M2.3 earthquake 14 km S of Volcano, Hawaii

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Dec 20, 1971, 10:02 PM HST

UTC

1971-12-21 08:02:40 UTC

Depth

8.0 km (5.0 mi), shallow

Epicenter

19.309° N, 155.218° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 1.4 km in depth

Depth from

From location

Station coverage gap

154°

Stations used

20

• Volcano, HawaiiPopulation 2,575. Forecast15 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast41 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast354 kmSE

After

1. 2.536 km SE of Naalehu, HawaiiMon, Dec 20, 10:10 PM HST · 20012 days ago · 13 km deep · 52 km away
2. 2.013 km NE of P?hala, HawaiiMon, Dec 20, 10:50 PM HST · 20012 days ago · 2 km deep · 17 km away
3. 1.920 km WSW of Volcano, HIMon, Dec 20, 11:39 PM HST · 20011 days ago · 7 km deep · 20 km away
4. 2.419 km ESE of Naalehu, HawaiiTue, Dec 21, 2:15 AM HST · 20011 days ago · 17 km deep · 39 km away
5. 1.914 km S of Volcano, HawaiiTue, Dec 21, 2:20 AM HST · 20011 days ago · 4 km deep · 1 km away
6. 2.013 km S of Fern Forest, HawaiiTue, Dec 21, 2:50 AM HST · 20011 days ago · 7 km deep · 11 km away
7. 2.012 km SSE of Volcano, HawaiiTue, Dec 21, 3:50 AM HST · 20011 days ago · 8 km deep · 4 km away
8. 2.743 km SE of Naalehu, HawaiiTue, Dec 21, 4:39 AM HST · 20011 days ago · 11 km deep · 59 km away
9. 2.014 km SSE of Volcano, HawaiiTue, Dec 21, 5:14 AM HST · 20011 days ago · 5 km deep · 3 km away
10. 1.914 km S of Volcano, HawaiiTue, Dec 21, 5:29 AM HST · 20011 days ago · 6 km deep · 3 km away
11. 3.139 km SE of Naalehu, HawaiiTue, Dec 21, 9:27 AM HST · 20011 days ago · 11 km deep · 55 km away
12. 3.640 km SE of Naalehu, HawaiiTue, Dec 21, 9:34 AM HST · 20011 days ago · 11 km deep · 56 km away
13. 2.833 km SE of Naalehu, HawaiiTue, Dec 21, 9:51 AM HST · 20011 days ago · 16 km deep · 47 km away
14. 2.637 km SE of Naalehu, HawaiiTue, Dec 21, 10:38 AM HST · 20011 days ago · 19 km deep · 54 km away
15. 3.339 km SE of Naalehu, HawaiiTue, Dec 21, 10:43 AM HST · 20011 days ago · 9 km deep · 53 km away
16. 1.912 km SSE of Volcano, HawaiiTue, Dec 21, 11:51 AM HST · 20011 days ago · 6 km deep · 3 km away
17. 2.642 km SE of Naalehu, HawaiiTue, Dec 21, 12:07 PM HST · 20011 days ago · 12 km deep · 59 km away
18. 2.424 km SE of Naalehu, HawaiiTue, Dec 21, 12:46 PM HST · 20011 days ago · 9 km deep · 46 km away
19. 2.942 km SE of Naalehu, HawaiiTue, Dec 21, 2:17 PM HST · 20011 days ago · 12 km deep · 58 km away
20. 2.311 km SSW of Volcano, HawaiiTue, Dec 21, 4:29 PM HST · 20011 days ago · 29 km deep · 7 km away
21. 2.022 km W of Volcano, HawaiiTue, Dec 21, 9:07 PM HST · 20011 days ago · -1 km deep · 29 km away
22. 2.411 km NE of Hawaiian Ocean View, HawaiiWed, Dec 22, 1:22 AM HST · 20010 days ago · 4 km deep · 53 km away
23. 1.916 km WSW of Volcano, HawaiiWed, Dec 22, 1:35 AM HST · 20010 days ago · 8 km deep · 20 km away
24. 2.644 km SE of Naalehu, HawaiiWed, Dec 22, 1:48 AM HST · 20010 days ago · 11 km deep · 57 km away
25. 2.017 km S of Volcano, HawaiiWed, Dec 22, 1:24 PM HST · 20010 days ago · 8 km deep · 3 km away
26. 2.7Hawaii region, HawaiiWed, Dec 22, 2:30 PM HST · 20010 days ago · 8 km deep · 61 km away
27. 2.939 km SE of Naalehu, HawaiiWed, Dec 22, 2:40 PM HST · 20010 days ago · 14 km deep · 55 km away
