M1.7 earthquake 26 km W of Volcano, Hawaii

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Thu, Jul 9, 1987, 8:35 PM HST

UTC

1987-07-10 06:35:28 UTC

Depth

6.5 km (4.1 mi), shallow

Epicenter

19.444° N, 155.482° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.08

Depth from

From location

Station coverage gap

45°

Stations used

35

• Volcano, HawaiiPopulation 2,575. Forecast26 kmW
• Hilo, HawaiiPopulation 43,263. Forecast52 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast323 kmSE

After

1. 2.21 km WNW of Volcano, HawaiiThu, Jul 9, 10:43 PM HST · 14329 days ago · 0 km deep · 25 km away
2. 2.110 km WSW of Volcano, HawaiiFri, Jul 10, 1:40 AM HST · 14329 days ago · 6 km deep · 16 km away
3. 1.812 km SSE of Fern Forest, HawaiiFri, Jul 10, 2:48 AM HST · 14329 days ago · 8 km deep · 40 km away
4. 2.210 km W of Volcano, HawaiiFri, Jul 10, 3:04 AM HST · 14329 days ago · 5 km deep · 16 km away
5. 2.510 km WSW of Volcano, HawaiiFri, Jul 10, 4:04 AM HST · 14328 days ago · 3 km deep · 16 km away
6. 2.117 km N of P?hala, HawaiiFri, Jul 10, 8:57 AM HST · 14328 days ago · 7 km deep · 10 km away
7. 1.723 km E of Honaunau-Napoopoo, HawaiiFri, Jul 10, 11:30 AM HST · 14328 days ago · 4 km deep · 18 km away
8. 2.521 km W of Volcano, HawaiiFri, Jul 10, 1:37 PM HST · 14328 days ago · 10 km deep · 5 km away
9. 2.15 km SSW of Volcano, HawaiiFri, Jul 10, 1:55 PM HST · 14328 days ago · 2 km deep · 24 km away
10. 2.614 km SSE of Volcano, HawaiiSat, Jul 11, 12:06 AM HST · 14328 days ago · 9 km deep · 34 km away
11. 2.311 km SW of Volcano, HawaiiSat, Jul 11, 7:03 AM HST · 14327 days ago · 11 km deep · 21 km away
12. 1.6Island of Hawaii, HawaiiSat, Jul 11, 9:03 AM HST · 14327 days ago · 7 km deep · 6 km away
13. 2.013 km W of Volcano, HawaiiSat, Jul 11, 12:55 PM HST · 14327 days ago · 8 km deep · 13 km away
14. 2.2Island of Hawaii, HawaiiSat, Jul 11, 5:52 PM HST · 14327 days ago · 8 km deep · 10 km away
15. 2.116 km SW of Leilani Estates, HawaiiSat, Jul 11, 7:17 PM HST · 14327 days ago · 8 km deep · 51 km away
16. 2.716 km SW of Leilani Estates, HawaiiSat, Jul 11, 7:30 PM HST · 14327 days ago · 9 km deep · 50 km away
17. 1.818 km N of P?hala, HawaiiSat, Jul 11, 11:00 PM HST · 14327 days ago · 8 km deep · 8 km away
18. 2.43 km E of Volcano, HawaiiSun, Jul 12, 4:26 AM HST · 14326 days ago · 18 km deep · 30 km away
19. 2.112 km WSW of Volcano, HawaiiSun, Jul 12, 4:31 AM HST · 14326 days ago · 2 km deep · 17 km away
20. 2.015 km S of Volcano, HawaiiSun, Jul 12, 11:11 AM HST · 14326 days ago · 5 km deep · 32 km away
21. 1.710 km WNW of P?hala, HawaiiSun, Jul 12, 3:24 PM HST · 14326 days ago · 8 km deep · 25 km away
22. 2.124 km W of Volcano, HawaiiSun, Jul 12, 7:26 PM HST · 14326 days ago · 8 km deep · 4 km away
23. 1.810 km SSE of Fern Forest, HawaiiSun, Jul 12, 7:37 PM HST · 14326 days ago · 0 km deep · 40 km away
24. 2.22 km SW of Kailua-Kona, HawaiiMon, Jul 13, 2:10 AM HST · 14326 days ago · 10 km deep · 59 km away
25. 2.68 km WNW of Kailua-Kona, HawaiiMon, Jul 13, 8:17 AM HST · 14325 days ago · 10 km deep · 67 km away
26. 2.09 km WSW of Volcano, HawaiiMon, Jul 13, 10:42 AM HST · 14325 days ago · 3 km deep · 17 km away
27. 2.17 km SW of Volcano, HawaiiMon, Jul 13, 10:43 AM HST · 14325 days ago · 9 km deep · 22 km away
