M2.3 earthquake 13 km S of Volcano, Hawaii

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Wed, Mar 16, 1977, 6:20 AM HST

UTC

1977-03-16 16:20:50 UTC

Depth

6.8 km (4.2 mi), shallow

Epicenter

19.319° N, 155.259° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

106°

Stations used

30

• Volcano, HawaiiPopulation 2,575. Forecast14 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast43 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast350 kmSE

After

1. 1.912 km S of Volcano, HawaiiWed, Mar 16, 5:04 PM HST · 18099 days ago · 6 km deep · 4 km away
2. 2.412 km SSE of Volcano, HawaiiWed, Mar 16, 6:33 PM HST · 18099 days ago · 6 km deep · 8 km away
3. 2.015 km S of Fern Forest, HawaiiWed, Mar 16, 11:56 PM HST · 18099 days ago · 8 km deep · 14 km away
4. 2.613 km SSE of Eden Roc, HawaiiThu, Mar 17, 4:18 AM HST · 18098 days ago · 9 km deep · 24 km away
5. 2.116 km SSE of Fern Forest, HawaiiThu, Mar 17, 5:31 AM HST · 18098 days ago · 5 km deep · 20 km away
6. 2.5Island of Hawaii, HawaiiThu, Mar 17, 7:04 AM HST · 18098 days ago · 32 km deep · 36 km away
7. 2.713 km SSE of Volcano, HawaiiThu, Mar 17, 7:31 AM HST · 18098 days ago · 7 km deep · 7 km away
8. 2.712 km SSE of Fern Forest, HawaiiThu, Mar 17, 10:40 PM HST · 18098 days ago · 8 km deep · 20 km away
9. 2.311 km SSE of Fern Forest, HawaiiFri, Mar 18, 1:23 AM HST · 18098 days ago · 7 km deep · 17 km away
10. 2.112 km SSE of Fern Forest, HawaiiFri, Mar 18, 2:33 AM HST · 18097 days ago · 7 km deep · 17 km away
11. 3.019 km WSW of Volcano, HawaiiFri, Mar 18, 4:56 AM HST · 18097 days ago · 9 km deep · 17 km away
12. 1.911 km SSE of Volcano, HawaiiFri, Mar 18, 5:19 AM HST · 18097 days ago · 9 km deep · 6 km away
13. 3.310 km SW of Volcano, HawaiiFri, Mar 18, 1:33 PM HST · 18097 days ago · 33 km deep · 6 km away
14. 2.67 km ESE of Leilani Estates, HawaiiSat, Mar 19, 12:26 AM HST · 18097 days ago · 10 km deep · 45 km away
15. 2.112 km SSE of Fern Forest, HawaiiSat, Mar 19, 12:20 PM HST · 18096 days ago · 7 km deep · 17 km away
16. 2.712 km SSE of Volcano, HawaiiSat, Mar 19, 12:48 PM HST · 18096 days ago · 8 km deep · 7 km away
17. 2.518 km N of P?hala, HawaiiSat, Mar 19, 1:43 PM HST · 18096 days ago · 7 km deep · 24 km away
18. 2.6Hawaii region, HawaiiSat, Mar 19, 7:14 PM HST · 18096 days ago · 21 km deep · 54 km away
19. 2.314 km SSE of Eden Roc, HawaiiSun, Mar 20, 12:36 AM HST · 18096 days ago · 6 km deep · 25 km away
20. 2.63 km S of Pa‘auilo, HawaiiSun, Mar 20, 12:44 AM HST · 18096 days ago · 9 km deep · 77 km away
21. 2.316 km SE of Fern Forest, HawaiiSun, Mar 20, 7:11 AM HST · 18095 days ago · 6 km deep · 25 km away
22. 3.424 km SSE of Waimea, HawaiiSun, Mar 20, 2:07 PM HST · 18095 days ago · 23 km deep · 65 km away
23. 2.213 km S of Volcano, HawaiiMon, Mar 21, 1:59 AM HST · 18095 days ago · 5 km deep · 1 km away
24. 3.413 km SSE of Fern Forest, HawaiiMon, Mar 21, 4:59 AM HST · 18094 days ago · 8 km deep · 21 km away
25. 2.522 km N of P?hala, HawaiiMon, Mar 21, 6:30 AM HST · 18094 days ago · 5 km deep · 26 km away
26. 2.114 km S of Volcano, HawaiiMon, Mar 21, 11:01 AM HST · 18094 days ago · 6 km deep · 1 km away
27. 2.99 km S of Volcano, HawaiiMon, Mar 21, 1:01 PM HST · 18094 days ago · 7 km deep · 5 km away
28. 2.514 km SSW of Volcano, HawaiiMon, Mar 21, 1:50 PM HST · 18094 days ago · 7 km deep · 0 km away
