M2.1 earthquake 18 km WSW of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sun, Apr 30, 1972, 10:30 AM HST

UTC

1972-04-30 20:30:18 UTC

Depth

10.2 km (6.3 mi), shallow

Epicenter

19.383° N, 155.397° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.3 km horizontally, 3.5 km in depth

Depth from

From location

Station coverage gap

197°, poorly surrounded by stations

Stations used

7

• Volcano, HawaiiPopulation 2,575. Forecast18 kmWSW
• Hilo, HawaiiPopulation 43,263. Forecast50 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast334 kmSE

After

1. 2.314 km SSE of Volcano, HawaiiMon, May 1, 2:06 AM HST · 19878 days ago · 9 km deep · 23 km away
2. 2.014 km S of Volcano, HawaiiMon, May 1, 3:31 AM HST · 19878 days ago · 7 km deep · 19 km away
3. 2.122 km N of P?hala, HawaiiMon, May 1, 5:09 AM HST · 19878 days ago · 14 km deep · 9 km away
4. 2.314 km SSE of Volcano, HawaiiMon, May 1, 9:52 AM HST · 19878 days ago · 4 km deep · 22 km away
5. 2.015 km S of Fern Forest, HawaiiMon, May 1, 2:24 PM HST · 19878 days ago · 7 km deep · 28 km away
6. 2.615 km S of Volcano, HawaiiMon, May 1, 9:49 PM HST · 19877 days ago · 7 km deep · 20 km away
7. 2.913 km NW of Kalaoa, HawaiiMon, May 1, 11:18 PM HST · 19877 days ago · 41 km deep · 86 km away
8. 2.315 km S of Volcano, HawaiiTue, May 2, 12:48 AM HST · 19877 days ago · 7 km deep · 20 km away
9. 2.46 km SSW of Volcano, HawaiiTue, May 2, 5:04 AM HST · 19877 days ago · 40 km deep · 14 km away
10. 3.02 km NNW of Volcano, HawaiiTue, May 2, 7:39 AM HST · 19877 days ago · 31 km deep · 18 km away
11. 2.116 km WSW of Volcano, HawaiiTue, May 2, 7:55 AM HST · 19877 days ago · 10 km deep · 2 km away
12. 2.05 km WSW of Volcano, HawaiiWed, May 3, 2:43 AM HST · 19876 days ago · 15 km deep · 12 km away
13. 3.118 km W of Volcano, HawaiiWed, May 3, 2:34 PM HST · 19876 days ago · 8 km deep · 5 km away
14. 2.119 km N of P?hala, HawaiiWed, May 3, 8:09 PM HST · 19875 days ago · 8 km deep · 10 km away
15. 2.218 km NW of Volcano, HawaiiThu, May 4, 7:25 AM HST · 19875 days ago · 23 km deep · 18 km away
16. 2.319 km W of Volcano, HawaiiThu, May 4, 7:51 AM HST · 19875 days ago · 7 km deep · 6 km away
17. 2.93 km NNW of Waikoloa, HawaiiFri, May 5, 12:53 PM HST · 19874 days ago · 0 km deep · 78 km away
18. 2.832 km SSE of Volcano, HawaiiSat, May 6, 3:07 AM HST · 19873 days ago · 42 km deep · 35 km away
19. 2.014 km S of Fern Forest, HawaiiSat, May 6, 7:38 AM HST · 19873 days ago · 7 km deep · 27 km away
20. 2.017 km WSW of Volcano, HawaiiSat, May 6, 4:07 PM HST · 19873 days ago · 11 km deep · 2 km away
21. 2.8Hawaii region, HawaiiSat, May 6, 7:29 PM HST · 19872 days ago · 14 km deep · 59 km away
22. 2.839 km ESE of Naalehu, HawaiiSat, May 6, 8:00 PM HST · 19872 days ago · 16 km deep · 58 km away
23. 2.814 km SSE of Fern Forest, HawaiiSun, May 7, 8:56 PM HST · 19871 days ago · 7 km deep · 32 km away
24. 2.221 km W of Volcano, HawaiiMon, May 8, 10:53 PM HST · 19870 days ago · 10 km deep · 6 km away
25. 2.520 km WSW of Volcano, HawaiiMon, May 8, 11:14 PM HST · 19870 days ago · 8 km deep · 2 km away
26. 2.536 km SE of Naalehu, HawaiiTue, May 9, 12:18 AM HST · 19870 days ago · 14 km deep · 57 km away
27. 2.413 km ENE of P?hala, HawaiiWed, May 10, 3:35 AM HST · 19869 days ago · 7 km deep · 14 km away
