M2.3 earthquake 12 km SW of Volcano, Hawaii

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Fri, Aug 4, 1978, 9:03 AM HST

UTC

1978-08-04 19:03:52 UTC

Depth

31.0 km (19.2 mi), shallow

Epicenter

19.359° N, 155.315° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 1.3 km in depth

Depth from

From location

Station coverage gap

42°

Stations used

31

• Volcano, HawaiiPopulation 2,575. Forecast13 kmSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast44 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast342 kmSE

After

1. 2.910 km WNW of Kalaoa, HawaiiFri, Aug 4, 2:24 PM HST · 17590 days ago · 32 km deep · 91 km away
2. 2.416 km SSE of Fern Forest, HIFri, Aug 4, 4:48 PM HST · 17590 days ago · 7 km deep · 22 km away
3. 2.122 km N of P?hala, HawaiiFri, Aug 4, 7:54 PM HST · 17590 days ago · 6 km deep · 20 km away
4. 2.613 km SSE of Volcano, HawaiiFri, Aug 4, 11:08 PM HST · 17589 days ago · 9 km deep · 14 km away
5. 2.66 km SSW of Volcano, HawaiiSat, Aug 5, 4:28 AM HST · 17589 days ago · 2 km deep · 8 km away
6. 2.112 km SSE of Fern Forest, HawaiiSat, Aug 5, 12:11 PM HST · 17589 days ago · 7 km deep · 22 km away
7. 2.013 km NE of P?hala, HawaiiSat, Aug 5, 1:52 PM HST · 17589 days ago · 8 km deep · 12 km away
8. 3.417 km W of Volcano, HawaiiSat, Aug 5, 8:00 PM HST · 17589 days ago · 9 km deep · 12 km away
9. 2.47 km WNW of Mountain View, HawaiiSat, Aug 5, 9:07 PM HST · 17589 days ago · 11 km deep · 28 km away
10. 2.812 km SE of Fern Forest, HawaiiSat, Aug 5, 11:05 PM HST · 17588 days ago · 8 km deep · 27 km away
11. 2.017 km W of Volcano, HawaiiSun, Aug 6, 1:31 AM HST · 17588 days ago · 4 km deep · 12 km away
12. 2.212 km SSE of Fern Forest, HawaiiSun, Aug 6, 5:17 AM HST · 17588 days ago · 8 km deep · 24 km away
13. 2.312 km SSE of Volcano, HawaiiSun, Aug 6, 4:39 PM HST · 17588 days ago · 9 km deep · 11 km away
14. 2.3Island of Hawaii, HawaiiMon, Aug 7, 4:15 AM HST · 17587 days ago · 5 km deep · 14 km away
15. 2.116 km SE of Fern Forest, HawaiiMon, Aug 7, 6:04 AM HST · 17587 days ago · 7 km deep · 29 km away
16. 2.615 km ENE of P?hala, HawaiiMon, Aug 7, 12:56 PM HST · 17587 days ago · 8 km deep · 10 km away
17. 2.711 km S of Volcano, HawaiiMon, Aug 7, 2:35 PM HST · 17587 days ago · 9 km deep · 11 km away
18. 2.413 km SSE of Volcano, HawaiiMon, Aug 7, 10:07 PM HST · 17587 days ago · 7 km deep · 15 km away
19. 2.8Island of Hawaii, HawaiiTue, Aug 8, 1:15 AM HST · 17586 days ago · 8 km deep · 25 km away
20. 2.813 km SSE of Volcano, HawaiiTue, Aug 8, 11:01 AM HST · 17586 days ago · 9 km deep · 13 km away
21. 2.18 km SW of Volcano, HawaiiTue, Aug 8, 12:26 PM HST · 17586 days ago · 2 km deep · 4 km away
22. 2.19 km SSE of Volcano, HawaiiTue, Aug 8, 12:40 PM HST · 17586 days ago · 2 km deep · 11 km away
23. 3.816 km S of Volcano, HawaiiTue, Aug 8, 9:10 PM HST · 17586 days ago · 10 km deep · 12 km away
24. 2.114 km S of Volcano, HawaiiWed, Aug 9, 1:25 AM HST · 17585 days ago · 6 km deep · 11 km away
25. 2.26 km SSW of Volcano, HawaiiWed, Aug 9, 2:23 AM HST · 17585 days ago · 2 km deep · 7 km away
26. 3.310 km ESE of Leilani Estates, HawaiiWed, Aug 9, 4:43 AM HST · 17585 days ago · 8 km deep · 53 km away
27. 2.014 km NE of P?hala, HawaiiWed, Aug 9, 12:25 PM HST · 17585 days ago · 3 km deep · 10 km away
28. 2.514 km SSE of Fern Forest, HawaiiWed, Aug 9, 3:22 PM HST · 17585 days ago · 7 km deep · 27 km away
