M1.6 earthquake 13 km SSE of Volcano, Hawaii

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sun, Aug 4, 1985, 8:06 AM HST

UTC

1985-08-04 18:06:16 UTC

Depth

6.1 km (3.8 mi), shallow

Epicenter

19.328° N, 155.196° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

87°

Stations used

37

• Volcano, HawaiiPopulation 2,575. Forecast13 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast38 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast354 kmSE

After

1. 2.13 km SSE of P?hala, HawaiiSun, Aug 4, 10:07 AM HST · 15033 days ago · 7 km deep · 33 km away
2. 3.24 km SSW of Ainaloa, HawaiiSun, Aug 4, 12:03 PM HST · 15033 days ago · 43 km deep · 27 km away
3. 3.06 km SSW of Leilani Estates, HawaiiSun, Aug 4, 5:24 PM HST · 15032 days ago · 39 km deep · 29 km away
4. 2.823 km WSW of Wainaku, HawaiiSun, Aug 4, 6:46 PM HST · 15032 days ago · 33 km deep · 41 km away
5. 1.817 km NNE of P?hala, HawaiiSun, Aug 4, 8:10 PM HST · 15032 days ago · 8 km deep · 24 km away
6. 2.510 km S of Volcano, HawaiiMon, Aug 5, 5:10 PM HST · 15031 days ago · 8 km deep · 3 km away
7. 2.113 km S of Volcano, HawaiiMon, Aug 5, 6:21 PM HST · 15031 days ago · 9 km deep · 2 km away
8. 1.6Island of Hawaii, HawaiiMon, Aug 5, 6:48 PM HST · 15031 days ago · 6 km deep · 0 km away
9. 2.810 km WSW of Volcano, HawaiiTue, Aug 6, 12:32 AM HST · 15031 days ago · 4 km deep · 17 km away
10. 1.914 km S of Volcano, HawaiiTue, Aug 6, 1:50 AM HST · 15031 days ago · 5 km deep · 2 km away
11. 1.57 km NNE of P?hala, HawaiiTue, Aug 6, 7:10 AM HST · 15031 days ago · 9 km deep · 28 km away
12. 3.22 km ESE of P?hala, HawaiiTue, Aug 6, 8:06 AM HST · 15031 days ago · 9 km deep · 31 km away
13. 2.34 km SSE of Pa‘auilo, HawaiiTue, Aug 6, 12:01 PM HST · 15031 days ago · 12 km deep · 77 km away
14. 1.53 km E of P?hala, HawaiiTue, Aug 6, 2:29 PM HST · 15030 days ago · 2 km deep · 30 km away
15. 2.02 km SSW of P?hala, HawaiiTue, Aug 6, 8:27 PM HST · 15030 days ago · 33 km deep · 35 km away
16. 1.82 km ESE of P?hala, HawaiiTue, Aug 6, 9:26 PM HST · 15030 days ago · 5 km deep · 31 km away
17. 1.714 km S of Volcano, HawaiiWed, Aug 7, 12:35 AM HST · 15030 days ago · 5 km deep · 3 km away
18. 2.013 km NE of P?hala, HawaiiWed, Aug 7, 4:06 AM HST · 15030 days ago · 7 km deep · 19 km away
19. 1.72 km ESE of P?hala, HawaiiWed, Aug 7, 4:46 AM HST · 15030 days ago · 6 km deep · 31 km away
20. 1.712 km SSE of Fern Forest, HawaiiWed, Aug 7, 2:39 PM HST · 15029 days ago · 7 km deep · 10 km away
21. 1.58 km WSW of P?hala, HawaiiWed, Aug 7, 5:52 PM HST · 15029 days ago · 0 km deep · 41 km away
22. 2.514 km S of Volcano, HawaiiThu, Aug 8, 12:31 PM HST · 15029 days ago · 9 km deep · 3 km away
23. 1.916 km S of Volcano, HawaiiThu, Aug 8, 12:33 PM HST · 15029 days ago · 7 km deep · 4 km away
24. 2.10 km ENE of P?hala, HawaiiThu, Aug 8, 12:58 PM HST · 15028 days ago · 6 km deep · 32 km away
25. 2.7Island of Hawaii, HawaiiThu, Aug 8, 4:46 PM HST · 15028 days ago · 8 km deep · 3 km away
26. 2.221 km SSE of Honaunau-Napoopoo, HawaiiFri, Aug 9, 2:45 PM HST · 15027 days ago · 9 km deep · 64 km away
27. 2.823 km N of P?hala, HawaiiFri, Aug 9, 9:05 PM HST · 15027 days ago · 9 km deep · 33 km away
28. 1.9Island of Hawaii, HawaiiFri, Aug 9, 11:01 PM HST · 15027 days ago · 4 km deep · 17 km away
