M2.2 earthquake 26 km WNW of Volcano, Hawaii

Magnitude

2.2 (ml), micro

Local time

Fri, Apr 21, 1978, 1:45 AM HST

UTC

1978-04-21 11:45:39 UTC

Depth

1.3 km (0.8 mi), shallow

Epicenter

19.535° N, 155.468° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

110°

Stations used

16

• Volcano, HawaiiPopulation 2,575. Forecast27 kmWNW
• Hilo, HawaiiPopulation 43,263. Forecast45 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast318 kmSE

After

1. 2.513 km SSW of Volcano, HawaiiFri, Apr 21, 4:14 AM HST · 17694 days ago · 34 km deep · 29 km away
2. 2.232 km SE of Waikoloa, HawaiiFri, Apr 21, 8:38 AM HST · 17694 days ago · 13 km deep · 24 km away
3. 2.416 km SE of Fern Forest, HawaiiFri, Apr 21, 9:13 AM HST · 17694 days ago · 7 km deep · 50 km away
4. 2.117 km SW of Leilani Estates, HawaiiFri, Apr 21, 11:04 AM HST · 17694 days ago · 5 km deep · 51 km away
5. 2.1Island of Hawaii, HawaiiFri, Apr 21, 7:36 PM HST · 17694 days ago · 4 km deep · 43 km away
6. 2.611 km S of Volcano, HawaiiFri, Apr 21, 8:43 PM HST · 17693 days ago · 8 km deep · 33 km away
7. 2.611 km SE of Fern Forest, HawaiiSat, Apr 22, 2:13 AM HST · 17693 days ago · 7 km deep · 46 km away
8. 2.111 km S of Volcano, HawaiiSat, Apr 22, 3:02 AM HST · 17693 days ago · 7 km deep · 33 km away
9. 2.111 km ESE of P?hala, HawaiiSat, Apr 22, 12:42 PM HST · 17693 days ago · 43 km deep · 44 km away
10. 2.044 km ESE of Naalehu, HawaiiSat, Apr 22, 1:28 PM HST · 17693 days ago · 14 km deep · 80 km away
11. 1.914 km SSE of Volcano, HawaiiSun, Apr 23, 12:49 AM HST · 17692 days ago · 5 km deep · 37 km away
12. 2.015 km S of Fern Forest, HawaiiSun, Apr 23, 2:04 AM HST · 17692 days ago · 7 km deep · 41 km away
13. 2.910 km SSW of Volcano, HawaiiSun, Apr 23, 7:26 AM HST · 17692 days ago · 8 km deep · 31 km away
14. 2.215 km NE of P?hala, HawaiiSun, Apr 23, 9:47 AM HST · 17692 days ago · 3 km deep · 30 km away
15. 2.217 km NE of P?hala, HawaiiSun, Apr 23, 1:35 PM HST · 17692 days ago · 3 km deep · 28 km away
16. 2.110 km S of Volcano, HawaiiSun, Apr 23, 3:20 PM HST · 17692 days ago · 7 km deep · 33 km away
17. 2.36 km ENE of Waimea, HawaiiSun, Apr 23, 9:59 PM HST · 17691 days ago · 8 km deep · 59 km away
18. 2.712 km SSE of Fern Forest, HawaiiMon, Apr 24, 1:26 AM HST · 17691 days ago · 8 km deep · 45 km away
19. 2.114 km S of Volcano, HawaiiMon, Apr 24, 2:06 AM HST · 17691 days ago · 6 km deep · 33 km away
20. 2.116 km SE of Fern Forest, HawaiiMon, Apr 24, 8:38 AM HST · 17691 days ago · 4 km deep · 49 km away
21. 2.219 km WSW of Volcano, HawaiiMon, Apr 24, 8:43 AM HST · 17691 days ago · 7 km deep · 15 km away
22. 1.911 km SSE of Volcano, HawaiiMon, Apr 24, 12:00 PM HST · 17691 days ago · 7 km deep · 35 km away
23. 2.511 km SSE of Volcano, HawaiiMon, Apr 24, 2:22 PM HST · 17691 days ago · 6 km deep · 35 km away
24. 2.213 km SSE of Volcano, HawaiiMon, Apr 24, 3:22 PM HST · 17691 days ago · 7 km deep · 36 km away
25. 2.29 km S of Volcano, HawaiiMon, Apr 24, 4:08 PM HST · 17691 days ago · 6 km deep · 30 km away
26. 2.113 km SSE of Eden Roc, HawaiiMon, Apr 24, 7:48 PM HST · 17691 days ago · 8 km deep · 49 km away
27. 2.014 km SSE of Volcano, HawaiiMon, Apr 24, 9:22 PM HST · 17690 days ago · 5 km deep · 38 km away
28. 2.613 km SSE of Fern Forest, HawaiiMon, Apr 24, 11:02 PM HST · 17690 days ago · 7 km deep · 46 km away
