M1.6 earthquake 12 km SSE of Volcano, Hawaii

Magnitude

1.6 (ml), micro

Local time

Wed, Apr 21, 1982, 5:48 AM HST

UTC

1982-04-21 15:48:53 UTC

Depth

8.1 km (5.0 mi), shallow

Epicenter

19.337° N, 155.197° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

78°

Stations used

28

• Volcano, HawaiiPopulation 2,575. Forecast12 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast37 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast354 kmSE

After

1. 2.310 km S of Honaunau-Napoopoo, HawaiiWed, Apr 21, 11:20 AM HST · 16232 days ago · 5 km deep · 71 km away
2. 1.512 km SSE of Volcano, HawaiiWed, Apr 21, 5:55 PM HST · 16232 days ago · 8 km deep · 1 km away
3. 2.28 km SW of Volcano, HawaiiWed, Apr 21, 8:00 PM HST · 16232 days ago · 2 km deep · 10 km away
4. 2.014 km SSE of Volcano, HawaiiWed, Apr 21, 9:55 PM HST · 16231 days ago · 8 km deep · 2 km away
5. 2.57 km SW of Volcano, HawaiiThu, Apr 22, 2:39 AM HST · 16231 days ago · 2 km deep · 10 km away
6. 2.17 km SW of Volcano, HawaiiThu, Apr 22, 2:49 AM HST · 16231 days ago · 2 km deep · 10 km away
7. 1.614 km S of Volcano, HawaiiThu, Apr 22, 3:58 AM HST · 16231 days ago · 7 km deep · 4 km away
8. 1.57 km SW of Volcano, HawaiiThu, Apr 22, 4:10 AM HST · 16231 days ago · 2 km deep · 10 km away
9. 2.714 km S of Volcano, HawaiiThu, Apr 22, 8:25 AM HST · 16231 days ago · 8 km deep · 4 km away
10. 1.97 km SW of Volcano, HawaiiThu, Apr 22, 9:13 AM HST · 16231 days ago · 2 km deep · 10 km away
11. 2.08 km SW of Volcano, HawaiiThu, Apr 22, 9:13 AM HST · 16231 days ago · 2 km deep · 10 km away
12. 3.111 km S of Volcano, HawaiiThu, Apr 22, 12:07 PM HST · 16231 days ago · 9 km deep · 2 km away
13. 2.77 km SW of Volcano, HawaiiThu, Apr 22, 2:40 PM HST · 16231 days ago · 2 km deep · 10 km away
14. 3.07 km SW of Volcano, HawaiiThu, Apr 22, 2:45 PM HST · 16231 days ago · 2 km deep · 10 km away
15. 1.613 km SSE of Eden Roc, HawaiiThu, Apr 22, 5:52 PM HST · 16231 days ago · 7 km deep · 18 km away
16. 2.122 km W of Volcano, HawaiiThu, Apr 22, 6:22 PM HST · 16231 days ago · 7 km deep · 29 km away
17. 2.225 km E of Honaunau-Napoopoo, HawaiiThu, Apr 22, 6:59 PM HST · 16231 days ago · 0 km deep · 46 km away
18. 2.525 km E of Honaunau-Napoopoo, HawaiiThu, Apr 22, 9:34 PM HST · 16230 days ago · -2 km deep · 46 km away
19. 2.719 km ENE of Honaunau-Napoopoo, HawaiiFri, Apr 23, 2:59 AM HST · 16230 days ago · 6 km deep · 57 km away
20. 3.59 km S of Volcano, HawaiiFri, Apr 23, 10:25 AM HST · 16230 days ago · 8 km deep · 6 km away
21. 2.86 km NNE of P?hala, HawaiiFri, Apr 23, 11:36 AM HST · 16230 days ago · 9 km deep · 28 km away
22. 1.98 km SW of Volcano, HawaiiFri, Apr 23, 11:27 PM HST · 16229 days ago · 1 km deep · 10 km away
23. 1.911 km S of Volcano, HawaiiSat, Apr 24, 1:41 AM HST · 16229 days ago · 7 km deep · 2 km away
24. 2.36 km SW of Volcano, HawaiiSat, Apr 24, 2:38 AM HST · 16229 days ago · 2 km deep · 11 km away
25. 2.45 km SSW of Volcano, HawaiiSat, Apr 24, 2:52 AM HST · 16229 days ago · 0 km deep · 9 km away
26. 2.95 km SSW of Volcano, HawaiiSat, Apr 24, 2:54 AM HST · 16229 days ago · 0 km deep · 9 km away
27. 1.85 km SW of Volcano, HawaiiSat, Apr 24, 3:55 AM HST · 16229 days ago · 0 km deep · 10 km away
28. 1.96 km SSW of Volcano, HawaiiSat, Apr 24, 4:48 AM HST · 16229 days ago · 0 km deep · 9 km away
