M1.6 earthquake 6 km SW of Volcano, Hawaii

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Apr 22, 1985, 5:41 AM HST

UTC

1985-04-22 15:41:52 UTC

Depth

0.8 km (0.5 mi), shallow

Epicenter

19.407° N, 155.286° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.2 km in depth

Magnitude uncertainty

±0.38

Depth from

From location

Station coverage gap

65°

Stations used

15

• Volcano, HawaiiPopulation 2,575. Forecast7 kmSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast39 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast341 kmSE

After

1. 1.66 km SW of Volcano, HawaiiMon, Apr 22, 6:21 AM HST · 15137 days ago · 1 km deep · 0 km away
2. 2.26 km SSW of Volcano, HawaiiMon, Apr 22, 8:23 AM HST · 15137 days ago · 2 km deep · 2 km away
3. 2.06 km WSW of Volcano, HawaiiMon, Apr 22, 8:31 AM HST · 15137 days ago · 1 km deep · 0 km away
4. 1.64 km SW of Volcano, HawaiiMon, Apr 22, 9:15 AM HST · 15137 days ago · 5 km deep · 2 km away
5. 2.36 km SW of Volcano, HawaiiMon, Apr 22, 9:24 AM HST · 15137 days ago · 1 km deep · 0 km away
6. 2.012 km SSE of Volcano, HawaiiMon, Apr 22, 9:40 PM HST · 15136 days ago · 8 km deep · 14 km away
7. 1.611 km SSW of Leilani Estates, HawaiiTue, Apr 23, 9:03 PM HST · 15135 days ago · 7 km deep · 33 km away
8. 2.911 km SSW of Volcano, HawaiiWed, Apr 24, 2:07 AM HST · 15135 days ago · 35 km deep · 7 km away
9. 1.5Island of Hawaii, HawaiiWed, Apr 24, 10:46 AM HST · 15135 days ago · 4 km deep · 16 km away
10. 2.04 km E of Leilani Estates, HawaiiWed, Apr 24, 10:53 PM HST · 15134 days ago · 3 km deep · 44 km away
11. 1.619 km N of P?hala, HawaiiWed, Apr 24, 11:32 PM HST · 15134 days ago · 9 km deep · 17 km away
12. 2.113 km S of Volcano, HawaiiThu, Apr 25, 12:01 AM HST · 15134 days ago · 8 km deep · 12 km away
13. 2.714 km S of Fern Forest, HawaiiThu, Apr 25, 9:28 AM HST · 15134 days ago · 6 km deep · 17 km away
14. 1.87 km WSW of Volcano, HawaiiThu, Apr 25, 8:18 PM HST · 15133 days ago · 1 km deep · 0 km away
15. 1.67 km SW of Volcano, HawaiiThu, Apr 25, 9:54 PM HST · 15133 days ago · 1 km deep · 1 km away
16. 1.66 km SW of Volcano, HawaiiThu, Apr 25, 11:21 PM HST · 15133 days ago · 8 km deep · 1 km away
17. 1.55 km SW of Volcano, HawaiiThu, Apr 25, 11:27 PM HST · 15133 days ago · 9 km deep · 1 km away
18. 2.314 km S of Volcano, HawaiiFri, Apr 26, 12:40 AM HST · 15133 days ago · 8 km deep · 11 km away
19. 2.26 km SW of Volcano, HawaiiFri, Apr 26, 4:07 AM HST · 15133 days ago · 1 km deep · 1 km away
20. 1.819 km N of P?hala, HawaiiFri, Apr 26, 10:10 AM HST · 15133 days ago · 9 km deep · 17 km away
21. 1.822 km W of Volcano, HawaiiFri, Apr 26, 1:18 PM HST · 15133 days ago · 4 km deep · 19 km away
22. 1.824 km N of P?hala, HawaiiFri, Apr 26, 1:47 PM HST · 15133 days ago · 6 km deep · 22 km away
23. 2.319 km ENE of P?hala, HawaiiFri, Apr 26, 3:39 PM HST · 15133 days ago · 32 km deep · 15 km away
24. 3.627 km SSE of Fern Forest, HawaiiSat, Apr 27, 7:54 AM HST · 15132 days ago · 47 km deep · 30 km away
25. 1.818 km N of P?hala, HawaiiSat, Apr 27, 8:37 AM HST · 15132 days ago · 9 km deep · 20 km away
26. 1.613 km SSE of Volcano, HawaiiMon, Apr 29, 4:26 AM HST · 15130 days ago · 7 km deep · 13 km away
27. 1.76 km SW of Volcano, HawaiiMon, Apr 29, 10:09 PM HST · 15129 days ago · 1 km deep · 1 km away
