M2.3 earthquake 6 km W of Volcano, Hawaii

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Fri, Nov 20, 1987, 9:37 AM HST

UTC

1987-11-20 19:37:30 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

19.452° N, 155.294° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.4 km horizontally, 3.6 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

315°, poorly surrounded by stations

Stations used

6

• Volcano, HawaiiPopulation 2,575. Forecast6 kmW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast37 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast338 kmSE

After

1. 2.615 km E of Honaunau-Napoopoo, HawaiiFri, Nov 20, 2:00 PM HST · 14194 days ago · 6 km deep · 44 km away
2. 2.28 km SSW of Volcano, HawaiiFri, Nov 20, 5:39 PM HST · 14194 days ago · 29 km deep · 10 km away
3. 1.65 km SW of Volcano, HawaiiFri, Nov 20, 7:55 PM HST · 14194 days ago · 2 km deep · 7 km away
4. 2.024 km WNW of Volcano, HawaiiSat, Nov 21, 3:47 AM HST · 14194 days ago · 7 km deep · 18 km away
5. 2.19 km WSW of Volcano, HawaiiSat, Nov 21, 6:09 AM HST · 14194 days ago · 2 km deep · 6 km away
6. 2.011 km N of P?hala, HawaiiSat, Nov 21, 7:59 AM HST · 14194 days ago · 0 km deep · 27 km away
7. 1.68 km NNE of P?hala, HawaiiSun, Nov 22, 4:28 AM HST · 14193 days ago · 7 km deep · 26 km away
8. 1.95 km WSW of Volcano, HawaiiSun, Nov 22, 9:35 AM HST · 14193 days ago · 4 km deep · 3 km away
9. 1.714 km SSE of Volcano, HawaiiSun, Nov 22, 10:02 AM HST · 14193 days ago · 6 km deep · 19 km away
10. 2.35 km WSW of Volcano, HawaiiSun, Nov 22, 12:01 PM HST · 14192 days ago · 10 km deep · 3 km away
11. 1.914 km SSE of Volcano, HawaiiSun, Nov 22, 12:30 PM HST · 14192 days ago · 7 km deep · 18 km away
12. 2.65 km S of Volcano, HawaiiSun, Nov 22, 8:37 PM HST · 14192 days ago · 17 km deep · 10 km away
13. 2.57 km W of P?hala, HawaiiMon, Nov 23, 1:28 AM HST · 14192 days ago · 8 km deep · 38 km away
14. 2.07 km SW of Volcano, HawaiiMon, Nov 23, 2:47 AM HST · 14192 days ago · 8 km deep · 8 km away
15. 2.19 km WSW of Volcano, HawaiiMon, Nov 23, 4:23 AM HST · 14192 days ago · 13 km deep · 6 km away
16. 2.218 km WNW of Mountain View, HawaiiMon, Nov 23, 5:18 AM HST · 14192 days ago · 6 km deep · 21 km away
17. 2.23 km WSW of Volcano, HawaiiMon, Nov 23, 5:42 AM HST · 14192 days ago · 10 km deep · 4 km away
18. 2.25 km WSW of Volcano, HawaiiMon, Nov 23, 6:44 AM HST · 14192 days ago · 13 km deep · 3 km away
19. 2.326 km N of P?hala, HawaiiMon, Nov 23, 8:44 AM HST · 14192 days ago · 7 km deep · 22 km away
20. 2.75 km SW of Volcano, HawaiiMon, Nov 23, 10:43 AM HST · 14192 days ago · 9 km deep · 5 km away
21. 2.57 km SW of Volcano, HawaiiMon, Nov 23, 10:49 AM HST · 14192 days ago · 12 km deep · 5 km away
22. 2.66 km SW of Volcano, HawaiiMon, Nov 23, 12:16 PM HST · 14191 days ago · 16 km deep · 5 km away
23. 1.512 km SSE of Fern Forest, HawaiiMon, Nov 23, 3:09 PM HST · 14191 days ago · 7 km deep · 25 km away
24. 2.26 km NW of Volcano, HawaiiMon, Nov 23, 3:36 PM HST · 14191 days ago · 15 km deep · 5 km away
25. 2.517 km N of P?hala, HawaiiMon, Nov 23, 4:04 PM HST · 14191 days ago · 8 km deep · 24 km away
26. 2.15 km SW of Volcano, HawaiiMon, Nov 23, 4:59 PM HST · 14191 days ago · 14 km deep · 5 km away
27. 1.711 km SSW of Volcano, HawaiiMon, Nov 23, 6:47 PM HST · 14191 days ago · 1 km deep · 12 km away
