M1.6 earthquake 14 km S of Volcano, Hawaii

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Wed, Apr 29, 1987, 7:38 AM HST

UTC

1987-04-29 17:38:09 UTC

Depth

7.1 km (4.4 mi), shallow

Epicenter

19.311° N, 155.224° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.4 km in depth

Depth from

From location

Station coverage gap

78°

Stations used

32

• Volcano, HawaiiPopulation 2,575. Forecast15 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast41 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast353 kmSE

After

1. 2.314 km SSE of Volcano, HawaiiWed, Apr 29, 1:22 PM HST · 14400 days ago · 9 km deep · 6 km away
2. 1.816 km N of P?hala, HawaiiWed, Apr 29, 2:02 PM HST · 14400 days ago · 3 km deep · 25 km away
3. 2.36 km SW of Volcano, HawaiiWed, Apr 29, 2:16 PM HST · 14400 days ago · 15 km deep · 11 km away
4. 2.61 km S of P?hala, HawaiiWed, Apr 29, 5:13 PM HST · 14400 days ago · 32 km deep · 30 km away
5. 1.819 km N of P?hala, HawaiiWed, Apr 29, 8:50 PM HST · 14400 days ago · 8 km deep · 29 km away
6. 1.910 km S of Volcano, HawaiiWed, Apr 29, 11:00 PM HST · 14399 days ago · 7 km deep · 4 km away
7. 2.016 km S of Fern Forest, HawaiiWed, Apr 29, 11:40 PM HST · 14399 days ago · 9 km deep · 10 km away
8. 3.0Island of Hawaii, HawaiiThu, Apr 30, 3:59 AM HST · 14399 days ago · 8 km deep · 13 km away
9. 1.914 km S of Fern Forest, HawaiiThu, Apr 30, 12:06 PM HST · 14399 days ago · 7 km deep · 9 km away
10. 2.024 km W of Volcano, HawaiiThu, Apr 30, 7:14 PM HST · 14399 days ago · 9 km deep · 31 km away
11. 1.613 km SE of Fern Forest, HawaiiThu, Apr 30, 10:54 PM HST · 14398 days ago · 4 km deep · 19 km away
12. 2.42 km S of P?hala, HawaiiFri, May 1, 12:19 AM HST · 14398 days ago · 33 km deep · 30 km away
13. 3.620 km W of Volcano, HawaiiFri, May 1, 12:44 AM HST · 14398 days ago · 4 km deep · 27 km away
14. 1.62 km WSW of P?hala, HawaiiFri, May 1, 3:24 AM HST · 14398 days ago · 6 km deep · 32 km away
15. 2.029 km ENE of Honaunau-Napoopoo, HawaiiFri, May 1, 9:19 AM HST · 14398 days ago · 6 km deep · 47 km away
16. 2.36 km SSE of Fern Forest, HawaiiFri, May 1, 9:44 AM HST · 14398 days ago · 0 km deep · 16 km away
17. 1.914 km SSE of Volcano, HawaiiFri, May 1, 1:20 PM HST · 14398 days ago · 8 km deep · 6 km away
18. 2.014 km NNW of Wai‘?hinu, HawaiiFri, May 1, 5:45 PM HST · 14398 days ago · 6 km deep · 46 km away
19. 2.517 km S of Volcano, HawaiiFri, May 1, 6:03 PM HST · 14398 days ago · 10 km deep · 3 km away
20. 1.811 km NNW of P?hala, HawaiiFri, May 1, 7:11 PM HST · 14398 days ago · 8 km deep · 29 km away
21. 1.87 km NNE of P?hala, HawaiiSat, May 2, 2:20 AM HST · 14397 days ago · 9 km deep · 24 km away
22. 1.86 km NNE of P?hala, HawaiiSat, May 2, 2:28 AM HST · 14397 days ago · 8 km deep · 24 km away
23. 1.714 km SSE of Volcano, HawaiiSat, May 2, 9:16 AM HST · 14397 days ago · 6 km deep · 3 km away
24. 1.94 km SW of Volcano, HawaiiSat, May 2, 1:57 PM HST · 14397 days ago · 14 km deep · 12 km away
25. 1.813 km SSE of Fern Forest, HawaiiSat, May 2, 4:23 PM HST · 14397 days ago · 7 km deep · 17 km away
26. 1.915 km SE of Fern Forest, HawaiiSat, May 2, 5:53 PM HST · 14397 days ago · 7 km deep · 20 km away
27. 1.517 km S of Fern Forest, HawaiiSat, May 2, 11:01 PM HST · 14396 days ago · 5 km deep · 9 km away