29. 2.21 km SSE of Kailua-Kona, HawaiiSat, Aug 10, 12:22 AM HST · 15027 days ago · 39 km deep · 90 km away
30. 1.940 km ESE of Naalehu, HawaiiSat, Aug 10, 2:28 PM HST · 15026 days ago · 13 km deep · 51 km away
31. 1.817 km NNE of P?hala, HawaiiSat, Aug 10, 6:53 PM HST · 15026 days ago · 8 km deep · 26 km away
32. 2.117 km NNE of P?hala, HawaiiSat, Aug 10, 6:57 PM HST · 15026 days ago · 9 km deep · 26 km away
33. 2.240 km ESE of Naalehu, HawaiiSat, Aug 10, 7:34 PM HST · 15026 days ago · 11 km deep · 49 km away
34. 2.526 km ENE of Honaunau-Napoopoo, HawaiiSat, Aug 10, 10:23 PM HST · 15026 days ago · 7 km deep · 51 km away
35. 2.012 km SE of Fern Forest, HawaiiSun, Aug 11, 11:58 PM HST · 15025 days ago · 8 km deep · 15 km away
36. 1.515 km S of Volcano, HawaiiMon, Aug 12, 7:52 AM HST · 15025 days ago · 6 km deep · 6 km away
37. 1.513 km NNE of P?hala, HawaiiMon, Aug 12, 4:50 PM HST · 15024 days ago · 9 km deep · 25 km away
38. 1.515 km S of Fern Forest, HawaiiMon, Aug 12, 11:56 PM HST · 15024 days ago · 6 km deep · 7 km away
39. 2.422 km W of Volcano, HawaiiTue, Aug 13, 7:28 AM HST · 15024 days ago · 7 km deep · 30 km away
40. 3.513 km NNW of Wai‘?hinu, HawaiiTue, Aug 13, 10:02 AM HST · 15024 days ago · 9 km deep · 51 km away
41. 2.313 km SSE of Volcano, HawaiiTue, Aug 13, 11:12 AM HST · 15024 days ago · 7 km deep · 0 km away
42. 2.411 km SSW of Volcano, HawaiiWed, Aug 14, 8:39 AM HST · 15023 days ago · 25 km deep · 9 km away
43. 2.217 km N of P?hala, HawaiiWed, Aug 14, 7:19 PM HST · 15022 days ago · 8 km deep · 32 km away
44. 1.618 km N of P?hala, HawaiiThu, Aug 15, 3:56 AM HST · 15022 days ago · 8 km deep · 32 km away
45. 2.027 km SSE of Waimea, HawaiiThu, Aug 15, 6:34 AM HST · 15022 days ago · 25 km deep · 64 km away
46. 1.812 km S of Volcano, HawaiiThu, Aug 15, 6:40 PM HST · 15021 days ago · 6 km deep · 2 km away
47. 2.014 km S of Fern Forest, HawaiiFri, Aug 16, 2:57 AM HST · 15021 days ago · 8 km deep · 8 km away
48. 1.615 km SW of Leilani Estates, HawaiiFri, Aug 16, 11:48 AM HST · 15021 days ago · 2 km deep · 20 km away
49. 1.811 km SSE of Fern Forest, HawaiiFri, Aug 16, 3:47 PM HST · 15020 days ago · 7 km deep · 12 km away
50. 2.410 km N of Naalehu, HawaiiFri, Aug 16, 5:42 PM HST · 15020 days ago · 7 km deep · 45 km away
51. 1.513 km SSE of Fern Forest, HawaiiFri, Aug 16, 5:58 PM HST · 15020 days ago · 5 km deep · 10 km away
52. 1.824 km W of Volcano, HawaiiFri, Aug 16, 6:35 PM HST · 15020 days ago · 7 km deep · 32 km away
53. 2.09 km N of Naalehu, HawaiiFri, Aug 16, 7:05 PM HST · 15020 days ago · 8 km deep · 45 km away
54. 1.75 km S of Honoka‘a, HawaiiSat, Aug 17, 4:52 PM HST · 15019 days ago · 10 km deep · 83 km away
55. 2.118 km S of Volcano, HawaiiSat, Aug 17, 8:01 PM HST · 15019 days ago · 9 km deep · 8 km away
56. 2.042 km ESE of Naalehu, HawaiiSun, Aug 18, 6:05 AM HST · 15019 days ago · 12 km deep · 53 km away
57. 2.226 km W of Volcano, HawaiiSun, Aug 18, 9:40 AM HST · 15019 days ago · 8 km deep · 33 km away
58. 1.812 km SSE of Fern Forest, HawaiiSun, Aug 18, 10:05 AM HST · 15019 days ago · 7 km deep · 11 km away
59. 1.921 km NNE of P?hala, HawaiiSun, Aug 18, 3:38 PM HST · 15018 days ago · 9 km deep · 26 km away
60. 2.113 km W of Volcano, HawaiiMon, Aug 19, 3:56 AM HST · 15018 days ago · 8 km deep · 21 km away

