M1.7 earthquake 3 km SW of Volcano, Hawaii

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Thu, Mar 28, 1985, 8:39 AM HST

UTC

1985-03-28 18:39:43 UTC

Depth

13.5 km (8.4 mi), shallow

Epicenter

19.417° N, 155.259° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

74°

Stations used

37

• Volcano, HawaiiPopulation 2,575. Forecast4 kmSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast36 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast343 kmSE

After

1. 2.317 km SE of Waikoloa, HawaiiThu, Mar 28, 9:36 AM HST · 15163 days ago · 11 km deep · 63 km away
2. 2.12 km SSW of P?hala, HawaiiThu, Mar 28, 12:41 PM HST · 15163 days ago · 33 km deep · 35 km away
3. 2.023 km W of Volcano, HawaiiThu, Mar 28, 6:15 PM HST · 15163 days ago · 3 km deep · 21 km away
4. 3.312 km SSE of Volcano, HawaiiFri, Mar 29, 2:57 AM HST · 15162 days ago · 9 km deep · 12 km away
5. 1.69 km N of P?hala, HawaiiSat, Mar 30, 1:42 AM HST · 15161 days ago · 6 km deep · 28 km away
6. 2.812 km SSE of Volcano, HawaiiSat, Mar 30, 7:20 AM HST · 15161 days ago · 8 km deep · 11 km away
7. 3.58 km NNW of P?hala, HawaiiSat, Mar 30, 9:03 AM HST · 15161 days ago · 42 km deep · 31 km away
8. 1.913 km SSE of Volcano, HawaiiSun, Mar 31, 12:14 AM HST · 15160 days ago · 7 km deep · 12 km away
9. 2.19 km NNW of P?hala, HawaiiSun, Mar 31, 2:10 AM HST · 15160 days ago · 7 km deep · 30 km away
10. 3.019 km W of Volcano, HawaiiSun, Mar 31, 4:05 PM HST · 15160 days ago · 8 km deep · 17 km away
11. 1.611 km SW of Leilani Estates, HawaiiSun, Mar 31, 6:18 PM HST · 15160 days ago · 7 km deep · 29 km away
12. 1.89 km WSW of Volcano, HawaiiSun, Mar 31, 8:39 PM HST · 15160 days ago · 5 km deep · 7 km away
13. 1.920 km N of P?hala, HawaiiMon, Apr 1, 12:05 AM HST · 15159 days ago · 7 km deep · 25 km away
14. 1.616 km SSE of Fern Forest, HawaiiMon, Apr 1, 1:18 AM HST · 15159 days ago · 5 km deep · 23 km away
15. 4.213 km SSE of Fern Forest, HawaiiMon, Apr 1, 11:31 AM HST · 15159 days ago · 9 km deep · 20 km away
16. 1.813 km SSE of Fern Forest, HawaiiMon, Apr 1, 6:00 PM HST · 15159 days ago · 7 km deep · 19 km away
17. 1.6Island of Hawaii, HawaiiMon, Apr 1, 7:28 PM HST · 15159 days ago · 6 km deep · 7 km away
18. 2.62 km NNW of Honaunau-Napoopoo, HawaiiTue, Apr 2, 4:57 AM HST · 15158 days ago · 4 km deep · 65 km away
19. 1.921 km NNE of P?hala, HawaiiWed, Apr 3, 5:12 AM HST · 15157 days ago · 8 km deep · 19 km away
20. 1.622 km WSW of Volcano, HawaiiWed, Apr 3, 8:50 PM HST · 15157 days ago · 8 km deep · 19 km away
21. 1.914 km S of Fern Forest, HawaiiWed, Apr 3, 8:56 PM HST · 15157 days ago · 6 km deep · 16 km away
22. 1.811 km ENE of P?hala, HawaiiWed, Apr 3, 9:57 PM HST · 15156 days ago · 7 km deep · 22 km away
23. 1.711 km S of Volcano, HawaiiThu, Apr 4, 5:39 AM HST · 15156 days ago · 5 km deep · 10 km away
24. 1.917 km NE of P?hala, HawaiiThu, Apr 4, 7:35 AM HST · 15156 days ago · 7 km deep · 17 km away
25. 1.716 km SSW of Volcano, HawaiiThu, Apr 4, 9:17 AM HST · 15156 days ago · 7 km deep · 13 km away
26. 1.610 km WSW of Volcano, HawaiiThu, Apr 4, 10:56 AM HST · 15156 days ago · 5 km deep · 8 km away
27. 1.810 km W of Volcano, HawaiiThu, Apr 4, 11:05 PM HST · 15155 days ago · 3 km deep · 8 km away
