M1.7 earthquake 15 km S of Volcano, Hawaii

Magnitude

1.7 (ml), micro

Local time

Wed, Feb 20, 1985, 1:21 PM HST

UTC

1985-02-20 23:21:23 UTC

Depth

6.3 km (3.9 mi), shallow

Epicenter

19.302° N, 155.220° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.6 km in depth

Depth from

From location

Station coverage gap

93°

Stations used

41

• Volcano, HawaiiPopulation 2,575. Forecast16 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast41 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast354 kmSE

After

1. 2.011 km S of Volcano, HawaiiThu, Feb 21, 8:55 AM HST · 15196 days ago · 7 km deep · 4 km away
2. 2.020 km NNE of P?hala, HawaiiThu, Feb 21, 9:26 AM HST · 15196 days ago · 9 km deep · 23 km away
3. 4.813 km SSE of Volcano, HawaiiThu, Feb 21, 7:48 PM HST · 15196 days ago · 9 km deep · 3 km away
4. 1.714 km SSE of Volcano, HawaiiThu, Feb 21, 7:57 PM HST · 15196 days ago · 6 km deep · 3 km away
5. 1.912 km W of Volcano, HawaiiThu, Feb 21, 7:59 PM HST · 15196 days ago · 9 km deep · 19 km away
6. 1.712 km SSE of Volcano, HawaiiThu, Feb 21, 8:03 PM HST · 15196 days ago · 5 km deep · 4 km away
7. 2.312 km SSE of Volcano, HawaiiThu, Feb 21, 8:05 PM HST · 15196 days ago · 7 km deep · 4 km away
8. 2.212 km SSE of Volcano, HawaiiThu, Feb 21, 8:30 PM HST · 15196 days ago · 8 km deep · 5 km away
9. 1.7Island of Hawaii, HawaiiThu, Feb 21, 9:39 PM HST · 15196 days ago · 7 km deep · 4 km away
10. 2.312 km SW of Leilani Estates, HawaiiThu, Feb 21, 10:57 PM HST · 15196 days ago · 8 km deep · 24 km away
11. 1.714 km S of Volcano, HawaiiThu, Feb 21, 11:03 PM HST · 15196 days ago · 6 km deep · 2 km away
12. 1.613 km SSE of Volcano, HawaiiFri, Feb 22, 1:54 AM HST · 15196 days ago · 7 km deep · 4 km away
13. 1.614 km SSE of Volcano, HawaiiFri, Feb 22, 3:33 AM HST · 15195 days ago · 6 km deep · 4 km away
14. 1.511 km ENE of P?hala, HawaiiFri, Feb 22, 3:43 AM HST · 15195 days ago · 4 km deep · 18 km away
15. 1.812 km NE of P?hala, HawaiiFri, Feb 22, 5:14 AM HST · 15195 days ago · 2 km deep · 18 km away
16. 2.412 km ENE of P?hala, HawaiiFri, Feb 22, 5:17 AM HST · 15195 days ago · 4 km deep · 18 km away
17. 1.615 km S of Fern Forest, HawaiiFri, Feb 22, 6:02 AM HST · 15195 days ago · 7 km deep · 11 km away
18. 1.815 km W of Volcano, HawaiiFri, Feb 22, 6:46 AM HST · 15195 days ago · 3 km deep · 22 km away
19. 1.616 km SE of Fern Forest, HawaiiFri, Feb 22, 7:55 AM HST · 15195 days ago · 4 km deep · 20 km away
20. 1.914 km SSE of Eden Roc, HawaiiFri, Feb 22, 2:41 PM HST · 15195 days ago · 7 km deep · 21 km away
21. 2.05 km SSW of Volcano, HawaiiFri, Feb 22, 10:04 PM HST · 15195 days ago · 3 km deep · 11 km away
22. 2.015 km S of Volcano, HawaiiSat, Feb 23, 8:43 AM HST · 15194 days ago · 8 km deep · 1 km away
23. 2.114 km NE of P?hala, HawaiiSat, Feb 23, 9:58 AM HST · 15194 days ago · 7 km deep · 16 km away
24. 1.514 km SSE of Volcano, HawaiiSat, Feb 23, 2:45 PM HST · 15194 days ago · 5 km deep · 3 km away
25. 2.025 km N of P?hala, HawaiiSat, Feb 23, 3:03 PM HST · 15194 days ago · 7 km deep · 33 km away
26. 2.122 km W of Volcano, HawaiiSat, Feb 23, 6:02 PM HST · 15194 days ago · 1 km deep · 31 km away
27. 1.715 km S of Volcano, HawaiiSun, Feb 24, 8:40 AM HST · 15193 days ago · 8 km deep · 1 km away
28. 2.612 km SSE of Volcano, HawaiiSun, Feb 24, 3:08 PM HST · 15193 days ago · 7 km deep · 4 km away
