M2.1 earthquake 23 km WNW of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Wed, Sep 25, 1985, 12:38 AM HST

UTC

1985-09-25 10:38:30 UTC

Depth

2.6 km (1.6 mi), shallow

Epicenter

19.488° N, 155.457° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.5 km in depth

Magnitude uncertainty

±0.02

Depth from

From location

Station coverage gap

62°

Stations used

35

• Volcano, HawaiiPopulation 2,575. Forecast24 kmWNW
• Hilo, HawaiiPopulation 43,263. Forecast47 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast322 kmSE

After

1. 2.05 km SSW of Volcano, HawaiiWed, Sep 25, 12:51 AM HST · 14981 days ago · 2 km deep · 23 km away
2. 1.76 km SSW of Volcano, HawaiiWed, Sep 25, 5:12 AM HST · 14981 days ago · 2 km deep · 23 km away
3. 2.36 km SSW of Volcano, HawaiiWed, Sep 25, 7:34 AM HST · 14981 days ago · 2 km deep · 23 km away
4. 1.818 km NNE of P?hala, HawaiiThu, Sep 26, 12:04 AM HST · 14980 days ago · 8 km deep · 14 km away
5. 2.1Island of Hawaii, HawaiiThu, Sep 26, 12:27 PM HST · 14980 days ago · 8 km deep · 12 km away
6. 1.616 km SSE of Fern Forest, HawaiiThu, Sep 26, 7:45 PM HST · 14979 days ago · 6 km deep · 45 km away
7. 2.111 km SW of Volcano, HawaiiFri, Sep 27, 11:38 AM HST · 14979 days ago · 30 km deep · 21 km away
8. 1.839 km NW of Kalaoa, HawaiiFri, Sep 27, 12:07 PM HST · 14979 days ago · 35 km deep · 98 km away
9. 1.911 km SSE of Volcano, HawaiiSat, Sep 28, 3:08 AM HST · 14978 days ago · 7 km deep · 30 km away
10. 2.226 km W of Volcano, HawaiiSat, Sep 28, 6:12 AM HST · 14978 days ago · 7 km deep · 5 km away
11. 1.718 km NNE of P?hala, HawaiiSat, Sep 28, 10:51 PM HST · 14977 days ago · 8 km deep · 16 km away
12. 2.725 km SW of Laup?hoehoe, HawaiiMon, Sep 30, 7:28 PM HST · 14975 days ago · 22 km deep · 36 km away
13. 1.715 km S of Volcano, HawaiiMon, Sep 30, 9:33 PM HST · 14975 days ago · 5 km deep · 29 km away
14. 1.613 km SE of Fern Forest, HawaiiTue, Oct 1, 3:33 AM HST · 14975 days ago · 6 km deep · 45 km away
15. 1.716 km SW of Volcano, HawaiiTue, Oct 1, 7:56 AM HST · 14975 days ago · 8 km deep · 19 km away
16. 1.614 km SSE of Volcano, HawaiiTue, Oct 1, 9:52 AM HST · 14975 days ago · 6 km deep · 35 km away
17. 1.824 km N of P?hala, HawaiiTue, Oct 1, 2:34 PM HST · 14974 days ago · 6 km deep · 7 km away
18. 1.69 km WSW of Volcano, HawaiiTue, Oct 1, 4:28 PM HST · 14974 days ago · 6 km deep · 17 km away
19. 1.812 km NE of P?hala, HawaiiTue, Oct 1, 9:32 PM HST · 14974 days ago · 6 km deep · 25 km away
20. 1.715 km S of Volcano, HawaiiTue, Oct 1, 11:02 PM HST · 14974 days ago · 7 km deep · 29 km away
21. 1.812 km SW of Volcano, HawaiiWed, Oct 2, 1:19 PM HST · 14974 days ago · 2 km deep · 22 km away
22. 1.915 km S of Volcano, HawaiiWed, Oct 2, 11:17 PM HST · 14973 days ago · 8 km deep · 31 km away
23. 1.515 km S of Fern Forest, HawaiiWed, Oct 2, 11:38 PM HST · 14973 days ago · 5 km deep · 38 km away
24. 1.814 km N of P?hala, HawaiiThu, Oct 3, 6:10 AM HST · 14973 days ago · 8 km deep · 17 km away
25. 3.727 km SE of Waikoloa, HawaiiThu, Oct 3, 6:12 AM HST · 14973 days ago · 13 km deep · 35 km away
26. 2.226 km SE of Waikoloa, HawaiiThu, Oct 3, 10:17 AM HST · 14973 days ago · 12 km deep · 36 km away
27. 1.515 km N of P?hala, HawaiiFri, Oct 4, 3:24 AM HST · 14972 days ago · 9 km deep · 16 km away
