M1.8 earthquake 7 km SW of Volcano, Hawaii

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sun, Jul 26, 1987, 6:00 PM HST

UTC

1987-07-27 04:00:29 UTC

Depth

1.0 km (0.6 mi), shallow

Epicenter

19.400° N, 155.285° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

186°, poorly surrounded by stations

Stations used

13

• Volcano, HawaiiPopulation 2,575. Forecast7 kmSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast39 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast342 kmSE

After

1. 1.62 km ESE of P?hala, HawaiiSun, Jul 26, 6:22 PM HST · 14314 days ago · 7 km deep · 29 km away
2. 1.912 km SE of Fern Forest, HawaiiMon, Jul 27, 6:21 AM HST · 14313 days ago · 8 km deep · 24 km away
3. 1.714 km SSE of Fern Forest, HawaiiMon, Jul 27, 11:16 AM HST · 14313 days ago · 8 km deep · 23 km away
4. 1.610 km S of Volcano, HawaiiMon, Jul 27, 2:32 PM HST · 14313 days ago · 7 km deep · 9 km away
5. 1.79 km S of P?hala, HawaiiMon, Jul 27, 5:22 PM HST · 14313 days ago · 10 km deep · 37 km away
6. 2.115 km WSW of Volcano, HawaiiMon, Jul 27, 6:36 PM HST · 14313 days ago · -1 km deep · 10 km away
7. 2.419 km WNW of Mountain View, HawaiiTue, Jul 28, 7:55 AM HST · 14312 days ago · 7 km deep · 24 km away
8. 3.016 km SE of Fern Forest, HawaiiTue, Jul 28, 1:28 PM HST · 14312 days ago · 7 km deep · 28 km away
9. 1.75 km WSW of Volcano, HawaiiTue, Jul 28, 8:39 PM HST · 14312 days ago · 1 km deep · 3 km away
10. 2.315 km W of Volcano, HawaiiWed, Jul 29, 7:38 AM HST · 14311 days ago · 7 km deep · 11 km away
11. 1.813 km SSE of Fern Forest, HawaiiWed, Jul 29, 12:55 PM HST · 14311 days ago · 7 km deep · 22 km away
12. 2.34 km NW of Volcano, HawaiiThu, Jul 30, 1:20 AM HST · 14311 days ago · 22 km deep · 9 km away
13. 1.62 km ENE of P?hala, HawaiiThu, Jul 30, 11:27 AM HST · 14310 days ago · 5 km deep · 28 km away
14. 2.35 km SSW of Volcano, HawaiiThu, Jul 30, 12:47 PM HST · 14310 days ago · 2 km deep · 3 km away
15. 2.11 km NW of Fern Acres, HawaiiThu, Jul 30, 6:12 PM HST · 14310 days ago · 17 km deep · 24 km away
16. 1.52 km WSW of Volcano, HawaiiThu, Jul 30, 11:16 PM HST · 14310 days ago · 0 km deep · 5 km away
17. 2.212 km WSW of Volcano, HawaiiFri, Jul 31, 4:28 AM HST · 14309 days ago · 21 km deep · 5 km away
18. 2.013 km S of Volcano, HawaiiFri, Jul 31, 6:30 AM HST · 14309 days ago · 7 km deep · 11 km away
19. 2.3Hawaii region, HawaiiFri, Jul 31, 7:12 AM HST · 14309 days ago · 6 km deep · 98 km away
20. 1.717 km W of Volcano, HawaiiFri, Jul 31, 5:41 PM HST · 14309 days ago · 6 km deep · 13 km away
21. 2.114 km S of Volcano, HawaiiFri, Jul 31, 6:55 PM HST · 14309 days ago · 7 km deep · 12 km away
22. 2.625 km N of P?hala, HawaiiFri, Jul 31, 8:55 PM HST · 14309 days ago · 7 km deep · 21 km away
23. 1.612 km W of Volcano, HawaiiSat, Aug 1, 2:14 AM HST · 14308 days ago · 6 km deep · 9 km away
24. 2.415 km E of P?hala, HawaiiSat, Aug 1, 1:14 PM HST · 14308 days ago · 30 km deep · 20 km away
25. 2.12 km SW of Volcano, HawaiiSun, Aug 2, 4:59 PM HST · 14307 days ago · 12 km deep · 5 km away
26. 1.613 km S of Volcano, HawaiiSun, Aug 2, 10:19 PM HST · 14307 days ago · 6 km deep · 11 km away
27. 1.65 km SW of Volcano, HawaiiMon, Aug 3, 9:00 AM HST · 14306 days ago · 13 km deep · 2 km away
28. 2.415 km SE of Fern Forest, HawaiiMon, Aug 3, 3:32 PM HST · 14306 days ago · 8 km deep · 26 km away