28. 2.35 km SW of Volcano, HawaiiMon, Nov 23, 10:24 PM HST · 14191 days ago · 8 km deep · 5 km away
29. 2.15 km WSW of Volcano, HawaiiMon, Nov 23, 11:41 PM HST · 14191 days ago · 7 km deep · 4 km away
30. 2.13 km W of Volcano, HawaiiMon, Nov 23, 11:52 PM HST · 14191 days ago · 11 km deep · 3 km away
31. 2.63 km W of Volcano, HawaiiTue, Nov 24, 12:19 AM HST · 14191 days ago · 9 km deep · 3 km away
32. 2.32 km WSW of Volcano, HawaiiTue, Nov 24, 1:01 AM HST · 14191 days ago · 11 km deep · 4 km away
33. 3.013 km SSE of Fern Forest, HawaiiTue, Nov 24, 5:55 AM HST · 14191 days ago · 8 km deep · 25 km away
34. 1.817 km S of Volcano, HawaiiTue, Nov 24, 6:46 AM HST · 14191 days ago · 5 km deep · 20 km away
35. 1.525 km W of Volcano, HawaiiTue, Nov 24, 5:55 PM HST · 14190 days ago · 7 km deep · 19 km away
36. 1.94 km E of Honaunau-Napoopoo, HawaiiWed, Nov 25, 4:55 AM HST · 14190 days ago · 10 km deep · 56 km away
37. 2.325 km N of P?hala, HawaiiWed, Nov 25, 10:22 AM HST · 14190 days ago · 6 km deep · 20 km away
38. 1.816 km S of Volcano, HawaiiThu, Nov 26, 1:12 AM HST · 14189 days ago · 7 km deep · 20 km away
39. 1.810 km SSW of Volcano, HawaiiThu, Nov 26, 7:49 PM HST · 14188 days ago · 24 km deep · 10 km away
40. 1.98 km WSW of Volcano, HawaiiFri, Nov 27, 12:31 AM HST · 14188 days ago · 2 km deep · 6 km away
41. 2.37 km SW of Volcano, HawaiiFri, Nov 27, 2:51 AM HST · 14188 days ago · 9 km deep · 6 km away
42. 1.95 km SSW of Volcano, HawaiiFri, Nov 27, 6:49 AM HST · 14188 days ago · 2 km deep · 7 km away
43. 2.216 km SW of Leilani Estates, HawaiiFri, Nov 27, 10:50 AM HST · 14188 days ago · 7 km deep · 31 km away
44. 1.816 km S of Fern Forest, HawaiiFri, Nov 27, 1:43 PM HST · 14187 days ago · 5 km deep · 22 km away
45. 2.112 km SSE of Volcano, HawaiiFri, Nov 27, 2:24 PM HST · 14187 days ago · 6 km deep · 16 km away
46. 2.317 km SSW of Honoka‘a, HawaiiFri, Nov 27, 3:48 PM HST · 14187 days ago · 31 km deep · 57 km away
47. 1.512 km SSE of Fern Forest, HawaiiSat, Nov 28, 5:58 PM HST · 14186 days ago · 8 km deep · 22 km away
48. 2.113 km SSE of Volcano, HawaiiSat, Nov 28, 9:37 PM HST · 14186 days ago · 6 km deep · 17 km away
49. 2.814 km SSE of Fern Forest, HawaiiSun, Nov 29, 12:13 AM HST · 14186 days ago · 8 km deep · 24 km away
50. 1.715 km S of Volcano, HawaiiSun, Nov 29, 4:52 AM HST · 14186 days ago · 3 km deep · 19 km away
51. 1.913 km SSE of Volcano, HawaiiSun, Nov 29, 7:03 AM HST · 14186 days ago · 6 km deep · 17 km away
52. 1.914 km SE of Fern Forest, HawaiiSun, Nov 29, 12:41 PM HST · 14185 days ago · 7 km deep · 27 km away
53. 1.912 km SSE of Volcano, HawaiiSun, Nov 29, 5:53 PM HST · 14185 days ago · 7 km deep · 17 km away
54. 2.08 km NNW of P?hala, HawaiiMon, Nov 30, 3:56 AM HST · 14185 days ago · 7 km deep · 30 km away
55. 1.821 km NNE of P?hala, HawaiiMon, Nov 30, 1:53 PM HST · 14184 days ago · 8 km deep · 16 km away
56. 2.323 km W of Volcano, HawaiiMon, Nov 30, 4:08 PM HST · 14184 days ago · 8 km deep · 17 km away
57. 2.41 km ENE of P?hala, HawaiiTue, Dec 1, 3:36 AM HST · 14184 days ago · 6 km deep · 32 km away
58. 2.315 km S of Fern Forest, HawaiiTue, Dec 1, 11:52 AM HST · 14183 days ago · 7 km deep · 24 km away
59. 1.83 km WSW of Volcano, HawaiiTue, Dec 1, 1:48 PM HST · 14183 days ago · 0 km deep · 4 km away
60. 1.713 km SSE of Volcano, HawaiiTue, Dec 1, 2:54 PM HST · 14183 days ago · 6 km deep · 17 km away