The first 60 of 197.

Before

1. 2.246 km ESE of Naalehu, HawaiiSun, Aug 4, 4:41 AM HST · 15033 days ago · 22 km deep · 51 km away
2. 1.75 km SSW of Volcano, HawaiiSun, Aug 4, 2:17 AM HST · 15033 days ago · 2 km deep · 11 km away
3. 1.62 km SSW of P?hala, HawaiiSat, Aug 3, 4:21 PM HST · 15033 days ago · 33 km deep · 34 km away
4. 1.811 km S of Volcano, HawaiiSat, Aug 3, 1:23 AM HST · 15034 days ago · 6 km deep · 3 km away
5. 1.92 km SSW of P?hala, HawaiiFri, Aug 2, 12:52 AM HST · 15035 days ago · 33 km deep · 34 km away
6. 1.716 km WSW of Volcano, HawaiiThu, Aug 1, 11:20 PM HST · 15035 days ago · 9 km deep · 21 km away
7. 2.414 km SSE of Eden Roc, HawaiiThu, Aug 1, 3:09 PM HST · 15035 days ago · 8 km deep · 18 km away
8. 1.812 km SSE of Fern Forest, HawaiiThu, Aug 1, 3:05 PM HST · 15035 days ago · 7 km deep · 10 km away
9. 1.615 km S of Fern Forest, HawaiiThu, Aug 1, 7:14 AM HST · 15036 days ago · 7 km deep · 8 km away
10. 2.115 km S of Fern Forest, HawaiiWed, Jul 31, 11:43 PM HST · 15036 days ago · 5 km deep · 6 km away
11. 2.69 km WSW of Volcano, HawaiiWed, Jul 31, 10:05 PM HST · 15036 days ago · 4 km deep · 16 km away
12. 1.910 km N of P?hala, HawaiiWed, Jul 31, 8:03 PM HST · 15036 days ago · 8 km deep · 28 km away
13. 2.016 km SSE of Volcano, HawaiiWed, Jul 31, 7:29 PM HST · 15036 days ago · 7 km deep · 4 km away
14. 1.614 km SSE of Volcano, HawaiiWed, Jul 31, 6:22 PM HST · 15036 days ago · 6 km deep · 1 km away
15. 2.938 km ESE of Naalehu, HawaiiWed, Jul 31, 9:40 AM HST · 15037 days ago · 13 km deep · 47 km away
16. 1.85 km SSE of Leilani Estates, HawaiiWed, Jul 31, 8:13 AM HST · 15037 days ago · 9 km deep · 34 km away
17. 1.89 km WSW of Volcano, HawaiiWed, Jul 31, 6:50 AM HST · 15037 days ago · 4 km deep · 16 km away
18. 1.915 km S of Volcano, HawaiiTue, Jul 30, 3:03 PM HST · 15037 days ago · 8 km deep · 6 km away
19. 2.316 km SE of Fern Forest, HawaiiTue, Jul 30, 9:43 AM HST · 15038 days ago · 6 km deep · 18 km away
20. 1.913 km S of Volcano, HawaiiTue, Jul 30, 2:20 AM HST · 15038 days ago · 8 km deep · 6 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19851209. Read Thu, Oct 1, 2026, 10:19 AM UTC.