29. 2.27 km W of Waimea, HawaiiMon, Aug 3, 3:42 PM HST · 14306 days ago · 10 km deep · 84 km away
30. 1.913 km SSE of Volcano, HawaiiMon, Aug 3, 5:45 PM HST · 14306 days ago · 7 km deep · 14 km away
31. 3.315 km S of Fern Forest, HawaiiTue, Aug 4, 7:14 AM HST · 14305 days ago · 9 km deep · 18 km away
32. 1.623 km N of P?hala, HawaiiTue, Aug 4, 9:55 AM HST · 14305 days ago · 7 km deep · 23 km away
33. 1.817 km N of P?hala, HawaiiTue, Aug 4, 11:04 AM HST · 14305 days ago · 8 km deep · 21 km away
34. 2.38 km SSW of Volcano, HawaiiTue, Aug 4, 12:21 PM HST · 14305 days ago · 3 km deep · 5 km away
35. 2.36 km ENE of Hilo, HawaiiTue, Aug 4, 12:33 PM HST · 14305 days ago · 45 km deep · 47 km away
36. 2.425 km ESE of Honaunau-Napoopoo, HawaiiTue, Aug 4, 2:04 PM HST · 14305 days ago · 7 km deep · 36 km away
37. 2.13 km SW of Volcano, HawaiiTue, Aug 4, 11:12 PM HST · 14305 days ago · 11 km deep · 3 km away
38. 1.713 km S of Fern Forest, HawaiiWed, Aug 5, 3:00 AM HST · 14304 days ago · 8 km deep · 17 km away
39. 1.515 km S of Fern Forest, HawaiiWed, Aug 5, 9:39 AM HST · 14304 days ago · 7 km deep · 19 km away
40. 1.912 km SSE of Volcano, HawaiiWed, Aug 5, 4:30 PM HST · 14304 days ago · 7 km deep · 12 km away
41. 1.91 km NNW of Volcano, HawaiiThu, Aug 6, 4:29 AM HST · 14303 days ago · 2 km deep · 8 km away
42. 2.523 km WNW of Volcano, HawaiiFri, Aug 7, 12:30 PM HST · 14302 days ago · 4 km deep · 20 km away
43. 1.612 km N of P?hala, HawaiiFri, Aug 7, 5:35 PM HST · 14302 days ago · 11 km deep · 24 km away
44. 2.112 km NW of Mountain View, HawaiiFri, Aug 7, 7:47 PM HST · 14302 days ago · 14 km deep · 29 km away
45. 1.616 km S of Fern Forest, HawaiiSat, Aug 8, 8:22 AM HST · 14301 days ago · 8 km deep · 20 km away
46. 1.614 km SSE of Fern Forest, HawaiiSat, Aug 8, 9:22 PM HST · 14301 days ago · 8 km deep · 24 km away
47. 3.814 km S of Volcano, HawaiiSat, Aug 8, 9:45 PM HST · 14301 days ago · 9 km deep · 12 km away
48. 1.916 km S of Volcano, HawaiiSat, Aug 8, 10:04 PM HST · 14301 days ago · 5 km deep · 14 km away
49. 3.515 km S of Volcano, HawaiiSat, Aug 8, 10:11 PM HST · 14301 days ago · 8 km deep · 12 km away
50. 1.614 km S of Volcano, HawaiiSat, Aug 8, 10:14 PM HST · 14301 days ago · 10 km deep · 13 km away
51. 1.616 km S of Volcano, HawaiiSat, Aug 8, 10:22 PM HST · 14301 days ago · 6 km deep · 14 km away
52. 1.615 km SE of Fern Forest, HawaiiSun, Aug 9, 1:38 AM HST · 14300 days ago · 6 km deep · 26 km away
53. 1.616 km S of Volcano, HawaiiSun, Aug 9, 2:11 AM HST · 14300 days ago · 6 km deep · 14 km away
54. 1.814 km S of Fern Forest, HawaiiSun, Aug 9, 2:26 AM HST · 14300 days ago · 7 km deep · 17 km away
55. 1.617 km S of Volcano, HawaiiSun, Aug 9, 2:36 AM HST · 14300 days ago · 6 km deep · 14 km away
56. 1.717 km N of P?hala, HawaiiSun, Aug 9, 5:13 AM HST · 14300 days ago · 8 km deep · 23 km away
57. 1.718 km N of P?hala, HawaiiSun, Aug 9, 11:23 AM HST · 14300 days ago · 7 km deep · 22 km away
58. 1.94 km SW of Volcano, HawaiiSun, Aug 9, 3:46 PM HST · 14300 days ago · 15 km deep · 2 km away
59. 2.029 km ENE of Honaunau-Napoopoo, HawaiiSun, Aug 9, 6:03 PM HST · 14300 days ago · 7 km deep · 37 km away
60. 1.67 km SW of Volcano, HawaiiSun, Aug 9, 9:15 PM HST · 14300 days ago · 2 km deep · 1 km away

