M2.1 earthquake 11 km SW of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Wed, Mar 18, 1981, 12:36 AM HST

UTC

1981-03-18 10:36:36 UTC

Depth

1.6 km (1.0 mi), shallow

Epicenter

19.358° N, 155.300° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.6 km in depth

Depth from

From location

Station coverage gap

53°

Stations used

20

• Volcano, HawaiiPopulation 2,575. Forecast12 kmSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast43 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast344 kmSE

After

1. 2.311 km W of Volcano, HawaiiWed, Mar 18, 4:34 AM HST · 16633 days ago · 4 km deep · 12 km away
2. 2.720 km SSE of Waimea, HawaiiWed, Mar 18, 5:00 AM HST · 16633 days ago · 10 km deep · 63 km away
3. 2.014 km NE of P?hala, HawaiiWed, Mar 18, 8:40 AM HST · 16633 days ago · 3 km deep · 11 km away
4. 2.512 km SSW of Volcano, HawaiiWed, Mar 18, 8:58 AM HST · 16633 days ago · 35 km deep · 3 km away
5. 2.217 km NE of P?hala, HawaiiWed, Mar 18, 9:30 AM HST · 16633 days ago · 3 km deep · 8 km away
6. 2.314 km NE of P?hala, HawaiiWed, Mar 18, 11:03 AM HST · 16633 days ago · 3 km deep · 11 km away
7. 2.413 km SSE of Volcano, HawaiiWed, Mar 18, 12:38 PM HST · 16633 days ago · 7 km deep · 13 km away
8. 1.917 km NE of P?hala, HawaiiWed, Mar 18, 3:39 PM HST · 16633 days ago · 2 km deep · 8 km away
9. 2.214 km S of Volcano, HawaiiWed, Mar 18, 3:44 PM HST · 16633 days ago · 6 km deep · 9 km away
10. 2.211 km NE of P?hala, HawaiiWed, Mar 18, 5:22 PM HST · 16633 days ago · 4 km deep · 14 km away
11. 2.311 km NE of P?hala, HawaiiWed, Mar 18, 5:42 PM HST · 16633 days ago · 6 km deep · 14 km away
12. 1.914 km S of Fern Forest, HawaiiThu, Mar 19, 12:17 AM HST · 16633 days ago · 7 km deep · 17 km away
13. 2.212 km SW of Volcano, HawaiiThu, Mar 19, 12:20 AM HST · 16633 days ago · 30 km deep · 1 km away
14. 2.214 km S of Fern Forest, HawaiiThu, Mar 19, 12:33 AM HST · 16633 days ago · 7 km deep · 16 km away
15. 2.113 km SSE of Volcano, HawaiiThu, Mar 19, 1:21 AM HST · 16633 days ago · 7 km deep · 12 km away
16. 2.512 km NE of P?hala, HawaiiThu, Mar 19, 4:32 AM HST · 16632 days ago · 5 km deep · 13 km away
17. 2.012 km NE of P?hala, HawaiiThu, Mar 19, 4:45 AM HST · 16632 days ago · 2 km deep · 13 km away
18. 2.011 km NE of P?hala, HawaiiThu, Mar 19, 4:58 AM HST · 16632 days ago · 6 km deep · 14 km away
19. 2.015 km NE of P?hala, HawaiiThu, Mar 19, 6:22 AM HST · 16632 days ago · 3 km deep · 10 km away
20. 2.820 km W of Volcano, HawaiiThu, Mar 19, 7:11 AM HST · 16632 days ago · 4 km deep · 14 km away
21. 2.422 km SSE of Honaunau-Napoopoo, HawaiiThu, Mar 19, 8:10 AM HST · 16632 days ago · 8 km deep · 48 km away
22. 2.115 km S of Fern Forest, HawaiiThu, Mar 19, 8:51 AM HST · 16632 days ago · 7 km deep · 19 km away
23. 2.13 km E of H?lualoa, HawaiiThu, Mar 19, 9:09 AM HST · 16632 days ago · -1 km deep · 71 km away
24. 1.75 km NNW of Kailua-Kona, HawaiiThu, Mar 19, 9:12 AM HST · 16632 days ago · 8 km deep · 84 km away
25. 1.515 km SSE of Volcano, HawaiiThu, Mar 19, 9:13 AM HST · 16632 days ago · 4 km deep · 13 km away
26. 2.014 km NE of P?hala, HawaiiThu, Mar 19, 10:44 AM HST · 16632 days ago · 3 km deep · 11 km away
27. 2.417 km NE of P?hala, HawaiiThu, Mar 19, 11:20 AM HST · 16632 days ago · 3 km deep · 8 km away
