M1.8 earthquake 13 km W of Volcano, Hawaii

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Thu, Jul 18, 1985, 7:56 PM HST

UTC

1985-07-19 05:56:09 UTC

Depth

7.2 km (4.5 mi), shallow

Epicenter

19.424° N, 155.361° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

33°

Stations used

35

• Volcano, HawaiiPopulation 2,575. Forecast14 kmW
• Hilo, HawaiiPopulation 43,263. Forecast44 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast334 kmSE

After

1. 1.815 km S of Fern Forest, HawaiiFri, Jul 19, 8:46 AM HST · 15049 days ago · 8 km deep · 27 km away
2. 1.68 km WNW of P?hala, HawaiiFri, Jul 19, 11:57 PM HST · 15048 days ago · 6 km deep · 29 km away
3. 1.612 km SSE of Fern Forest, HawaiiSat, Jul 20, 7:37 AM HST · 15048 days ago · 7 km deep · 31 km away
4. 2.021 km N of P?hala, HawaiiSat, Jul 20, 1:45 PM HST · 15048 days ago · 9 km deep · 9 km away
5. 1.713 km SSE of Volcano, HawaiiSun, Jul 21, 9:14 AM HST · 15047 days ago · 6 km deep · 21 km away
6. 2.112 km SE of Naalehu, HawaiiSun, Jul 21, 12:47 PM HST · 15047 days ago · 38 km deep · 49 km away
7. 2.011 km W of P?hala, HawaiiSun, Jul 21, 7:10 PM HST · 15047 days ago · 7 km deep · 36 km away
8. 1.815 km SSE of Fern Forest, HawaiiMon, Jul 22, 5:34 AM HST · 15046 days ago · 5 km deep · 29 km away
9. 1.59 km NNE of P?hala, HawaiiMon, Jul 22, 6:04 AM HST · 15046 days ago · 8 km deep · 18 km away
10. 1.69 km WSW of Volcano, HawaiiMon, Jul 22, 9:48 AM HST · 15046 days ago · 6 km deep · 5 km away
11. 1.76 km SW of Volcano, HawaiiMon, Jul 22, 5:19 PM HST · 15046 days ago · 15 km deep · 9 km away
12. 2.015 km S of Fern Forest, HawaiiTue, Jul 23, 2:04 AM HST · 15045 days ago · 8 km deep · 27 km away
13. 1.818 km N of P?hala, HawaiiTue, Jul 23, 6:27 AM HST · 15045 days ago · 9 km deep · 12 km away
14. 2.25 km SSE of Honaunau-Napoopoo, HawaiiTue, Jul 23, 7:40 AM HST · 15045 days ago · 12 km deep · 51 km away
15. 2.010 km WSW of Volcano, HawaiiTue, Jul 23, 9:43 AM HST · 15045 days ago · 5 km deep · 4 km away
16. 2.610 km SSE of Hala‘ula, HawaiiWed, Jul 24, 7:20 AM HST · 15044 days ago · 31 km deep · 90 km away
17. 2.929 km SSW of Pa‘auilo, HawaiiWed, Jul 24, 11:47 AM HST · 15044 days ago · 21 km deep · 41 km away
18. 2.48 km NNE of Wai‘?hinu, HawaiiThu, Jul 25, 5:17 AM HST · 15043 days ago · 7 km deep · 39 km away
19. 1.818 km N of P?hala, HawaiiThu, Jul 25, 6:25 PM HST · 15043 days ago · 8 km deep · 14 km away
20. 1.920 km W of Volcano, HawaiiThu, Jul 25, 11:45 PM HST · 15042 days ago · 0 km deep · 8 km away
21. 2.59 km NW of Fern Forest, HawaiiFri, Jul 26, 7:49 AM HST · 15042 days ago · 23 km deep · 21 km away
22. 1.99 km WSW of Volcano, HawaiiFri, Jul 26, 11:04 PM HST · 15041 days ago · 5 km deep · 5 km away
23. 2.119 km N of P?hala, HawaiiSat, Jul 27, 5:52 AM HST · 15041 days ago · 8 km deep · 11 km away
24. 2.115 km S of Volcano, HawaiiSat, Jul 27, 10:23 AM HST · 15041 days ago · 9 km deep · 21 km away
25. 1.918 km NNE of P?hala, HawaiiSat, Jul 27, 12:37 PM HST · 15041 days ago · 9 km deep · 9 km away
26. 1.817 km N of P?hala, HawaiiSat, Jul 27, 6:42 PM HST · 15041 days ago · 7 km deep · 16 km away
27. 2.47 km WSW of Honoka‘a, HawaiiSun, Jul 28, 6:57 PM HST · 15040 days ago · 7 km deep · 72 km away
28. 1.95 km SW of Volcano, HawaiiSun, Jul 28, 9:52 PM HST · 15039 days ago · 18 km deep · 10 km away