29. 1.814 km S of Volcano, HawaiiSat, Apr 24, 9:09 AM HST · 16229 days ago · 5 km deep · 4 km away
30. 2.815 km SSE of Waimea, HawaiiSat, Apr 24, 12:13 PM HST · 16229 days ago · 6 km deep · 76 km away
31. 2.619 km E of P?hala, HawaiiSat, Apr 24, 8:22 PM HST · 16228 days ago · 23 km deep · 21 km away
32. 2.413 km SSW of Volcano, HawaiiSun, Apr 25, 9:18 AM HST · 16228 days ago · 7 km deep · 7 km away
33. 2.619 km WSW of Volcano, HawaiiSun, Apr 25, 9:33 PM HST · 16227 days ago · 9 km deep · 24 km away
34. 2.015 km S of Fern Forest, HawaiiMon, Apr 26, 12:53 AM HST · 16227 days ago · 8 km deep · 7 km away
35. 2.212 km NE of P?hala, HawaiiMon, Apr 26, 1:35 AM HST · 16227 days ago · 5 km deep · 21 km away
36. 1.615 km S of Fern Forest, HawaiiMon, Apr 26, 5:57 AM HST · 16227 days ago · 8 km deep · 6 km away
37. 3.05 km WSW of Volcano, HawaiiTue, Apr 27, 1:27 AM HST · 16226 days ago · 2 km deep · 13 km away
38. 1.918 km WSW of Volcano, HawaiiTue, Apr 27, 2:41 AM HST · 16226 days ago · 7 km deep · 22 km away
39. 2.15 km SSW of Volcano, HawaiiTue, Apr 27, 4:17 AM HST · 16226 days ago · 2 km deep · 9 km away
40. 2.315 km S of Volcano, HawaiiTue, Apr 27, 1:13 PM HST · 16226 days ago · 7 km deep · 5 km away
41. 3.416 km SSE of Fern Forest, HawaiiTue, Apr 27, 8:23 PM HST · 16225 days ago · 9 km deep · 15 km away
42. 1.613 km S of Volcano, HawaiiTue, Apr 27, 11:56 PM HST · 16225 days ago · 6 km deep · 6 km away
43. 2.523 km E of Honaunau-Napoopoo, HawaiiThu, Apr 29, 4:14 AM HST · 16224 days ago · 1 km deep · 48 km away
44. 2.55 km SW of Volcano, HawaiiThu, Apr 29, 5:28 AM HST · 16224 days ago · 0 km deep · 10 km away
45. 2.25 km WSW of Volcano, HawaiiThu, Apr 29, 11:50 AM HST · 16224 days ago · 2 km deep · 13 km away
46. 2.28 km SW of Volcano, HawaiiThu, Apr 29, 2:02 PM HST · 16224 days ago · 23 km deep · 10 km away
47. 2.825 km E of Honaunau-Napoopoo, HawaiiThu, Apr 29, 2:05 PM HST · 16224 days ago · -2 km deep · 46 km away
48. 2.528 km E of Honaunau-Napoopoo, HawaiiThu, Apr 29, 5:41 PM HST · 16224 days ago · 0 km deep · 44 km away
49. 3.413 km SSE of Fern Forest, HawaiiFri, Apr 30, 8:48 AM HST · 16223 days ago · 8 km deep · 12 km away
50. 2.25 km SW of Volcano, HawaiiFri, Apr 30, 8:54 AM HST · 16223 days ago · 1 km deep · 12 km away
51. 2.55 km SSW of Volcano, HawaiiFri, Apr 30, 8:55 AM HST · 16223 days ago · 2 km deep · 9 km away
52. 1.65 km SW of Volcano, HawaiiFri, Apr 30, 9:01 AM HST · 16223 days ago · 0 km deep · 10 km away
53. 1.86 km SW of Volcano, HawaiiFri, Apr 30, 9:02 AM HST · 16223 days ago · 2 km deep · 11 km away
54. 1.65 km SW of Volcano, HawaiiFri, Apr 30, 9:04 AM HST · 16223 days ago · 1 km deep · 12 km away
55. 2.2Island of Hawaii, HawaiiFri, Apr 30, 9:09 AM HST · 16223 days ago · 0 km deep · 13 km away
56. 2.15 km SW of Volcano, HawaiiFri, Apr 30, 9:10 AM HST · 16223 days ago · 0 km deep · 10 km away
57. 2.35 km SW of Volcano, HawaiiFri, Apr 30, 9:10 AM HST · 16223 days ago · 0 km deep · 10 km away
58. 2.25 km SW of Volcano, HawaiiFri, Apr 30, 9:11 AM HST · 16223 days ago · 1 km deep · 11 km away
59. 2.77 km SW of Volcano, HawaiiFri, Apr 30, 9:16 AM HST · 16223 days ago · 2 km deep · 10 km away
60. 2.07 km SW of Volcano, HawaiiFri, Apr 30, 9:18 AM HST · 16223 days ago · 2 km deep · 11 km away