28. 3.011 km S of Volcano, HawaiiFri, Oct 4, 10:25 AM HST · 14972 days ago · 31 km deep · 29 km away
29. 2.615 km SE of Waimea, HawaiiFri, Oct 4, 11:22 AM HST · 14972 days ago · 33 km deep · 50 km away
30. 2.9Island of Hawaii, HawaiiFri, Oct 4, 5:37 PM HST · 14971 days ago · 32 km deep · 28 km away
31. 1.615 km SW of Leilani Estates, HawaiiFri, Oct 4, 7:53 PM HST · 14971 days ago · 6 km deep · 48 km away
32. 1.96 km NNW of P?hala, HawaiiSat, Oct 5, 3:39 AM HST · 14971 days ago · 9 km deep · 26 km away
33. 1.912 km N of P?hala, HawaiiSat, Oct 5, 11:53 AM HST · 14971 days ago · 7 km deep · 20 km away
34. 1.614 km SE of Fern Forest, HawaiiSun, Oct 6, 12:42 AM HST · 14970 days ago · 7 km deep · 46 km away
35. 2.113 km SSE of Volcano, HawaiiSun, Oct 6, 5:38 AM HST · 14970 days ago · 7 km deep · 34 km away
36. 1.720 km NNE of P?hala, HawaiiSun, Oct 6, 5:57 AM HST · 14970 days ago · 9 km deep · 13 km away
37. 1.716 km S of Volcano, HawaiiSun, Oct 6, 8:19 AM HST · 14970 days ago · 6 km deep · 34 km away
38. 1.824 km N of P?hala, HawaiiSun, Oct 6, 8:24 AM HST · 14970 days ago · 7 km deep · 8 km away
39. 2.016 km S of Volcano, HawaiiSun, Oct 6, 3:35 PM HST · 14969 days ago · 5 km deep · 33 km away
40. 1.817 km S of Volcano, HawaiiSun, Oct 6, 3:37 PM HST · 14969 days ago · 7 km deep · 34 km away
41. 1.518 km S of Volcano, HawaiiSun, Oct 6, 5:41 PM HST · 14969 days ago · 5 km deep · 34 km away
42. 1.819 km S of Volcano, HawaiiSun, Oct 6, 5:45 PM HST · 14969 days ago · 7 km deep · 35 km away
43. 1.917 km S of Volcano, HawaiiSun, Oct 6, 7:36 PM HST · 14969 days ago · 4 km deep · 34 km away
44. 1.712 km SSE of Volcano, HawaiiSun, Oct 6, 8:44 PM HST · 14969 days ago · 7 km deep · 34 km away
45. 1.7Island of Hawaii, HawaiiMon, Oct 7, 11:06 AM HST · 14969 days ago · 5 km deep · 34 km away
46. 1.915 km SW of Leilani Estates, HawaiiMon, Oct 7, 1:19 PM HST · 14969 days ago · 7 km deep · 49 km away
47. 2.913 km S of Volcano, HawaiiMon, Oct 7, 3:24 PM HST · 14968 days ago · 8 km deep · 28 km away
48. 1.915 km S of Fern Forest, HawaiiMon, Oct 7, 4:43 PM HST · 14968 days ago · 5 km deep · 38 km away
49. 1.615 km S of Volcano, HawaiiMon, Oct 7, 11:34 PM HST · 14968 days ago · 6 km deep · 30 km away
50. 1.8Island of Hawaii, HawaiiTue, Oct 8, 2:52 AM HST · 14968 days ago · 0 km deep · 37 km away
51. 1.924 km S of Volcano, HawaiiTue, Oct 8, 3:08 AM HST · 14968 days ago · 0 km deep · 39 km away
52. 1.617 km S of Volcano, HawaiiTue, Oct 8, 9:30 AM HST · 14968 days ago · 5 km deep · 34 km away
53. 1.613 km SW of Volcano, HawaiiTue, Oct 8, 12:09 PM HST · 14968 days ago · 9 km deep · 18 km away
54. 1.521 km N of P?hala, HawaiiTue, Oct 8, 1:26 PM HST · 14968 days ago · 8 km deep · 10 km away
55. 2.917 km SSE of Volcano, HawaiiTue, Oct 8, 1:48 PM HST · 14968 days ago · 2 km deep · 35 km away
56. 2.113 km SW of Volcano, HawaiiTue, Oct 8, 9:20 PM HST · 14967 days ago · 9 km deep · 18 km away
57. 1.6Hawaii region, HawaiiWed, Oct 9, 7:55 AM HST · 14967 days ago · 28 km deep · 74 km away
58. 2.018 km W of Volcano, HawaiiWed, Oct 9, 11:05 AM HST · 14967 days ago · 1 km deep · 5 km away
59. 2.316 km N of P?hala, HawaiiThu, Oct 10, 5:50 AM HST · 14966 days ago · 4 km deep · 16 km away
60. 1.713 km SSE of Volcano, HawaiiThu, Oct 10, 7:43 AM HST · 14966 days ago · 5 km deep · 33 km away

