M1.5 earthquake 15 km S of Volcano, Hawaii

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Aug 12, 1985, 7:52 AM HST

UTC

1985-08-12 17:52:38 UTC

Depth

5.9 km (3.7 mi), shallow

Epicenter

19.301° N, 155.245° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.39

Depth from

From location

Station coverage gap

112°

Stations used

31

• Volcano, HawaiiPopulation 2,575. Forecast16 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast43 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast352 kmSE

After

1. 1.513 km NNE of P?hala, HawaiiMon, Aug 12, 4:50 PM HST · 15024 days ago · 9 km deep · 20 km away
2. 1.515 km S of Fern Forest, HawaiiMon, Aug 12, 11:56 PM HST · 15024 days ago · 6 km deep · 12 km away
3. 2.422 km W of Volcano, HawaiiTue, Aug 13, 7:28 AM HST · 15024 days ago · 7 km deep · 28 km away
4. 3.513 km NNW of Wai‘?hinu, HawaiiTue, Aug 13, 10:02 AM HST · 15024 days ago · 9 km deep · 45 km away
5. 2.313 km SSE of Volcano, HawaiiTue, Aug 13, 11:12 AM HST · 15024 days ago · 7 km deep · 6 km away
6. 2.411 km SSW of Volcano, HawaiiWed, Aug 14, 8:39 AM HST · 15023 days ago · 25 km deep · 6 km away
7. 2.217 km N of P?hala, HawaiiWed, Aug 14, 7:19 PM HST · 15022 days ago · 8 km deep · 27 km away
8. 1.618 km N of P?hala, HawaiiThu, Aug 15, 3:56 AM HST · 15022 days ago · 8 km deep · 28 km away
9. 2.027 km SSE of Waimea, HawaiiThu, Aug 15, 6:34 AM HST · 15022 days ago · 25 km deep · 64 km away
10. 1.812 km S of Volcano, HawaiiThu, Aug 15, 6:40 PM HST · 15021 days ago · 6 km deep · 5 km away
11. 2.014 km S of Fern Forest, HawaiiFri, Aug 16, 2:57 AM HST · 15021 days ago · 8 km deep · 14 km away
12. 1.615 km SW of Leilani Estates, HawaiiFri, Aug 16, 11:48 AM HST · 15021 days ago · 2 km deep · 25 km away
13. 1.811 km SSE of Fern Forest, HawaiiFri, Aug 16, 3:47 PM HST · 15020 days ago · 7 km deep · 18 km away
14. 2.410 km N of Naalehu, HawaiiFri, Aug 16, 5:42 PM HST · 15020 days ago · 7 km deep · 39 km away
15. 1.513 km SSE of Fern Forest, HawaiiFri, Aug 16, 5:58 PM HST · 15020 days ago · 5 km deep · 15 km away
16. 1.824 km W of Volcano, HawaiiFri, Aug 16, 6:35 PM HST · 15020 days ago · 7 km deep · 29 km away
17. 2.09 km N of Naalehu, HawaiiFri, Aug 16, 7:05 PM HST · 15020 days ago · 8 km deep · 39 km away
18. 1.75 km S of Honoka‘a, HawaiiSat, Aug 17, 4:52 PM HST · 15019 days ago · 10 km deep · 84 km away
19. 2.118 km S of Volcano, HawaiiSat, Aug 17, 8:01 PM HST · 15019 days ago · 9 km deep · 3 km away
20. 2.042 km ESE of Naalehu, HawaiiSun, Aug 18, 6:05 AM HST · 15019 days ago · 12 km deep · 49 km away
21. 2.226 km W of Volcano, HawaiiSun, Aug 18, 9:40 AM HST · 15019 days ago · 8 km deep · 30 km away
22. 1.812 km SSE of Fern Forest, HawaiiSun, Aug 18, 10:05 AM HST · 15019 days ago · 7 km deep · 17 km away
23. 1.921 km NNE of P?hala, HawaiiSun, Aug 18, 3:38 PM HST · 15018 days ago · 9 km deep · 22 km away
24. 2.113 km W of Volcano, HawaiiMon, Aug 19, 3:56 AM HST · 15018 days ago · 8 km deep · 19 km away
25. 2.16 km NNW of P?hala, HawaiiMon, Aug 19, 5:30 AM HST · 15018 days ago · 8 km deep · 27 km away
26. 2.110 km NW of P?hala, HawaiiMon, Aug 19, 8:55 AM HST · 15018 days ago · 6 km deep · 34 km away
27. 2.613 km ENE of P?hala, HawaiiTue, Aug 20, 7:22 AM HST · 15017 days ago · 7 km deep · 13 km away