28. 2.521 km WSW of Volcano, HawaiiWed, May 10, 5:18 AM HST · 19869 days ago · 9 km deep · 4 km away
29. 2.52 km ESE of P?hala, HawaiiWed, May 10, 7:22 AM HST · 19869 days ago · 6 km deep · 22 km away
30. 2.87 km W of P?hala, HawaiiThu, May 11, 6:38 PM HST · 19868 days ago · -1 km deep · 27 km away
31. 2.214 km S of Volcano, HawaiiThu, May 11, 7:36 PM HST · 19867 days ago · 7 km deep · 18 km away
32. 2.012 km NE of P?hala, HawaiiFri, May 12, 2:03 PM HST · 19867 days ago · 3 km deep · 11 km away
33. 2.518 km ENE of H?lualoa, HawaiiFri, May 12, 8:16 PM HST · 19866 days ago · 8 km deep · 54 km away
34. 2.319 km NNE of P?hala, HawaiiSat, May 13, 8:16 PM HST · 19865 days ago · 9 km deep · 3 km away
35. 2.020 km NNE of P?hala, HawaiiSat, May 13, 8:37 PM HST · 19865 days ago · 7 km deep · 3 km away
36. 2.421 km W of Volcano, HawaiiSun, May 14, 1:11 AM HST · 19865 days ago · 12 km deep · 7 km away
37. 2.120 km N of P?hala, HawaiiSun, May 14, 6:22 AM HST · 19865 days ago · 14 km deep · 7 km away
38. 2.321 km NNE of P?hala, HawaiiSun, May 14, 1:15 PM HST · 19865 days ago · 10 km deep · 3 km away
39. 2.119 km WSW of Volcano, HawaiiSun, May 14, 8:03 PM HST · 19864 days ago · 12 km deep · 1 km away
40. 2.317 km SSE of Fern Forest, HawaiiMon, May 15, 2:04 AM HST · 19864 days ago · 2 km deep · 37 km away
41. 3.310 km NNW of Volcano, HawaiiMon, May 15, 4:05 AM HST · 19864 days ago · 26 km deep · 21 km away
42. 2.614 km S of Volcano, HawaiiMon, May 15, 5:04 AM HST · 19864 days ago · 8 km deep · 16 km away
43. 2.49 km SW of Volcano, HawaiiMon, May 15, 11:26 PM HST · 19863 days ago · 29 km deep · 10 km away
44. 3.013 km NE of P?hala, HawaiiTue, May 16, 2:17 AM HST · 19863 days ago · 8 km deep · 13 km away
45. 2.117 km S of Volcano, HawaiiTue, May 16, 2:17 PM HST · 19863 days ago · 8 km deep · 18 km away
46. 3.020 km WSW of Volcano, HawaiiTue, May 16, 6:07 PM HST · 19863 days ago · 7 km deep · 3 km away
47. 2.218 km N of P?hala, HawaiiWed, May 17, 2:49 AM HST · 19862 days ago · 9 km deep · 6 km away
48. 2.517 km S of Volcano, HawaiiWed, May 17, 3:28 AM HST · 19862 days ago · 9 km deep · 22 km away
49. 2.324 km W of Volcano, HawaiiWed, May 17, 4:09 PM HST · 19862 days ago · 12 km deep · 10 km away
50. 2.312 km SSW of Volcano, HawaiiThu, May 18, 6:15 AM HST · 19861 days ago · 4 km deep · 15 km away
51. 2.417 km SSE of Volcano, HawaiiThu, May 18, 12:05 PM HST · 19861 days ago · 0 km deep · 25 km away
52. 2.811 km N of Wai‘?hinu, HawaiiThu, May 18, 7:00 PM HST · 19861 days ago · 8 km deep · 34 km away
53. 3.319 km SSW of Leilani Estates, HawaiiThu, May 18, 10:27 PM HST · 19860 days ago · 7 km deep · 40 km away
54. 2.014 km SSE of Volcano, HawaiiFri, May 19, 6:11 AM HST · 19860 days ago · 7 km deep · 22 km away
55. 2.014 km SSE of Volcano, HawaiiFri, May 19, 8:37 PM HST · 19859 days ago · 6 km deep · 23 km away
56. 2.711 km SSW of Volcano, HawaiiSat, May 20, 8:00 AM HST · 19859 days ago · 27 km deep · 14 km away
57. 1.96 km WSW of Volcano, HawaiiSat, May 20, 12:29 PM HST · 19859 days ago · 12 km deep · 12 km away
58. 2.26 km WSW of Volcano, HawaiiSat, May 20, 1:17 PM HST · 19859 days ago · 10 km deep · 12 km away
59. 2.017 km NNE of P?hala, HawaiiSun, May 21, 7:13 AM HST · 19858 days ago · 10 km deep · 4 km away
60. 3.330 km WNW of Kailua-Kona, HawaiiSun, May 21, 6:52 PM HST · 19858 days ago · 35 km deep · 100 km away