28. 2.513 km SSE of Volcano, HawaiiTue, Apr 30, 5:07 AM HST · 15129 days ago · 7 km deep · 13 km away
29. 1.68 km SW of Volcano, HawaiiTue, Apr 30, 10:49 PM HST · 15128 days ago · 9 km deep · 2 km away
30. 1.86 km SW of Volcano, HawaiiWed, May 1, 12:12 AM HST · 15128 days ago · 9 km deep · 1 km away
31. 2.515 km SE of Fern Forest, HawaiiWed, May 1, 5:30 AM HST · 15128 days ago · 8 km deep · 26 km away
32. 1.915 km SE of Fern Forest, HawaiiWed, May 1, 5:48 AM HST · 15128 days ago · 8 km deep · 27 km away
33. 1.76 km WSW of Volcano, HawaiiWed, May 1, 6:15 AM HST · 15128 days ago · 9 km deep · 1 km away
34. 2.417 km S of Volcano, HawaiiWed, May 1, 6:58 AM HST · 15128 days ago · 8 km deep · 14 km away
35. 1.95 km SW of Volcano, HawaiiWed, May 1, 9:50 AM HST · 15128 days ago · 9 km deep · 1 km away
36. 2.518 km NNE of P?hala, HawaiiWed, May 1, 3:18 PM HST · 15128 days ago · 8 km deep · 16 km away
37. 2.12 km SSW of P?hala, HawaiiThu, May 2, 12:51 AM HST · 15127 days ago · 34 km deep · 33 km away
38. 1.616 km SE of Fern Forest, HawaiiThu, May 2, 9:02 PM HST · 15126 days ago · 6 km deep · 26 km away
39. 2.113 km NE of P?hala, HawaiiThu, May 2, 9:29 PM HST · 15126 days ago · 34 km deep · 17 km away
40. 1.95 km SW of Volcano, HawaiiThu, May 2, 10:38 PM HST · 15126 days ago · 6 km deep · 1 km away
41. 1.57 km WSW of Volcano, HawaiiFri, May 3, 4:16 AM HST · 15126 days ago · 5 km deep · 1 km away
42. 1.86 km SW of Volcano, HawaiiFri, May 3, 7:40 AM HST · 15126 days ago · 8 km deep · 0 km away
43. 1.75 km SW of Volcano, HawaiiFri, May 3, 12:59 PM HST · 15126 days ago · 9 km deep · 1 km away
44. 2.015 km NE of P?hala, HawaiiFri, May 3, 2:25 PM HST · 15126 days ago · 5 km deep · 15 km away
45. 1.56 km WSW of Volcano, HawaiiFri, May 3, 9:17 PM HST · 15125 days ago · 8 km deep · 1 km away
46. 1.66 km WSW of Volcano, HawaiiSat, May 4, 10:31 AM HST · 15125 days ago · 6 km deep · 1 km away
47. 1.97 km SW of Volcano, HawaiiSat, May 4, 11:44 AM HST · 15125 days ago · 7 km deep · 1 km away
48. 1.919 km N of P?hala, HawaiiSat, May 4, 11:52 AM HST · 15125 days ago · 8 km deep · 17 km away
49. 1.78 km SW of Volcano, HawaiiSat, May 4, 7:16 PM HST · 15124 days ago · 7 km deep · 2 km away
50. 2.06 km WSW of Volcano, HawaiiSat, May 4, 8:51 PM HST · 15124 days ago · 7 km deep · 0 km away
51. 1.714 km SSE of Volcano, HawaiiSat, May 4, 11:11 PM HST · 15124 days ago · 7 km deep · 14 km away
52. 2.06 km SW of Volcano, HawaiiSun, May 5, 12:11 AM HST · 15124 days ago · 7 km deep · 1 km away
53. 1.75 km WSW of Volcano, HawaiiSun, May 5, 2:39 AM HST · 15124 days ago · 7 km deep · 1 km away
54. 1.75 km SW of Volcano, HawaiiSun, May 5, 2:50 AM HST · 15124 days ago · 8 km deep · 1 km away
55. 1.814 km SSE of Fern Forest, HawaiiSun, May 5, 3:15 AM HST · 15124 days ago · 7 km deep · 21 km away
56. 1.714 km S of Volcano, HawaiiSun, May 5, 9:32 AM HST · 15124 days ago · 7 km deep · 12 km away
57. 1.65 km WSW of Volcano, HawaiiSun, May 5, 11:06 AM HST · 15124 days ago · 7 km deep · 1 km away
58. 1.516 km SSE of Fern Forest, HawaiiSun, May 5, 3:19 PM HST · 15124 days ago · 3 km deep · 22 km away
59. 1.614 km SW of Leilani Estates, HawaiiSun, May 5, 9:36 PM HST · 15123 days ago · 7 km deep · 30 km away
60. 1.513 km ENE of P?hala, HawaiiSun, May 5, 10:59 PM HST · 15123 days ago · 7 km deep · 18 km away