28. 1.914 km SSE of Volcano, HawaiiTue, Aug 20, 10:30 AM HST · 15017 days ago · 7 km deep · 5 km away
29. 1.711 km SSE of Volcano, HawaiiTue, Aug 20, 5:15 PM HST · 15016 days ago · 6 km deep · 6 km away
30. 2.143 km SE of Naalehu, HawaiiWed, Aug 21, 1:06 AM HST · 15016 days ago · 11 km deep · 54 km away
31. 2.4Island of Hawaii, HawaiiWed, Aug 21, 2:08 AM HST · 15016 days ago · 7 km deep · 6 km away
32. 2.014 km S of Fern Forest, HawaiiWed, Aug 21, 5:41 AM HST · 15016 days ago · 7 km deep · 13 km away
33. 1.712 km SSE of Volcano, HawaiiWed, Aug 21, 10:06 AM HST · 15016 days ago · 8 km deep · 6 km away
34. 1.715 km SSE of Volcano, HawaiiWed, Aug 21, 2:45 PM HST · 15015 days ago · 6 km deep · 8 km away
35. 4.226 km SW of Captain Cook, HawaiiThu, Aug 22, 6:28 AM HST · 15015 days ago · 38 km deep · 86 km away
36. 2.113 km SSE of Volcano, HawaiiThu, Aug 22, 9:48 AM HST · 15015 days ago · 7 km deep · 5 km away
37. 2.114 km S of Volcano, HawaiiFri, Aug 23, 2:25 AM HST · 15014 days ago · 8 km deep · 3 km away
38. 2.414 km S of Volcano, HawaiiFri, Aug 23, 4:01 AM HST · 15014 days ago · 8 km deep · 3 km away
39. 1.911 km SSE of Volcano, HawaiiFri, Aug 23, 3:03 PM HST · 15013 days ago · 7 km deep · 6 km away
40. 2.49 km WSW of Laup?hoehoe, HawaiiFri, Aug 23, 3:55 PM HST · 15013 days ago · 26 km deep · 72 km away
41. 2.136 km ESE of Naalehu, HawaiiFri, Aug 23, 6:11 PM HST · 15013 days ago · 13 km deep · 44 km away
42. 2.124 km WNW of Volcano, HawaiiSat, Aug 24, 7:57 AM HST · 15013 days ago · 4 km deep · 31 km away
43. 1.938 km ESE of Naalehu, HawaiiSat, Aug 24, 8:18 PM HST · 15012 days ago · 11 km deep · 44 km away
44. 2.219 km N of P?hala, HawaiiSat, Aug 24, 9:39 PM HST · 15012 days ago · 9 km deep · 23 km away
45. 2.59 km N of Naalehu, HawaiiSat, Aug 24, 9:40 PM HST · 15012 days ago · 7 km deep · 39 km away
46. 1.712 km SSE of Volcano, HawaiiSun, Aug 25, 12:47 AM HST · 15012 days ago · 7 km deep · 6 km away
47. 2.912 km SSE of Volcano, HawaiiSun, Aug 25, 2:53 AM HST · 15012 days ago · 7 km deep · 7 km away
48. 1.612 km SSE of Fern Forest, HawaiiSun, Aug 25, 3:58 AM HST · 15012 days ago · 6 km deep · 20 km away
49. 2.013 km NE of P?hala, HawaiiSun, Aug 25, 4:43 AM HST · 15012 days ago · 4 km deep · 14 km away
50. 2.612 km SSE of Volcano, HawaiiSun, Aug 25, 7:11 AM HST · 15012 days ago · 7 km deep · 8 km away
51. 1.515 km S of Volcano, HawaiiSun, Aug 25, 4:09 PM HST · 15011 days ago · 7 km deep · 2 km away
52. 1.937 km ESE of Naalehu, HawaiiSun, Aug 25, 7:41 PM HST · 15011 days ago · 11 km deep · 44 km away
53. 1.834 km SE of P?hala, HawaiiSun, Aug 25, 7:44 PM HST · 15011 days ago · 12 km deep · 36 km away
54. 1.815 km SSE of Volcano, HawaiiMon, Aug 26, 6:06 AM HST · 15011 days ago · 6 km deep · 9 km away
55. 2.29 km WSW of Volcano, HawaiiMon, Aug 26, 7:01 AM HST · 15011 days ago · 4 km deep · 15 km away
56. 2.314 km S of Fern Forest, HawaiiMon, Aug 26, 11:30 AM HST · 15011 days ago · 8 km deep · 14 km away
57. 1.513 km SSE of Fern Forest, HawaiiMon, Aug 26, 7:26 PM HST · 15010 days ago · 7 km deep · 16 km away
58. 2.20 km NW of Volcano, HawaiiTue, Aug 27, 12:16 AM HST · 15010 days ago · 31 km deep · 16 km away
59. 2.310 km WSW of Volcano, HawaiiTue, Aug 27, 7:05 AM HST · 15010 days ago · 6 km deep · 15 km away
60. 2.436 km ESE of Naalehu, HawaiiTue, Aug 27, 10:54 AM HST · 15010 days ago · 13 km deep · 43 km away

