M2.1 earthquake 5 km WSW of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sun, Mar 23, 1975, 3:14 AM HST

UTC

1975-03-23 13:14:50 UTC

Depth

10.1 km (6.3 mi), shallow

Epicenter

19.416° N, 155.278° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 2.4 km in depth

Depth from

From location

Station coverage gap

129°

Stations used

12

• Volcano, HawaiiPopulation 2,575. Forecast6 kmWSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast38 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast341 kmSE

After

1. 2.15 km SW of Volcano, HawaiiSun, Mar 23, 4:05 AM HST · 18824 days ago · 9 km deep · 0 km away
2. 1.520 km E of Honaunau-Napoopoo, HawaiiSun, Mar 23, 4:07 AM HST · 18824 days ago · -2 km deep · 41 km away
3. 1.86 km SW of Volcano, HawaiiSun, Mar 23, 4:57 AM HST · 18824 days ago · 8 km deep · 1 km away
4. 2.25 km WSW of Volcano, HawaiiSun, Mar 23, 6:25 AM HST · 18824 days ago · 8 km deep · 0 km away
5. 1.86 km SW of Volcano, HawaiiSun, Mar 23, 6:45 AM HST · 18824 days ago · 8 km deep · 2 km away
6. 2.17 km SSW of Volcano, HawaiiSun, Mar 23, 7:21 AM HST · 18824 days ago · 7 km deep · 3 km away
7. 1.516 km NE of P?hala, HawaiiSun, Mar 23, 9:46 AM HST · 18824 days ago · 6 km deep · 16 km away
8. 2.15 km SW of Volcano, HawaiiSun, Mar 23, 12:53 PM HST · 18823 days ago · 4 km deep · 1 km away
9. 2.014 km S of Volcano, HawaiiSun, Mar 23, 3:27 PM HST · 18823 days ago · 7 km deep · 13 km away
10. 1.914 km S of Volcano, HawaiiSun, Mar 23, 4:18 PM HST · 18823 days ago · 7 km deep · 12 km away
11. 2.517 km ESE of Naalehu, HawaiiSun, Mar 23, 4:47 PM HST · 18823 days ago · 35 km deep · 51 km away
12. 2.817 km ESE of Naalehu, HawaiiSun, Mar 23, 5:33 PM HST · 18823 days ago · 35 km deep · 50 km away
13. 1.914 km SSW of Volcano, HawaiiSun, Mar 23, 6:40 PM HST · 18823 days ago · 6 km deep · 11 km away
14. 2.013 km SSE of Volcano, HawaiiSun, Mar 23, 10:48 PM HST · 18823 days ago · 8 km deep · 13 km away
15. 1.6Island of Hawaii, HawaiiMon, Mar 24, 1:17 AM HST · 18823 days ago · 6 km deep · 11 km away
16. 2.628 km E of Honaunau-Napoopoo, HawaiiMon, Mar 24, 6:02 AM HST · 18823 days ago · -1 km deep · 33 km away
17. 2.26 km SW of Volcano, HawaiiMon, Mar 24, 6:41 AM HST · 18823 days ago · 7 km deep · 2 km away
18. 2.37 km SSW of Volcano, HawaiiMon, Mar 24, 8:01 AM HST · 18823 days ago · 8 km deep · 3 km away
19. 1.613 km S of Volcano, HawaiiMon, Mar 24, 9:14 AM HST · 18823 days ago · 7 km deep · 10 km away
20. 1.521 km W of Volcano, HawaiiMon, Mar 24, 2:36 PM HST · 18822 days ago · 11 km deep · 17 km away
21. 2.221 km E of Honaunau-Napoopoo, HawaiiMon, Mar 24, 8:35 PM HST · 18822 days ago · 1 km deep · 41 km away
22. 1.814 km S of Volcano, HawaiiMon, Mar 24, 9:14 PM HST · 18822 days ago · 7 km deep · 13 km away
23. 1.924 km S of Fern Forest, HawaiiMon, Mar 24, 9:51 PM HST · 18822 days ago · 44 km deep · 26 km away
24. 1.914 km S of Volcano, HawaiiTue, Mar 25, 2:52 AM HST · 18822 days ago · 4 km deep · 13 km away
25. 2.13 km ESE of P?hala, HawaiiTue, Mar 25, 7:16 AM HST · 18822 days ago · 40 km deep · 30 km away
26. 2.228 km E of Honaunau-Napoopoo, HawaiiTue, Mar 25, 7:23 AM HST · 18822 days ago · -2 km deep · 33 km away
27. 1.513 km S of Volcano, HawaiiTue, Mar 25, 11:45 AM HST · 18822 days ago · 4 km deep · 12 km away
28. 2.523 km ENE of H?lualoa, HawaiiTue, Mar 25, 5:03 PM HST · 18821 days ago · 4 km deep · 60 km away
