M2.1 earthquake 9 km SW of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sat, Dec 12, 1987, 5:18 PM HST

UTC

1987-12-13 03:18:43 UTC

Depth

-0.5 km (-0.3 mi), shallow

Epicenter

19.380° N, 155.298° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 0.3 km in depth

Depth from

From location

Station coverage gap

175°

Stations used

12

• Volcano, HawaiiPopulation 2,575. Forecast10 kmSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast41 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast342 kmSE

After

1. 2.814 km WNW of Kalaoa, HawaiiSat, Dec 12, 9:43 PM HST · 14173 days ago · 8 km deep · 96 km away
2. 3.313 km W of P?hala, HawaiiSun, Dec 13, 1:55 PM HST · 14172 days ago · 4 km deep · 38 km away
3. 2.622 km ENE of Honaunau-Napoopoo, HawaiiTue, Dec 15, 10:54 AM HST · 14170 days ago · 6 km deep · 45 km away
4. 2.77 km NNW of P?hala, HawaiiTue, Dec 15, 9:44 PM HST · 14170 days ago · 9 km deep · 25 km away
5. 2.65 km ESE of Kalaoa, HawaiiWed, Dec 16, 3:06 AM HST · 14170 days ago · 25 km deep · 76 km away
6. 1.917 km W of Volcano, HawaiiWed, Dec 16, 4:59 AM HST · 14169 days ago · 8 km deep · 14 km away
7. 2.15 km NW of Volcano, HawaiiWed, Dec 16, 7:25 AM HST · 14169 days ago · 6 km deep · 12 km away
8. 1.98 km N of Wai‘?hinu, HawaiiWed, Dec 16, 10:24 AM HST · 14169 days ago · 7 km deep · 43 km away
9. 1.616 km N of P?hala, HawaiiWed, Dec 16, 1:31 PM HST · 14169 days ago · 7 km deep · 22 km away
10. 1.613 km N of P?hala, HawaiiWed, Dec 16, 8:47 PM HST · 14169 days ago · 9 km deep · 23 km away
11. 2.215 km E of P?hala, HawaiiThu, Dec 17, 8:48 AM HST · 14168 days ago · 27 km deep · 20 km away
12. 3.218 km N of P?hala, HawaiiThu, Dec 17, 9:24 AM HST · 14168 days ago · 8 km deep · 19 km away
13. 1.620 km SSE of P?hala, HawaiiThu, Dec 17, 11:16 AM HST · 14168 days ago · 32 km deep · 38 km away
14. 2.328 km WSW of Pepeekeo, HawaiiThu, Dec 17, 5:28 PM HST · 14168 days ago · 13 km deep · 43 km away
15. 2.224 km N of P?hala, HawaiiFri, Dec 18, 1:00 AM HST · 14168 days ago · 7 km deep · 22 km away
16. 1.616 km SW of Leilani Estates, HawaiiFri, Dec 18, 4:00 AM HST · 14168 days ago · 6 km deep · 30 km away
17. 2.417 km SW of Leilani Estates, HawaiiFri, Dec 18, 4:36 AM HST · 14167 days ago · 6 km deep · 30 km away
18. 2.116 km SW of Leilani Estates, HawaiiSat, Dec 19, 8:12 AM HST · 14166 days ago · 6 km deep · 30 km away
19. 2.62 km NE of Honaunau-Napoopoo, HawaiiSat, Dec 19, 8:26 PM HST · 14166 days ago · 9 km deep · 58 km away
20. 2.118 km N of P?hala, HawaiiSun, Dec 20, 3:26 AM HST · 14166 days ago · 7 km deep · 19 km away
21. 1.917 km S of Volcano, HawaiiMon, Dec 21, 2:04 PM HST · 14164 days ago · 8 km deep · 13 km away
22. 1.913 km SE of Fern Forest, HawaiiMon, Dec 21, 2:47 PM HST · 14164 days ago · 7 km deep · 27 km away
23. 2.615 km S of Fern Forest, HawaiiMon, Dec 21, 4:16 PM HST · 14164 days ago · 8 km deep · 20 km away
24. 1.916 km S of Volcano, HawaiiMon, Dec 21, 6:23 PM HST · 14164 days ago · 6 km deep · 13 km away
25. 1.712 km S of Volcano, HawaiiTue, Dec 22, 8:21 AM HST · 14163 days ago · 5 km deep · 10 km away
26. 1.916 km S of Volcano, HawaiiTue, Dec 22, 8:28 PM HST · 14163 days ago · 8 km deep · 13 km away
27. 1.817 km S of Volcano, HawaiiTue, Dec 22, 8:29 PM HST · 14163 days ago · 7 km deep · 14 km away