29. 1.910 km WNW of Volcano, HawaiiSun, Feb 24, 7:30 PM HST · 15193 days ago · 11 km deep · 23 km away
30. 3.014 km SSW of Honoka‘a, HawaiiSun, Feb 24, 9:41 PM HST · 15193 days ago · 39 km deep · 79 km away
31. 2.2Island of Hawaii, HawaiiSun, Feb 24, 10:46 PM HST · 15193 days ago · 8 km deep · 26 km away
32. 1.615 km SE of Fern Forest, HawaiiSun, Feb 24, 11:00 PM HST · 15193 days ago · 7 km deep · 21 km away
33. 2.214 km S of Volcano, HawaiiSun, Feb 24, 11:30 PM HST · 15193 days ago · 8 km deep · 1 km away
34. 1.614 km SE of Fern Forest, HawaiiMon, Feb 25, 12:59 AM HST · 15193 days ago · 4 km deep · 20 km away
35. 2.124 km NW of Volcano, HawaiiMon, Feb 25, 7:57 AM HST · 15192 days ago · 11 km deep · 37 km away
36. 1.616 km SW of Leilani Estates, HawaiiMon, Feb 25, 12:26 PM HST · 15192 days ago · 5 km deep · 22 km away
37. 2.15 km ENE of P?hala, HawaiiMon, Feb 25, 4:36 PM HST · 15192 days ago · 9 km deep · 24 km away
38. 2.123 km N of P?hala, HawaiiMon, Feb 25, 6:51 PM HST · 15192 days ago · 9 km deep · 33 km away
39. 1.922 km WSW of Volcano, HITue, Feb 26, 11:08 AM HST · 15191 days ago · 7 km deep · 26 km away
40. 2.19 km WSW of Volcano, HawaiiTue, Feb 26, 2:42 PM HST · 15191 days ago · 5 km deep · 16 km away
41. 2.112 km WSW of Volcano, HawaiiTue, Feb 26, 6:52 PM HST · 15191 days ago · 9 km deep · 16 km away
42. 2.47 km SW of Volcano, HawaiiTue, Feb 26, 7:27 PM HST · 15191 days ago · 2 km deep · 13 km away
43. 2.911 km W of P?hala, HawaiiTue, Feb 26, 7:28 PM HST · 15191 days ago · 7 km deep · 40 km away
44. 1.614 km NNW of P?hala, HawaiiTue, Feb 26, 11:49 PM HST · 15191 days ago · 7 km deep · 30 km away
45. 2.13 km WSW of Pa‘auilo, HawaiiWed, Feb 27, 10:06 AM HST · 15190 days ago · 6 km deep · 84 km away
46. 2.013 km SE of Waimea, HawaiiWed, Feb 27, 3:05 PM HST · 15190 days ago · 10 km deep · 81 km away
47. 3.07 km WSW of Honomu, HawaiiThu, Feb 28, 2:07 AM HST · 15189 days ago · 34 km deep · 61 km away
48. 1.99 km WSW of Volcano, HawaiiThu, Feb 28, 9:12 PM HST · 15189 days ago · 3 km deep · 17 km away
49. 1.813 km NNW of Wai‘?hinu, HawaiiThu, Feb 28, 11:25 PM HST · 15189 days ago · 4 km deep · 51 km away
50. 1.710 km WSW of Volcano, HawaiiFri, Mar 1, 5:01 AM HST · 15188 days ago · 2 km deep · 18 km away
51. 2.315 km SSE of Eden Roc, HawaiiFri, Mar 1, 8:30 AM HST · 15188 days ago · 7 km deep · 21 km away
52. 1.89 km WSW of Volcano, HawaiiFri, Mar 1, 7:54 PM HST · 15188 days ago · 2 km deep · 17 km away
53. 1.915 km SE of Fern Forest, HawaiiFri, Mar 1, 11:46 PM HST · 15188 days ago · 6 km deep · 21 km away
54. 1.717 km WSW of Volcano, HawaiiSat, Mar 2, 5:48 AM HST · 15187 days ago · 8 km deep · 22 km away
55. 2.62 km ENE of Fern Acres, HawaiiSat, Mar 2, 7:19 AM HST · 15187 days ago · 47 km deep · 29 km away
56. 1.613 km SSE of Volcano, HawaiiSat, Mar 2, 10:32 AM HST · 15187 days ago · 8 km deep · 4 km away
57. 3.214 km SSE of Volcano, HawaiiMon, Mar 4, 12:45 AM HST · 15186 days ago · 8 km deep · 3 km away
58. 1.64 km WSW of Volcano, HawaiiMon, Mar 4, 8:54 PM HST · 15185 days ago · 8 km deep · 14 km away
59. 3.017 km N of P?hala, HawaiiMon, Mar 4, 9:09 PM HST · 15185 days ago · 8 km deep · 28 km away
60. 1.513 km SSE of Volcano, HawaiiMon, Mar 4, 10:11 PM HST · 15185 days ago · 6 km deep · 3 km away

