M2.1 earthquake 12 km W of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Wed, May 10, 1978, 12:45 PM HST

UTC

1978-05-10 22:45:32 UTC

Depth

4.5 km (2.8 mi), shallow

Epicenter

19.437° N, 155.353° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.4 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

42°

Stations used

20

• Volcano, HawaiiPopulation 2,575. Forecast13 kmW
• Hilo, HawaiiPopulation 43,263. Forecast43 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast334 kmSE

After

1. 2.25 km SSW of Volcano, HawaiiWed, May 10, 1:19 PM HST · 17677 days ago · 2 km deep · 11 km away
2. 3.516 km S of Fern Forest, HawaiiWed, May 10, 2:23 PM HST · 17677 days ago · 8 km deep · 29 km away
3. 2.4Island of Hawaii, HawaiiWed, May 10, 2:29 PM HST · 17677 days ago · 6 km deep · 28 km away
4. 2.919 km W of Volcano, HawaiiWed, May 10, 10:05 PM HST · 17676 days ago · 9 km deep · 7 km away
5. 2.39 km SSE of Leilani Estates, HawaiiThu, May 11, 1:28 AM HST · 17676 days ago · 10 km deep · 51 km away
6. 2.212 km SSE of Volcano, HawaiiFri, May 12, 4:58 AM HST · 17675 days ago · 7 km deep · 21 km away
7. 2.116 km SE of Fern Forest, HawaiiFri, May 12, 5:11 AM HST · 17675 days ago · 7 km deep · 35 km away
8. 2.816 km SSE of Fern Forest, HawaiiFri, May 12, 5:16 AM HST · 17675 days ago · 8 km deep · 33 km away
9. 2.911 km WNW of P?hala, HawaiiFri, May 12, 1:54 PM HST · 17675 days ago · 7 km deep · 34 km away
10. 2.412 km SSE of Fern Forest, HawaiiSat, May 13, 4:45 AM HST · 17674 days ago · 5 km deep · 28 km away
11. 2.014 km SE of Volcano, HawaiiSat, May 13, 4:53 AM HST · 17674 days ago · 5 km deep · 24 km away
12. 2.16 km SSW of Volcano, HawaiiSat, May 13, 7:32 AM HST · 17674 days ago · 2 km deep · 11 km away
13. 2.16 km SSW of Volcano, HawaiiSat, May 13, 7:34 AM HST · 17674 days ago · 2 km deep · 11 km away
14. 2.56 km SSW of Volcano, HawaiiSat, May 13, 7:49 AM HST · 17674 days ago · 1 km deep · 11 km away
15. 2.46 km SSW of Volcano, HawaiiSat, May 13, 9:07 AM HST · 17674 days ago · 2 km deep · 11 km away
16. 3.07 km ESE of Waimea, HawaiiSat, May 13, 10:09 AM HST · 17674 days ago · 8 km deep · 68 km away
17. 2.414 km SSE of Volcano, HawaiiSun, May 14, 3:21 AM HST · 17673 days ago · 8 km deep · 22 km away
18. 2.3Island of Hawaii, HawaiiSun, May 14, 10:39 AM HST · 17673 days ago · 14 km deep · 10 km away
19. 2.214 km SSE of Volcano, HawaiiSun, May 14, 5:46 PM HST · 17673 days ago · 6 km deep · 22 km away
20. 2.63 km SE of Honaunau-Napoopoo, HawaiiMon, May 15, 1:47 AM HST · 17672 days ago · 5 km deep · 52 km away
21. 2.714 km S of Fern Forest, HawaiiMon, May 15, 3:07 AM HST · 17672 days ago · 7 km deep · 28 km away
22. 2.912 km SSE of Fern Forest, HawaiiMon, May 15, 3:36 AM HST · 17672 days ago · 8 km deep · 29 km away
23. 2.914 km SSE of Fern Forest, HawaiiMon, May 15, 3:41 AM HST · 17672 days ago · 8 km deep · 29 km away
24. 2.015 km S of Fern Forest, HawaiiMon, May 15, 1:37 PM HST · 17672 days ago · 5 km deep · 26 km away
25. 2.416 km S of Fern Forest, HawaiiMon, May 15, 8:34 PM HST · 17671 days ago · 8 km deep · 29 km away
26. 2.713 km SSE of Volcano, HawaiiTue, May 16, 4:18 AM HST · 17671 days ago · 6 km deep · 21 km away
27. 2.115 km S of Fern Forest, HawaiiTue, May 16, 4:56 AM HST · 17671 days ago · 7 km deep · 28 km away