29. 1.618 km W of Kalaoa, HawaiiTue, Apr 25, 2:27 AM HST · 17690 days ago · 37 km deep · 76 km away
30. 2.116 km SE of Fern Forest, HawaiiTue, Apr 25, 3:54 AM HST · 17690 days ago · 6 km deep · 50 km away
31. 2.113 km SSE of Fern Forest, HawaiiTue, Apr 25, 8:20 AM HST · 17690 days ago · 3 km deep · 44 km away
32. 2.312 km S of Fern Forest, HawaiiTue, Apr 25, 10:12 AM HST · 17690 days ago · 7 km deep · 42 km away
33. 2.225 km NW of Volcano, HawaiiTue, Apr 25, 11:39 AM HST · 17690 days ago · -2 km deep · 6 km away
34. 2.116 km SSE of Fern Forest, HawaiiTue, Apr 25, 2:03 PM HST · 17690 days ago · 6 km deep · 48 km away
35. 2.114 km S of Fern Forest, HawaiiTue, Apr 25, 2:08 PM HST · 17690 days ago · 7 km deep · 43 km away
36. 2.415 km S of Fern Forest, HawaiiTue, Apr 25, 6:43 PM HST · 17690 days ago · 8 km deep · 42 km away
37. 2.226 km W of Volcano, HawaiiWed, Apr 26, 12:54 AM HST · 17689 days ago · 4 km deep · 9 km away
38. 2.38 km ENE of Naalehu, HawaiiWed, Apr 26, 1:28 AM HST · 17689 days ago · 11 km deep · 48 km away
39. 2.012 km S of Fern Forest, HawaiiWed, Apr 26, 2:52 AM HST · 17689 days ago · 7 km deep · 41 km away
40. 2.515 km SW of Leilani Estates, HawaiiWed, Apr 26, 3:09 AM HST · 17689 days ago · 6 km deep · 53 km away
41. 2.711 km WNW of Puako, HawaiiWed, Apr 26, 3:48 AM HST · 17689 days ago · 5 km deep · 72 km away
42. 2.518 km NNE of P?hala, HawaiiWed, Apr 26, 9:26 AM HST · 17689 days ago · 9 km deep · 19 km away
43. 2.113 km SSE of Volcano, HawaiiWed, Apr 26, 3:00 PM HST · 17689 days ago · 8 km deep · 37 km away
44. 2.113 km SSE of Volcano, HawaiiWed, Apr 26, 4:40 PM HST · 17689 days ago · 6 km deep · 37 km away
45. 2.113 km SSE of Volcano, HawaiiWed, Apr 26, 5:08 PM HST · 17689 days ago · 7 km deep · 37 km away
46. 2.35 km E of Leilani Estates, HawaiiWed, Apr 26, 7:14 PM HST · 17689 days ago · 7 km deep · 63 km away
47. 2.315 km NE of P?hala, HawaiiWed, Apr 26, 8:33 PM HST · 17688 days ago · 6 km deep · 30 km away
48. 2.116 km SSE of Fern Forest, HawaiiThu, Apr 27, 1:57 AM HST · 17688 days ago · 5 km deep · 48 km away
49. 2.315 km N of P?hala, HawaiiThu, Apr 27, 4:20 AM HST · 17688 days ago · 0 km deep · 21 km away
50. 2.211 km SSE of Volcano, HawaiiThu, Apr 27, 4:26 AM HST · 17688 days ago · 32 km deep · 36 km away
51. 2.37 km SW of Volcano, HawaiiThu, Apr 27, 3:17 PM HST · 17688 days ago · 1 km deep · 26 km away
52. 2.314 km SSE of Fern Forest, HawaiiThu, Apr 27, 9:35 PM HST · 17687 days ago · 8 km deep · 46 km away
53. 3.04 km NW of Kukuihaele, HawaiiFri, Apr 28, 1:34 AM HST · 17687 days ago · 32 km deep · 70 km away
54. 2.134 km WNW of Volcano, HawaiiFri, Apr 28, 6:15 AM HST · 17687 days ago · 3 km deep · 8 km away
55. 2.235 km ENE of Honaunau-Napoopoo, HawaiiFri, Apr 28, 8:49 AM HST · 17687 days ago · 6 km deep · 9 km away
56. 2.610 km ESE of Honaunau-Napoopoo, HawaiiFri, Apr 28, 7:47 PM HST · 17687 days ago · 1 km deep · 33 km away
57. 2.640 km WSW of Captain Cook, HawaiiFri, Apr 28, 10:33 PM HST · 17686 days ago · 31 km deep · 87 km away
58. 2.8Hawaii region, HawaiiSat, Apr 29, 2:20 AM HST · 17686 days ago · 12 km deep · 100 km away
59. 2.519 km WNW of P?hala, HawaiiSat, Apr 29, 4:50 AM HST · 17686 days ago · -1 km deep · 34 km away
60. 2.314 km SSE of Volcano, HawaiiSat, Apr 29, 5:24 AM HST · 17686 days ago · 6 km deep · 37 km away