28. 2.534 km SE of Naalehu, HawaiiWed, Dec 22, 4:10 PM HST · 20010 days ago · 13 km deep · 51 km away
29. 2.019 km S of Volcano, HawaiiWed, Dec 22, 4:41 PM HST · 20010 days ago · 8 km deep · 5 km away
30. 2.531 km SE of Naalehu, HawaiiWed, Dec 22, 4:56 PM HST · 20010 days ago · 11 km deep · 47 km away
31. 2.526 km SE of Naalehu, HawaiiWed, Dec 22, 4:57 PM HST · 20010 days ago · 15 km deep · 47 km away
32. 2.8Hawaii region, HawaiiWed, Dec 22, 5:12 PM HST · 20010 days ago · 8 km deep · 50 km away
33. 2.016 km S of Volcano, HawaiiWed, Dec 22, 5:43 PM HST · 20010 days ago · 6 km deep · 2 km away
34. 2.118 km S of Fern Forest, HawaiiWed, Dec 22, 6:36 PM HST · 20010 days ago · 6 km deep · 9 km away
35. 2.017 km S of Volcano, HawaiiWed, Dec 22, 7:00 PM HST · 20010 days ago · 8 km deep · 2 km away
36. 2.017 km S of Volcano, HawaiiWed, Dec 22, 7:02 PM HST · 20010 days ago · 8 km deep · 2 km away
37. 2.317 km S of Volcano, HawaiiWed, Dec 22, 7:18 PM HST · 20010 days ago · 9 km deep · 2 km away
38. 2.118 km S of Fern Forest, HawaiiWed, Dec 22, 8:13 PM HST · 20010 days ago · 6 km deep · 9 km away
39. 1.913 km S of Volcano, HawaiiWed, Dec 22, 8:40 PM HST · 20010 days ago · 3 km deep · 1 km away
40. 1.916 km S of Volcano, HawaiiWed, Dec 22, 8:41 PM HST · 20010 days ago · 5 km deep · 2 km away
41. 2.525 km W of Volcano, HawaiiWed, Dec 22, 8:58 PM HST · 20010 days ago · 0 km deep · 32 km away
42. 1.915 km S of Volcano, HawaiiWed, Dec 22, 9:02 PM HST · 20010 days ago · 4 km deep · 1 km away
43. 2.117 km S of Fern Forest, HawaiiWed, Dec 22, 9:15 PM HST · 20010 days ago · 6 km deep · 9 km away
44. 2.017 km S of Volcano, HawaiiWed, Dec 22, 9:37 PM HST · 20010 days ago · 7 km deep · 3 km away
45. 1.915 km S of Volcano, HawaiiWed, Dec 22, 10:56 PM HST · 20010 days ago · 5 km deep · 4 km away
46. 2.718 km S of Fern Forest, HawaiiWed, Dec 22, 11:23 PM HST · 20009 days ago · 9 km deep · 9 km away
47. 2.018 km S of Volcano, HawaiiWed, Dec 22, 11:43 PM HST · 20009 days ago · 6 km deep · 4 km away
48. 1.916 km S of Volcano, HawaiiThu, Dec 23, 12:39 AM HST · 20009 days ago · 4 km deep · 3 km away
49. 2.014 km NE of P?hala, HawaiiThu, Dec 23, 12:57 AM HST · 20009 days ago · 3 km deep · 18 km away
50. 2.016 km S of Volcano, HawaiiThu, Dec 23, 1:40 AM HST · 20009 days ago · 7 km deep · 2 km away
51. 2.017 km S of Volcano, HawaiiThu, Dec 23, 1:57 AM HST · 20009 days ago · 7 km deep · 4 km away
52. 1.815 km SW of Volcano, HawaiiThu, Dec 23, 2:10 AM HST · 20009 days ago · 2 km deep · 11 km away
53. 2.121 km S of Fern Forest, HawaiiThu, Dec 23, 3:34 AM HST · 20009 days ago · 3 km deep · 12 km away
54. 2.021 km N of P?hala, HawaiiThu, Dec 23, 3:37 AM HST · 20009 days ago · 8 km deep · 26 km away
55. 3.141 km SE of Naalehu, HawaiiThu, Dec 23, 4:08 AM HST · 20009 days ago · 13 km deep · 56 km away
56. 2.855 km SE of Naalehu, HawaiiThu, Dec 23, 4:12 AM HST · 20009 days ago · 7 km deep · 71 km away
57. 2.217 km S of Volcano, HawaiiThu, Dec 23, 4:47 AM HST · 20009 days ago · 9 km deep · 2 km away
58. 2.016 km S of Volcano, HawaiiThu, Dec 23, 4:54 AM HST · 20009 days ago · 9 km deep · 2 km away
59. 2.528 km SE of Naalehu, HawaiiThu, Dec 23, 5:59 AM HST · 20009 days ago · 12 km deep · 46 km away
60. 2.315 km S of Volcano, HawaiiThu, Dec 23, 6:45 AM HST · 20009 days ago · 9 km deep · 1 km away

