M1.9 earthquake 23 km W of Volcano, Hawaii

Magnitude

1.9 (ml), micro

Local time

Mon, Dec 23, 1985, 9:34 PM HST

UTC

1985-12-24 07:34:47 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

19.430° N, 155.457° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

56°

Stations used

27

• Volcano, HawaiiPopulation 2,575. Forecast23 kmW
• Hilo, HawaiiPopulation 43,263. Forecast51 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast326 kmSE

After

1. 1.818 km N of P?hala, HawaiiMon, Dec 23, 10:28 PM HST · 14890 days ago · 8 km deep · 7 km away
2. 1.925 km SE of Waimea, HawaiiTue, Dec 24, 5:58 AM HST · 14890 days ago · 9 km deep · 45 km away
3. 2.914 km S of Fern Forest, HawaiiTue, Dec 24, 2:00 PM HST · 14889 days ago · 8 km deep · 36 km away
4. 3.34 km NW of P?hala, HawaiiTue, Dec 24, 11:38 PM HST · 14889 days ago · 9 km deep · 23 km away
5. 1.92 km ESE of P?hala, HawaiiWed, Dec 25, 3:16 AM HST · 14889 days ago · 6 km deep · 26 km away
6. 1.9Island of Hawaii, HawaiiWed, Dec 25, 5:10 AM HST · 14889 days ago · 6 km deep · 48 km away
7. 2.213 km SSE of Eden Roc, HawaiiWed, Dec 25, 6:35 AM HST · 14889 days ago · 7 km deep · 44 km away
8. 2.414 km S of Waikoloa, HawaiiWed, Dec 25, 11:23 AM HST · 14888 days ago · 37 km deep · 54 km away
9. 1.710 km WSW of Volcano, HawaiiWed, Dec 25, 2:22 PM HST · 14888 days ago · 5 km deep · 14 km away
10. 2.310 km SW of Kailua-Kona, HawaiiWed, Dec 25, 5:16 PM HST · 14888 days ago · 43 km deep · 67 km away
11. 1.89 km WSW of Volcano, HawaiiWed, Dec 25, 10:55 PM HST · 14888 days ago · 5 km deep · 14 km away
12. 2.88 km WSW of P?hala, HawaiiThu, Dec 26, 6:28 AM HST · 14888 days ago · 6 km deep · 30 km away
13. 2.611 km SSE of Volcano, HawaiiThu, Dec 26, 9:54 AM HST · 14887 days ago · 8 km deep · 28 km away
14. 1.610 km N of P?hala, HawaiiFri, Dec 27, 12:42 AM HST · 14887 days ago · 5 km deep · 15 km away
15. 1.614 km S of Volcano, HawaiiFri, Dec 27, 2:53 PM HST · 14886 days ago · 6 km deep · 27 km away
16. 1.922 km ESE of Naalehu, HawaiiFri, Dec 27, 3:49 PM HST · 14886 days ago · 35 km deep · 46 km away
17. 2.023 km WNW of Volcano, HawaiiFri, Dec 27, 4:09 PM HST · 14886 days ago · 11 km deep · 7 km away
18. 1.912 km SSE of Volcano, HawaiiSat, Dec 28, 10:35 AM HST · 14885 days ago · 6 km deep · 30 km away
19. 1.717 km NE of P?hala, HawaiiSat, Dec 28, 12:26 PM HST · 14885 days ago · 7 km deep · 19 km away
20. 2.14 km E of Leilani Estates, HawaiiSat, Dec 28, 1:10 PM HST · 14885 days ago · 4 km deep · 61 km away
21. 2.25 km NE of Puako, HawaiiSat, Dec 28, 4:57 PM HST · 14885 days ago · 6 km deep · 74 km away
22. 1.917 km W of Volcano, HawaiiSat, Dec 28, 8:33 PM HST · 14885 days ago · 8 km deep · 6 km away
23. 1.817 km S of Volcano, HawaiiSun, Dec 29, 9:47 AM HST · 14884 days ago · 6 km deep · 30 km away
24. 1.9Island of Hawaii, HawaiiMon, Dec 30, 12:36 AM HST · 14884 days ago · 2 km deep · 22 km away
25. 1.915 km S of Volcano, HawaiiMon, Dec 30, 1:58 AM HST · 14884 days ago · 5 km deep · 29 km away
26. 1.67 km NNW of P?hala, HawaiiMon, Dec 30, 8:52 AM HST · 14883 days ago · 8 km deep · 18 km away
27. 1.513 km SSE of Volcano, HawaiiMon, Dec 30, 2:48 PM HST · 14883 days ago · 5 km deep · 30 km away
28. 1.913 km SSE of Volcano, HawaiiMon, Dec 30, 2:57 PM HST · 14883 days ago · 7 km deep · 30 km away