28. 1.717 km SW of Leilani Estates, HawaiiSun, May 3, 2:45 AM HST · 14396 days ago · 5 km deep · 22 km away
29. 2.515 km SE of Fern Forest, HawaiiSun, May 3, 4:09 PM HST · 14396 days ago · 8 km deep · 18 km away
30. 1.715 km SSE of Volcano, HawaiiMon, May 4, 12:59 AM HST · 14395 days ago · 5 km deep · 5 km away
31. 1.914 km SSE of Volcano, HawaiiMon, May 4, 1:13 AM HST · 14395 days ago · 7 km deep · 3 km away
32. 1.612 km N of P?hala, HawaiiMon, May 4, 2:40 AM HST · 14395 days ago · 8 km deep · 29 km away
33. 2.013 km SSE of Fern Forest, HawaiiMon, May 4, 5:40 AM HST · 14395 days ago · 7 km deep · 14 km away
34. 2.35 km SSW of Volcano, HawaiiMon, May 4, 6:03 AM HST · 14395 days ago · 2 km deep · 10 km away
35. 1.816 km S of Fern Forest, HawaiiMon, May 4, 5:18 PM HST · 14395 days ago · 7 km deep · 10 km away
36. 1.517 km N of P?hala, HawaiiTue, May 5, 4:01 AM HST · 14394 days ago · 8 km deep · 27 km away
37. 1.614 km NNW of Wai‘?hinu, HawaiiTue, May 5, 1:36 PM HST · 14394 days ago · 7 km deep · 50 km away
38. 2.112 km S of Volcano, HawaiiTue, May 5, 1:37 PM HST · 14394 days ago · 6 km deep · 2 km away
39. 1.87 km SW of Volcano, HawaiiTue, May 5, 7:28 PM HST · 14394 days ago · 2 km deep · 11 km away
40. 2.11 km S of P?hala, HawaiiTue, May 5, 11:12 PM HST · 14393 days ago · 33 km deep · 30 km away
41. 3.519 km SSE of Honaunau-Napoopoo, HawaiiWed, May 6, 1:12 PM HST · 14393 days ago · 8 km deep · 59 km away
42. 2.35 km WSW of P?hala, HawaiiWed, May 6, 3:57 PM HST · 14393 days ago · 38 km deep · 34 km away
43. 2.313 km S of Pa‘auilo, HawaiiWed, May 6, 9:36 PM HST · 14393 days ago · 34 km deep · 69 km away
44. 2.014 km S of Fern Forest, HawaiiThu, May 7, 3:09 AM HST · 14392 days ago · 7 km deep · 10 km away
45. 2.312 km SSE of Fern Forest, HawaiiThu, May 7, 4:06 PM HST · 14392 days ago · 7 km deep · 17 km away
46. 2.34 km WSW of P?hala, HawaiiSat, May 9, 10:57 PM HST · 14389 days ago · 38 km deep · 33 km away
47. 2.422 km WNW of Volcano, HawaiiSun, May 10, 6:38 AM HST · 14389 days ago · 21 km deep · 32 km away
48. 2.2Island of Hawaii, HawaiiSun, May 10, 8:50 AM HST · 14389 days ago · 8 km deep · 23 km away
49. 2.841 km ESE of Naalehu, HawaiiSun, May 10, 7:44 PM HST · 14389 days ago · 24 km deep · 44 km away
50. 2.315 km S of Fern Forest, HawaiiSun, May 10, 8:45 PM HST · 14389 days ago · 8 km deep · 9 km away
51. 1.614 km S of Volcano, HawaiiMon, May 11, 2:11 AM HST · 14388 days ago · 7 km deep · 0 km away
52. 1.67 km N of P?hala, HawaiiMon, May 11, 10:29 AM HST · 14388 days ago · 8 km deep · 27 km away
53. 1.820 km N of P?hala, HawaiiMon, May 11, 3:01 PM HST · 14388 days ago · 8 km deep · 26 km away
54. 2.33 km NE of Honaunau-Napoopoo, HawaiiTue, May 12, 5:28 AM HST · 14387 days ago · 7 km deep · 68 km away
55. 1.913 km SSE of Volcano, HawaiiTue, May 12, 8:36 AM HST · 14387 days ago · 8 km deep · 5 km away
56. 2.116 km S of Volcano, HawaiiTue, May 12, 1:27 PM HST · 14387 days ago · 7 km deep · 1 km away
57. 2.915 km WNW of Volcano, HawaiiTue, May 12, 7:51 PM HST · 14387 days ago · 7 km deep · 26 km away
58. 1.525 km N of P?hala, HawaiiTue, May 12, 9:04 PM HST · 14387 days ago · 8 km deep · 30 km away
59. 2.120 km SSW of Leilani Estates, HawaiiWed, May 13, 6:02 AM HST · 14386 days ago · 39 km deep · 25 km away
60. 2.016 km S of Fern Forest, HawaiiWed, May 13, 2:52 PM HST · 14386 days ago · 7 km deep · 9 km away

