M1.7 earthquake 14 km S of Volcano, Hawaii

Magnitude

1.7 (ml), micro

Local time

Mon, Aug 31, 1987, 2:30 AM HST

UTC

1987-08-31 12:30:47 UTC

Depth

9.0 km (5.6 mi), shallow

Epicenter

19.315° N, 155.254° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

101°

Stations used

36

• Volcano, HawaiiPopulation 2,575. Forecast14 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast43 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast350 kmSE

After

1. 1.95 km SSW of Volcano, HawaiiMon, Aug 31, 4:57 AM HST · 14273 days ago · 2 km deep · 9 km away
2. 1.920 km SSW of Leilani Estates, HawaiiMon, Aug 31, 5:24 AM HST · 14273 days ago · 39 km deep · 27 km away
3. 1.815 km S of Volcano, HawaiiMon, Aug 31, 7:10 AM HST · 14273 days ago · 9 km deep · 5 km away
4. 1.822 km N of P?hala, HawaiiMon, Aug 31, 9:41 AM HST · 14273 days ago · 7 km deep · 27 km away
5. 1.915 km S of Fern Forest, HawaiiTue, Sep 1, 2:38 PM HST · 14271 days ago · 7 km deep · 13 km away
6. 1.54 km SSE of Leilani Estates, HawaiiTue, Sep 1, 3:56 PM HST · 14271 days ago · 7 km deep · 38 km away
7. 1.713 km SSE of Volcano, HawaiiTue, Sep 1, 10:16 PM HST · 14271 days ago · 7 km deep · 6 km away
8. 2.439 km ESE of Naalehu, HawaiiWed, Sep 2, 2:34 AM HST · 14271 days ago · 15 km deep · 42 km away
9. 1.818 km NNE of P?hala, HawaiiWed, Sep 2, 3:54 AM HST · 14271 days ago · 12 km deep · 18 km away
10. 1.716 km SE of Fern Forest, HawaiiWed, Sep 2, 11:01 AM HST · 14271 days ago · 7 km deep · 24 km away
11. 2.18 km ESE of Waimea, HawaiiWed, Sep 2, 10:29 PM HST · 14270 days ago · 3 km deep · 84 km away
12. 1.912 km SSE of Fern Forest, HawaiiThu, Sep 3, 12:23 AM HST · 14270 days ago · 8 km deep · 19 km away
13. 2.023 km N of P?hala, HawaiiThu, Sep 3, 8:32 AM HST · 14270 days ago · 8 km deep · 28 km away
14. 1.94 km ENE of P?hala, HawaiiThu, Sep 3, 4:18 PM HST · 14269 days ago · 7 km deep · 22 km away
15. 2.024 km W of Volcano, HawaiiThu, Sep 3, 6:48 PM HST · 14269 days ago · 6 km deep · 27 km away
16. 2.51 km E of P?hala, HawaiiFri, Sep 4, 2:22 AM HST · 14269 days ago · 6 km deep · 25 km away
17. 1.713 km S of Volcano, HawaiiFri, Sep 4, 3:39 AM HST · 14269 days ago · 5 km deep · 4 km away
18. 1.99 km SW of Leilani Estates, HawaiiSat, Sep 5, 4:06 AM HST · 14268 days ago · 6 km deep · 30 km away
19. 2.411 km S of Volcano, HawaiiSat, Sep 5, 6:43 AM HST · 14268 days ago · 7 km deep · 5 km away
20. 1.712 km S of Volcano, HawaiiSat, Sep 5, 10:50 AM HST · 14268 days ago · 6 km deep · 5 km away
21. 1.818 km N of P?hala, HawaiiSun, Sep 6, 5:42 AM HST · 14267 days ago · 4 km deep · 23 km away
22. 1.69 km NE of P?hala, HawaiiSun, Sep 6, 10:35 AM HST · 14267 days ago · 10 km deep · 19 km away
23. 2.24 km ESE of P?hala, HawaiiSun, Sep 6, 2:32 PM HST · 14266 days ago · 43 km deep · 24 km away
24. 1.74 km SW of Volcano, HawaiiSun, Sep 6, 4:48 PM HST · 14266 days ago · 14 km deep · 11 km away
25. 2.513 km N of P?hala, HawaiiSun, Sep 6, 5:21 PM HST · 14266 days ago · 9 km deep · 26 km away
26. 1.925 km N of P?hala, HawaiiMon, Sep 7, 12:29 AM HST · 14266 days ago · 7 km deep · 28 km away
27. 1.610 km N of P?hala, HawaiiMon, Sep 7, 8:27 AM HST · 14266 days ago · 8 km deep · 26 km away
28. 1.513 km S of Fern Forest, HawaiiTue, Sep 8, 1:08 AM HST · 14265 days ago · 7 km deep · 15 km away
