M1.9 earthquake 9 km WSW of Volcano, Hawaii

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sun, Oct 18, 1987, 1:05 PM HST

UTC

1987-10-18 23:05:43 UTC

Depth

5.1 km (3.1 mi), shallow

Epicenter

19.420° N, 155.318° 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

±0.06

Depth from

From location

Station coverage gap

76°

Stations used

23

• Volcano, HawaiiPopulation 2,575. Forecast9 kmWSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast41 kmWSW
• Honolulu, HawaiiPopulation 350,964. Forecast338 kmSE

After

1. 2.624 km W of Volcano, HawaiiSun, Oct 18, 5:43 PM HST · 14228 days ago · 7 km deep · 16 km away
2. 2.312 km SW of Volcano, HawaiiSun, Oct 18, 9:07 PM HST · 14228 days ago · 31 km deep · 5 km away
3. 1.819 km N of P?hala, HawaiiSun, Oct 18, 9:17 PM HST · 14228 days ago · 8 km deep · 14 km away
4. 2.04 km WSW of Volcano, HawaiiMon, Oct 19, 6:41 AM HST · 14227 days ago · 14 km deep · 5 km away
5. 1.75 km SW of Volcano, HawaiiMon, Oct 19, 2:40 PM HST · 14227 days ago · 2 km deep · 6 km away
6. 2.67 km NE of Waimea, HawaiiMon, Oct 19, 4:03 PM HST · 14227 days ago · 7 km deep · 80 km away
7. 1.616 km SE of Fern Forest, HawaiiMon, Oct 19, 4:48 PM HST · 14227 days ago · 5 km deep · 31 km away
8. 2.33 km S of Pa‘auilo, HawaiiMon, Oct 19, 4:51 PM HST · 14227 days ago · 7 km deep · 66 km away
9. 1.914 km SW of Laup?hoehoe, HawaiiMon, Oct 19, 5:12 PM HST · 14227 days ago · 9 km deep · 53 km away
10. 1.515 km S of Fern Forest, HawaiiMon, Oct 19, 9:59 PM HST · 14227 days ago · 7 km deep · 24 km away
11. 1.712 km SW of Volcano, HawaiiTue, Oct 20, 10:05 AM HST · 14226 days ago · 0 km deep · 7 km away
12. 2.416 km SSE of Volcano, HawaiiTue, Oct 20, 1:23 PM HST · 14226 days ago · 7 km deep · 21 km away
13. 1.5Island of Hawaii, HawaiiTue, Oct 20, 8:16 PM HST · 14226 days ago · 7 km deep · 18 km away
14. 1.620 km N of P?hala, HawaiiWed, Oct 21, 6:03 AM HST · 14225 days ago · 7 km deep · 20 km away
15. 2.112 km WSW of Volcano, HawaiiWed, Oct 21, 12:12 PM HST · 14225 days ago · 10 km deep · 4 km away
16. 2.60 km NE of Honaunau-Napoopoo, HawaiiFri, Oct 23, 5:22 AM HST · 14223 days ago · 8 km deep · 57 km away
17. 1.525 km N of P?hala, HawaiiFri, Oct 23, 4:57 PM HST · 14223 days ago · 7 km deep · 17 km away
18. 1.5Island of Hawaii, HawaiiFri, Oct 23, 5:28 PM HST · 14223 days ago · 9 km deep · 22 km away
19. 2.015 km SSE of Fern Forest, HawaiiSat, Oct 24, 5:10 AM HST · 14222 days ago · 7 km deep · 29 km away
20. 1.817 km NNW of Wai‘?hinu, HawaiiSat, Oct 24, 5:37 PM HST · 14222 days ago · 6 km deep · 46 km away
21. 2.024 km W of Volcano, HawaiiSun, Oct 25, 8:26 AM HST · 14221 days ago · 7 km deep · 16 km away
22. 2.04 km ESE of Kealakekua, HawaiiSun, Oct 25, 2:03 PM HST · 14221 days ago · 6 km deep · 60 km away
23. 1.915 km SE of Fern Forest, HawaiiMon, Oct 26, 9:52 AM HST · 14220 days ago · 7 km deep · 30 km away
24. 2.38 km W of Kalaoa, HawaiiMon, Oct 26, 10:47 AM HST · 14220 days ago · 9 km deep · 86 km away
25. 1.814 km ENE of P?hala, HawaiiMon, Oct 26, 4:35 PM HST · 14220 days ago · 31 km deep · 18 km away
26. 1.913 km S of Volcano, HawaiiMon, Oct 26, 6:07 PM HST · 14220 days ago · 8 km deep · 13 km away
27. 2.52 km S of Kukuihaele, HawaiiTue, Oct 27, 9:40 AM HST · 14219 days ago · 30 km deep · 80 km away
