M1.8 earthquake 9 km SSE of Volcano, Hawaii

Magnitude

1.8 (ml), micro

Local time

Sat, Oct 21, 1972, 2:13 AM HST

UTC

1972-10-21 12:13:25 UTC

Depth

1.6 km (1.0 mi), shallow

Epicenter

19.360° N, 155.212° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.5 km in depth

Depth from

From location

Station coverage gap

135°

Stations used

13

• Volcano, HawaiiPopulation 2,575. Forecast10 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast36 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast351 kmSE

After

1. 2.05 km SSW of Volcano, HawaiiSat, Oct 21, 12:04 PM HST · 19694 days ago · 2 km deep · 6 km away
2. 1.913 km S of Volcano, HawaiiSat, Oct 21, 9:21 PM HST · 19693 days ago · 5 km deep · 6 km away
3. 1.914 km S of Fern Forest, HawaiiSun, Oct 22, 8:10 AM HST · 19693 days ago · 6 km deep · 9 km away
4. 1.76 km SW of Volcano, HawaiiMon, Oct 23, 12:24 AM HST · 19692 days ago · 7 km deep · 8 km away
5. 2.019 km NNE of P?hala, HawaiiMon, Oct 23, 4:44 PM HST · 19691 days ago · 11 km deep · 22 km away
6. 2.519 km NNE of P?hala, HawaiiMon, Oct 23, 10:03 PM HST · 19691 days ago · 5 km deep · 23 km away
7. 2.220 km WSW of Volcano, HawaiiTue, Oct 24, 1:00 PM HST · 19691 days ago · 6 km deep · 21 km away
8. 2.017 km NNE of P?hala, HawaiiTue, Oct 24, 4:29 PM HST · 19690 days ago · 5 km deep · 23 km away
9. 2.514 km SSE of Volcano, HawaiiWed, Oct 25, 5:33 AM HST · 19690 days ago · 6 km deep · 5 km away
10. 2.018 km N of P?hala, HawaiiWed, Oct 25, 7:28 AM HST · 19690 days ago · 9 km deep · 24 km away
11. 2.38 km NNE of Naalehu, HawaiiThu, Oct 26, 5:49 PM HST · 19688 days ago · 3 km deep · 43 km away
12. 2.06 km SW of Volcano, HawaiiThu, Oct 26, 8:15 PM HST · 19688 days ago · 8 km deep · 9 km away
13. 2.022 km N of P?hala, HawaiiFri, Oct 27, 3:16 AM HST · 19688 days ago · 3 km deep · 29 km away
14. 3.113 km SSE of Fern Forest, HawaiiFri, Oct 27, 4:37 AM HST · 19688 days ago · 9 km deep · 11 km away
15. 2.012 km SSE of Volcano, HawaiiSat, Oct 28, 1:02 AM HST · 19687 days ago · 7 km deep · 4 km away
16. 2.320 km NNE of P?hala, HawaiiSat, Oct 28, 1:35 AM HST · 19687 days ago · 8 km deep · 21 km away
17. 2.0Island of Hawaii, HawaiiSat, Oct 28, 6:05 AM HST · 19687 days ago · 7 km deep · 8 km away
18. 2.020 km W of Volcano, HawaiiSat, Oct 28, 9:27 AM HST · 19687 days ago · 8 km deep · 24 km away
19. 2.518 km S of Honaunau-Napoopoo, HawaiiSun, Oct 29, 5:44 AM HST · 19686 days ago · 4 km deep · 67 km away
20. 2.32 km S of Volcano, HawaiiMon, Oct 30, 3:52 AM HST · 19685 days ago · 29 km deep · 8 km away
21. 2.018 km NNE of P?hala, HawaiiMon, Oct 30, 3:11 PM HST · 19684 days ago · 6 km deep · 22 km away
22. 3.123 km W of Volcano, HawaiiTue, Oct 31, 1:00 AM HST · 19684 days ago · 8 km deep · 28 km away
23. 2.812 km NNW of Wai‘?hinu, HawaiiTue, Oct 31, 8:55 AM HST · 19684 days ago · 7 km deep · 50 km away
24. 2.021 km N of P?hala, HawaiiTue, Oct 31, 3:52 PM HST · 19683 days ago · 6 km deep · 24 km away
25. 2.427 km SSE of Waimea, HawaiiTue, Oct 31, 5:33 PM HST · 19683 days ago · 19 km deep · 61 km away
26. 2.312 km ENE of P?hala, HawaiiTue, Oct 31, 5:49 PM HST · 19683 days ago · 32 km deep · 21 km away
27. 2.015 km S of Volcano, HawaiiTue, Oct 31, 10:02 PM HST · 19683 days ago · 6 km deep · 6 km away
