M2.9 earthquake 9 km S of Volcano, Hawaii

Magnitude

2.9 (ml), micro

Local time

Mon, Mar 21, 1977, 1:01 PM HST

UTC

1977-03-21 23:01:56 UTC

Depth

7.2 km (4.5 mi), shallow

Epicenter

19.360° N, 155.248° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.04

Depth from

From location

Station coverage gap

58°

Stations used

31

• Volcano, HawaiiPopulation 2,575. Forecast9 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast39 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast348 kmSE

After

1. 2.612 km SSE of Volcano, HawaiiSun, Apr 3, 10:52 AM HST · 18069 days ago · 7 km deep · 5 km away
2. 2.513 km SSE of Volcano, HawaiiSun, Apr 3, 1:52 PM HST · 18069 days ago · 8 km deep · 7 km away
3. 2.312 km SSE of Volcano, HawaiiMon, Apr 4, 10:26 PM HST · 18068 days ago · 7 km deep · 6 km away
4. 2.413 km SE of Fern Forest, HawaiiWed, Apr 6, 2:25 AM HST · 18066 days ago · 8 km deep · 19 km away
5. 2.615 km S of Fern Forest, HawaiiWed, Apr 6, 5:17 AM HST · 18066 days ago · 8 km deep · 13 km away
6. 3.111 km SSE of Fern Forest, HawaiiWed, Apr 6, 5:22 AM HST · 18066 days ago · 6 km deep · 15 km away
7. 2.313 km SSW of Volcano, HawaiiWed, Apr 6, 6:28 AM HST · 18066 days ago · 6 km deep · 5 km away
8. 2.77 km ESE of Leilani Estates, HawaiiWed, Apr 6, 10:33 AM HST · 18066 days ago · 11 km deep · 43 km away
9. 3.513 km SSE of Fern Forest, HawaiiWed, Apr 6, 11:00 AM HST · 18066 days ago · 9 km deep · 18 km away
10. 3.113 km SSE of Fern Forest, HawaiiWed, Apr 6, 11:01 AM HST · 18066 days ago · 8 km deep · 18 km away
11. 2.612 km SSE of Eden Roc, HawaiiWed, Apr 6, 12:04 PM HST · 18066 days ago · 0 km deep · 22 km away
12. 3.417 km S of Fern Forest, HawaiiWed, Apr 6, 5:31 PM HST · 18066 days ago · 9 km deep · 15 km away
13. 2.915 km S of Fern Forest, HawaiiThu, Apr 7, 8:08 AM HST · 18065 days ago · 7 km deep · 11 km away
14. 2.414 km SSE of Volcano, HawaiiThu, Apr 7, 10:03 AM HST · 18065 days ago · 6 km deep · 8 km away
15. 2.66 km SSW of Leilani Estates, HawaiiThu, Apr 7, 4:17 PM HST · 18065 days ago · 7 km deep · 32 km away
16. 2.619 km W of Volcano, HawaiiFri, Apr 8, 2:19 AM HST · 18064 days ago · 10 km deep · 19 km away
17. 2.19 km NNE of Naalehu, HawaiiSat, Apr 9, 12:40 AM HST · 18064 days ago · 41 km deep · 40 km away
18. 1.711 km SSE of Volcano, HawaiiSat, Apr 9, 4:07 AM HST · 18063 days ago · 7 km deep · 7 km away
19. 2.113 km NNW of P?hala, HawaiiSat, Apr 9, 5:04 AM HST · 18063 days ago · 5 km deep · 27 km away
20. 2.511 km SSE of Volcano, HawaiiSat, Apr 9, 6:05 AM HST · 18063 days ago · 7 km deep · 6 km away
21. 1.79 km SSE of P?hala, HawaiiSat, Apr 9, 6:29 AM HST · 18063 days ago · 40 km deep · 34 km away
22. 1.78 km W of P?hala, HawaiiSat, Apr 9, 6:33 AM HST · 18063 days ago · 53 km deep · 37 km away
23. 1.911 km SSE of Volcano, HawaiiSun, Apr 10, 1:22 AM HST · 18062 days ago · 7 km deep · 5 km away
24. 3.123 km N of P?hala, HawaiiSun, Apr 10, 9:31 AM HST · 18062 days ago · 8 km deep · 23 km away
25. 2.714 km S of Fern Forest, HawaiiSun, Apr 10, 12:59 PM HST · 18062 days ago · 2 km deep · 12 km away
26. 3.114 km SSW of Volcano, HawaiiSun, Apr 10, 8:31 PM HST · 18062 days ago · 9 km deep · 6 km away
27. 2.217 km NE of P?hala, HawaiiSun, Apr 10, 11:07 PM HST · 18062 days ago · 3 km deep · 12 km away
28. 2.811 km S of Volcano, HawaiiMon, Apr 11, 12:09 AM HST · 18062 days ago · 8 km deep · 4 km away