29. 2.315 km SSE of Fern Forest, HawaiiWed, Aug 9, 3:26 PM HST · 17585 days ago · 6 km deep · 27 km away
30. 2.114 km SSE of Fern Forest, HawaiiWed, Aug 9, 4:06 PM HST · 17585 days ago · 6 km deep · 27 km away
31. 1.86 km SSW of Volcano, HawaiiWed, Aug 9, 11:37 PM HST · 17584 days ago · 1 km deep · 6 km away
32. 2.418 km WNW of Volcano, HawaiiThu, Aug 10, 1:32 AM HST · 17584 days ago · -2 km deep · 19 km away
33. 1.67 km SW of Volcano, HawaiiThu, Aug 10, 3:21 AM HST · 17584 days ago · 0 km deep · 6 km away
34. 2.18 km SW of Volcano, HawaiiThu, Aug 10, 11:36 AM HST · 17584 days ago · 2 km deep · 5 km away
35. 2.212 km SE of Leilani Estates, HawaiiThu, Aug 10, 12:16 PM HST · 17584 days ago · 11 km deep · 52 km away
36. 2.316 km WSW of Volcano, HawaiiThu, Aug 10, 1:27 PM HST · 17584 days ago · 8 km deep · 10 km away
37. 2.213 km S of Volcano, HawaiiThu, Aug 10, 2:44 PM HST · 17584 days ago · 8 km deep · 11 km away
38. 2.25 km SSW of Volcano, HawaiiFri, Aug 11, 4:14 AM HST · 17583 days ago · 2 km deep · 7 km away
39. 2.18 km SSW of Volcano, HawaiiFri, Aug 11, 9:21 AM HST · 17583 days ago · 2 km deep · 4 km away
40. 2.03 km SSW of Leilani Estates, HawaiiFri, Aug 11, 9:48 AM HST · 17583 days ago · 6 km deep · 42 km away
41. 1.918 km N of P?hala, HawaiiFri, Aug 11, 10:54 AM HST · 17583 days ago · 7 km deep · 18 km away
42. 2.413 km W of Volcano, HawaiiFri, Aug 11, 12:44 PM HST · 17583 days ago · 9 km deep · 11 km away
43. 2.020 km NNE of P?hala, HawaiiFri, Aug 11, 11:16 PM HST · 17582 days ago · 7 km deep · 13 km away
44. 3.415 km S of Fern Forest, HawaiiSat, Aug 12, 12:52 AM HST · 17582 days ago · 9 km deep · 22 km away
45. 2.95 km NNW of Kalaoa, HawaiiSat, Aug 12, 2:51 AM HST · 17582 days ago · 9 km deep · 85 km away
46. 1.611 km SSE of Volcano, HawaiiSat, Aug 12, 6:01 AM HST · 17582 days ago · 8 km deep · 11 km away
47. 2.715 km S of Volcano, HawaiiSat, Aug 12, 2:06 PM HST · 17582 days ago · 9 km deep · 11 km away
48. 2.015 km S of Fern Forest, HawaiiSat, Aug 12, 3:25 PM HST · 17582 days ago · 8 km deep · 20 km away
49. 1.916 km S of Fern Forest, HawaiiSat, Aug 12, 4:15 PM HST · 17582 days ago · 8 km deep · 20 km away
50. 1.719 km NNE of P?hala, HawaiiSat, Aug 12, 5:29 PM HST · 17582 days ago · 9 km deep · 11 km away
51. 2.113 km SSE of Eden Roc, HawaiiSat, Aug 12, 10:38 PM HST · 17582 days ago · 8 km deep · 29 km away
52. 2.118 km W of Volcano, HawaiiSun, Aug 13, 5:31 AM HST · 17581 days ago · 8 km deep · 11 km away
53. 2.312 km SSE of Volcano, HawaiiSun, Aug 13, 10:14 AM HST · 17581 days ago · 7 km deep · 14 km away
54. 2.414 km WNW of Volcano, HawaiiSun, Aug 13, 12:37 PM HST · 17581 days ago · 6 km deep · 13 km away
55. 2.48 km SW of Volcano, HawaiiSun, Aug 13, 8:19 PM HST · 17581 days ago · 2 km deep · 4 km away
56. 2.110 km S of Pa‘auilo, HawaiiSun, Aug 13, 10:12 PM HST · 17581 days ago · 10 km deep · 65 km away
57. 2.713 km S of Fern Forest, HawaiiSun, Aug 13, 10:45 PM HST · 17581 days ago · 8 km deep · 21 km away
58. 2.522 km ENE of H?lualoa, HawaiiMon, Aug 14, 2:42 PM HST · 17580 days ago · 12 km deep · 58 km away
59. 1.912 km SSE of Volcano, HawaiiMon, Aug 14, 3:47 PM HST · 17580 days ago · 7 km deep · 12 km away
60. 2.127 km WNW of Volcano, HawaiiTue, Aug 15, 12:53 AM HST · 17579 days ago · 1 km deep · 25 km away