The first 60 of 195.

Before

1. 2.57 km SE of Pa‘auilo, HawaiiSun, Jul 26, 12:59 PM HST · 14314 days ago · 9 km deep · 65 km away
2. 1.717 km NE of P?hala, HawaiiSat, Jul 25, 10:30 PM HST · 14315 days ago · 8 km deep · 13 km away
3. 3.113 km S of Volcano, HawaiiSat, Jul 25, 3:21 PM HST · 14315 days ago · 9 km deep · 11 km away
4. 2.314 km S of Fern Forest, HawaiiSat, Jul 25, 10:32 AM HST · 14315 days ago · 8 km deep · 18 km away
5. 2.418 km ESE of Leilani Estates, HawaiiSat, Jul 25, 9:25 AM HST · 14315 days ago · 41 km deep · 56 km away
6. 1.89 km NE of P?hala, HawaiiSat, Jul 25, 5:00 AM HST · 14315 days ago · 8 km deep · 20 km away
7. 2.215 km S of Volcano, HawaiiSat, Jul 25, 3:35 AM HST · 14315 days ago · 10 km deep · 13 km away
8. 1.916 km S of Volcano, HawaiiSat, Jul 25, 3:31 AM HST · 14315 days ago · 10 km deep · 14 km away
9. 2.816 km S of Volcano, HawaiiSat, Jul 25, 3:24 AM HST · 14315 days ago · 10 km deep · 14 km away
10. 1.510 km SSE of Fern Forest, HawaiiFri, Jul 24, 9:01 PM HST · 14316 days ago · 1 km deep · 19 km away
11. 1.59 km SSE of Fern Forest, HawaiiFri, Jul 24, 5:53 PM HST · 14316 days ago · 4 km deep · 19 km away
12. 2.21 km SE of Volcano, HawaiiFri, Jul 24, 12:43 PM HST · 14316 days ago · 9 km deep · 7 km away
13. 2.019 km SE of Waimea, HawaiiFri, Jul 24, 12:14 AM HST · 14317 days ago · 18 km deep · 61 km away
14. 2.10 km SE of Volcano, HawaiiThu, Jul 23, 4:04 PM HST · 14317 days ago · -1 km deep · 7 km away
15. 1.816 km S of Fern Forest, HawaiiThu, Jul 23, 6:25 AM HST · 14317 days ago · 7 km deep · 19 km away
16. 2.08 km WSW of Volcano, HawaiiWed, Jul 22, 10:38 PM HST · 14318 days ago · 2 km deep · 3 km away
17. 2.313 km SW of Volcano, HawaiiWed, Jul 22, 4:59 PM HST · 14318 days ago · 10 km deep · 7 km away
18. 1.512 km NNE of P?hala, HawaiiWed, Jul 22, 1:00 PM HST · 14318 days ago · 8 km deep · 19 km away
19. 1.513 km NNE of P?hala, HawaiiWed, Jul 22, 11:21 AM HST · 14318 days ago · 10 km deep · 19 km away
20. 2.415 km S of Fern Forest, HawaiiWed, Jul 22, 6:40 AM HST · 14318 days ago · 8 km deep · 20 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv246238. Read Sat, Oct 3, 2026, 10:51 PM UTC.