29. 2.05 km SSW of Volcano, HawaiiTue, Dec 31, 4:36 AM HST · 14883 days ago · 2 km deep · 21 km away
30. 2.110 km WSW of Volcano, HawaiiTue, Dec 31, 10:02 AM HST · 14882 days ago · 2 km deep · 13 km away
31. 2.610 km WSW of Volcano, HawaiiTue, Dec 31, 10:02 AM HST · 14882 days ago · 2 km deep · 13 km away
32. 2.110 km W of Volcano, HawaiiTue, Dec 31, 10:05 AM HST · 14882 days ago · 3 km deep · 13 km away
33. 2.310 km WSW of Volcano, HawaiiTue, Dec 31, 10:18 AM HST · 14882 days ago · 2 km deep · 13 km away
34. 3.010 km W of Volcano, HawaiiTue, Dec 31, 10:18 AM HST · 14882 days ago · 2 km deep · 14 km away
35. 2.210 km WSW of Volcano, HawaiiTue, Dec 31, 10:26 AM HST · 14882 days ago · 1 km deep · 13 km away
36. 2.19 km W of Volcano, HawaiiTue, Dec 31, 10:41 AM HST · 14882 days ago · 2 km deep · 14 km away
37. 2.79 km W of Volcano, HawaiiTue, Dec 31, 12:07 PM HST · 14882 days ago · 3 km deep · 14 km away
38. 1.810 km W of Volcano, HawaiiTue, Dec 31, 12:28 PM HST · 14882 days ago · 1 km deep · 14 km away
39. 3.39 km WSW of Volcano, HawaiiTue, Dec 31, 1:35 PM HST · 14882 days ago · 3 km deep · 14 km away
40. 2.010 km WSW of Volcano, HawaiiTue, Dec 31, 1:52 PM HST · 14882 days ago · 1 km deep · 13 km away
41. 1.810 km WSW of Volcano, HawaiiTue, Dec 31, 2:00 PM HST · 14882 days ago · 2 km deep · 14 km away
42. 2.89 km WSW of Volcano, HawaiiTue, Dec 31, 2:07 PM HST · 14882 days ago · 5 km deep · 14 km away
43. 2.19 km W of Volcano, HawaiiTue, Dec 31, 3:23 PM HST · 14882 days ago · 1 km deep · 14 km away
44. 3.09 km WSW of Volcano, HawaiiTue, Dec 31, 3:33 PM HST · 14882 days ago · 5 km deep · 14 km away
45. 2.19 km WSW of Volcano, HawaiiTue, Dec 31, 3:37 PM HST · 14882 days ago · 3 km deep · 14 km away
46. 2.09 km WSW of Volcano, HawaiiTue, Dec 31, 4:11 PM HST · 14882 days ago · 4 km deep · 15 km away
47. 1.99 km WSW of Volcano, HawaiiTue, Dec 31, 4:13 PM HST · 14882 days ago · 3 km deep · 14 km away
48. 2.29 km WSW of Volcano, HawaiiTue, Dec 31, 4:17 PM HST · 14882 days ago · 3 km deep · 14 km away
49. 2.69 km WSW of Volcano, HawaiiTue, Dec 31, 4:27 PM HST · 14882 days ago · 5 km deep · 15 km away
50. 2.19 km WSW of Volcano, HawaiiTue, Dec 31, 4:47 PM HST · 14882 days ago · 4 km deep · 14 km away
51. 2.19 km WSW of Volcano, HawaiiTue, Dec 31, 5:55 PM HST · 14882 days ago · 3 km deep · 14 km away
52. 2.19 km WSW of Volcano, HawaiiTue, Dec 31, 6:08 PM HST · 14882 days ago · 3 km deep · 14 km away
53. 2.010 km W of Volcano, HawaiiTue, Dec 31, 6:13 PM HST · 14882 days ago · 0 km deep · 13 km away
54. 2.69 km WSW of Volcano, HawaiiTue, Dec 31, 7:46 PM HST · 14882 days ago · 3 km deep · 14 km away
55. 1.8Island of Hawaii, HawaiiWed, Jan 1, 2:10 AM HST · 14882 days ago · 1 km deep · 13 km away
56. 2.025 km ESE of Honaunau-Napoopoo, HawaiiWed, Jan 1, 4:41 PM HST · 14881 days ago · -4 km deep · 18 km away
57. 2.05 km SSW of Volcano, HawaiiWed, Jan 1, 8:20 PM HST · 14881 days ago · 2 km deep · 21 km away
58. 1.79 km W of Volcano, HawaiiWed, Jan 1, 9:10 PM HST · 14881 days ago · 5 km deep · 14 km away
59. 1.628 km SSE of Waimea, HawaiiThu, Jan 2, 3:56 AM HST · 14881 days ago · 7 km deep · 42 km away
60. 2.122 km W of Volcano, HawaiiThu, Jan 2, 4:09 AM HST · 14881 days ago · -1 km deep · 5 km away