29. 2.416 km NE of P?hala, HawaiiMon, Apr 11, 6:13 AM HST · 18061 days ago · 6 km deep · 13 km away
30. 2.419 km WSW of Volcano, HawaiiMon, Apr 11, 10:36 PM HST · 18061 days ago · 9 km deep · 18 km away
31. 3.06 km W of Waimea, HawaiiWed, Apr 13, 12:06 PM HST · 18059 days ago · 8 km deep · 90 km away
32. 2.76 km ESE of Pa‘auilo, HawaiiWed, Apr 13, 10:24 PM HST · 18059 days ago · 9 km deep · 72 km away
33. 2.310 km SW of Leilani Estates, HawaiiThu, Apr 14, 1:59 AM HST · 18058 days ago · 7 km deep · 27 km away
34. 2.611 km SSE of Fern Forest, HawaiiThu, Apr 14, 9:48 PM HST · 18058 days ago · 7 km deep · 18 km away
35. 2.413 km NE of P?hala, HawaiiFri, Apr 15, 3:41 PM HST · 18057 days ago · 7 km deep · 17 km away
36. 2.414 km SSE of Volcano, HawaiiFri, Apr 15, 10:02 PM HST · 18057 days ago · 6 km deep · 8 km away
37. 2.612 km SSE of Fern Forest, HawaiiSat, Apr 16, 12:09 AM HST · 18057 days ago · 7 km deep · 17 km away
38. 2.25 km WSW of Volcano, HawaiiSat, Apr 16, 3:26 AM HST · 18056 days ago · 7 km deep · 7 km away
39. 2.213 km S of Volcano, HawaiiSun, Apr 17, 1:07 AM HST · 18055 days ago · 4 km deep · 5 km away
40. 2.69 km WSW of Laup?hoehoe, HawaiiSun, Apr 17, 1:38 AM HST · 18055 days ago · 11 km deep · 65 km away
41. 2.428 km WNW of Volcano, HawaiiSun, Apr 17, 2:05 PM HST · 18055 days ago · -2 km deep · 31 km away
42. 2.618 km NNE of P?hala, HawaiiSun, Apr 17, 9:42 PM HST · 18055 days ago · 8 km deep · 18 km away
43. 2.525 km W of Volcano, HawaiiMon, Apr 18, 4:44 AM HST · 18054 days ago · 7 km deep · 26 km away
44. 2.113 km SSE of Fern Forest, HawaiiTue, Apr 19, 1:05 AM HST · 18053 days ago · 6 km deep · 16 km away
45. 2.514 km S of Volcano, HawaiiTue, Apr 19, 1:49 AM HST · 18053 days ago · 6 km deep · 6 km away
46. 2.412 km SSE of Fern Forest, HawaiiTue, Apr 19, 9:38 PM HST · 18053 days ago · 6 km deep · 15 km away
47. 2.914 km SSE of Fern Forest, HawaiiTue, Apr 19, 11:04 PM HST · 18053 days ago · 8 km deep · 16 km away
48. 2.113 km S of Volcano, HawaiiWed, Apr 20, 1:27 AM HST · 18052 days ago · 5 km deep · 5 km away
49. 2.721 km WSW of Volcano, HawaiiWed, Apr 20, 6:24 AM HST · 18052 days ago · 5 km deep · 20 km away
50. 2.717 km N of P?hala, HawaiiWed, Apr 20, 1:14 PM HST · 18052 days ago · 6 km deep · 26 km away
51. 2.314 km S of Fern Forest, HawaiiWed, Apr 20, 4:25 PM HST · 18052 days ago · 8 km deep · 12 km away
52. 4.811 km SW of Laup?hoehoe, HawaiiWed, Apr 20, 6:49 PM HST · 18052 days ago · 11 km deep · 64 km away
53. 2.79 km SW of Laup?hoehoe, HawaiiWed, Apr 20, 7:24 PM HST · 18052 days ago · 9 km deep · 63 km away
54. 2.58 km SE of Pa‘auilo, HawaiiThu, Apr 21, 1:25 AM HST · 18051 days ago · 9 km deep · 70 km away
55. 3.714 km SSW of Volcano, HawaiiThu, Apr 21, 1:51 AM HST · 18051 days ago · 9 km deep · 5 km away
56. 2.611 km SSE of Eden Roc, HawaiiThu, Apr 21, 1:53 AM HST · 18051 days ago · 5 km deep · 21 km away
57. 2.211 km SW of Leilani Estates, HawaiiThu, Apr 21, 4:27 AM HST · 18051 days ago · 8 km deep · 26 km away
58. 2.37 km SE of Pa‘auilo, HawaiiThu, Apr 21, 9:27 AM HST · 18051 days ago · 13 km deep · 70 km away
59. 2.58 km WSW of Laup?hoehoe, HawaiiThu, Apr 21, 9:31 AM HST · 18051 days ago · 13 km deep · 68 km away
60. 2.713 km SW of Leilani Estates, HawaiiThu, Apr 21, 4:03 PM HST · 18051 days ago · 8 km deep · 25 km away

The first 60 of 199.

From the USGS Earthquake Hazards Program and its partner networks, event hv19770566. Read Tue, Sep 22, 2026, 10:31 PM UTC.