The first 60 of at least 201.

Before

1. 2.616 km SE of Waimea, HawaiiWed, Apr 21, 1:46 AM HST · 16232 days ago · 29 km deep · 75 km away
2. 2.514 km S of Fern Forest, HawaiiTue, Apr 20, 8:42 PM HST · 16232 days ago · 8 km deep · 8 km away
3. 2.415 km SE of Fern Forest, HawaiiTue, Apr 20, 7:12 PM HST · 16233 days ago · 7 km deep · 17 km away
4. 2.35 km SSW of Volcano, HawaiiTue, Apr 20, 1:35 PM HST · 16233 days ago · 2 km deep · 9 km away
5. 1.711 km S of Volcano, HawaiiTue, Apr 20, 1:25 PM HST · 16233 days ago · 8 km deep · 2 km away
6. 2.54 km W of Volcano, HawaiiTue, Apr 20, 6:54 AM HST · 16233 days ago · -1 km deep · 14 km away
7. 2.69 km NNW of Wai‘?hinu, HawaiiMon, Apr 19, 8:56 PM HST · 16233 days ago · 5 km deep · 53 km away
8. 2.224 km W of Volcano, HawaiiMon, Apr 19, 8:43 PM HST · 16233 days ago · 8 km deep · 30 km away
9. 2.04 km SW of Volcano, HawaiiMon, Apr 19, 7:18 PM HST · 16234 days ago · 3 km deep · 12 km away
10. 1.911 km S of Volcano, HawaiiMon, Apr 19, 11:00 AM HST · 16234 days ago · 8 km deep · 3 km away
11. 2.114 km S of Fern Forest, HawaiiMon, Apr 19, 4:04 AM HST · 16234 days ago · 6 km deep · 8 km away
12. 2.116 km SSE of Fern Forest, HawaiiMon, Apr 19, 3:14 AM HST · 16234 days ago · 8 km deep · 15 km away
13. 2.016 km SSE of Fern Forest, HawaiiMon, Apr 19, 3:12 AM HST · 16234 days ago · 8 km deep · 15 km away
14. 2.57 km SW of Volcano, HawaiiMon, Apr 19, 3:07 AM HST · 16234 days ago · 2 km deep · 10 km away
15. 4.016 km SSE of Fern Forest, HawaiiMon, Apr 19, 3:02 AM HST · 16234 days ago · 9 km deep · 14 km away
16. 2.116 km SSE of Fern Forest, HawaiiMon, Apr 19, 2:40 AM HST · 16234 days ago · 8 km deep · 14 km away
17. 3.915 km SSE of Fern Forest, HawaiiMon, Apr 19, 2:23 AM HST · 16234 days ago · 9 km deep · 13 km away
18. 2.718 km S of Waikoloa, HawaiiMon, Apr 19, 2:01 AM HST · 16234 days ago · 13 km deep · 79 km away
19. 1.97 km SW of Volcano, HawaiiMon, Apr 19, 12:12 AM HST · 16234 days ago · 2 km deep · 11 km away
20. 1.615 km SSE of Volcano, HawaiiSun, Apr 18, 7:51 AM HST · 16235 days ago · 6 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19820985. Read Tue, Sep 29, 2026, 5:43 PM UTC.