M2.1 earthquake 12 km SSE of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Thu, Apr 6, 1978, 11:43 PM HST

UTC

1978-04-07 09:43:01 UTC

Depth

4.9 km (3.1 mi), shallow

Epicenter

19.333° N, 155.202° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.0 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

79°

Stations used

28

• Volcano, HawaiiPopulation 2,575. Forecast13 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast38 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast353 kmSE

After

1. 2.317 km N of P?hala, HawaiiFri, Apr 7, 6:29 AM HST · 17710 days ago · 8 km deep · 29 km away
2. 2.116 km SE of Fern Forest, HawaiiFri, Apr 7, 9:20 AM HST · 17710 days ago · 8 km deep · 17 km away
3. 2.616 km W of Volcano, HawaiiFri, Apr 7, 12:55 PM HST · 17710 days ago · 9 km deep · 22 km away
4. 3.05 km SSW of Volcano, HawaiiFri, Apr 7, 3:22 PM HST · 17710 days ago · 2 km deep · 9 km away
5. 4.11 km N of Honomu, HawaiiFri, Apr 7, 4:43 PM HST · 17710 days ago · 39 km deep · 62 km away
6. 2.617 km S of Volcano, HawaiiFri, Apr 7, 7:47 PM HST · 17710 days ago · 10 km deep · 6 km away
7. 2.715 km S of Fern Forest, HawaiiSat, Apr 8, 11:34 AM HST · 17709 days ago · 9 km deep · 10 km away
8. 2.015 km S of Fern Forest, HawaiiSat, Apr 8, 3:39 PM HST · 17709 days ago · 6 km deep · 7 km away
9. 2.116 km SE of Fern Forest, HawaiiSun, Apr 9, 12:15 AM HST · 17708 days ago · 6 km deep · 18 km away
10. 2.711 km SSE of Fern Forest, HawaiiSun, Apr 9, 1:29 AM HST · 17708 days ago · 8 km deep · 14 km away
11. 1.98 km SSW of Leilani Estates, HawaiiSun, Apr 9, 4:02 AM HST · 17708 days ago · 6 km deep · 27 km away
12. 2.014 km S of Volcano, HawaiiSun, Apr 9, 4:11 AM HST · 17708 days ago · 8 km deep · 4 km away
13. 2.46 km SSW of Volcano, HawaiiMon, Apr 10, 1:59 AM HST · 17707 days ago · 2 km deep · 9 km away
14. 2.714 km SSE of Volcano, HawaiiMon, Apr 10, 2:44 AM HST · 17707 days ago · 8 km deep · 2 km away
15. 2.013 km SSE of Volcano, HawaiiMon, Apr 10, 4:03 PM HST · 17707 days ago · 7 km deep · 4 km away
16. 2.93 km NNW of Honaunau-Napoopoo, HawaiiMon, Apr 10, 9:23 PM HST · 17706 days ago · 5 km deep · 73 km away
17. 2.12 km ENE of P?hala, HawaiiTue, Apr 11, 7:32 AM HST · 17706 days ago · 0 km deep · 30 km away
18. 2.69 km ESE of Leilani Estates, HawaiiTue, Apr 11, 10:45 AM HST · 17706 days ago · 10 km deep · 40 km away
19. 2.116 km SE of Fern Forest, HawaiiTue, Apr 11, 5:48 PM HST · 17706 days ago · 6 km deep · 19 km away
20. 2.017 km SSW of Volcano, HawaiiWed, Apr 12, 5:53 AM HST · 17705 days ago · 7 km deep · 9 km away
21. 1.914 km S of Volcano, HawaiiWed, Apr 12, 7:57 AM HST · 17705 days ago · 3 km deep · 3 km away
22. 3.512 km S of Fern Forest, HawaiiWed, Apr 12, 9:35 AM HST · 17705 days ago · 9 km deep · 9 km away
23. 3.815 km SSE of Fern Forest, HawaiiWed, Apr 12, 8:55 PM HST · 17705 days ago · 8 km deep · 15 km away
24. 2.115 km SSE of Fern Forest, HawaiiWed, Apr 12, 9:44 PM HST · 17704 days ago · 3 km deep · 16 km away
25. 2.06 km SSW of Volcano, HawaiiThu, Apr 13, 12:10 AM HST · 17704 days ago · 3 km deep · 9 km away
26. 2.014 km NE of P?hala, HawaiiThu, Apr 13, 5:37 AM HST · 17704 days ago · 3 km deep · 20 km away
27. 2.416 km SE of Fern Forest, HawaiiThu, Apr 13, 6:31 AM HST · 17704 days ago · 7 km deep · 18 km away
28. 2.43 km SW of Volcano, HawaiiThu, Apr 13, 10:34 AM HST · 17704 days ago · 0 km deep · 12 km away