29. 1.85 km SW of Volcano, HawaiiTue, Mar 25, 5:09 PM HST · 18821 days ago · 5 km deep · 1 km away
30. 2.314 km S of Volcano, HawaiiTue, Mar 25, 5:53 PM HST · 18821 days ago · 8 km deep · 12 km away
31. 2.26 km SSW of Volcano, HawaiiTue, Mar 25, 9:27 PM HST · 18821 days ago · 7 km deep · 3 km away
32. 2.46 km SW of Volcano, HawaiiTue, Mar 25, 10:56 PM HST · 18821 days ago · 5 km deep · 1 km away
33. 2.59 km WSW of Volcano, HawaiiTue, Mar 25, 10:57 PM HST · 18821 days ago · 20 km deep · 4 km away
34. 2.613 km SSE of Volcano, HawaiiWed, Mar 26, 2:50 AM HST · 18821 days ago · 8 km deep · 14 km away
35. 2.925 km NNW of P?hala, HawaiiWed, Mar 26, 3:50 AM HST · 18821 days ago · -1 km deep · 33 km away
36. 2.528 km E of Honaunau-Napoopoo, HawaiiWed, Mar 26, 7:11 AM HST · 18821 days ago · -1 km deep · 34 km away
37. 4.328 km NNW of P?hala, HawaiiWed, Mar 26, 10:06 AM HST · 18821 days ago · -3 km deep · 32 km away
38. 3.429 km E of Honaunau-Napoopoo, HawaiiWed, Mar 26, 10:13 AM HST · 18821 days ago · -2 km deep · 33 km away
39. 1.513 km SE of Fern Forest, HawaiiThu, Mar 27, 1:17 AM HST · 18820 days ago · 2 km deep · 25 km away
40. 2.826 km NNW of P?hala, HawaiiThu, Mar 27, 5:42 AM HST · 18820 days ago · -2 km deep · 34 km away
41. 2.011 km NE of P?hala, HawaiiThu, Mar 27, 5:58 AM HST · 18820 days ago · 6 km deep · 20 km away
42. 2.013 km S of Fern Forest, HawaiiThu, Mar 27, 4:45 PM HST · 18819 days ago · 8 km deep · 18 km away
43. 1.722 km SSE of Fern Forest, HawaiiThu, Mar 27, 7:19 PM HST · 18819 days ago · 49 km deep · 28 km away
44. 2.119 km SE of Leilani Estates, HawaiiFri, Mar 28, 4:33 PM HST · 18818 days ago · 49 km deep · 52 km away
45. 3.224 km NNW of P?hala, HawaiiFri, Mar 28, 4:48 PM HST · 18818 days ago · 2 km deep · 34 km away
46. 1.714 km NE of P?hala, HawaiiFri, Mar 28, 6:15 PM HST · 18818 days ago · 5 km deep · 18 km away
47. 2.313 km SSE of Volcano, HawaiiFri, Mar 28, 9:14 PM HST · 18818 days ago · 8 km deep · 14 km away
48. 2.04 km ESE of P?hala, HawaiiSat, Mar 29, 2:18 AM HST · 18818 days ago · 39 km deep · 30 km away
49. 1.916 km SW of Volcano, HawaiiSat, Mar 29, 2:43 PM HST · 18817 days ago · 4 km deep · 12 km away
50. 2.114 km NE of P?hala, HawaiiSat, Mar 29, 2:48 PM HST · 18817 days ago · 4 km deep · 18 km away
51. 2.419 km W of Volcano, HawaiiSun, Mar 30, 3:20 AM HST · 18817 days ago · 9 km deep · 15 km away
52. 2.113 km SSE of Volcano, HawaiiSun, Mar 30, 3:27 AM HST · 18817 days ago · 8 km deep · 14 km away
53. 2.012 km SSE of Volcano, HawaiiSun, Mar 30, 9:06 PM HST · 18816 days ago · 8 km deep · 13 km away
54. 2.115 km NE of P?hala, HawaiiMon, Mar 31, 1:09 AM HST · 18816 days ago · 6 km deep · 17 km away
55. 2.123 km N of P?hala, HawaiiMon, Mar 31, 2:27 PM HST · 18815 days ago · 5 km deep · 23 km away
56. 2.021 km N of P?hala, HawaiiMon, Mar 31, 4:39 PM HST · 18815 days ago · 5 km deep · 19 km away
57. 2.16 km SW of Volcano, HawaiiMon, Mar 31, 11:22 PM HST · 18815 days ago · 15 km deep · 2 km away
58. 2.828 km E of Honaunau-Napoopoo, HawaiiMon, Mar 31, 11:36 PM HST · 18815 days ago · -1 km deep · 33 km away
59. 2.614 km S of Volcano, HawaiiTue, Apr 1, 12:16 AM HST · 18815 days ago · 9 km deep · 13 km away
60. 2.015 km S of Volcano, HawaiiTue, Apr 1, 12:49 AM HST · 18815 days ago · 6 km deep · 14 km away