The first 60 of at least 202.

Before

1. 1.919 km WSW of Volcano, HawaiiMon, Dec 20, 12:39 PM HST · 20012 days ago · 6 km deep · 21 km away
2. 2.115 km SW of Volcano, HawaiiMon, Dec 20, 12:32 PM HST · 20012 days ago · 4 km deep · 11 km away
3. 2.612 km SSE of Volcano, HawaiiMon, Dec 20, 10:19 AM HST · 20012 days ago · 9 km deep · 4 km away
4. 3.742 km SE of Naalehu, HawaiiMon, Dec 20, 9:43 AM HST · 20012 days ago · 12 km deep · 56 km away
5. 2.015 km ENE of P?hala, HawaiiMon, Dec 20, 8:48 AM HST · 20012 days ago · 5 km deep · 15 km away
6. 2.013 km SW of Volcano, HawaiiMon, Dec 20, 8:30 AM HST · 20012 days ago · 2 km deep · 11 km away
7. 2.014 km SSE of Volcano, HawaiiMon, Dec 20, 7:42 AM HST · 20012 days ago · 8 km deep · 5 km away
8. 2.533 km SE of Naalehu, HawaiiMon, Dec 20, 7:36 AM HST · 20012 days ago · 6 km deep · 50 km away
9. 2.529 km SE of Naalehu, HawaiiMon, Dec 20, 5:46 AM HST · 20012 days ago · 16 km deep · 50 km away
10. 3.140 km SE of Naalehu, HawaiiMon, Dec 20, 5:43 AM HST · 20012 days ago · 11 km deep · 54 km away
11. 2.530 km SE of Naalehu, HawaiiMon, Dec 20, 5:42 AM HST · 20012 days ago · 7 km deep · 48 km away
12. 2.529 km SE of Naalehu, HawaiiMon, Dec 20, 5:39 AM HST · 20012 days ago · 8 km deep · 47 km away
13. 2.634 km SE of Naalehu, HawaiiMon, Dec 20, 4:26 AM HST · 20012 days ago · 19 km deep · 54 km away
14. 2.527 km SE of Naalehu, HawaiiMon, Dec 20, 4:21 AM HST · 20012 days ago · 11 km deep · 46 km away
15. 2.941 km SE of Naalehu, HawaiiMon, Dec 20, 4:12 AM HST · 20012 days ago · 12 km deep · 58 km away
16. 2.744 km SSE of Naalehu, HawaiiMon, Dec 20, 2:42 AM HST · 20012 days ago · 20 km deep · 66 km away
17. 2.744 km SE of Naalehu, HawaiiMon, Dec 20, 2:18 AM HST · 20012 days ago · 12 km deep · 59 km away
18. 2.530 km SE of Naalehu, HawaiiMon, Dec 20, 2:07 AM HST · 20012 days ago · 9 km deep · 50 km away
19. 2.530 km SE of Naalehu, HawaiiMon, Dec 20, 2:01 AM HST · 20012 days ago · 18 km deep · 50 km away
20. 2.422 km SE of Naalehu, HawaiiMon, Dec 20, 1:54 AM HST · 20012 days ago · 13 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19715992. Read Sun, Oct 4, 2026, 8:41 PM UTC.