29. 2.415 km SSE of Fern Forest, HawaiiThu, Apr 13, 12:49 PM HST · 17704 days ago · 7 km deep · 15 km away
30. 2.219 km N of P?hala, HawaiiThu, Apr 13, 4:10 PM HST · 17704 days ago · 8 km deep · 28 km away
31. 2.3Island of Hawaii, HawaiiThu, Apr 13, 9:11 PM HST · 17703 days ago · 31 km deep · 12 km away
32. 2.117 km SSE of Fern Forest, HawaiiThu, Apr 13, 9:17 PM HST · 17703 days ago · 6 km deep · 15 km away
33. 2.211 km S of Volcano, HawaiiThu, Apr 13, 10:10 PM HST · 17703 days ago · 8 km deep · 2 km away
34. 3.020 km SE of Honaunau-Napoopoo, HawaiiFri, Apr 14, 12:30 AM HST · 17703 days ago · 52 km deep · 58 km away
35. 2.312 km W of Volcano, HawaiiFri, Apr 14, 1:29 AM HST · 17703 days ago · 7 km deep · 21 km away
36. 2.16 km SSW of Volcano, HawaiiFri, Apr 14, 5:12 AM HST · 17703 days ago · 3 km deep · 9 km away
37. 2.311 km SSE of Volcano, HawaiiFri, Apr 14, 6:03 AM HST · 17703 days ago · 7 km deep · 2 km away
38. 2.26 km SW of Volcano, HawaiiFri, Apr 14, 6:59 AM HST · 17703 days ago · 0 km deep · 12 km away
39. 2.55 km SE of Kukuihaele, HawaiiFri, Apr 14, 8:09 AM HST · 17703 days ago · 11 km deep · 90 km away
40. 2.428 km E of Honaunau-Napoopoo, HawaiiFri, Apr 14, 10:40 AM HST · 17703 days ago · 41 km deep · 44 km away
41. 2.414 km SSE of Fern Forest, HawaiiFri, Apr 14, 10:48 AM HST · 17703 days ago · 8 km deep · 10 km away
42. 2.321 km N of P?hala, HawaiiFri, Apr 14, 3:15 PM HST · 17703 days ago · 6 km deep · 29 km away
43. 2.623 km NE of Honaunau-Napoopoo, HawaiiFri, Apr 14, 3:40 PM HST · 17703 days ago · 5 km deep · 57 km away
44. 2.422 km ENE of Honaunau-Napoopoo, HawaiiFri, Apr 14, 4:24 PM HST · 17703 days ago · 6 km deep · 57 km away
45. 2.114 km S of Fern Forest, HawaiiFri, Apr 14, 8:05 PM HST · 17703 days ago · 7 km deep · 8 km away
46. 2.118 km W of Volcano, HawaiiSat, Apr 15, 7:17 PM HST · 17702 days ago · 6 km deep · 24 km away
47. 2.118 km W of Volcano, HawaiiSun, Apr 16, 12:03 AM HST · 17701 days ago · 8 km deep · 24 km away
48. 2.116 km SE of Fern Forest, HawaiiSun, Apr 16, 9:20 AM HST · 17701 days ago · 7 km deep · 18 km away
49. 2.822 km N of P?hala, HawaiiSun, Apr 16, 1:00 PM HST · 17701 days ago · 8 km deep · 30 km away
50. 2.313 km S of Fern Forest, HawaiiSun, Apr 16, 10:30 PM HST · 17700 days ago · 5 km deep · 7 km away
51. 2.45 km WSW of Volcano, HawaiiMon, Apr 17, 12:03 AM HST · 17700 days ago · 1 km deep · 12 km away
52. 2.111 km SSE of Fern Forest, HawaiiMon, Apr 17, 2:44 AM HST · 17700 days ago · 7 km deep · 10 km away
53. 3.310 km S of Volcano, HawaiiMon, Apr 17, 2:47 AM HST · 17700 days ago · 9 km deep · 5 km away
54. 2.812 km S of Volcano, HawaiiMon, Apr 17, 3:21 AM HST · 17700 days ago · 8 km deep · 3 km away
55. 2.216 km S of Volcano, HawaiiMon, Apr 17, 4:33 AM HST · 17700 days ago · 9 km deep · 5 km away
56. 3.517 km SW of Leilani Estates, HawaiiMon, Apr 17, 6:40 PM HST · 17700 days ago · 7 km deep · 19 km away
57. 2.112 km SSE of Volcano, HawaiiMon, Apr 17, 7:57 PM HST · 17700 days ago · 6 km deep · 3 km away
58. 2.117 km SSE of Fern Forest, HawaiiMon, Apr 17, 8:53 PM HST · 17700 days ago · 8 km deep · 15 km away
59. 2.69 km N of Wai‘?hinu, HawaiiMon, Apr 17, 11:49 PM HST · 17699 days ago · 2 km deep · 47 km away
60. 3.115 km SSE of Fern Forest, HawaiiTue, Apr 18, 4:48 AM HST · 17699 days ago · 6 km deep · 15 km away