28. 1.721 km W of Volcano, HawaiiWed, Dec 23, 12:12 AM HST · 14163 days ago · 5 km deep · 15 km away
29. 2.4Island of Hawaii, HawaiiWed, Dec 23, 3:01 PM HST · 14162 days ago · 30 km deep · 5 km away
30. 2.28 km SSE of Waikoloa, HawaiiWed, Dec 23, 5:13 PM HST · 14162 days ago · 11 km deep · 72 km away
31. 2.43 km N of Volcano, HawaiiThu, Dec 24, 6:36 AM HST · 14161 days ago · 14 km deep · 12 km away
32. 2.012 km N of P?hala, HawaiiThu, Dec 24, 3:47 PM HST · 14161 days ago · 7 km deep · 22 km away
33. 3.119 km SSE of Waikoloa, HawaiiFri, Dec 25, 5:21 AM HST · 14160 days ago · 12 km deep · 62 km away
34. 2.314 km SSE of Fern Forest, HawaiiFri, Dec 25, 12:06 PM HST · 14160 days ago · 7 km deep · 21 km away
35. 3.912 km W of Volcano, HawaiiFri, Dec 25, 2:19 PM HST · 14160 days ago · 37 km deep · 8 km away
36. 2.26 km NW of P?hala, HawaiiFri, Dec 25, 7:24 PM HST · 14160 days ago · 6 km deep · 29 km away
37. 2.013 km SSE of Fern Forest, HawaiiFri, Dec 25, 9:35 PM HST · 14160 days ago · 7 km deep · 24 km away
38. 2.312 km SSE of Volcano, HawaiiSat, Dec 26, 1:41 AM HST · 14160 days ago · 5 km deep · 12 km away
39. 2.123 km SW of Laup?hoehoe, HawaiiSat, Dec 26, 10:23 AM HST · 14159 days ago · 24 km deep · 50 km away
40. 1.912 km SW of Volcano, HawaiiSat, Dec 26, 4:13 PM HST · 14159 days ago · 12 km deep · 2 km away
41. 1.818 km N of P?hala, HawaiiSun, Dec 27, 4:51 AM HST · 14158 days ago · 9 km deep · 18 km away
42. 2.58 km W of Volcano, HawaiiSun, Dec 27, 3:14 PM HST · 14158 days ago · 6 km deep · 6 km away
43. 1.913 km S of Volcano, HawaiiMon, Dec 28, 9:12 AM HST · 14157 days ago · 6 km deep · 11 km away
44. 1.910 km S of Volcano, HawaiiMon, Dec 28, 10:41 AM HST · 14157 days ago · 7 km deep · 10 km away
45. 2.0Island of Hawaii, HawaiiMon, Dec 28, 3:47 PM HST · 14157 days ago · 7 km deep · 18 km away
46. 1.813 km SSE of Fern Forest, HawaiiTue, Dec 29, 9:53 AM HST · 14156 days ago · 8 km deep · 24 km away
47. 1.66 km WSW of Volcano, HawaiiTue, Dec 29, 10:16 PM HST · 14156 days ago · 0 km deep · 3 km away
48. 1.816 km S of Fern Forest, HawaiiWed, Dec 30, 8:13 AM HST · 14155 days ago · 8 km deep · 21 km away
49. 1.913 km SSE of Volcano, HawaiiWed, Dec 30, 5:00 PM HST · 14155 days ago · 7 km deep · 13 km away
50. 2.017 km N of P?hala, HawaiiWed, Dec 30, 6:48 PM HST · 14155 days ago · 8 km deep · 17 km away
51. 1.615 km SW of Leilani Estates, HawaiiFri, Jan 1, 6:49 AM HST · 14153 days ago · 8 km deep · 30 km away
52. 1.712 km SSE of Volcano, HawaiiFri, Jan 1, 3:17 PM HST · 14153 days ago · 7 km deep · 11 km away
53. 2.314 km W of Kalaoa, HawaiiFri, Jan 1, 10:00 PM HST · 14153 days ago · 13 km deep · 95 km away
54. 2.613 km S of Volcano, HawaiiSat, Jan 2, 12:56 AM HST · 14153 days ago · 9 km deep · 10 km away
55. 1.614 km S of Volcano, HawaiiSat, Jan 2, 3:55 AM HST · 14153 days ago · 6 km deep · 9 km away
56. 1.913 km SSE of Volcano, HawaiiSat, Jan 2, 6:01 PM HST · 14152 days ago · 7 km deep · 13 km away
57. 2.46 km SSW of Volcano, HISat, Jan 2, 6:54 PM HST · 14152 days ago · 2 km deep · 5 km away
58. 1.916 km N of P?hala, HawaiiSat, Jan 2, 9:44 PM HST · 14152 days ago · 8 km deep · 22 km away
59. 2.310 km NNW of P?hala, HawaiiSun, Jan 3, 9:42 AM HST · 14151 days ago · 8 km deep · 23 km away
60. 2.612 km SSE of Volcano, HawaiiSun, Jan 3, 8:12 PM HST · 14151 days ago · 7 km deep · 12 km away