The first 60 of 199.

Before

1. 2.316 km SE of Fern Forest, HawaiiFri, Apr 21, 12:39 AM HST · 17694 days ago · 6 km deep · 50 km away
2. 3.214 km SSE of Volcano, HawaiiThu, Apr 20, 11:49 PM HST · 17694 days ago · 9 km deep · 38 km away
3. 2.415 km SE of Fern Forest, HawaiiThu, Apr 20, 8:34 PM HST · 17694 days ago · 7 km deep · 49 km away
4. 2.212 km SSE of Volcano, HawaiiThu, Apr 20, 6:43 PM HST · 17695 days ago · 6 km deep · 37 km away
5. 2.412 km SSE of Fern Forest, HawaiiThu, Apr 20, 1:27 PM HST · 17695 days ago · 7 km deep · 45 km away
6. 2.116 km SSE of Fern Forest, HawaiiThu, Apr 20, 4:53 AM HST · 17695 days ago · 6 km deep · 48 km away
7. 2.011 km SSE of Fern Forest, HawaiiThu, Apr 20, 1:45 AM HST · 17695 days ago · 6 km deep · 42 km away
8. 2.412 km SSE of Volcano, HawaiiThu, Apr 20, 12:56 AM HST · 17695 days ago · 8 km deep · 37 km away
9. 2.0Island of Hawaii, HawaiiWed, Apr 19, 9:55 PM HST · 17695 days ago · 4 km deep · 43 km away
10. 2.63 km WSW of P?hala, HawaiiWed, Apr 19, 4:36 PM HST · 17696 days ago · 37 km deep · 38 km away
11. 2.413 km SSE of Volcano, HawaiiWed, Apr 19, 11:56 AM HST · 17696 days ago · 7 km deep · 37 km away
12. 2.527 km ENE of Honaunau-Napoopoo, HawaiiWed, Apr 19, 11:23 AM HST · 17696 days ago · 6 km deep · 16 km away
13. 2.316 km N of P?hala, HawaiiWed, Apr 19, 9:04 AM HST · 17696 days ago · 5 km deep · 20 km away
14. 2.416 km N of P?hala, HawaiiWed, Apr 19, 9:03 AM HST · 17696 days ago · 5 km deep · 21 km away
15. 2.22 km SSW of Leilani Estates, HawaiiWed, Apr 19, 7:41 AM HST · 17696 days ago · 5 km deep · 57 km away
16. 2.111 km NNW of P?hala, HawaiiTue, Apr 18, 9:21 PM HST · 17696 days ago · -1 km deep · 26 km away
17. 2.013 km SSE of Volcano, HawaiiTue, Apr 18, 8:54 PM HST · 17696 days ago · 7 km deep · 37 km away
18. 2.212 km SSE of Fern Forest, HawaiiTue, Apr 18, 6:45 PM HST · 17697 days ago · 3 km deep · 43 km away
19. 2.115 km SE of P?hala, HawaiiTue, Apr 18, 5:15 PM HST · 17697 days ago · 37 km deep · 48 km away
20. 2.312 km SSE of Volcano, HawaiiTue, Apr 18, 4:10 PM HST · 17697 days ago · 8 km deep · 35 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19780657. Read Wed, Sep 30, 2026, 5:39 PM UTC.