The first 60 of 198.

Before

1. 2.115 km S of Fern Forest, HawaiiFri, Aug 4, 7:37 AM HST · 17590 days ago · 7 km deep · 20 km away
2. 2.16 km SSW of Volcano, HawaiiThu, Aug 3, 9:46 AM HST · 17591 days ago · 2 km deep · 7 km away
3. 2.19 km SSE of Volcano, HawaiiThu, Aug 3, 6:05 AM HST · 17591 days ago · 2 km deep · 11 km away
4. 2.511 km SSE of Fern Forest, HawaiiThu, Aug 3, 2:01 AM HST · 17591 days ago · 8 km deep · 22 km away
5. 2.515 km SSW of Volcano, HawaiiThu, Aug 3, 12:21 AM HST · 17591 days ago · 9 km deep · 7 km away
6. 2.28 km SW of Volcano, HawaiiWed, Aug 2, 5:18 PM HST · 17592 days ago · 2 km deep · 4 km away
7. 2.87 km SW of Volcano, HawaiiWed, Aug 2, 4:40 PM HST · 17592 days ago · 2 km deep · 5 km away
8. 2.115 km SSE of Fern Forest, HawaiiWed, Aug 2, 11:17 AM HST · 17592 days ago · 6 km deep · 26 km away
9. 2.110 km S of Volcano, HawaiiWed, Aug 2, 10:41 AM HST · 17592 days ago · 7 km deep · 10 km away
10. 2.419 km NNE of P?hala, HawaiiWed, Aug 2, 4:16 AM HST · 17592 days ago · 8 km deep · 11 km away
11. 2.112 km SSE of Volcano, HawaiiTue, Aug 1, 7:08 PM HST · 17593 days ago · 8 km deep · 14 km away
12. 2.517 km SW of Pa‘auilo, HawaiiTue, Aug 1, 4:11 PM HST · 17593 days ago · 34 km deep · 64 km away
13. 2.1Island of Hawaii, HawaiiTue, Aug 1, 4:02 PM HST · 17593 days ago · 5 km deep · 19 km away
14. 2.313 km SSE of Volcano, HawaiiTue, Aug 1, 2:01 PM HST · 17593 days ago · 8 km deep · 14 km away
15. 3.115 km SSE of Fern Forest, HawaiiTue, Aug 1, 12:08 PM HST · 17593 days ago · 9 km deep · 22 km away
16. 2.713 km W of Volcano, HawaiiTue, Aug 1, 4:35 AM HST · 17593 days ago · 7 km deep · 11 km away
17. 2.16 km SW of Volcano, HawaiiTue, Aug 1, 12:28 AM HST · 17593 days ago · 1 km deep · 6 km away
18. 1.96 km SSW of Volcano, HawaiiMon, Jul 31, 11:17 PM HST · 17593 days ago · 2 km deep · 7 km away
19. 2.213 km SE of Eden Roc, HawaiiMon, Jul 31, 8:01 PM HST · 17594 days ago · 10 km deep · 31 km away
20. 2.321 km N of P?hala, HawaiiMon, Jul 31, 6:58 PM HST · 17594 days ago · 10 km deep · 16 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19781281. Read Thu, Oct 1, 2026, 8:28 PM UTC.