28. 2.010 km S of Volcano, HawaiiTue, Oct 27, 12:17 PM HST · 14219 days ago · 6 km deep · 13 km away
29. 2.0Island of Hawaii, HawaiiWed, Oct 28, 12:37 PM HST · 14218 days ago · 7 km deep · 22 km away
30. 1.913 km SSE of Volcano, HawaiiWed, Oct 28, 5:23 PM HST · 14218 days ago · 7 km deep · 17 km away
31. 1.99 km ENE of P?hala, HawaiiWed, Oct 28, 6:39 PM HST · 14218 days ago · 38 km deep · 23 km away
32. 2.15 km SSW of Volcano, HawaiiThu, Oct 29, 4:13 AM HST · 14217 days ago · 2 km deep · 7 km away
33. 2.612 km S of Volcano, HawaiiThu, Oct 29, 8:49 AM HST · 14217 days ago · 8 km deep · 14 km away
34. 1.96 km NNE of P?hala, HawaiiThu, Oct 29, 6:30 PM HST · 14217 days ago · 10 km deep · 23 km away
35. 2.512 km NW of Volcano, HawaiiFri, Oct 30, 9:27 PM HST · 14216 days ago · 13 km deep · 10 km away
36. 2.616 km W of P?hala, HawaiiSat, Oct 31, 8:55 AM HST · 14215 days ago · 6 km deep · 39 km away
37. 2.28 km WSW of Volcano, HawaiiMon, Nov 2, 9:31 AM HST · 14213 days ago · 4 km deep · 1 km away
38. 3.019 km S of Volcano, HawaiiMon, Nov 2, 2:53 PM HST · 14213 days ago · 11 km deep · 19 km away
39. 1.918 km SSE of Honaunau-Napoopoo, HawaiiMon, Nov 2, 4:34 PM HST · 14213 days ago · 8 km deep · 52 km away
40. 2.112 km SSE of Volcano, HawaiiTue, Nov 3, 6:47 PM HST · 14212 days ago · 8 km deep · 16 km away
41. 2.113 km S of Volcano, HawaiiWed, Nov 4, 11:06 PM HST · 14211 days ago · 7 km deep · 16 km away
42. 1.817 km NNE of P?hala, HawaiiThu, Nov 5, 12:17 AM HST · 14210 days ago · 8 km deep · 14 km away
43. 2.414 km SSE of Volcano, HawaiiThu, Nov 5, 12:25 AM HST · 14210 days ago · 8 km deep · 16 km away
44. 1.922 km E of P?hala, HawaiiThu, Nov 5, 2:45 AM HST · 14210 days ago · 48 km deep · 25 km away
45. 1.919 km E of P?hala, HawaiiThu, Nov 5, 2:48 AM HST · 14210 days ago · 45 km deep · 25 km away
46. 1.514 km S of Volcano, HawaiiThu, Nov 5, 5:59 AM HST · 14210 days ago · 7 km deep · 15 km away
47. 1.818 km NNE of P?hala, HawaiiThu, Nov 5, 2:44 PM HST · 14210 days ago · 9 km deep · 14 km away
48. 1.829 km ESE of Naalehu, HawaiiThu, Nov 5, 5:41 PM HST · 14210 days ago · 17 km deep · 50 km away
49. 2.31 km NNW of Volcano, HawaiiThu, Nov 5, 7:34 PM HST · 14210 days ago · 17 km deep · 9 km away
50. 3.28 km W of Kalaoa, HawaiiFri, Nov 6, 8:52 AM HST · 14209 days ago · 8 km deep · 85 km away
51. 1.58 km W of Waimea, HawaiiFri, Nov 6, 6:40 PM HST · 14209 days ago · 30 km deep · 81 km away
52. 1.821 km SSE of Fern Forest, HawaiiFri, Nov 6, 9:11 PM HST · 14209 days ago · 43 km deep · 29 km away
53. 1.925 km N of P?hala, HawaiiFri, Nov 6, 10:50 PM HST · 14209 days ago · 6 km deep · 19 km away
54. 1.59 km WSW of Volcano, HawaiiFri, Nov 6, 11:16 PM HST · 14209 days ago · 4 km deep · 1 km away
55. 1.76 km SSE of Honoka‘a, HawaiiSat, Nov 7, 2:59 AM HST · 14208 days ago · 4 km deep · 69 km away
56. 1.813 km S of Pa‘auilo, HawaiiSat, Nov 7, 6:49 AM HST · 14208 days ago · 9 km deep · 55 km away
57. 1.526 km N of P?hala, HawaiiSat, Nov 7, 7:19 PM HST · 14208 days ago · 6 km deep · 19 km away
58. 2.028 km WNW of Volcano, HawaiiSat, Nov 7, 8:11 PM HST · 14208 days ago · 3 km deep · 21 km away
59. 2.125 km W of Volcano, HawaiiMon, Nov 9, 1:53 AM HST · 14206 days ago · 7 km deep · 17 km away
60. 1.89 km NNE of P?hala, HawaiiMon, Nov 9, 2:47 AM HST · 14206 days ago · 8 km deep · 21 km away