29. 2.437 km ESE of Naalehu, HawaiiSun, Jul 28, 11:56 PM HST · 15039 days ago · 14 km deep · 59 km away
30. 2.146 km SE of Naalehu, HawaiiMon, Jul 29, 2:52 AM HST · 15039 days ago · 11 km deep · 70 km away
31. 2.112 km SSE of Volcano, HawaiiMon, Jul 29, 4:10 AM HST · 15039 days ago · 8 km deep · 20 km away
32. 1.713 km SSE of Volcano, HawaiiMon, Jul 29, 11:22 AM HST · 15039 days ago · 8 km deep · 21 km away
33. 1.913 km S of Volcano, HawaiiTue, Jul 30, 2:20 AM HST · 15038 days ago · 8 km deep · 16 km away
34. 2.316 km SE of Fern Forest, HawaiiTue, Jul 30, 9:43 AM HST · 15038 days ago · 6 km deep · 36 km away
35. 1.915 km S of Volcano, HawaiiTue, Jul 30, 3:03 PM HST · 15038 days ago · 8 km deep · 17 km away
36. 1.89 km WSW of Volcano, HawaiiWed, Jul 31, 6:50 AM HST · 15037 days ago · 4 km deep · 5 km away
37. 1.85 km SSE of Leilani Estates, HawaiiWed, Jul 31, 8:13 AM HST · 15037 days ago · 9 km deep · 49 km away
38. 2.938 km ESE of Naalehu, HawaiiWed, Jul 31, 9:40 AM HST · 15037 days ago · 13 km deep · 59 km away
39. 1.614 km SSE of Volcano, HawaiiWed, Jul 31, 6:22 PM HST · 15037 days ago · 6 km deep · 22 km away
40. 2.016 km SSE of Volcano, HawaiiWed, Jul 31, 7:29 PM HST · 15037 days ago · 7 km deep · 24 km away
41. 1.910 km N of P?hala, HawaiiWed, Jul 31, 8:03 PM HST · 15037 days ago · 8 km deep · 18 km away
42. 2.69 km WSW of Volcano, HawaiiWed, Jul 31, 10:05 PM HST · 15036 days ago · 4 km deep · 5 km away
43. 2.115 km S of Fern Forest, HawaiiWed, Jul 31, 11:43 PM HST · 15036 days ago · 5 km deep · 26 km away
44. 1.615 km S of Fern Forest, HawaiiThu, Aug 1, 7:14 AM HST · 15036 days ago · 7 km deep · 27 km away
45. 1.812 km SSE of Fern Forest, HawaiiThu, Aug 1, 3:05 PM HST · 15036 days ago · 7 km deep · 28 km away
46. 2.414 km SSE of Eden Roc, HawaiiThu, Aug 1, 3:09 PM HST · 15036 days ago · 8 km deep · 35 km away
47. 1.716 km WSW of Volcano, HawaiiThu, Aug 1, 11:20 PM HST · 15035 days ago · 9 km deep · 5 km away
48. 1.92 km SSW of P?hala, HawaiiFri, Aug 2, 12:52 AM HST · 15035 days ago · 33 km deep · 30 km away
49. 1.811 km S of Volcano, HawaiiSat, Aug 3, 1:23 AM HST · 15034 days ago · 6 km deep · 18 km away
50. 1.62 km SSW of P?hala, HawaiiSat, Aug 3, 4:21 PM HST · 15034 days ago · 33 km deep · 30 km away
51. 1.75 km SSW of Volcano, HawaiiSun, Aug 4, 2:17 AM HST · 15033 days ago · 2 km deep · 11 km away
52. 2.246 km ESE of Naalehu, HawaiiSun, Aug 4, 4:41 AM HST · 15033 days ago · 22 km deep · 64 km away
53. 1.613 km SSE of Volcano, HawaiiSun, Aug 4, 8:06 AM HST · 15033 days ago · 6 km deep · 20 km away
54. 2.13 km SSE of P?hala, HawaiiSun, Aug 4, 10:07 AM HST · 15033 days ago · 7 km deep · 30 km away
55. 3.24 km SSW of Ainaloa, HawaiiSun, Aug 4, 12:03 PM HST · 15033 days ago · 43 km deep · 38 km away
56. 3.06 km SSW of Leilani Estates, HawaiiSun, Aug 4, 5:24 PM HST · 15033 days ago · 39 km deep · 44 km away
57. 2.823 km WSW of Wainaku, HawaiiSun, Aug 4, 6:46 PM HST · 15033 days ago · 33 km deep · 29 km away
58. 1.817 km NNE of P?hala, HawaiiSun, Aug 4, 8:10 PM HST · 15033 days ago · 8 km deep · 10 km away
59. 2.510 km S of Volcano, HawaiiMon, Aug 5, 5:10 PM HST · 15032 days ago · 8 km deep · 17 km away
60. 2.113 km S of Volcano, HawaiiMon, Aug 5, 6:21 PM HST · 15032 days ago · 9 km deep · 19 km away