The first 60 of 196.

Before

1. 3.013 km SSE of Volcano, HawaiiThu, Apr 6, 11:41 PM HST · 17710 days ago · 7 km deep · 1 km away
2. 2.817 km SW of Leilani Estates, HawaiiThu, Apr 6, 11:12 AM HST · 17711 days ago · 6 km deep · 20 km away
3. 2.014 km SSE of Fern Forest, HawaiiThu, Apr 6, 6:58 AM HST · 17711 days ago · 4 km deep · 10 km away
4. 2.013 km SSE of Fern Forest, HawaiiThu, Apr 6, 5:03 AM HST · 17711 days ago · 5 km deep · 10 km away
5. 3.515 km S of Fern Forest, HawaiiThu, Apr 6, 3:47 AM HST · 17711 days ago · 10 km deep · 7 km away
6. 2.211 km SSE of Volcano, HawaiiThu, Apr 6, 12:46 AM HST · 17711 days ago · 7 km deep · 3 km away
7. 2.113 km SSE of Volcano, HawaiiWed, Apr 5, 11:28 PM HST · 17711 days ago · 6 km deep · 1 km away
8. 2.58 km S of Laup?hoehoe, HawaiiWed, Apr 5, 8:52 PM HST · 17712 days ago · 33 km deep · 64 km away
9. 2.59 km SW of P?hala, HawaiiWed, Apr 5, 3:25 PM HST · 17712 days ago · 6 km deep · 41 km away
10. 2.06 km SSW of Volcano, HawaiiWed, Apr 5, 11:27 AM HST · 17712 days ago · 2 km deep · 9 km away
11. 2.313 km N of P?hala, HawaiiWed, Apr 5, 6:30 AM HST · 17712 days ago · 28 km deep · 26 km away
12. 1.914 km SSE of Volcano, HawaiiWed, Apr 5, 5:22 AM HST · 17712 days ago · 4 km deep · 2 km away
13. 2.015 km NE of P?hala, HawaiiWed, Apr 5, 4:27 AM HST · 17712 days ago · 6 km deep · 18 km away
14. 1.912 km SSE of Volcano, HawaiiWed, Apr 5, 1:25 AM HST · 17712 days ago · 5 km deep · 1 km away
15. 2.321 km W of Volcano, HawaiiTue, Apr 4, 11:45 PM HST · 17712 days ago · 5 km deep · 26 km away
16. 2.16 km SSW of Volcano, HawaiiTue, Apr 4, 10:45 PM HST · 17712 days ago · 2 km deep · 9 km away
17. 2.318 km ENE of Honaunau-Napoopoo, HawaiiTue, Apr 4, 5:42 PM HST · 17713 days ago · 2 km deep · 57 km away
18. 2.3Island of Hawaii, HawaiiTue, Apr 4, 5:42 PM HST · 17713 days ago · -1 km deep · 57 km away
19. 2.319 km W of Volcano, HawaiiTue, Apr 4, 4:59 PM HST · 17713 days ago · 9 km deep · 24 km away
20. 2.214 km S of Fern Forest, HawaiiTue, Apr 4, 3:00 PM HST · 17713 days ago · 6 km deep · 8 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19780571. Read Fri, Oct 2, 2026, 6:39 PM UTC.