The first 60 of 197.

Before

1. 2.324 km N of P?hala, HawaiiWed, Feb 20, 1:05 PM HST · 15197 days ago · 7 km deep · 32 km away
2. 1.923 km N of P?hala, HawaiiWed, Feb 20, 12:42 PM HST · 15197 days ago · 6 km deep · 33 km away
3. 2.618 km N of P?hala, HawaiiWed, Feb 20, 10:33 AM HST · 15197 days ago · 8 km deep · 30 km away
4. 1.511 km SSE of Fern Forest, HawaiiWed, Feb 20, 3:53 AM HST · 15197 days ago · 8 km deep · 13 km away
5. 2.415 km S of Fern Forest, HawaiiTue, Feb 19, 9:30 PM HST · 15198 days ago · 7 km deep · 11 km away
6. 1.813 km NE of P?hala, HawaiiTue, Feb 19, 6:06 PM HST · 15198 days ago · 8 km deep · 18 km away
7. 2.616 km SE of Fern Forest, HawaiiTue, Feb 19, 9:11 AM HST · 15198 days ago · 7 km deep · 19 km away
8. 2.918 km N of P?hala, HawaiiMon, Feb 18, 6:05 AM HST · 15199 days ago · 8 km deep · 25 km away
9. 2.712 km WNW of P?hala, HawaiiMon, Feb 18, 4:19 AM HST · 15199 days ago · 6 km deep · 39 km away
10. 2.313 km SSE of Volcano, HawaiiSun, Feb 17, 11:43 PM HST · 15200 days ago · 8 km deep · 5 km away
11. 1.711 km S of Volcano, HawaiiSun, Feb 17, 11:42 PM HST · 15200 days ago · 8 km deep · 4 km away
12. 1.83 km WNW of Volcano, HawaiiSun, Feb 17, 11:18 PM HST · 15200 days ago · 11 km deep · 17 km away
13. 2.411 km WSW of Volcano, HawaiiSun, Feb 17, 8:58 PM HST · 15200 days ago · 8 km deep · 18 km away
14. 1.510 km NE of P?hala, HawaiiSun, Feb 17, 7:00 PM HST · 15200 days ago · 8 km deep · 21 km away
15. 2.013 km SE of Fern Forest, HawaiiSun, Feb 17, 1:13 PM HST · 15200 days ago · 8 km deep · 20 km away
16. 1.94 km SW of Volcano, HawaiiSun, Feb 17, 12:32 PM HST · 15200 days ago · 13 km deep · 13 km away
17. 1.76 km SW of Volcano, HawaiiSun, Feb 17, 6:14 AM HST · 15200 days ago · 6 km deep · 13 km away
18. 1.513 km NNE of P?hala, HawaiiSun, Feb 17, 5:44 AM HST · 15200 days ago · 8 km deep · 24 km away
19. 2.05 km N of Volcano, HawaiiSun, Feb 17, 3:43 AM HST · 15200 days ago · 10 km deep · 21 km away
20. 2.714 km SSE of Volcano, HawaiiSun, Feb 17, 3:32 AM HST · 15200 days ago · 9 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19850310. Read Wed, Sep 30, 2026, 11:31 PM UTC.