The first 60 of 198.

Before

1. 2.125 km N of P?hala, HawaiiThu, Nov 19, 6:24 PM HST · 14195 days ago · 6 km deep · 21 km away
2. 2.413 km N of Wai‘?hinu, HawaiiThu, Nov 19, 4:27 PM HST · 14195 days ago · 7 km deep · 44 km away
3. 1.813 km WSW of Volcano, HawaiiThu, Nov 19, 11:20 AM HST · 14195 days ago · 10 km deep · 10 km away
4. 2.411 km S of Naalehu, HawaiiThu, Nov 19, 9:14 AM HST · 14196 days ago · 43 km deep · 63 km away
5. 2.520 km SSE of P?hala, HawaiiThu, Nov 19, 1:35 AM HST · 14196 days ago · 29 km deep · 46 km away
6. 1.616 km SSE of Fern Forest, HawaiiWed, Nov 18, 4:12 AM HST · 14197 days ago · 5 km deep · 27 km away
7. 2.313 km ENE of P?hala, HawaiiWed, Nov 18, 12:48 AM HST · 14197 days ago · 7 km deep · 22 km away
8. 2.427 km NW of Volcano, HawaiiTue, Nov 17, 7:06 AM HST · 14198 days ago · 9 km deep · 22 km away
9. 1.616 km S of Fern Forest, HawaiiTue, Nov 17, 3:45 AM HST · 14198 days ago · 8 km deep · 23 km away
10. 1.94 km SW of Volcano, HawaiiTue, Nov 17, 3:26 AM HST · 14198 days ago · 18 km deep · 6 km away
11. 3.016 km S of Fern Forest, HawaiiTue, Nov 17, 2:45 AM HST · 14198 days ago · 9 km deep · 23 km away
12. 1.714 km SSE of Volcano, HawaiiMon, Nov 16, 3:43 AM HST · 14199 days ago · 7 km deep · 18 km away
13. 1.617 km S of Volcano, HawaiiMon, Nov 16, 3:30 AM HST · 14199 days ago · 7 km deep · 19 km away
14. 2.318 km N of P?hala, HawaiiMon, Nov 16, 2:18 AM HST · 14199 days ago · 7 km deep · 22 km away
15. 2.88 km NNW of Puako, HawaiiSun, Nov 15, 4:19 PM HST · 14199 days ago · 22 km deep · 89 km away
16. 1.713 km SSE of Fern Forest, HawaiiSun, Nov 15, 12:21 PM HST · 14199 days ago · 7 km deep · 26 km away
17. 1.914 km S of Volcano, HawaiiSun, Nov 15, 8:26 AM HST · 14200 days ago · 7 km deep · 17 km away
18. 1.615 km S of Fern Forest, HawaiiSun, Nov 15, 12:50 AM HST · 14200 days ago · 9 km deep · 23 km away
19. 1.813 km SSE of Fern Forest, HawaiiSat, Nov 14, 8:47 AM HST · 14201 days ago · 7 km deep · 25 km away
20. 1.822 km N of P?hala, HawaiiSat, Nov 14, 6:26 AM HST · 14201 days ago · 6 km deep · 22 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv256016. Read Thu, Oct 1, 2026, 8:33 AM UTC.