The first 60 of 198.

Before

1. 1.922 km SSW of Leilani Estates, HawaiiMon, Dec 23, 9:21 AM HST · 14890 days ago · 38 km deep · 49 km away
2. 1.616 km SW of Leilani Estates, HawaiiMon, Dec 23, 6:46 AM HST · 14890 days ago · 6 km deep · 48 km away
3. 3.216 km SW of Leilani Estates, HawaiiMon, Dec 23, 6:38 AM HST · 14890 days ago · 8 km deep · 48 km away
4. 2.58 km WSW of P?hala, HawaiiSun, Dec 22, 9:31 PM HST · 14891 days ago · 5 km deep · 29 km away
5. 1.524 km N of P?hala, HawaiiSun, Dec 22, 5:38 PM HST · 14891 days ago · 6 km deep · 4 km away
6. 1.823 km N of P?hala, HawaiiSun, Dec 22, 1:22 AM HST · 14892 days ago · 7 km deep · 3 km away
7. 1.6Hawaii region, HawaiiSat, Dec 21, 3:59 PM HST · 14892 days ago · 5 km deep · 51 km away
8. 2.312 km SSE of Volcano, HawaiiSat, Dec 21, 11:09 AM HST · 14892 days ago · 7 km deep · 30 km away
9. 2.617 km N of P?hala, HawaiiSat, Dec 21, 9:10 AM HST · 14892 days ago · 8 km deep · 8 km away
10. 2.1Island of Hawaii, HawaiiSat, Dec 21, 5:37 AM HST · 14893 days ago · 7 km deep · 36 km away
11. 2.317 km N of P?hala, HawaiiSat, Dec 21, 2:42 AM HST · 14893 days ago · 7 km deep · 10 km away
12. 1.68 km SE of Volcano, HawaiiFri, Dec 20, 9:31 PM HST · 14893 days ago · 0 km deep · 29 km away
13. 1.919 km W of Volcano, HawaiiFri, Dec 20, 5:17 PM HST · 14893 days ago · 3 km deep · 4 km away
14. 1.512 km SSE of Volcano, HawaiiFri, Dec 20, 5:04 AM HST · 14894 days ago · 8 km deep · 30 km away
15. 1.625 km W of Volcano, HawaiiFri, Dec 20, 4:49 AM HST · 14894 days ago · 7 km deep · 2 km away
16. 1.612 km SSE of Volcano, HawaiiThu, Dec 19, 7:24 PM HST · 14894 days ago · 7 km deep · 30 km away
17. 1.714 km S of Volcano, HawaiiThu, Dec 19, 7:04 AM HST · 14894 days ago · 4 km deep · 28 km away
18. 1.626 km N of P?hala, HawaiiWed, Dec 18, 7:43 PM HST · 14895 days ago · 0 km deep · 5 km away
19. 1.88 km NNE of P?hala, HawaiiWed, Dec 18, 8:01 AM HST · 14895 days ago · 7 km deep · 17 km away
20. 1.810 km NW of Wai‘?hinu, HawaiiWed, Dec 18, 4:57 AM HST · 14896 days ago · 4 km deep · 38 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19851979. Read Wed, Sep 30, 2026, 4:06 AM UTC.