28. 2.115 km S of Fern Forest, HawaiiTue, May 16, 11:09 AM HST · 17671 days ago · 4 km deep · 27 km away
29. 2.26 km NNW of Volcano, HawaiiTue, May 16, 5:24 PM HST · 17671 days ago · 9 km deep · 13 km away
30. 2.114 km SSE of Fern Forest, HawaiiTue, May 16, 6:05 PM HST · 17671 days ago · 6 km deep · 29 km away
31. 2.013 km SSE of Volcano, HawaiiTue, May 16, 7:51 PM HST · 17670 days ago · 6 km deep · 21 km away
32. 2.112 km SSE of Volcano, HawaiiTue, May 16, 10:35 PM HST · 17670 days ago · 6 km deep · 20 km away
33. 2.817 km N of P?hala, HawaiiWed, May 17, 12:49 AM HST · 17670 days ago · 4 km deep · 18 km away
34. 2.317 km N of P?hala, HawaiiWed, May 17, 10:28 AM HST · 17670 days ago · 6 km deep · 18 km away
35. 2.611 km SSE of Volcano, HawaiiWed, May 17, 11:48 AM HST · 17670 days ago · 34 km deep · 19 km away
36. 2.114 km S of Fern Forest, HawaiiWed, May 17, 4:58 PM HST · 17670 days ago · 8 km deep · 26 km away
37. 2.025 km W of Volcano, HawaiiWed, May 17, 10:13 PM HST · 17669 days ago · 4 km deep · 13 km away
38. 3.015 km N of Kalaoa, HawaiiThu, May 18, 11:55 AM HST · 17669 days ago · 33 km deep · 80 km away
39. 1.99 km SW of Hilo, HawaiiThu, May 18, 12:15 PM HST · 17669 days ago · 1 km deep · 33 km away
40. 2.36 km ESE of Leilani Estates, HawaiiThu, May 18, 4:21 PM HST · 17669 days ago · 8 km deep · 52 km away
41. 2.418 km S of Volcano, HawaiiThu, May 18, 6:14 PM HST · 17669 days ago · 10 km deep · 22 km away
42. 2.519 km S of Volcano, HawaiiThu, May 18, 6:28 PM HST · 17669 days ago · 10 km deep · 24 km away
43. 2.117 km S of Volcano, HawaiiThu, May 18, 6:33 PM HST · 17669 days ago · 9 km deep · 22 km away
44. 2.414 km SSE of Fern Forest, HawaiiThu, May 18, 8:07 PM HST · 17668 days ago · 7 km deep · 28 km away
45. 2.117 km S of Volcano, HawaiiThu, May 18, 8:51 PM HST · 17668 days ago · 9 km deep · 22 km away
46. 2.216 km S of Volcano, HawaiiThu, May 18, 8:52 PM HST · 17668 days ago · 9 km deep · 21 km away
47. 2.415 km SSE of Fern Forest, HawaiiThu, May 18, 9:03 PM HST · 17668 days ago · 6 km deep · 29 km away
48. 2.111 km SSE of Volcano, HawaiiThu, May 18, 9:45 PM HST · 17668 days ago · 7 km deep · 20 km away
49. 2.611 km SE of Fern Forest, HawaiiThu, May 18, 11:32 PM HST · 17668 days ago · 7 km deep · 30 km away
50. 2.220 km W of Volcano, HawaiiFri, May 19, 2:44 AM HST · 17668 days ago · 10 km deep · 8 km away
51. 2.719 km NNE of P?hala, HawaiiFri, May 19, 7:22 AM HST · 17668 days ago · 9 km deep · 10 km away
52. 2.0Island of Hawaii, HawaiiFri, May 19, 9:50 AM HST · 17668 days ago · 6 km deep · 21 km away
53. 3.012 km NNE of P?hala, HawaiiFri, May 19, 10:59 AM HST · 17668 days ago · 9 km deep · 17 km away
54. 1.93 km N of Naalehu, HawaiiFri, May 19, 12:09 PM HST · 17668 days ago · 58 km deep · 44 km away
55. 1.912 km SSE of Volcano, HawaiiFri, May 19, 2:53 PM HST · 17668 days ago · 6 km deep · 20 km away
56. 2.06 km ESE of Leilani Estates, HawaiiSat, May 20, 2:09 AM HST · 17667 days ago · 5 km deep · 52 km away
57. 2.013 km S of Fern Forest, HawaiiSat, May 20, 2:43 AM HST · 17667 days ago · 7 km deep · 26 km away
58. 2.27 km SW of Volcano, HawaiiSat, May 20, 3:44 AM HST · 17667 days ago · 2 km deep · 9 km away
59. 2.112 km SSE of Fern Forest, HawaiiSat, May 20, 4:21 AM HST · 17667 days ago · 7 km deep · 28 km away
60. 2.014 km S of Volcano, HawaiiSat, May 20, 5:48 AM HST · 17667 days ago · 7 km deep · 19 km away

