M2.1 earthquake 14 km SSW of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Mar 20, 1978, 6:56 PM HST

UTC

1978-03-21 04:56:08 UTC

Depth

6.2 km (3.8 mi), shallow

Epicenter

19.316° N, 155.268° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

99°

Stations used

34

• Volcano, HawaiiPopulation 2,575. Forecast15 kmSSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast44 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast349 kmSE

After

1. 3.418 km NNE of P?hala, HawaiiMon, Mar 20, 7:13 PM HST · 17727 days ago · 10 km deep · 17 km away
2. 2.117 km SSE of Fern Forest, HawaiiMon, Mar 20, 11:10 PM HST · 17726 days ago · 6 km deep · 21 km away
3. 2.116 km S of Fern Forest, HawaiiTue, Mar 21, 3:54 AM HST · 17726 days ago · 6 km deep · 16 km away
4. 1.912 km SSE of Volcano, HawaiiTue, Mar 21, 7:01 AM HST · 17726 days ago · 6 km deep · 7 km away
5. 2.214 km S of Fern Forest, HawaiiTue, Mar 21, 3:02 PM HST · 17726 days ago · 7 km deep · 15 km away
6. 1.811 km SW of Volcano, HawaiiWed, Mar 22, 7:26 AM HST · 17725 days ago · 2 km deep · 6 km away
7. 2.37 km SW of Volcano, HawaiiWed, Mar 22, 11:00 AM HST · 17725 days ago · 1 km deep · 9 km away
8. 2.512 km S of Fern Forest, HawaiiWed, Mar 22, 1:18 PM HST · 17725 days ago · 39 km deep · 16 km away
9. 2.116 km SE of Fern Forest, HawaiiWed, Mar 22, 2:12 PM HST · 17725 days ago · 7 km deep · 26 km away
10. 2.115 km W of Volcano, HawaiiWed, Mar 22, 4:03 PM HST · 17725 days ago · 5 km deep · 20 km away
11. 2.615 km SSE of Fern Forest, HawaiiWed, Mar 22, 6:19 PM HST · 17725 days ago · 6 km deep · 22 km away
12. 2.1Island of Hawaii, HawaiiWed, Mar 22, 8:54 PM HST · 17725 days ago · 5 km deep · 20 km away
13. 2.316 km NE of P?hala, HawaiiThu, Mar 23, 3:54 PM HST · 17724 days ago · 5 km deep · 9 km away
14. 2.110 km S of Volcano, HawaiiThu, Mar 23, 7:08 PM HST · 17724 days ago · 6 km deep · 6 km away
15. 2.98 km ESE of Leilani Estates, HawaiiFri, Mar 24, 1:06 PM HST · 17723 days ago · 49 km deep · 46 km away
16. 2.412 km SSE of Fern Forest, HawaiiFri, Mar 24, 6:57 PM HST · 17723 days ago · 7 km deep · 21 km away
17. 2.215 km SSE of Volcano, HawaiiSat, Mar 25, 2:00 AM HST · 17722 days ago · 7 km deep · 10 km away
18. 2.415 km S of Fern Forest, HawaiiSat, Mar 25, 6:26 AM HST · 17722 days ago · 8 km deep · 14 km away
19. 2.812 km SSE of Volcano, HawaiiSat, Mar 25, 6:57 AM HST · 17722 days ago · 8 km deep · 10 km away
20. 2.415 km W of Volcano, HawaiiSat, Mar 25, 10:35 AM HST · 17722 days ago · 8 km deep · 18 km away
21. 2.615 km NNW of Wai‘?hinu, HawaiiSat, Mar 25, 12:38 PM HST · 17722 days ago · 2 km deep · 46 km away
22. 2.220 km W of Volcano, HawaiiSat, Mar 25, 1:19 PM HST · 17722 days ago · 2 km deep · 20 km away
23. 2.313 km SSE of Volcano, HawaiiSat, Mar 25, 6:35 PM HST · 17722 days ago · 5 km deep · 8 km away
24. 2.21 km E of Wainaku, HawaiiSat, Mar 25, 8:38 PM HST · 17722 days ago · 46 km deep · 52 km away
25. 2.13 km S of Leilani Estates, HawaiiSat, Mar 25, 11:16 PM HST · 17721 days ago · 6 km deep · 39 km away
26. 2.116 km S of Volcano, HawaiiSun, Mar 26, 2:52 AM HST · 17721 days ago · 7 km deep · 5 km away
27. 2.118 km W of Volcano, HawaiiSun, Mar 26, 7:38 AM HST · 17721 days ago · 6 km deep · 19 km away
28. 2.216 km NE of P?hala, HawaiiSun, Mar 26, 10:02 AM HST · 17721 days ago · 5 km deep · 9 km away
