M1.5 earthquake 15 km S of Volcano, Hawaii

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sat, Mar 21, 1981, 3:20 PM HST

UTC

1981-03-22 01:20:13 UTC

Depth

7.2 km (4.5 mi), shallow

Epicenter

19.307° N, 155.223° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.23

Depth from

From location

Station coverage gap

80°

Stations used

34

• Volcano, HawaiiPopulation 2,575. Forecast15 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast41 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast353 kmSE

After

1. 2.612 km S of Fern Forest, HawaiiSat, Mar 21, 4:00 PM HST · 16630 days ago · 9 km deep · 11 km away
2. 1.616 km S of Volcano, HawaiiSat, Mar 21, 5:50 PM HST · 16630 days ago · 5 km deep · 2 km away
3. 2.112 km SSE of Volcano, HawaiiSat, Mar 21, 6:33 PM HST · 16630 days ago · 8 km deep · 5 km away
4. 2.114 km S of Volcano, HawaiiSat, Mar 21, 6:39 PM HST · 16630 days ago · 5 km deep · 1 km away
5. 2.611 km ENE of P?hala, HawaiiSat, Mar 21, 11:33 PM HST · 16630 days ago · 9 km deep · 18 km away
6. 2.914 km SSE of Fern Forest, HawaiiSun, Mar 22, 1:16 AM HST · 16630 days ago · 8 km deep · 13 km away
7. 1.614 km SSE of Volcano, HawaiiSun, Mar 22, 3:15 AM HST · 16629 days ago · 8 km deep · 3 km away
8. 2.011 km SW of Volcano, HawaiiSun, Mar 22, 3:30 AM HST · 16629 days ago · 2 km deep · 10 km away
9. 1.89 km SSW of Volcano, HawaiiSun, Mar 22, 3:59 AM HST · 16629 days ago · 2 km deep · 9 km away
10. 2.111 km SW of Volcano, HawaiiSun, Mar 22, 4:43 AM HST · 16629 days ago · 1 km deep · 10 km away
11. 2.111 km SW of Volcano, HawaiiSun, Mar 22, 7:10 AM HST · 16629 days ago · 1 km deep · 10 km away
12. 2.014 km NE of P?hala, HawaiiSun, Mar 22, 8:14 AM HST · 16629 days ago · 4 km deep · 17 km away
13. 1.811 km SW of Volcano, HawaiiSun, Mar 22, 8:51 AM HST · 16629 days ago · 2 km deep · 10 km away
14. 1.615 km S of Volcano, HawaiiSun, Mar 22, 9:10 AM HST · 16629 days ago · 7 km deep · 1 km away
15. 2.413 km SW of Volcano, HawaiiSun, Mar 22, 2:41 PM HST · 16629 days ago · 2 km deep · 11 km away
16. 2.010 km W of Volcano, HawaiiSun, Mar 22, 3:45 PM HST · 16629 days ago · 14 km deep · 19 km away
17. 2.012 km NE of P?hala, HawaiiSun, Mar 22, 7:25 PM HST · 16629 days ago · 2 km deep · 18 km away
18. 1.711 km SSW of Volcano, HawaiiSun, Mar 22, 11:35 PM HST · 16629 days ago · 3 km deep · 9 km away
19. 2.313 km NE of P?hala, HawaiiMon, Mar 23, 12:42 AM HST · 16629 days ago · 5 km deep · 18 km away
20. 2.012 km NE of P?hala, HawaiiMon, Mar 23, 3:33 AM HST · 16628 days ago · 2 km deep · 18 km away
21. 2.311 km SW of Volcano, HawaiiMon, Mar 23, 4:43 AM HST · 16628 days ago · 2 km deep · 10 km away
22. 1.615 km S of Volcano, HawaiiMon, Mar 23, 7:29 AM HST · 16628 days ago · 6 km deep · 1 km away
23. 2.310 km SSW of Leilani Estates, HawaiiMon, Mar 23, 7:41 AM HST · 16628 days ago · 6 km deep · 29 km away
24. 1.918 km W of Volcano, HawaiiMon, Mar 23, 10:45 AM HST · 16628 days ago · 3 km deep · 23 km away
25. 2.019 km WSW of Volcano, HawaiiMon, Mar 23, 3:49 PM HST · 16628 days ago · 10 km deep · 23 km away
26. 2.514 km NE of P?hala, HawaiiMon, Mar 23, 5:35 PM HST · 16628 days ago · 5 km deep · 17 km away
27. 2.914 km NE of P?hala, HawaiiMon, Mar 23, 6:53 PM HST · 16628 days ago · 6 km deep · 17 km away