The first 60 of 198.

Before

1. 1.912 km SSE of Volcano, HawaiiTue, Sep 24, 12:32 PM HST · 14982 days ago · 7 km deep · 32 km away
2. 1.513 km S of Fern Forest, HawaiiTue, Sep 24, 6:56 AM HST · 14982 days ago · 6 km deep · 39 km away
3. 1.513 km SSE of Volcano, HawaiiMon, Sep 23, 11:16 PM HST · 14982 days ago · 8 km deep · 34 km away
4. 1.520 km N of P?hala, HawaiiMon, Sep 23, 5:32 PM HST · 14982 days ago · 4 km deep · 12 km away
5. 2.47 km N of Naalehu, HawaiiMon, Sep 23, 4:01 PM HST · 14982 days ago · 9 km deep · 41 km away
6. 1.813 km SSE of Volcano, HawaiiMon, Sep 23, 6:41 AM HST · 14983 days ago · 7 km deep · 35 km away
7. 1.613 km SSE of Volcano, HawaiiMon, Sep 23, 4:15 AM HST · 14983 days ago · 7 km deep · 33 km away
8. 1.817 km N of P?hala, HawaiiMon, Sep 23, 3:12 AM HST · 14983 days ago · 5 km deep · 15 km away
9. 2.515 km S of Honaunau-Napoopoo, HawaiiSun, Sep 22, 7:12 AM HST · 14984 days ago · 6 km deep · 47 km away
10. 2.210 km WSW of Volcano, HawaiiSun, Sep 22, 4:52 AM HST · 14984 days ago · 6 km deep · 15 km away
11. 1.814 km SE of Fern Forest, HawaiiSun, Sep 22, 4:50 AM HST · 14984 days ago · 5 km deep · 44 km away
12. 1.515 km S of Fern Forest, HawaiiSat, Sep 21, 8:37 PM HST · 14984 days ago · 7 km deep · 40 km away
13. 2.53 km E of Pa‘auilo, HawaiiSat, Sep 21, 8:35 PM HST · 14984 days ago · 5 km deep · 62 km away
14. 2.77 km W of Captain Cook, HawaiiSat, Sep 21, 11:40 AM HST · 14985 days ago · 9 km deep · 56 km away
15. 1.618 km N of P?hala, HawaiiSat, Sep 21, 12:23 AM HST · 14985 days ago · 7 km deep · 14 km away
16. 2.113 km SE of Fern Forest, HawaiiFri, Sep 20, 6:18 PM HST · 14985 days ago · 8 km deep · 45 km away
17. 2.29 km WSW of Volcano, HawaiiFri, Sep 20, 9:42 AM HST · 14986 days ago · 5 km deep · 17 km away
18. 2.19 km WSW of Volcano, HawaiiFri, Sep 20, 4:08 AM HST · 14986 days ago · 5 km deep · 16 km away
19. 1.824 km N of P?hala, HawaiiFri, Sep 20, 3:46 AM HST · 14986 days ago · 6 km deep · 8 km away
20. 2.214 km S of Volcano, HawaiiThu, Sep 19, 6:16 AM HST · 14987 days ago · 7 km deep · 29 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19851477. Read Thu, Oct 1, 2026, 11:33 AM UTC.