29. 2.423 km WNW of Volcano, HawaiiTue, Sep 8, 1:09 AM HST · 14265 days ago · 1 km deep · 28 km away
30. 2.232 km SE of P?hala, HawaiiTue, Sep 8, 1:23 PM HST · 14265 days ago · 40 km deep · 34 km away
31. 2.615 km SSE of Fern Forest, HawaiiWed, Sep 9, 1:40 AM HST · 14264 days ago · 9 km deep · 16 km away
32. 2.313 km SSE of Volcano, HawaiiThu, Sep 10, 2:34 PM HST · 14262 days ago · 7 km deep · 6 km away
33. 1.917 km ESE of Naalehu, HawaiiFri, Sep 11, 11:54 AM HST · 14262 days ago · 39 km deep · 37 km away
34. 2.09 km WSW of Volcano, HawaiiFri, Sep 11, 3:30 PM HST · 14261 days ago · 5 km deep · 14 km away
35. 1.918 km N of P?hala, HawaiiFri, Sep 11, 8:48 PM HST · 14261 days ago · 9 km deep · 21 km away
36. 2.32 km ESE of Kukuihaele, HawaiiFri, Sep 11, 10:28 PM HST · 14261 days ago · 37 km deep · 94 km away
37. 2.216 km SSW of Volcano, HawaiiSat, Sep 12, 4:06 AM HST · 14261 days ago · 8 km deep · 3 km away
38. 2.09 km WSW of Volcano, HawaiiSat, Sep 12, 1:29 PM HST · 14261 days ago · 5 km deep · 12 km away
39. 2.08 km SSW of Volcano, HawaiiSat, Sep 12, 3:40 PM HST · 14260 days ago · 27 km deep · 7 km away
40. 2.025 km N of P?hala, HawaiiSat, Sep 12, 7:10 PM HST · 14260 days ago · 6 km deep · 27 km away
41. 2.321 km S of Fern Forest, HawaiiSun, Sep 13, 8:15 AM HST · 14260 days ago · 43 km deep · 13 km away
42. 2.87 km SSW of Volcano, HawaiiMon, Sep 14, 4:03 AM HST · 14259 days ago · 29 km deep · 7 km away
43. 2.113 km SSE of Volcano, HawaiiWed, Sep 16, 2:06 AM HST · 14257 days ago · 8 km deep · 8 km away
44. 1.76 km SW of Volcano, HawaiiWed, Sep 16, 5:11 PM HST · 14256 days ago · 14 km deep · 10 km away
45. 2.314 km SSE of Fern Forest, HawaiiThu, Sep 17, 12:08 PM HST · 14256 days ago · 8 km deep · 16 km away
46. 1.618 km N of P?hala, HawaiiFri, Sep 18, 12:13 PM HST · 14255 days ago · 8 km deep · 26 km away
47. 2.18 km W of Volcano, HawaiiFri, Sep 18, 4:53 PM HST · 14254 days ago · 4 km deep · 14 km away
48. 1.718 km SSW of Volcano, HawaiiFri, Sep 18, 7:46 PM HST · 14254 days ago · 7 km deep · 4 km away
49. 3.818 km SSE of Honaunau-Napoopoo, HawaiiFri, Sep 18, 11:37 PM HST · 14254 days ago · 9 km deep · 58 km away
50. 2.412 km SSE of Volcano, HawaiiSat, Sep 19, 3:49 AM HST · 14254 days ago · 9 km deep · 6 km away
51. 2.15 km NNW of P?hala, HawaiiSat, Sep 19, 6:22 AM HST · 14254 days ago · 11 km deep · 26 km away
52. 3.0Island of Hawaii, HawaiiSat, Sep 19, 3:04 PM HST · 14253 days ago · 9 km deep · 6 km away
53. 3.08 km ESE of Waikoloa, HawaiiSat, Sep 19, 4:22 PM HST · 14253 days ago · 15 km deep · 83 km away
54. 3.213 km S of Fern Forest, HawaiiSat, Sep 19, 4:49 PM HST · 14253 days ago · 8 km deep · 14 km away
55. 2.78 km NNE of P?hala, HawaiiSat, Sep 19, 8:31 PM HST · 14253 days ago · 8 km deep · 21 km away
56. 1.715 km SSE of Fern Forest, HawaiiSun, Sep 20, 4:57 AM HST · 14253 days ago · 7 km deep · 16 km away
57. 2.37 km WNW of Kalaoa, HawaiiSun, Sep 20, 6:41 PM HST · 14252 days ago · 12 km deep · 97 km away
58. 1.516 km S of Fern Forest, HawaiiMon, Sep 21, 2:06 AM HST · 14252 days ago · 7 km deep · 15 km away
59. 1.918 km SSE of Honaunau-Napoopoo, HawaiiMon, Sep 21, 7:43 AM HST · 14252 days ago · 10 km deep · 58 km away
60. 2.424 km W of Volcano, HawaiiMon, Sep 21, 12:00 PM HST · 14252 days ago · 8 km deep · 26 km away