The first 60 of at least 200.

Before

1. 2.025 km W of Volcano, HawaiiSun, Apr 30, 1:46 AM HST · 19879 days ago · 1 km deep · 13 km away
2. 2.934 km ESE of Naalehu, HawaiiSat, Apr 29, 7:39 PM HST · 19879 days ago · 12 km deep · 54 km away
3. 2.49 km S of P?hala, HawaiiSat, Apr 29, 7:09 PM HST · 19880 days ago · 38 km deep · 31 km away
4. 2.020 km W of Volcano, HawaiiSat, Apr 29, 4:29 PM HST · 19880 days ago · 8 km deep · 4 km away
5. 2.615 km SSE of Eden Roc, HawaiiSat, Apr 29, 8:27 AM HST · 19880 days ago · 8 km deep · 39 km away
6. 2.611 km SW of Honoka‘a, HawaiiSat, Apr 29, 6:23 AM HST · 19880 days ago · 37 km deep · 71 km away
7. 2.012 km S of Volcano, HawaiiFri, Apr 28, 2:10 PM HST · 19881 days ago · 7 km deep · 19 km away
8. 2.519 km WSW of Volcano, HawaiiThu, Apr 27, 6:59 PM HST · 19882 days ago · 6 km deep · 2 km away
9. 2.113 km S of Volcano, HawaiiThu, Apr 27, 11:03 AM HST · 19882 days ago · 8 km deep · 19 km away
10. 2.418 km S of Volcano, HawaiiThu, Apr 27, 8:04 AM HST · 19882 days ago · 11 km deep · 23 km away
11. 1.914 km S of Volcano, HawaiiThu, Apr 27, 7:38 AM HST · 19882 days ago · 7 km deep · 17 km away
12. 2.020 km W of Volcano, HawaiiWed, Apr 26, 9:34 AM HST · 19883 days ago · 12 km deep · 5 km away
13. 2.939 km ESE of Naalehu, HawaiiWed, Apr 26, 7:10 AM HST · 19883 days ago · 8 km deep · 55 km away
14. 2.534 km ESE of Naalehu, HawaiiWed, Apr 26, 7:03 AM HST · 19883 days ago · 15 km deep · 54 km away
15. 2.429 km ESE of Naalehu, HawaiiWed, Apr 26, 6:48 AM HST · 19883 days ago · 19 km deep · 50 km away
16. 2.526 km ESE of Naalehu, HawaiiWed, Apr 26, 6:45 AM HST · 19883 days ago · 9 km deep · 47 km away
17. 2.835 km ESE of Naalehu, HawaiiWed, Apr 26, 6:35 AM HST · 19883 days ago · 16 km deep · 55 km away
18. 2.835 km ESE of Naalehu, HawaiiWed, Apr 26, 6:29 AM HST · 19883 days ago · 14 km deep · 56 km away
19. 2.429 km ESE of Naalehu, HawaiiWed, Apr 26, 6:25 AM HST · 19883 days ago · 19 km deep · 50 km away
20. 2.531 km ESE of Naalehu, HawaiiWed, Apr 26, 5:46 AM HST · 19883 days ago · 17 km deep · 53 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19721364. Read Sat, Oct 3, 2026, 4:38 PM UTC.