28. 1.715 km S of Fern Forest, HawaiiThu, Mar 19, 12:22 PM HST · 16632 days ago · 7 km deep · 19 km away
29. 1.513 km NE of P?hala, HawaiiThu, Mar 19, 12:57 PM HST · 16632 days ago · 7 km deep · 12 km away
30. 2.111 km NNW of P?hala, HawaiiThu, Mar 19, 2:51 PM HST · 16632 days ago · 7 km deep · 23 km away
31. 2.610 km S of Volcano, HawaiiThu, Mar 19, 3:06 PM HST · 16632 days ago · 8 km deep · 9 km away
32. 1.937 km SW of Captain Cook, HawaiiThu, Mar 19, 5:05 PM HST · 16632 days ago · 26 km deep · 92 km away
33. 2.614 km NE of P?hala, HawaiiThu, Mar 19, 7:47 PM HST · 16632 days ago · 5 km deep · 12 km away
34. 2.113 km SE of Fern Forest, HawaiiThu, Mar 19, 8:10 PM HST · 16632 days ago · 9 km deep · 26 km away
35. 2.022 km SE of Waimea, HawaiiThu, Mar 19, 8:57 PM HST · 16632 days ago · 14 km deep · 61 km away
36. 1.612 km NE of P?hala, HawaiiThu, Mar 19, 9:14 PM HST · 16632 days ago · 2 km deep · 13 km away
37. 2.412 km SSE of Volcano, HawaiiThu, Mar 19, 9:19 PM HST · 16632 days ago · 9 km deep · 13 km away
38. 2.012 km NE of P?hala, HawaiiThu, Mar 19, 9:26 PM HST · 16632 days ago · 3 km deep · 13 km away
39. 2.012 km SSE of Volcano, HawaiiThu, Mar 19, 9:36 PM HST · 16632 days ago · 7 km deep · 13 km away
40. 1.712 km S of Volcano, HawaiiThu, Mar 19, 11:08 PM HST · 16632 days ago · 8 km deep · 10 km away
41. 2.314 km NE of P?hala, HawaiiFri, Mar 20, 1:18 AM HST · 16632 days ago · 4 km deep · 11 km away
42. 1.910 km SSE of Volcano, HawaiiFri, Mar 20, 3:58 AM HST · 16631 days ago · 8 km deep · 9 km away
43. 2.37 km NNE of Laup?hoehoe, HawaiiFri, Mar 20, 4:04 AM HST · 16631 days ago · 43 km deep · 77 km away
44. 1.915 km E of P?hala, HawaiiFri, Mar 20, 5:05 AM HST · 16631 days ago · 45 km deep · 15 km away
45. 2.314 km NE of P?hala, HawaiiFri, Mar 20, 5:28 AM HST · 16631 days ago · 5 km deep · 11 km away
46. 2.014 km S of Volcano, HawaiiFri, Mar 20, 12:20 PM HST · 16631 days ago · 7 km deep · 11 km away
47. 2.012 km NE of P?hala, HawaiiFri, Mar 20, 12:35 PM HST · 16631 days ago · 4 km deep · 13 km away
48. 3.05 km SW of Volcano, HawaiiFri, Mar 20, 1:32 PM HST · 16631 days ago · 15 km deep · 6 km away
49. 2.243 km SE of P?hala, HawaiiFri, Mar 20, 6:31 PM HST · 16631 days ago · 47 km deep · 48 km away
50. 2.019 km E of Naalehu, HawaiiFri, Mar 20, 10:11 PM HST · 16631 days ago · 36 km deep · 37 km away
51. 2.013 km S of Volcano, HawaiiSat, Mar 21, 4:16 AM HST · 16630 days ago · 7 km deep · 11 km away
52. 2.512 km SSE of Volcano, HawaiiSat, Mar 21, 6:26 AM HST · 16630 days ago · 8 km deep · 10 km away
53. 2.412 km SSE of Volcano, HawaiiSat, Mar 21, 6:35 AM HST · 16630 days ago · 7 km deep · 11 km away
54. 2.03 km SSW of P?hala, HawaiiSat, Mar 21, 6:47 AM HST · 16630 days ago · 33 km deep · 28 km away
55. 2.217 km S of Volcano, HawaiiSat, Mar 21, 7:18 AM HST · 16630 days ago · 8 km deep · 12 km away
56. 2.115 km SE of Fern Forest, HawaiiSat, Mar 21, 8:39 AM HST · 16630 days ago · 8 km deep · 28 km away
57. 2.112 km SSE of Volcano, HawaiiSat, Mar 21, 9:11 AM HST · 16630 days ago · 7 km deep · 11 km away
58. 2.225 km E of Honaunau-Napoopoo, HawaiiSat, Mar 21, 9:24 AM HST · 16630 days ago · -1 km deep · 35 km away
59. 2.116 km S of Volcano, HawaiiSat, Mar 21, 9:39 AM HST · 16630 days ago · 6 km deep · 12 km away
60. 2.113 km S of Volcano, HawaiiSat, Mar 21, 9:40 AM HST · 16630 days ago · 8 km deep · 10 km away