29. 2.54 km SE of Leilani Estates, HawaiiMon, Mar 21, 4:08 PM HST · 18094 days ago · 4 km deep · 42 km away
30. 2.518 km WSW of Volcano, HawaiiMon, Mar 21, 10:56 PM HST · 18094 days ago · 8 km deep · 18 km away
31. 2.212 km SSE of Fern Forest, HawaiiTue, Mar 22, 9:56 AM HST · 18093 days ago · 7 km deep · 16 km away
32. 2.012 km SSE of Fern Forest, HawaiiWed, Mar 23, 2:23 PM HST · 18092 days ago · 6 km deep · 16 km away
33. 2.513 km SSE of Volcano, HawaiiWed, Mar 23, 4:09 PM HST · 18092 days ago · 7 km deep · 7 km away
34. 2.512 km SSE of Volcano, HawaiiThu, Mar 24, 7:20 AM HST · 18091 days ago · 8 km deep · 8 km away
35. 2.910 km SSE of Fern Forest, HawaiiThu, Mar 24, 9:59 AM HST · 18091 days ago · 7 km deep · 16 km away
36. 3.514 km S of Fern Forest, HawaiiThu, Mar 24, 7:37 PM HST · 18091 days ago · 7 km deep · 13 km away
37. 3.020 km S of Volcano, HawaiiThu, Mar 24, 10:43 PM HST · 18091 days ago · 8 km deep · 9 km away
38. 2.613 km S of Fern Forest, HawaiiFri, Mar 25, 2:46 AM HST · 18090 days ago · 3 km deep · 13 km away
39. 2.9Island of Hawaii, HawaiiFri, Mar 25, 3:25 AM HST · 18090 days ago · 9 km deep · 8 km away
40. 2.717 km SW of Leilani Estates, HawaiiFri, Mar 25, 1:17 PM HST · 18090 days ago · 7 km deep · 26 km away
41. 3.018 km NE of P?hala, HawaiiFri, Mar 25, 4:48 PM HST · 18090 days ago · 9 km deep · 9 km away
42. 2.415 km S of Fern Forest, HawaiiFri, Mar 25, 8:14 PM HST · 18090 days ago · 8 km deep · 13 km away
43. 2.812 km NE of P?hala, HawaiiFri, Mar 25, 11:21 PM HST · 18090 days ago · 27 km deep · 14 km away
44. 2.314 km SSE of Volcano, HawaiiSat, Mar 26, 1:23 AM HST · 18090 days ago · 6 km deep · 8 km away
45. 2.014 km SSE of Volcano, HawaiiSat, Mar 26, 3:50 AM HST · 18089 days ago · 7 km deep · 7 km away
46. 2.818 km N of P?hala, HawaiiSat, Mar 26, 6:45 PM HST · 18089 days ago · 8 km deep · 24 km away
47. 2.513 km SSE of Fern Forest, HawaiiSat, Mar 26, 7:19 PM HST · 18089 days ago · 8 km deep · 19 km away
48. 2.411 km SSE of Fern Forest, HawaiiSat, Mar 26, 11:43 PM HST · 18089 days ago · 7 km deep · 16 km away
49. 3.710 km S of Volcano, HawaiiSun, Mar 27, 4:37 AM HST · 18088 days ago · 9 km deep · 4 km away
50. 3.014 km SSE of Fern Forest, HawaiiSun, Mar 27, 8:38 AM HST · 18088 days ago · 7 km deep · 20 km away
51. 2.817 km WSW of Volcano, HawaiiSun, Mar 27, 5:03 PM HST · 18088 days ago · 8 km deep · 17 km away
52. 2.712 km SSE of Fern Forest, HawaiiMon, Mar 28, 3:55 AM HST · 18087 days ago · 7 km deep · 19 km away
53. 2.511 km S of Volcano, HawaiiMon, Mar 28, 8:45 AM HST · 18087 days ago · 8 km deep · 5 km away
54. 2.63 km WNW of P?hala, HawaiiMon, Mar 28, 2:31 PM HST · 18087 days ago · 4 km deep · 29 km away
55. 2.312 km S of Volcano, HawaiiMon, Mar 28, 11:53 PM HST · 18087 days ago · 7 km deep · 5 km away
56. 3.212 km NNW of Wai‘?hinu, HawaiiTue, Mar 29, 12:56 PM HST · 18086 days ago · 7 km deep · 46 km away
57. 2.414 km S of Fern Forest, HawaiiTue, Mar 29, 4:15 PM HST · 18086 days ago · 8 km deep · 12 km away
58. 3.62 km W of Kalaoa, HawaiiWed, Mar 30, 3:17 PM HST · 18085 days ago · 7 km deep · 91 km away
59. 2.212 km SSE of Fern Forest, HawaiiThu, Mar 31, 7:34 PM HST · 18084 days ago · 5 km deep · 20 km away
60. 2.015 km S of Fern Forest, HawaiiFri, Apr 1, 2:31 AM HST · 18083 days ago · 5 km deep · 13 km away