29. 2.26 km SSW of Volcano, HawaiiSun, Mar 26, 2:46 PM HST · 17721 days ago · 2 km deep · 9 km away
30. 2.416 km SSE of Fern Forest, HawaiiSun, Mar 26, 3:39 PM HST · 17721 days ago · 8 km deep · 23 km away
31. 2.023 km N of P?hala, HawaiiSun, Mar 26, 4:43 PM HST · 17721 days ago · 6 km deep · 24 km away
32. 2.014 km SSE of Volcano, HawaiiSun, Mar 26, 6:11 PM HST · 17721 days ago · 5 km deep · 10 km away
33. 2.93 km S of P?hala, HawaiiSun, Mar 26, 7:12 PM HST · 17721 days ago · 33 km deep · 28 km away
34. 2.214 km S of Volcano, HawaiiSun, Mar 26, 10:17 PM HST · 17720 days ago · 5 km deep · 5 km away
35. 2.23 km E of P?hala, HawaiiMon, Mar 27, 2:11 AM HST · 17720 days ago · 7 km deep · 23 km away
36. 2.116 km SW of Leilani Estates, HawaiiMon, Mar 27, 3:11 AM HST · 17720 days ago · 6 km deep · 27 km away
37. 2.513 km S of Fern Forest, HawaiiMon, Mar 27, 4:19 AM HST · 17720 days ago · 9 km deep · 15 km away
38. 2.314 km SSW of Volcano, HawaiiMon, Mar 27, 7:29 AM HST · 17720 days ago · 31 km deep · 5 km away
39. 3.116 km NNE of P?hala, HawaiiMon, Mar 27, 11:31 AM HST · 17720 days ago · 10 km deep · 17 km away
40. 2.016 km S of Fern Forest, HawaiiMon, Mar 27, 2:32 PM HST · 17720 days ago · 8 km deep · 14 km away
41. 3.08 km E of Leilani Estates, HawaiiMon, Mar 27, 9:57 PM HST · 17720 days ago · 8 km deep · 47 km away
42. 2.712 km E of Leilani Estates, HawaiiMon, Mar 27, 10:10 PM HST · 17719 days ago · 8 km deep · 51 km away
43. 2.610 km S of Volcano, HawaiiTue, Mar 28, 10:23 AM HST · 17719 days ago · 9 km deep · 4 km away
44. 2.312 km SSE of Volcano, HawaiiTue, Mar 28, 1:15 PM HST · 17719 days ago · 8 km deep · 9 km away
45. 3.5Hawaii region, HawaiiTue, Mar 28, 3:42 PM HST · 17719 days ago · 16 km deep · 57 km away
46. 2.012 km SE of Volcano, HawaiiTue, Mar 28, 7:19 PM HST · 17719 days ago · 6 km deep · 11 km away
47. 2.222 km W of Volcano, HawaiiTue, Mar 28, 8:18 PM HST · 17719 days ago · 1 km deep · 22 km away
48. 2.5Island of Hawaii, HawaiiTue, Mar 28, 10:04 PM HST · 17718 days ago · 7 km deep · 27 km away
49. 2.118 km N of P?hala, HawaiiTue, Mar 28, 10:12 PM HST · 17718 days ago · 6 km deep · 23 km away
50. 2.117 km SW of Leilani Estates, HawaiiTue, Mar 28, 10:13 PM HST · 17718 days ago · 8 km deep · 27 km away
51. 2.812 km SSE of Fern Forest, HawaiiWed, Mar 29, 1:56 AM HST · 17718 days ago · 8 km deep · 17 km away
52. 2.617 km S of Volcano, HawaiiWed, Mar 29, 2:01 AM HST · 17718 days ago · 10 km deep · 7 km away
53. 2.414 km SW of Leilani Estates, HawaiiWed, Mar 29, 3:10 AM HST · 17718 days ago · 8 km deep · 28 km away
54. 2.511 km SSE of Fern Forest, HawaiiWed, Mar 29, 4:48 PM HST · 17718 days ago · 7 km deep · 19 km away
55. 2.7Island of Hawaii, HawaiiWed, Mar 29, 5:47 PM HST · 17718 days ago · 9 km deep · 16 km away
56. 2.67 km SSE of Leilani Estates, HawaiiThu, Mar 30, 12:52 AM HST · 17717 days ago · 9 km deep · 41 km away
57. 2.213 km SSE of Volcano, HawaiiThu, Mar 30, 2:28 AM HST · 17717 days ago · 6 km deep · 8 km away
58. 2.112 km SSE of Fern Forest, HawaiiThu, Mar 30, 3:01 AM HST · 17717 days ago · 7 km deep · 20 km away
59. 2.017 km SSW of Volcano, HawaiiThu, Mar 30, 5:00 AM HST · 17717 days ago · 8 km deep · 3 km away
60. 2.514 km NE of P?hala, HawaiiThu, Mar 30, 12:09 PM HST · 17717 days ago · 4 km deep · 13 km away