28. 1.5Island of Hawaii, HawaiiFri, Apr 5, 2:11 AM HST · 15155 days ago · 6 km deep · 25 km away
29. 1.513 km SSE of Volcano, HawaiiFri, Apr 5, 4:24 AM HST · 15155 days ago · 7 km deep · 12 km away
30. 1.69 km WSW of Volcano, HawaiiFri, Apr 5, 10:07 AM HST · 15155 days ago · 5 km deep · 7 km away
31. 2.020 km N of P?hala, HawaiiFri, Apr 5, 11:58 AM HST · 15155 days ago · 6 km deep · 26 km away
32. 1.619 km N of P?hala, HawaiiFri, Apr 5, 12:06 PM HST · 15155 days ago · 7 km deep · 25 km away
33. 1.711 km SSE of Volcano, HawaiiFri, Apr 5, 12:15 PM HST · 15155 days ago · 6 km deep · 10 km away
34. 2.215 km W of P?hala, HawaiiFri, Apr 5, 1:11 PM HST · 15155 days ago · 6 km deep · 43 km away
35. 2.013 km S of Pa‘auilo, HawaiiFri, Apr 5, 7:04 PM HST · 15155 days ago · 8 km deep · 56 km away
36. 2.24 km WSW of P?hala, HawaiiFri, Apr 5, 9:23 PM HST · 15155 days ago · 39 km deep · 37 km away
37. 1.914 km SE of Fern Forest, HawaiiFri, Apr 5, 11:48 PM HST · 15154 days ago · 8 km deep · 24 km away
38. 1.813 km SSW of Volcano, HawaiiSat, Apr 6, 3:30 AM HST · 15154 days ago · 31 km deep · 9 km away
39. 1.918 km N of P?hala, HawaiiSat, Apr 6, 1:24 PM HST · 15154 days ago · 7 km deep · 25 km away
40. 2.46 km S of Honoka‘a, HawaiiSat, Apr 6, 5:14 PM HST · 15154 days ago · 0 km deep · 70 km away
41. 1.913 km S of Volcano, HawaiiSun, Apr 7, 1:31 AM HST · 15153 days ago · 7 km deep · 11 km away
42. 1.712 km SSE of Volcano, HawaiiSun, Apr 7, 5:29 AM HST · 15153 days ago · 7 km deep · 11 km away
43. 2.413 km SSE of Volcano, HawaiiSun, Apr 7, 9:45 AM HST · 15153 days ago · 8 km deep · 12 km away
44. 1.616 km N of P?hala, HawaiiSun, Apr 7, 10:04 AM HST · 15153 days ago · 9 km deep · 26 km away
45. 1.717 km S of Volcano, HawaiiSun, Apr 7, 7:39 PM HST · 15153 days ago · 6 km deep · 15 km away
46. 1.817 km N of P?hala, HawaiiMon, Apr 8, 1:20 AM HST · 15152 days ago · 4 km deep · 23 km away
47. 1.5Island of Hawaii, HawaiiMon, Apr 8, 9:17 AM HST · 15152 days ago · 5 km deep · 25 km away
48. 2.625 km N of P?hala, HawaiiMon, Apr 8, 10:39 PM HST · 15151 days ago · 8 km deep · 24 km away
49. 1.92 km NNE of Honaunau-Napoopoo, HawaiiTue, Apr 9, 2:58 AM HST · 15151 days ago · 4 km deep · 63 km away
50. 1.6Island of Hawaii, HawaiiTue, Apr 9, 4:11 AM HST · 15151 days ago · 5 km deep · 22 km away
51. 1.714 km S of Volcano, HawaiiTue, Apr 9, 6:06 AM HST · 15151 days ago · 7 km deep · 12 km away
52. 2.510 km SSE of Honaunau-Napoopoo, HawaiiTue, Apr 9, 8:15 AM HST · 15151 days ago · 11 km deep · 59 km away
53. 1.65 km SSW of Volcano, HawaiiTue, Apr 9, 4:44 PM HST · 15151 days ago · 2 km deep · 2 km away
54. 3.219 km N of P?hala, HawaiiTue, Apr 9, 4:54 PM HST · 15151 days ago · 7 km deep · 26 km away
55. 2.026 km N of P?hala, HawaiiWed, Apr 10, 1:17 AM HST · 15150 days ago · 6 km deep · 25 km away
56. 1.77 km SW of Volcano, HawaiiWed, Apr 10, 9:46 AM HST · 15150 days ago · 7 km deep · 3 km away
57. 2.326 km N of P?hala, HawaiiWed, Apr 10, 12:02 PM HST · 15150 days ago · 7 km deep · 25 km away
58. 1.93 km W of Volcano, HawaiiWed, Apr 10, 7:09 PM HST · 15150 days ago · 23 km deep · 3 km away
59. 1.96 km SSW of Volcano, HawaiiThu, Apr 11, 7:20 PM HST · 15149 days ago · 2 km deep · 3 km away
60. 1.712 km SSE of Volcano, HawaiiThu, Apr 11, 10:52 PM HST · 15148 days ago · 8 km deep · 12 km away