The first 60 of at least 200.

Before

1. 3.014 km S of Fern Forest, HawaiiSun, Mar 23, 1:55 AM HST · 18824 days ago · 9 km deep · 20 km away
2. 2.15 km SW of Volcano, HawaiiSun, Mar 23, 12:03 AM HST · 18824 days ago · 10 km deep · 1 km away
3. 1.94 km WSW of Volcano, HawaiiSat, Mar 22, 11:22 PM HST · 18824 days ago · 9 km deep · 1 km away
4. 2.15 km SW of Volcano, HawaiiSat, Mar 22, 10:34 PM HST · 18824 days ago · 9 km deep · 1 km away
5. 2.05 km WSW of Volcano, HawaiiSat, Mar 22, 9:35 PM HST · 18824 days ago · 7 km deep · 0 km away
6. 1.94 km WSW of Volcano, HawaiiSat, Mar 22, 8:26 PM HST · 18824 days ago · 10 km deep · 1 km away
7. 2.414 km NE of P?hala, HawaiiSat, Mar 22, 7:48 PM HST · 18824 days ago · 6 km deep · 17 km away
8. 2.85 km S of Volcano, HawaiiSat, Mar 22, 5:52 PM HST · 18824 days ago · 23 km deep · 6 km away
9. 1.95 km SW of Volcano, HawaiiSat, Mar 22, 4:26 PM HST · 18824 days ago · 9 km deep · 2 km away
10. 2.626 km NNW of P?hala, HawaiiSat, Mar 22, 1:47 PM HST · 18824 days ago · -3 km deep · 33 km away
11. 2.04 km WSW of Volcano, HawaiiSat, Mar 22, 12:41 PM HST · 18824 days ago · 12 km deep · 1 km away
12. 2.015 km NE of P?hala, HawaiiSat, Mar 22, 12:08 PM HST · 18824 days ago · 5 km deep · 16 km away
13. 2.915 km NE of P?hala, HawaiiSat, Mar 22, 11:54 AM HST · 18825 days ago · 7 km deep · 17 km away
14. 2.05 km WSW of Volcano, HawaiiSat, Mar 22, 9:39 AM HST · 18825 days ago · 12 km deep · 0 km away
15. 1.74 km SSW of Volcano, HawaiiSat, Mar 22, 6:36 AM HST · 18825 days ago · 9 km deep · 2 km away
16. 2.610 km SW of Volcano, HawaiiSat, Mar 22, 5:36 AM HST · 18825 days ago · 32 km deep · 6 km away
17. 1.66 km SW of Volcano, HawaiiSat, Mar 22, 3:08 AM HST · 18825 days ago · 5 km deep · 2 km away
18. 1.85 km SW of Volcano, HawaiiSat, Mar 22, 2:58 AM HST · 18825 days ago · 10 km deep · 1 km away
19. 1.54 km SW of Volcano, HawaiiSat, Mar 22, 2:57 AM HST · 18825 days ago · 9 km deep · 1 km away
20. 2.14 km SW of Volcano, HawaiiSat, Mar 22, 2:56 AM HST · 18825 days ago · 11 km deep · 1 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19752201. Read Mon, Oct 5, 2026, 9:26 AM UTC.