28. 2.012 km N of P?hala, HawaiiMon, Jul 13, 8:19 PM HST · 14325 days ago · 8 km deep · 14 km away
29. 1.613 km SSE of Volcano, HawaiiMon, Jul 13, 9:23 PM HST · 14325 days ago · 8 km deep · 34 km away
30. 1.515 km S of Volcano, HawaiiTue, Jul 14, 1:59 AM HST · 14325 days ago · 6 km deep · 31 km away
31. 1.916 km SW of Leilani Estates, HawaiiTue, Jul 14, 2:09 AM HST · 14325 days ago · 8 km deep · 51 km away
32. 2.522 km S of Fern Forest, HawaiiTue, Jul 14, 2:48 AM HST · 14325 days ago · 44 km deep · 42 km away
33. 2.37 km NW of Volcano, HawaiiTue, Jul 14, 5:06 AM HST · 14324 days ago · 5 km deep · 21 km away
34. 2.721 km N of P?hala, HawaiiTue, Jul 14, 6:10 AM HST · 14324 days ago · 8 km deep · 6 km away
35. 2.310 km NNW of P?hala, HawaiiTue, Jul 14, 6:11 AM HST · 14324 days ago · 5 km deep · 16 km away
36. 2.115 km S of Volcano, HawaiiTue, Jul 14, 7:00 AM HST · 14324 days ago · 8 km deep · 32 km away
37. 1.523 km S of Volcano, HawaiiTue, Jul 14, 2:59 PM HST · 14324 days ago · 7 km deep · 35 km away
38. 2.115 km S of Fern Forest, HawaiiTue, Jul 14, 5:03 PM HST · 14324 days ago · 9 km deep · 39 km away
39. 1.98 km W of Volcano, HawaiiTue, Jul 14, 8:54 PM HST · 14324 days ago · 6 km deep · 18 km away
40. 1.510 km SSE of Fern Forest, HawaiiWed, Jul 15, 6:59 AM HST · 14323 days ago · -1 km deep · 42 km away
41. 2.37 km W of Volcano, HawaiiWed, Jul 15, 8:11 AM HST · 14323 days ago · -1 km deep · 19 km away
42. 2.115 km S of Fern Forest, HawaiiThu, Jul 16, 4:50 AM HST · 14322 days ago · 6 km deep · 39 km away
43. 2.836 km ESE of P?hala, HawaiiThu, Jul 16, 11:19 AM HST · 14322 days ago · 20 km deep · 53 km away
44. 2.017 km NNE of P?hala, HawaiiThu, Jul 16, 5:28 PM HST · 14322 days ago · 13 km deep · 13 km away
45. 2.210 km SW of Volcano, HawaiiFri, Jul 17, 1:07 PM HST · 14321 days ago · -1 km deep · 19 km away
46. 1.87 km SSE of Fern Forest, HawaiiFri, Jul 17, 1:16 PM HST · 14321 days ago · 0 km deep · 40 km away
47. 2.46 km NNE of P?hala, HawaiiFri, Jul 17, 11:20 PM HST · 14321 days ago · 9 km deep · 21 km away
48. 2.832 km SW of Honaunau-Napoopoo, HawaiiSat, Jul 18, 4:11 AM HST · 14320 days ago · 21 km deep · 65 km away
49. 1.918 km NNE of P?hala, HawaiiSat, Jul 18, 6:19 AM HST · 14320 days ago · 11 km deep · 12 km away
50. 2.16 km SW of Volcano, HawaiiSat, Jul 18, 11:45 AM HST · 14320 days ago · 6 km deep · 22 km away
51. 2.3Island of Hawaii, HawaiiSat, Jul 18, 4:24 PM HST · 14320 days ago · 10 km deep · 25 km away
52. 2.22 km W of P?hala, HawaiiSat, Jul 18, 4:24 PM HST · 14320 days ago · 9 km deep · 27 km away
53. 2.52 km WNW of P?hala, HawaiiSat, Jul 18, 7:50 PM HST · 14320 days ago · 9 km deep · 26 km away
54. 1.713 km SSE of Volcano, HawaiiSun, Jul 19, 12:34 AM HST · 14320 days ago · 8 km deep · 33 km away
55. 2.312 km SW of Volcano, HawaiiSun, Jul 19, 11:33 AM HST · 14319 days ago · 10 km deep · 18 km away
56. 2.06 km SSW of Volcano, HawaiiMon, Jul 20, 1:13 AM HST · 14319 days ago · 1 km deep · 24 km away
57. 3.120 km NNE of P?hala, HawaiiMon, Jul 20, 1:40 AM HST · 14319 days ago · 9 km deep · 8 km away
58. 1.96 km N of P?hala, HawaiiMon, Jul 20, 6:34 AM HST · 14318 days ago · 9 km deep · 20 km away
59. 1.9Island of Hawaii, HawaiiMon, Jul 20, 6:37 AM HST · 14318 days ago · 1 km deep · 19 km away
60. 2.816 km SE of Fern Forest, HawaiiMon, Jul 20, 8:51 AM HST · 14318 days ago · 7 km deep · 48 km away