28. 2.015 km S of Fern Forest, HawaiiTue, Oct 31, 11:24 PM HST · 19683 days ago · 6 km deep · 8 km away
29. 2.119 km N of P?hala, HawaiiWed, Nov 1, 4:39 AM HST · 19683 days ago · 3 km deep · 30 km away
30. 1.88 km SW of Volcano, HawaiiWed, Nov 1, 4:54 AM HST · 19683 days ago · 9 km deep · 10 km away
31. 2.811 km SSE of Volcano, HawaiiWed, Nov 1, 12:18 PM HST · 19683 days ago · 7 km deep · 2 km away
32. 2.56 km WSW of P?hala, HawaiiWed, Nov 1, 2:25 PM HST · 19682 days ago · 5 km deep · 39 km away
33. 2.634 km ESE of Naalehu, HawaiiWed, Nov 1, 9:04 PM HST · 19682 days ago · 17 km deep · 50 km away
34. 2.513 km SSE of Fern Forest, HawaiiThu, Nov 2, 4:18 PM HST · 19681 days ago · 3 km deep · 11 km away
35. 2.314 km S of Fern Forest, HawaiiThu, Nov 2, 8:24 PM HST · 19681 days ago · 8 km deep · 7 km away
36. 2.012 km SSE of Volcano, HawaiiThu, Nov 2, 9:13 PM HST · 19681 days ago · 7 km deep · 4 km away
37. 1.917 km WSW of Volcano, HawaiiThu, Nov 2, 10:30 PM HST · 19681 days ago · 7 km deep · 18 km away
38. 2.211 km SSE of Volcano, HawaiiFri, Nov 3, 6:34 AM HST · 19681 days ago · 6 km deep · 2 km away
39. 2.322 km N of P?hala, HawaiiFri, Nov 3, 5:35 PM HST · 19680 days ago · 11 km deep · 25 km away
40. 2.016 km S of Volcano, HawaiiFri, Nov 3, 5:47 PM HST · 19680 days ago · 6 km deep · 7 km away
41. 1.914 km SW of Volcano, HawaiiFri, Nov 3, 11:47 PM HST · 19680 days ago · 2 km deep · 11 km away
42. 2.014 km SSE of Volcano, HawaiiSat, Nov 4, 2:36 PM HST · 19679 days ago · 6 km deep · 5 km away
43. 2.014 km SSE of Volcano, HawaiiSat, Nov 4, 4:58 PM HST · 19679 days ago · 7 km deep · 5 km away
44. 2.110 km SSE of Fern Forest, HawaiiSat, Nov 4, 8:00 PM HST · 19679 days ago · 6 km deep · 13 km away
45. 2.018 km N of P?hala, HawaiiSat, Nov 4, 10:23 PM HST · 19679 days ago · 7 km deep · 27 km away
46. 1.913 km SSE of Volcano, HawaiiMon, Nov 6, 6:44 AM HST · 19678 days ago · 6 km deep · 4 km away
47. 2.116 km N of P?hala, HawaiiMon, Nov 6, 9:56 AM HST · 19678 days ago · 4 km deep · 30 km away
48. 2.212 km SSE of Volcano, HawaiiMon, Nov 6, 7:32 PM HST · 19677 days ago · 5 km deep · 3 km away
49. 2.021 km W of Volcano, HawaiiMon, Nov 6, 9:01 PM HST · 19677 days ago · 5 km deep · 24 km away
50. 2.1Island of Hawaii, HawaiiTue, Nov 7, 9:44 AM HST · 19677 days ago · 6 km deep · 29 km away
51. 2.518 km W of Volcano, HawaiiTue, Nov 7, 11:35 AM HST · 19677 days ago · 6 km deep · 23 km away
52. 2.416 km N of P?hala, HawaiiTue, Nov 7, 1:53 PM HST · 19676 days ago · 7 km deep · 27 km away
53. 2.423 km N of P?hala, HawaiiWed, Nov 8, 1:03 AM HST · 19676 days ago · 5 km deep · 30 km away
54. 2.023 km N of P?hala, HawaiiWed, Nov 8, 1:04 AM HST · 19676 days ago · 2 km deep · 30 km away
55. 2.59 km NNE of Honaunau-Napoopoo, HawaiiWed, Nov 8, 6:41 PM HST · 19675 days ago · 6 km deep · 67 km away
56. 2.69 km NNE of Honaunau-Napoopoo, HawaiiWed, Nov 8, 8:46 PM HST · 19675 days ago · 37 km deep · 67 km away
57. 2.226 km WSW of Pepeekeo, HawaiiWed, Nov 8, 10:17 PM HST · 19675 days ago · 0 km deep · 48 km away
58. 2.67 km SE of Waimea, HawaiiThu, Nov 9, 1:30 AM HST · 19675 days ago · 9 km deep · 80 km away
59. 2.317 km S of Volcano, HawaiiThu, Nov 9, 8:57 AM HST · 19675 days ago · 9 km deep · 9 km away
60. 2.6Island of Hawaii, HawaiiThu, Nov 9, 2:42 PM HST · 19674 days ago · 4 km deep · 81 km away