The first 60 of 196.

Before

1. 2.012 km SE of Fern Forest, HawaiiSun, Aug 11, 11:58 PM HST · 15025 days ago · 8 km deep · 20 km away
2. 2.526 km ENE of Honaunau-Napoopoo, HawaiiSat, Aug 10, 10:23 PM HST · 15026 days ago · 7 km deep · 48 km away
3. 2.240 km ESE of Naalehu, HawaiiSat, Aug 10, 7:34 PM HST · 15026 days ago · 11 km deep · 46 km away
4. 2.117 km NNE of P?hala, HawaiiSat, Aug 10, 6:57 PM HST · 15026 days ago · 9 km deep · 21 km away
5. 1.817 km NNE of P?hala, HawaiiSat, Aug 10, 6:53 PM HST · 15026 days ago · 8 km deep · 21 km away
6. 1.940 km ESE of Naalehu, HawaiiSat, Aug 10, 2:28 PM HST · 15026 days ago · 13 km deep · 48 km away
7. 2.21 km SSE of Kailua-Kona, HawaiiSat, Aug 10, 12:22 AM HST · 15027 days ago · 39 km deep · 87 km away
8. 1.9Island of Hawaii, HawaiiFri, Aug 9, 11:01 PM HST · 15027 days ago · 4 km deep · 16 km away
9. 2.823 km N of P?hala, HawaiiFri, Aug 9, 9:05 PM HST · 15027 days ago · 9 km deep · 30 km away
10. 2.221 km SSE of Honaunau-Napoopoo, HawaiiFri, Aug 9, 2:45 PM HST · 15027 days ago · 9 km deep · 59 km away
11. 2.7Island of Hawaii, HawaiiThu, Aug 8, 4:46 PM HST · 15028 days ago · 8 km deep · 6 km away
12. 2.10 km ENE of P?hala, HawaiiThu, Aug 8, 12:58 PM HST · 15028 days ago · 6 km deep · 26 km away
13. 1.916 km S of Volcano, HawaiiThu, Aug 8, 12:33 PM HST · 15029 days ago · 7 km deep · 3 km away
14. 2.514 km S of Volcano, HawaiiThu, Aug 8, 12:31 PM HST · 15029 days ago · 9 km deep · 3 km away
15. 1.58 km WSW of P?hala, HawaiiWed, Aug 7, 5:52 PM HST · 15029 days ago · 0 km deep · 35 km away
16. 1.712 km SSE of Fern Forest, HawaiiWed, Aug 7, 2:39 PM HST · 15029 days ago · 7 km deep · 16 km away
17. 1.72 km ESE of P?hala, HawaiiWed, Aug 7, 4:46 AM HST · 15030 days ago · 6 km deep · 25 km away
18. 2.013 km NE of P?hala, HawaiiWed, Aug 7, 4:06 AM HST · 15030 days ago · 7 km deep · 14 km away
19. 1.714 km S of Volcano, HawaiiWed, Aug 7, 12:35 AM HST · 15030 days ago · 5 km deep · 3 km away
20. 1.82 km ESE of P?hala, HawaiiTue, Aug 6, 9:26 PM HST · 15030 days ago · 5 km deep · 25 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19851256. Read Thu, Oct 1, 2026, 10:19 AM UTC.