The first 60 of at least 200.

Before

1. 1.612 km SSE of Volcano, HawaiiTue, Apr 28, 5:21 AM HST · 14401 days ago · 7 km deep · 3 km away
2. 1.610 km S of Volcano, HawaiiTue, Apr 28, 2:32 AM HST · 14401 days ago · 8 km deep · 5 km away
3. 1.67 km WNW of Volcano, HawaiiMon, Apr 27, 11:53 PM HST · 14401 days ago · 11 km deep · 19 km away
4. 1.820 km N of P?hala, HawaiiMon, Apr 27, 6:08 PM HST · 14402 days ago · 7 km deep · 29 km away
5. 3.10 km NNE of P?hala, HawaiiMon, Apr 27, 1:28 PM HST · 14402 days ago · 0 km deep · 29 km away
6. 2.41 km S of P?hala, HawaiiMon, Apr 27, 1:11 PM HST · 14402 days ago · 31 km deep · 30 km away
7. 2.59 km WSW of Volcano, HawaiiMon, Apr 27, 7:02 AM HST · 14402 days ago · 4 km deep · 15 km away
8. 2.39 km WSW of Volcano, HawaiiMon, Apr 27, 6:59 AM HST · 14402 days ago · 4 km deep · 15 km away
9. 2.39 km WSW of Volcano, HawaiiMon, Apr 27, 6:55 AM HST · 14402 days ago · 4 km deep · 15 km away
10. 2.58 km WSW of Volcano, HawaiiMon, Apr 27, 6:54 AM HST · 14402 days ago · 6 km deep · 15 km away
11. 2.025 km ESE of Honaunau-Napoopoo, HawaiiSun, Apr 26, 9:12 PM HST · 14403 days ago · -1 km deep · 44 km away
12. 2.027 km WNW of Volcano, HawaiiSun, Apr 26, 5:16 PM HST · 14403 days ago · 0 km deep · 35 km away
13. 2.29 km N of Volcano, HawaiiSun, Apr 26, 3:58 PM HST · 14403 days ago · 25 km deep · 24 km away
14. 1.714 km S of Fern Forest, HawaiiSun, Apr 26, 1:21 PM HST · 14403 days ago · 7 km deep · 9 km away
15. 2.010 km WSW of Volcano, HawaiiSun, Apr 26, 11:58 AM HST · 14403 days ago · 5 km deep · 16 km away
16. 1.611 km SW of Leilani Estates, HawaiiSun, Apr 26, 9:42 AM HST · 14403 days ago · 7 km deep · 25 km away
17. 2.815 km NE of P?hala, HawaiiSun, Apr 26, 9:37 AM HST · 14403 days ago · 34 km deep · 15 km away
18. 2.26 km SSW of Volcano, HawaiiSun, Apr 26, 8:41 AM HST · 14403 days ago · 2 km deep · 11 km away
19. 2.71 km S of P?hala, HawaiiSun, Apr 26, 6:05 AM HST · 14403 days ago · 32 km deep · 30 km away
20. 1.513 km SSE of Fern Forest, HawaiiSun, Apr 26, 1:49 AM HST · 14403 days ago · 4 km deep · 13 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv238337. Read Thu, Oct 1, 2026, 7:29 PM UTC.