The first 60 of 195.

Before

1. 2.117 km SE of Fern Forest, HawaiiMon, Aug 31, 1:39 AM HST · 14273 days ago · 8 km deep · 24 km away
2. 1.86 km SSW of Volcano, HawaiiFri, Aug 28, 5:40 PM HST · 14275 days ago · 2 km deep · 9 km away
3. 1.922 km W of Volcano, HawaiiFri, Aug 28, 5:33 PM HST · 14275 days ago · 4 km deep · 27 km away
4. 1.93 km ENE of Leilani Estates, HawaiiFri, Aug 28, 3:14 PM HST · 14275 days ago · 0 km deep · 43 km away
5. 1.93 km ENE of Leilani Estates, HawaiiFri, Aug 28, 3:10 PM HST · 14275 days ago · 2 km deep · 43 km away
6. 1.914 km S of Volcano, HawaiiThu, Aug 27, 2:56 PM HST · 14276 days ago · 7 km deep · 3 km away
7. 1.616 km S of Fern Forest, HawaiiWed, Aug 26, 11:37 PM HST · 14277 days ago · 7 km deep · 12 km away
8. 1.814 km SSE of Volcano, HawaiiWed, Aug 26, 2:36 PM HST · 14277 days ago · 7 km deep · 7 km away
9. 2.211 km SSE of Volcano, HawaiiWed, Aug 26, 12:19 PM HST · 14278 days ago · 7 km deep · 5 km away
10. 1.824 km W of Volcano, HawaiiWed, Aug 26, 9:32 AM HST · 14278 days ago · 7 km deep · 27 km away
11. 1.915 km S of Fern Forest, HawaiiWed, Aug 26, 2:03 AM HST · 14278 days ago · 8 km deep · 15 km away
12. 1.922 km WNW of Volcano, HawaiiTue, Aug 25, 10:02 PM HST · 14278 days ago · 4 km deep · 28 km away
13. 1.914 km SSE of Fern Forest, HawaiiTue, Aug 25, 5:23 AM HST · 14279 days ago · 8 km deep · 17 km away
14. 1.926 km SSE of Volcano, HawaiiMon, Aug 24, 12:27 PM HST · 14280 days ago · 15 km deep · 16 km away
15. 2.110 km N of Wai‘?hinu, HawaiiMon, Aug 24, 11:55 AM HST · 14280 days ago · 6 km deep · 42 km away
16. 1.812 km SSE of Fern Forest, HawaiiMon, Aug 24, 7:52 AM HST · 14280 days ago · 6 km deep · 19 km away
17. 1.715 km S of Fern Forest, HawaiiMon, Aug 24, 3:43 AM HST · 14280 days ago · 7 km deep · 14 km away
18. 2.313 km S of Volcano, HawaiiMon, Aug 24, 3:16 AM HST · 14280 days ago · 7 km deep · 3 km away
19. 1.615 km N of P?hala, HawaiiSun, Aug 23, 2:55 PM HST · 14280 days ago · 8 km deep · 25 km away
20. 1.821 km N of P?hala, HawaiiSun, Aug 23, 2:40 PM HST · 14280 days ago · 8 km deep · 22 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv249213. Read Mon, Sep 28, 2026, 11:56 AM UTC.