The first 60 of 197.

Before

1. 1.714 km N of Wai‘?hinu, HawaiiSun, Oct 18, 9:46 AM HST · 14228 days ago · 5 km deep · 40 km away
2. 2.013 km NW of Volcano, HawaiiSun, Oct 18, 2:37 AM HST · 14228 days ago · 9 km deep · 10 km away
3. 1.614 km SSW of Volcano, HawaiiSat, Oct 17, 8:16 PM HST · 14229 days ago · 6 km deep · 12 km away
4. 2.320 km W of Volcano, HawaiiSat, Oct 17, 4:54 AM HST · 14229 days ago · 4 km deep · 13 km away
5. 1.914 km SSE of Honaunau-Napoopoo, HawaiiSat, Oct 17, 3:06 AM HST · 14229 days ago · 10 km deep · 55 km away
6. 2.010 km NNW of P?hala, HawaiiSat, Oct 17, 1:40 AM HST · 14229 days ago · 50 km deep · 24 km away
7. 1.714 km NE of P?hala, HawaiiFri, Oct 16, 7:29 PM HST · 14230 days ago · 2 km deep · 16 km away
8. 2.712 km SSE of Volcano, HawaiiFri, Oct 16, 3:40 PM HST · 14230 days ago · 8 km deep · 16 km away
9. 1.818 km S of Volcano, HawaiiFri, Oct 16, 3:14 PM HST · 14230 days ago · 7 km deep · 18 km away
10. 2.415 km S of Fern Forest, HawaiiFri, Oct 16, 2:24 PM HST · 14230 days ago · 7 km deep · 21 km away
11. 2.525 km SSW of Honaunau-Napoopoo, HawaiiFri, Oct 16, 9:54 AM HST · 14230 days ago · 28 km deep · 68 km away
12. 1.92 km E of Honaunau-Napoopoo, HawaiiFri, Oct 16, 5:46 AM HST · 14230 days ago · 6 km deep · 55 km away
13. 1.813 km NNW of Wai‘?hinu, HawaiiFri, Oct 16, 5:43 AM HST · 14230 days ago · 7 km deep · 42 km away
14. 1.614 km SE of Fern Forest, HawaiiFri, Oct 16, 4:33 AM HST · 14230 days ago · 9 km deep · 30 km away
15. 1.65 km SW of Volcano, HawaiiThu, Oct 15, 3:42 PM HST · 14231 days ago · 2 km deep · 6 km away
16. 1.910 km WSW of Volcano, HawaiiThu, Oct 15, 8:28 AM HST · 14231 days ago · 5 km deep · 1 km away
17. 2.86 km NW of P?hala, HawaiiThu, Oct 15, 12:07 AM HST · 14231 days ago · 5 km deep · 29 km away
18. 2.213 km S of Fern Forest, HawaiiTue, Oct 13, 9:42 PM HST · 14233 days ago · 8 km deep · 21 km away
19. 1.68 km NE of P?hala, HawaiiTue, Oct 13, 4:48 PM HST · 14233 days ago · 8 km deep · 21 km away
20. 2.014 km S of Volcano, HawaiiMon, Oct 12, 4:29 PM HST · 14234 days ago · 7 km deep · 15 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv253166. Read Thu, Oct 1, 2026, 8:51 PM UTC.