The first 60 of 197.

Before

1. 2.06 km SW of Volcano, HawaiiMon, Apr 22, 5:04 AM HST · 15137 days ago · 1 km deep · 0 km away
2. 1.86 km SSW of Volcano, HawaiiSun, Apr 21, 11:50 PM HST · 15137 days ago · 2 km deep · 3 km away
3. 3.21 km WNW of Kailua-Kona, HawaiiSun, Apr 21, 12:37 PM HST · 15138 days ago · 14 km deep · 80 km away
4. 1.921 km NNW of P?hala, HawaiiSun, Apr 21, 12:17 PM HST · 15138 days ago · 4 km deep · 27 km away
5. 2.65 km SSW of Volcano, HawaiiSun, Apr 21, 11:31 AM HST · 15138 days ago · 2 km deep · 3 km away
6. 1.95 km SSW of Volcano, HawaiiSun, Apr 21, 9:33 AM HST · 15138 days ago · 2 km deep · 3 km away
7. 1.711 km SSE of Volcano, HawaiiSun, Apr 21, 9:28 AM HST · 15138 days ago · 6 km deep · 11 km away
8. 2.513 km S of Volcano, HawaiiSat, Apr 20, 11:02 PM HST · 15138 days ago · 5 km deep · 12 km away
9. 1.66 km SW of Volcano, HawaiiSat, Apr 20, 9:27 PM HST · 15138 days ago · 11 km deep · 1 km away
10. 1.56 km SW of Volcano, HawaiiSat, Apr 20, 9:10 PM HST · 15138 days ago · 8 km deep · 1 km away
11. 1.612 km SSE of Volcano, HawaiiSat, Apr 20, 8:20 PM HST · 15138 days ago · 7 km deep · 13 km away
12. 1.85 km WSW of Volcano, HawaiiSat, Apr 20, 7:13 PM HST · 15139 days ago · 7 km deep · 1 km away
13. 1.611 km SSE of Volcano, HawaiiSat, Apr 20, 12:03 PM HST · 15139 days ago · 8 km deep · 11 km away
14. 2.019 km N of P?hala, HawaiiSat, Apr 20, 6:46 AM HST · 15139 days ago · 9 km deep · 17 km away
15. 2.412 km SSE of Honaunau-Napoopoo, HawaiiSat, Apr 20, 5:53 AM HST · 15139 days ago · 8 km deep · 57 km away
16. 1.816 km S of Fern Forest, HawaiiSat, Apr 20, 5:14 AM HST · 15139 days ago · 6 km deep · 18 km away
17. 1.612 km S of Volcano, HawaiiSat, Apr 20, 1:03 AM HST · 15139 days ago · 6 km deep · 11 km away
18. 1.916 km SW of Volcano, HawaiiFri, Apr 19, 9:55 PM HST · 15139 days ago · 10 km deep · 10 km away
19. 1.85 km SW of Volcano, HawaiiFri, Apr 19, 3:40 PM HST · 15140 days ago · 10 km deep · 2 km away
20. 1.715 km SW of Volcano, HawaiiFri, Apr 19, 2:18 PM HST · 15140 days ago · 11 km deep · 9 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19850657. Read Thu, Oct 1, 2026, 4:43 PM UTC.