 7 km deep · 9 km away
50. 1.814 km SSE of Volcano, HawaiiTue, Apr 28, 1:52 PM HST · 16591 days ago · 6 km deep · 5 km away
51. 2.715 km S of Fern Forest, HawaiiTue, Apr 28, 2:51 PM HST · 16591 days ago · 8 km deep · 9 km away
52. 2.47 km SSW of Hilo, HawaiiTue, Apr 28, 5:56 PM HST · 16591 days ago · 35 km deep · 38 km away
53. 2.07 km SW of Volcano, HawaiiTue, Apr 28, 7:28 PM HST · 16591 days ago · 2 km deep · 9 km away
54. 2.013 km NE of P?hala, HawaiiWed, Apr 29, 12:40 AM HST · 16591 days ago · 2 km deep · 20 km away
55. 2.011 km SSW of Volcano, HawaiiWed, Apr 29, 1:51 AM HST · 16591 days ago · 2 km deep · 9 km away
56. 1.514 km SE of Fern Forest, HawaiiWed, Apr 29, 6:40 AM HST · 16591 days ago · 7 km deep · 16 km away
57. 2.114 km SE of Fern Forest, HawaiiWed, Apr 29, 6:41 AM HST · 16591 days ago · 9 km deep · 16 km away
58. 1.97 km SW of Volcano, HawaiiWed, Apr 29, 9:23 AM HST · 16591 days ago · 2 km deep · 9 km away
59. 2.012 km SSW of Volcano, HawaiiWed, Apr 29, 10:45 AM HST · 16590 days ago · 3 km deep · 9 km away
60. 1.613 km SSE of Volcano, HawaiiWed, Apr 29, 2:49 PM HST · 16590 days ago · 5 km deep · 2 km away

The first 60 of at least 201.

Before

1. 2.315 km S of Volcano, HawaiiSat, Apr 25, 4:26 AM HST · 16595 days ago · 9 km deep · 5 km away
2. 2.611 km SW of Volcano, HawaiiSat, Apr 25, 3:23 AM HST · 16595 days ago · 2 km deep · 10 km away
3. 2.315 km NE of P?hala, HawaiiSat, Apr 25, 1:02 AM HST · 16595 days ago · 8 km deep · 17 km away
4. 1.68 km SW of Volcano, HawaiiFri, Apr 24, 10:13 PM HST · 16595 days ago · 2 km deep · 9 km away
5. 2.77 km SW of Volcano, HawaiiFri, Apr 24, 8:44 PM HST · 16595 days ago · 2 km deep · 9 km away
6. 2.47 km SW of Volcano, HawaiiFri, Apr 24, 8:37 PM HST · 16595 days ago · 2 km deep · 9 km away
7. 2.47 km SW of Volcano, HawaiiFri, Apr 24, 6:00 PM HST · 16595 days ago · 2 km deep · 9 km away
8. 2.113 km S of Volcano, HawaiiFri, Apr 24, 12:46 PM HST · 16595 days ago · 7 km deep · 5 km away
9. 2.016 km S of Fern Forest, HawaiiFri, Apr 24, 7:38 AM HST · 16596 days ago · 5 km deep · 7 km away
10. 2.225 km ESE of Honaunau-Napoopoo, HawaiiFri, Apr 24, 1:39 AM HST · 16596 days ago · -3 km deep · 44 km away
11. 3.115 km S of Fern Forest, HawaiiThu, Apr 23, 10:48 PM HST · 16596 days ago · 8 km deep · 10 km away
12. 1.910 km S of Volcano, HawaiiThu, Apr 23, 12:36 PM HST · 16596 days ago · 7 km deep · 1 km away
13. 1.514 km S of Volcano, HawaiiThu, Apr 23, 11:45 AM HST · 16596 days ago · 8 km deep · 4 km away
14. 1.613 km SSE of Volcano, HawaiiThu, Apr 23, 6:35 AM HST · 16597 days ago · 8 km deep · 2 km away
15. 3.412 km SE of Fern Forest, HawaiiThu, Apr 23, 3:44 AM HST · 16597 days ago · 8 km deep · 15 km away
16. 2.414 km S of Fern Forest, HawaiiThu, Apr 23, 2:28 AM HST · 16597 days ago · 8 km deep · 9 km away
17. 2.513 km SSE of Fern Forest, HawaiiWed, Apr 22, 11:22 PM HST · 16597 days ago · 9 km deep · 12 km away
18. 1.97 km SW of Volcano, HawaiiWed, Apr 22, 9:32 PM HST · 16597 days ago · 2 km deep · 10 km away
19. 2.015 km S of Volcano, HawaiiWed, Apr 22, 5:27 PM HST · 16597 days ago · 6 km deep · 4 km away
20. 1.811 km SSE of Volcano, HawaiiTue, Apr 21, 10:12 PM HST · 16598 days ago · 7 km deep · 1 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19811583. Read Thu, Oct 1, 2026, 8:10 AM UTC.