The first 60 of 198.

Before

1. 1.824 km N of P?hala, HawaiiThu, Jul 18, 5:40 PM HST · 15050 days ago · 6 km deep · 14 km away
2. 1.97 km N of P?hala, HawaiiThu, Jul 18, 4:28 PM HST · 15050 days ago · 7 km deep · 20 km away
3. 2.113 km W of Volcano, HawaiiThu, Jul 18, 11:01 AM HST · 15050 days ago · 8 km deep · 1 km away
4. 2.313 km WSW of Volcano, HawaiiThu, Jul 18, 8:15 AM HST · 15050 days ago · 10 km deep · 5 km away
5. 2.58 km N of Volcano, HawaiiThu, Jul 18, 3:27 AM HST · 15050 days ago · 24 km deep · 16 km away
6. 2.821 km N of P?hala, HawaiiThu, Jul 18, 2:18 AM HST · 15050 days ago · 9 km deep · 11 km away
7. 1.912 km SSE of Fern Forest, HawaiiWed, Jul 17, 11:33 PM HST · 15050 days ago · 8 km deep · 31 km away
8. 1.713 km SSE of Volcano, HawaiiWed, Jul 17, 8:00 AM HST · 15051 days ago · 7 km deep · 21 km away
9. 2.013 km SSE of Volcano, HawaiiTue, Jul 16, 11:37 PM HST · 15051 days ago · 8 km deep · 22 km away
10. 1.715 km SSE of Volcano, HawaiiTue, Jul 16, 11:08 PM HST · 15051 days ago · 6 km deep · 24 km away
11. 2.2Island of Hawaii, HawaiiTue, Jul 16, 6:32 AM HST · 15052 days ago · 9 km deep · 20 km away
12. 1.715 km S of Fern Forest, HawaiiTue, Jul 16, 3:28 AM HST · 15052 days ago · 8 km deep · 26 km away
13. 2.811 km W of P?hala, HawaiiMon, Jul 15, 8:04 AM HST · 15053 days ago · 7 km deep · 36 km away
14. 2.011 km WNW of P?hala, HawaiiMon, Jul 15, 3:17 AM HST · 15053 days ago · 5 km deep · 31 km away
15. 1.912 km SSE of Volcano, HawaiiSun, Jul 14, 9:26 PM HST · 15054 days ago · 7 km deep · 21 km away
16. 3.123 km SE of Waikoloa, HawaiiSun, Jul 14, 3:57 AM HST · 15054 days ago · 10 km deep · 49 km away
17. 2.024 km W of Volcano, HawaiiSat, Jul 13, 3:37 PM HST · 15055 days ago · 7 km deep · 12 km away
18. 2.218 km N of P?hala, HawaiiSat, Jul 13, 2:10 PM HST · 15055 days ago · 8 km deep · 11 km away
19. 1.615 km SE of Fern Forest, HawaiiSat, Jul 13, 12:23 PM HST · 15055 days ago · 5 km deep · 34 km away
20. 2.013 km SSE of Volcano, HawaiiSat, Jul 13, 7:19 AM HST · 15055 days ago · 7 km deep · 20 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19851152. Read Thu, Oct 1, 2026, 7:04 PM UTC.