28. 1.615 km NE of P?hala, HawaiiMon, Mar 23, 7:08 PM HST · 16628 days ago · 3 km deep · 17 km away
29. 1.615 km NE of P?hala, HawaiiMon, Mar 23, 8:47 PM HST · 16628 days ago · 3 km deep · 17 km away
30. 1.615 km S of Fern Forest, HawaiiMon, Mar 23, 10:23 PM HST · 16628 days ago · 8 km deep · 10 km away
31. 1.612 km SSE of Volcano, HawaiiMon, Mar 23, 10:26 PM HST · 16628 days ago · 9 km deep · 4 km away
32. 2.313 km NE of P?hala, HawaiiTue, Mar 24, 5:01 AM HST · 16627 days ago · 4 km deep · 17 km away
33. 2.3Island of Hawaii, HawaiiTue, Mar 24, 6:00 AM HST · 16627 days ago · 4 km deep · 7 km away
34. 2.021 km S of Volcano, HawaiiTue, Mar 24, 7:32 AM HST · 16627 days ago · 2 km deep · 8 km away
35. 2.124 km N of P?hala, HawaiiTue, Mar 24, 7:53 AM HST · 16627 days ago · 7 km deep · 30 km away
36. 2.518 km NE of P?hala, HawaiiTue, Mar 24, 9:47 AM HST · 16627 days ago · 7 km deep · 13 km away
37. 1.816 km SW of Volcano, HawaiiTue, Mar 24, 11:24 AM HST · 16627 days ago · 2 km deep · 13 km away
38. 1.911 km S of Volcano, HawaiiTue, Mar 24, 11:28 AM HST · 16627 days ago · 7 km deep · 4 km away
39. 1.814 km SW of Volcano, HawaiiTue, Mar 24, 1:36 PM HST · 16627 days ago · 2 km deep · 10 km away
40. 2.626 km SSE of Fern Forest, HawaiiTue, Mar 24, 7:16 PM HST · 16627 days ago · 44 km deep · 21 km away
41. 1.613 km SSE of Volcano, HawaiiTue, Mar 24, 7:37 PM HST · 16627 days ago · 8 km deep · 5 km away
42. 2.317 km NE of P?hala, HawaiiTue, Mar 24, 9:26 PM HST · 16627 days ago · 3 km deep · 15 km away
43. 1.915 km NE of P?hala, HawaiiTue, Mar 24, 9:42 PM HST · 16627 days ago · 3 km deep · 16 km away
44. 1.918 km NE of P?hala, HawaiiWed, Mar 25, 12:52 AM HST · 16627 days ago · 2 km deep · 14 km away
45. 2.525 km E of Honaunau-Napoopoo, HawaiiWed, Mar 25, 12:53 AM HST · 16627 days ago · -2 km deep · 44 km away
46. 1.72 km N of Honalo, HawaiiWed, Mar 25, 1:39 AM HST · 16626 days ago · 1 km deep · 80 km away
47. 2.816 km NE of P?hala, HawaiiWed, Mar 25, 5:16 AM HST · 16626 days ago · 2 km deep · 14 km away
48. 3.433 km SSW of Pa‘auilo, HawaiiWed, Mar 25, 6:25 AM HST · 16626 days ago · 22 km deep · 55 km away
49. 2.413 km NE of P?hala, HawaiiWed, Mar 25, 9:17 AM HST · 16626 days ago · 4 km deep · 18 km away
50. 3.015 km SSE of Volcano, HawaiiWed, Mar 25, 2:14 PM HST · 16626 days ago · 8 km deep · 4 km away
51. 2.014 km S of Volcano, HawaiiWed, Mar 25, 4:01 PM HST · 16626 days ago · 7 km deep · 1 km away
52. 1.918 km SW of Volcano, HawaiiWed, Mar 25, 6:04 PM HST · 16626 days ago · 7 km deep · 13 km away
53. 1.911 km S of Volcano, HawaiiThu, Mar 26, 1:19 AM HST · 16626 days ago · 7 km deep · 4 km away
54. 3.214 km SSE of Fern Forest, HawaiiThu, Mar 26, 1:55 AM HST · 16625 days ago · 9 km deep · 16 km away
55. 1.614 km SSE of Volcano, HawaiiThu, Mar 26, 10:50 AM HST · 16625 days ago · 7 km deep · 7 km away
56. 1.815 km SW of Volcano, HawaiiThu, Mar 26, 1:49 PM HST · 16625 days ago · 1 km deep · 13 km away
57. 2.016 km NNE of P?hala, HawaiiThu, Mar 26, 2:14 PM HST · 16625 days ago · 9 km deep · 21 km away
58. 1.511 km WNW of P?hala, HawaiiThu, Mar 26, 7:50 PM HST · 16625 days ago · 7 km deep · 38 km away
59. 2.014 km NE of P?hala, HawaiiThu, Mar 26, 10:38 PM HST · 16625 days ago · 3 km deep · 17 km away
60. 2.317 km N of P?hala, HawaiiFri, Mar 27, 3:19 AM HST · 16624 days ago · 8 km deep · 26 km away