The first 60 of 197.

Before

1. 2.113 km WSW of Volcano, HawaiiThu, Mar 28, 7:13 AM HST · 15163 days ago · 8 km deep · 10 km away
2. 1.812 km SSE of Fern Forest, HawaiiWed, Mar 27, 7:06 PM HST · 15164 days ago · 5 km deep · 20 km away
3. 2.110 km N of Wai‘?hinu, HawaiiWed, Mar 27, 1:26 PM HST · 15164 days ago · 7 km deep · 47 km away
4. 2.243 km SE of Naalehu, HawaiiWed, Mar 27, 9:16 AM HST · 15164 days ago · 49 km deep · 64 km away
5. 1.813 km SSE of Volcano, HawaiiWed, Mar 27, 3:21 AM HST · 15164 days ago · 6 km deep · 12 km away
6. 1.713 km SSE of Fern Forest, HawaiiTue, Mar 26, 11:57 AM HST · 15165 days ago · 7 km deep · 21 km away
7. 2.719 km N of P?hala, HawaiiTue, Mar 26, 2:04 AM HST · 15165 days ago · 9 km deep · 20 km away
8. 2.218 km NNE of P?hala, HawaiiTue, Mar 26, 12:14 AM HST · 15165 days ago · 8 km deep · 17 km away
9. 2.418 km SSW of Volcano, HawaiiMon, Mar 25, 2:16 PM HST · 15166 days ago · 30 km deep · 15 km away
10. 2.124 km W of Volcano, HawaiiMon, Mar 25, 5:53 AM HST · 15166 days ago · 6 km deep · 22 km away
11. 1.712 km SSE of Volcano, HawaiiSun, Mar 24, 6:37 PM HST · 15167 days ago · 4 km deep · 11 km away
12. 2.116 km SE of Fern Forest, HawaiiSun, Mar 24, 4:26 PM HST · 15167 days ago · 8 km deep · 24 km away
13. 2.53 km W of Honaunau-Napoopoo, HawaiiSun, Mar 24, 4:09 PM HST · 15167 days ago · 8 km deep · 67 km away
14. 2.618 km E of Honaunau-Napoopoo, HawaiiSun, Mar 24, 2:38 AM HST · 15167 days ago · 4 km deep · 45 km away
15. 2.217 km S of Pa‘auilo, HawaiiSat, Mar 23, 2:09 AM HST · 15168 days ago · 24 km deep · 53 km away
16. 2.84 km SE of Honaunau-Napoopoo, HawaiiSat, Mar 23, 12:56 AM HST · 15168 days ago · 11 km deep · 61 km away
17. 2.714 km S of Fern Forest, HawaiiFri, Mar 22, 6:43 PM HST · 15169 days ago · 8 km deep · 16 km away
18. 2.413 km S of Volcano, HawaiiThu, Mar 21, 8:08 PM HST · 15170 days ago · 30 km deep · 11 km away
19. 2.120 km SW of Laup?hoehoe, HawaiiThu, Mar 21, 2:31 PM HST · 15170 days ago · 2 km deep · 48 km away
20. 1.815 km S of Fern Forest, HawaiiThu, Mar 21, 1:25 AM HST · 15170 days ago · 5 km deep · 16 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19850512. Read Fri, Oct 2, 2026, 7:06 PM UTC.