The first 60 of 187.

Before

1. 2.023 km W of Volcano, HawaiiFri, Oct 20, 10:15 PM HST · 19694 days ago · -2 km deep · 29 km away
2. 2.615 km S of Fern Forest, HawaiiFri, Oct 20, 6:59 PM HST · 19694 days ago · 8 km deep · 9 km away
3. 2.019 km NNE of P?hala, HawaiiFri, Oct 20, 10:00 AM HST · 19695 days ago · 7 km deep · 22 km away
4. 2.4Hawaii region, HawaiiFri, Oct 20, 12:42 AM HST · 19695 days ago · 8 km deep · 74 km away
5. 1.85 km SW of Volcano, HawaiiThu, Oct 19, 11:32 AM HST · 19696 days ago · 0 km deep · 8 km away
6. 1.914 km S of Volcano, HawaiiThu, Oct 19, 10:43 AM HST · 19696 days ago · 3 km deep · 6 km away
7. 2.813 km E of P?hala, HawaiiThu, Oct 19, 6:23 AM HST · 19696 days ago · 46 km deep · 23 km away
8. 2.228 km ENE of Honaunau-Napoopoo, HawaiiThu, Oct 19, 4:14 AM HST · 19696 days ago · 3 km deep · 46 km away
9. 2.72 km W of Honalo, HawaiiWed, Oct 18, 10:56 PM HST · 19696 days ago · 31 km deep · 81 km away
10. 1.65 km SSW of Volcano, HawaiiWed, Oct 18, 10:36 PM HST · 19696 days ago · 1 km deep · 6 km away
11. 2.611 km NNW of Wai‘?hinu, HawaiiWed, Oct 18, 7:59 PM HST · 19696 days ago · -1 km deep · 51 km away
12. 2.68 km SSW of Volcano, HawaiiWed, Oct 18, 3:01 PM HST · 19696 days ago · 31 km deep · 6 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19722668. Read Tue, Sep 22, 2026, 11:20 AM UTC.