The first 60 of at least 201.

Before

1. 1.914 km SSE of Volcano, HawaiiSat, Mar 21, 12:58 PM HST · 16630 days ago · 8 km deep · 3 km away
2. 2.113 km S of Volcano, HawaiiSat, Mar 21, 9:40 AM HST · 16630 days ago · 8 km deep · 2 km away
3. 2.116 km S of Volcano, HawaiiSat, Mar 21, 9:39 AM HST · 16630 days ago · 6 km deep · 2 km away
4. 2.225 km E of Honaunau-Napoopoo, HawaiiSat, Mar 21, 9:24 AM HST · 16630 days ago · -1 km deep · 44 km away
5. 2.112 km SSE of Volcano, HawaiiSat, Mar 21, 9:11 AM HST · 16630 days ago · 7 km deep · 5 km away
6. 2.115 km SE of Fern Forest, HawaiiSat, Mar 21, 8:39 AM HST · 16630 days ago · 8 km deep · 21 km away
7. 2.217 km S of Volcano, HawaiiSat, Mar 21, 7:18 AM HST · 16630 days ago · 8 km deep · 2 km away
8. 2.03 km SSW of P?hala, HawaiiSat, Mar 21, 6:47 AM HST · 16630 days ago · 33 km deep · 31 km away
9. 2.412 km SSE of Volcano, HawaiiSat, Mar 21, 6:35 AM HST · 16630 days ago · 7 km deep · 4 km away
10. 2.512 km SSE of Volcano, HawaiiSat, Mar 21, 6:26 AM HST · 16630 days ago · 8 km deep · 3 km away
11. 2.013 km S of Volcano, HawaiiSat, Mar 21, 4:16 AM HST · 16630 days ago · 7 km deep · 2 km away
12. 2.019 km E of Naalehu, HawaiiFri, Mar 20, 10:11 PM HST · 16631 days ago · 36 km deep · 35 km away
13. 2.243 km SE of P?hala, HawaiiFri, Mar 20, 6:31 PM HST · 16631 days ago · 47 km deep · 41 km away
14. 3.05 km SW of Volcano, HawaiiFri, Mar 20, 1:32 PM HST · 16631 days ago · 15 km deep · 12 km away
15. 2.012 km NE of P?hala, HawaiiFri, Mar 20, 12:35 PM HST · 16631 days ago · 4 km deep · 17 km away
16. 2.014 km S of Volcano, HawaiiFri, Mar 20, 12:20 PM HST · 16631 days ago · 7 km deep · 2 km away
17. 2.314 km NE of P?hala, HawaiiFri, Mar 20, 5:28 AM HST · 16631 days ago · 5 km deep · 17 km away
18. 1.915 km E of P?hala, HawaiiFri, Mar 20, 5:05 AM HST · 16631 days ago · 45 km deep · 14 km away
19. 2.37 km NNE of Laup?hoehoe, HawaiiFri, Mar 20, 4:04 AM HST · 16631 days ago · 43 km deep · 82 km away
20. 1.910 km SSE of Volcano, HawaiiFri, Mar 20, 3:58 AM HST · 16631 days ago · 8 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19811230. Read Thu, Oct 1, 2026, 11:05 PM UTC.