The first 60 of 198.

Before

1. 2.24 km WNW of Kailua-Kona, HawaiiThu, Jul 9, 7:30 PM HST · 14329 days ago · 8 km deep · 63 km away
2. 1.74 km SW of Volcano, HawaiiThu, Jul 9, 5:14 PM HST · 14329 days ago · -1 km deep · 22 km away
3. 1.713 km SSE of Fern Forest, HawaiiThu, Jul 9, 2:09 PM HST · 14329 days ago · 7 km deep · 44 km away
4. 2.2Island of Hawaii, HawaiiThu, Jul 9, 10:27 AM HST · 14329 days ago · 9 km deep · 24 km away
5. 2.02 km W of Volcano, HawaiiThu, Jul 9, 10:26 AM HST · 14329 days ago · -1 km deep · 24 km away
6. 2.218 km ENE of Honaunau-Napoopoo, HawaiiThu, Jul 9, 7:36 AM HST · 14329 days ago · 4 km deep · 26 km away
7. 2.118 km N of P?hala, HawaiiThu, Jul 9, 7:05 AM HST · 14329 days ago · 7 km deep · 9 km away
8. 2.114 km SSE of Volcano, HawaiiThu, Jul 9, 6:15 AM HST · 14329 days ago · 7 km deep · 33 km away
9. 2.713 km SSE of Fern Forest, HawaiiThu, Jul 9, 4:46 AM HST · 14329 days ago · 7 km deep · 43 km away
10. 2.37 km WSW of Volcano, HawaiiThu, Jul 9, 12:06 AM HST · 14330 days ago · 11 km deep · 20 km away
11. 2.34 km NW of Volcano, HawaiiWed, Jul 8, 8:37 PM HST · 14330 days ago · 23 km deep · 23 km away
12. 2.36 km WSW of Volcano, HawaiiWed, Jul 8, 12:04 PM HST · 14330 days ago · 11 km deep · 21 km away
13. 2.610 km SW of Captain Cook, HawaiiWed, Jul 8, 9:17 AM HST · 14330 days ago · 9 km deep · 54 km away
14. 1.712 km SSE of Volcano, HawaiiWed, Jul 8, 7:10 AM HST · 14330 days ago · 6 km deep · 32 km away
15. 1.75 km WNW of Volcano, HawaiiWed, Jul 8, 4:08 AM HST · 14330 days ago · 4 km deep · 21 km away
16. 2.48 km N of Volcano, HawaiiTue, Jul 7, 11:32 PM HST · 14331 days ago · 11 km deep · 27 km away
17. 2.415 km S of Volcano, HawaiiTue, Jul 7, 11:13 PM HST · 14331 days ago · 8 km deep · 32 km away
18. 1.92 km NE of Honaunau-Napoopoo, HawaiiTue, Jul 7, 7:12 PM HST · 14331 days ago · 5 km deep · 39 km away
19. 2.24 km WSW of Volcano, HawaiiTue, Jul 7, 2:18 PM HST · 14331 days ago · 10 km deep · 22 km away
20. 1.710 km S of Volcano, HawaiiMon, Jul 6, 10:52 PM HST · 14332 days ago · 8 km deep · 27 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv244596. Read Fri, Oct 2, 2026, 1:11 AM UTC.