The first 60 of 200.

Before

1. 2.217 km SSW of Leilani Estates, HawaiiWed, May 10, 11:23 AM HST · 17677 days ago · 2 km deep · 40 km away
2. 3.113 km SSE of Fern Forest, HawaiiWed, May 10, 2:40 AM HST · 17677 days ago · 9 km deep · 30 km away
3. 2.912 km SSE of Volcano, HawaiiTue, May 9, 6:46 PM HST · 17677 days ago · 7 km deep · 20 km away
4. 2.319 km WSW of Volcano, HawaiiTue, May 9, 5:37 PM HST · 17678 days ago · 9 km deep · 9 km away
5. 2.117 km SW of Leilani Estates, HawaiiTue, May 9, 12:28 PM HST · 17678 days ago · 6 km deep · 36 km away
6. 2.414 km SSE of Fern Forest, HawaiiTue, May 9, 4:37 AM HST · 17678 days ago · 3 km deep · 28 km away
7. 2.112 km SE of Fern Forest, HawaiiMon, May 8, 12:11 AM HST · 17679 days ago · 8 km deep · 31 km away
8. 2.112 km SSE of Fern Forest, HawaiiSun, May 7, 5:33 PM HST · 17680 days ago · 7 km deep · 29 km away
9. 2.46 km SSW of P?hala, HawaiiSun, May 7, 1:08 PM HST · 17680 days ago · 9 km deep · 36 km away
10. 2.714 km S of Volcano, HawaiiSun, May 7, 12:40 PM HST · 17680 days ago · 5 km deep · 20 km away
11. 2.013 km SSE of Fern Forest, HawaiiSun, May 7, 9:35 AM HST · 17680 days ago · 5 km deep · 28 km away
12. 2.211 km SSE of Volcano, HawaiiSun, May 7, 5:36 AM HST · 17680 days ago · 8 km deep · 19 km away
13. 2.28 km S of Volcano, HawaiiSun, May 7, 12:19 AM HST · 17680 days ago · 10 km deep · 15 km away
14. 3.421 km W of Volcano, HawaiiSat, May 6, 8:12 AM HST · 17681 days ago · 8 km deep · 9 km away
15. 2.212 km SW of Laup?hoehoe, HawaiiSat, May 6, 3:16 AM HST · 17681 days ago · 9 km deep · 53 km away
16. 2.412 km S of P?hala, HawaiiSat, May 6, 2:20 AM HST · 17681 days ago · 27 km deep · 40 km away
17. 2.18 km ESE of Leilani Estates, HawaiiFri, May 5, 4:55 PM HST · 17682 days ago · 9 km deep · 53 km away
18. 2.113 km SSE of Eden Roc, HawaiiThu, May 4, 9:02 PM HST · 17682 days ago · 11 km deep · 34 km away
19. 2.115 km S of Fern Forest, HawaiiThu, May 4, 7:43 PM HST · 17682 days ago · 7 km deep · 27 km away
20. 2.319 km WSW of Volcano, HawaiiThu, May 4, 7:26 PM HST · 17682 days ago · 8 km deep · 9 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19780772. Read Fri, Oct 2, 2026, 4:09 PM UTC.