The first 60 of 198.

Before

1. 2.918 km W of Volcano, HawaiiTue, Mar 15, 10:18 PM HST · 18100 days ago · 7 km deep · 20 km away
2. 1.913 km SSW of Volcano, HawaiiTue, Mar 15, 6:55 AM HST · 18100 days ago · 7 km deep · 1 km away
3. 2.211 km S of Volcano, HawaiiTue, Mar 15, 5:35 AM HST · 18100 days ago · 8 km deep · 5 km away
4. 2.814 km SSE of Volcano, HawaiiTue, Mar 15, 2:52 AM HST · 18100 days ago · 8 km deep · 7 km away
5. 3.114 km SSE of Volcano, HawaiiTue, Mar 15, 2:44 AM HST · 18100 days ago · 9 km deep · 7 km away
6. 2.726 km ESE of Naalehu, HawaiiMon, Mar 14, 8:42 AM HST · 18101 days ago · 24 km deep · 42 km away
7. 2.313 km S of Volcano, HawaiiSun, Mar 13, 7:02 PM HST · 18102 days ago · 8 km deep · 4 km away
8. 2.014 km S of Volcano, HawaiiSun, Mar 13, 12:56 PM HST · 18102 days ago · 6 km deep · 5 km away
9. 2.715 km SSE of Fern Forest, HawaiiSun, Mar 13, 6:40 AM HST · 18102 days ago · 8 km deep · 17 km away
10. 3.214 km S of Volcano, HawaiiSun, Mar 13, 4:13 AM HST · 18102 days ago · 8 km deep · 4 km away
11. 2.812 km W of Volcano, HawaiiSat, Mar 12, 11:00 PM HST · 18103 days ago · 7 km deep · 18 km away
12. 2.612 km S of Volcano, HawaiiSat, Mar 12, 7:34 PM HST · 18103 days ago · 8 km deep · 5 km away
13. 2.214 km S of Volcano, HawaiiSat, Mar 12, 6:58 PM HST · 18103 days ago · 8 km deep · 1 km away
14. 2.114 km SSE of Eden Roc, HawaiiSat, Mar 12, 4:04 PM HST · 18103 days ago · 8 km deep · 24 km away
15. 2.912 km S of Volcano, HawaiiSat, Mar 12, 10:51 AM HST · 18103 days ago · 9 km deep · 5 km away
16. 3.115 km S of Fern Forest, HawaiiSat, Mar 12, 12:40 AM HST · 18104 days ago · 9 km deep · 13 km away
17. 2.312 km SSE of Fern Forest, HawaiiFri, Mar 11, 2:32 PM HST · 18104 days ago · 7 km deep · 17 km away
18. 2.113 km NE of P?hala, HawaiiFri, Mar 11, 7:48 AM HST · 18104 days ago · 2 km deep · 14 km away
19. 3.113 km S of Fern Forest, HawaiiThu, Mar 10, 5:03 PM HST · 18105 days ago · 9 km deep · 14 km away
20. 2.414 km ESE of Leilani Estates, HawaiiThu, Mar 10, 12:48 PM HST · 18105 days ago · 10 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19770539. Read Sun, Oct 4, 2026, 11:36 PM UTC.