The first 60 of 196.

Before

1. 2.312 km ESE of Leilani Estates, HawaiiMon, Mar 20, 3:10 PM HST · 17727 days ago · 7 km deep · 50 km away
2. 2.613 km ESE of Naalehu, HawaiiMon, Mar 20, 11:48 AM HST · 17727 days ago · 37 km deep · 37 km away
3. 2.514 km SSE of Volcano, HawaiiMon, Mar 20, 3:35 AM HST · 17727 days ago · 9 km deep · 7 km away
4. 2.116 km SSE of Volcano, HawaiiSun, Mar 19, 6:32 PM HST · 17728 days ago · 8 km deep · 11 km away
5. 2.118 km S of Volcano, HawaiiSun, Mar 19, 4:48 PM HST · 17728 days ago · 8 km deep · 7 km away
6. 2.117 km SSE of Fern Forest, HawaiiSun, Mar 19, 1:04 PM HST · 17728 days ago · 7 km deep · 22 km away
7. 2.411 km SSE of Fern Forest, HawaiiSun, Mar 19, 8:02 AM HST · 17728 days ago · 7 km deep · 18 km away
8. 2.017 km W of Volcano, HawaiiSun, Mar 19, 7:15 AM HST · 17728 days ago · 7 km deep · 18 km away
9. 2.515 km SW of Leilani Estates, HawaiiSun, Mar 19, 6:35 AM HST · 17728 days ago · 9 km deep · 27 km away
10. 1.99 km WNW of Kailua-Kona, HawaiiSat, Mar 18, 11:08 PM HST · 17728 days ago · 12 km deep · 94 km away
11. 1.913 km SSE of Volcano, HawaiiSat, Mar 18, 6:56 PM HST · 17729 days ago · 6 km deep · 8 km away
12. 2.117 km SW of Leilani Estates, HawaiiSat, Mar 18, 5:11 PM HST · 17729 days ago · 7 km deep · 26 km away
13. 2.533 km SSE of Volcano, HawaiiSat, Mar 18, 4:22 PM HST · 17729 days ago · 50 km deep · 23 km away
14. 2.120 km SSE of Fern Forest, HawaiiSat, Mar 18, 2:50 PM HST · 17729 days ago · 6 km deep · 24 km away
15. 2.118 km SW of Leilani Estates, HawaiiSat, Mar 18, 1:01 PM HST · 17729 days ago · 7 km deep · 26 km away
16. 2.413 km SE of Fern Forest, HawaiiSat, Mar 18, 3:45 AM HST · 17729 days ago · 9 km deep · 24 km away
17. 2.114 km S of Volcano, HawaiiFri, Mar 17, 9:29 PM HST · 17730 days ago · 7 km deep · 5 km away
18. 2.113 km SE of Fern Forest, HawaiiFri, Mar 17, 8:37 PM HST · 17730 days ago · 8 km deep · 23 km away
19. 2.015 km SSE of Volcano, HawaiiFri, Mar 17, 3:44 PM HST · 17730 days ago · 6 km deep · 11 km away
20. 2.912 km SSE of Volcano, HawaiiFri, Mar 17, 1:13 PM HST · 17730 days ago · 9 km deep · 9 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19780460. Read Thu, Oct 1, 2026, 7:31 PM UTC.