The first 60 of at least 201.

Before

1. 2.413 km SSE of Volcano, HawaiiTue, Mar 17, 11:13 PM HST · 16634 days ago · 6 km deep · 12 km away
2. 2.314 km SW of Volcano, HawaiiTue, Mar 17, 10:43 PM HST · 16634 days ago · 3 km deep · 3 km away
3. 2.214 km SW of Volcano, HawaiiTue, Mar 17, 10:41 PM HST · 16634 days ago · 2 km deep · 3 km away
4. 3.06 km NW of Kailua-Kona, HawaiiTue, Mar 17, 7:43 PM HST · 16634 days ago · 7 km deep · 86 km away
5. 2.74 km SSW of Kalaoa, HawaiiTue, Mar 17, 6:27 PM HST · 16634 days ago · 6 km deep · 83 km away
6. 2.614 km S of Fern Forest, HawaiiTue, Mar 17, 6:24 PM HST · 16634 days ago · 8 km deep · 18 km away
7. 2.85 km NNW of Kailua-Kona, HawaiiTue, Mar 17, 5:24 PM HST · 16634 days ago · 8 km deep · 84 km away
8. 2.710 km E of Honaunau-Napoopoo, HawaiiTue, Mar 17, 4:46 PM HST · 16634 days ago · 7 km deep · 50 km away
9. 2.019 km WSW of Volcano, HawaiiTue, Mar 17, 2:37 PM HST · 16634 days ago · 10 km deep · 11 km away
10. 2.312 km NE of P?hala, HawaiiTue, Mar 17, 10:14 AM HST · 16634 days ago · 5 km deep · 13 km away
11. 2.47 km S of Pa‘auilo, HawaiiTue, Mar 17, 6:35 AM HST · 16634 days ago · 10 km deep · 69 km away
12. 1.914 km S of Volcano, HawaiiTue, Mar 17, 4:08 AM HST · 16634 days ago · 7 km deep · 7 km away
13. 2.919 km W of Volcano, HawaiiMon, Mar 16, 10:09 PM HST · 16635 days ago · 8 km deep · 15 km away
14. 2.413 km NE of P?hala, HawaiiMon, Mar 16, 5:34 PM HST · 16635 days ago · 2 km deep · 12 km away
15. 2.916 km SE of Fern Forest, HawaiiMon, Mar 16, 5:03 PM HST · 16635 days ago · 9 km deep · 27 km away
16. 2.013 km NE of P?hala, HawaiiMon, Mar 16, 12:06 PM HST · 16635 days ago · 2 km deep · 12 km away
17. 2.314 km NE of P?hala, HawaiiMon, Mar 16, 6:46 AM HST · 16635 days ago · 4 km deep · 11 km away
18. 1.817 km NE of P?hala, HawaiiMon, Mar 16, 5:58 AM HST · 16635 days ago · 2 km deep · 8 km away
19. 1.715 km NE of P?hala, HawaiiMon, Mar 16, 5:47 AM HST · 16635 days ago · 4 km deep · 10 km away
20. 1.917 km NE of P?hala, HawaiiMon, Mar 16, 5:46 AM HST · 16635 days ago · 2 km deep · 8 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19811154. Read Fri, Oct 2, 2026, 12:31 AM UTC.