The first 60 of 198.

Before

1. 3.015 km S of Fern Forest, HawaiiSat, Dec 12, 11:57 AM HST · 14173 days ago · 8 km deep · 18 km away
2. 1.9Island of Hawaii, HawaiiSat, Dec 12, 4:28 AM HST · 14174 days ago · 6 km deep · 11 km away
3. 1.713 km SSE of Volcano, HawaiiSat, Dec 12, 4:23 AM HST · 14174 days ago · 6 km deep · 12 km away
4. 1.613 km E of P?hala, HawaiiFri, Dec 11, 9:05 PM HST · 14174 days ago · 8 km deep · 18 km away
5. 1.5Island of Hawaii, HawaiiFri, Dec 11, 7:23 PM HST · 14174 days ago · 7 km deep · 14 km away
6. 3.312 km S of Volcano, HawaiiFri, Dec 11, 7:09 PM HST · 14174 days ago · 9 km deep · 10 km away
7. 1.514 km SSE of Volcano, HawaiiFri, Dec 11, 6:42 PM HST · 14174 days ago · 6 km deep · 13 km away
8. 1.826 km W of Volcano, HawaiiFri, Dec 11, 6:03 PM HST · 14174 days ago · 8 km deep · 21 km away
9. 1.85 km SW of Volcano, HawaiiFri, Dec 11, 3:49 PM HST · 14174 days ago · 1 km deep · 4 km away
10. 1.511 km S of Volcano, HawaiiFri, Dec 11, 5:09 AM HST · 14174 days ago · 7 km deep · 10 km away
11. 2.614 km SSE of Fern Forest, HawaiiThu, Dec 10, 9:22 AM HST · 14175 days ago · 7 km deep · 21 km away
12. 1.713 km SSE of Volcano, HawaiiThu, Dec 10, 1:39 AM HST · 14176 days ago · 7 km deep · 12 km away
13. 1.932 km SE of Naalehu, HawaiiThu, Dec 10, 1:21 AM HST · 14176 days ago · 12 km deep · 63 km away
14. 2.28 km SW of Volcano, HawaiiWed, Dec 9, 7:16 PM HST · 14176 days ago · 13 km deep · 1 km away
15. 2.224 km N of P?hala, HawaiiWed, Dec 9, 2:33 PM HST · 14176 days ago · 7 km deep · 20 km away
16. 2.434 km ENE of Honaunau-Napoopoo, HawaiiWed, Dec 9, 9:01 AM HST · 14176 days ago · 4 km deep · 36 km away
17. 2.18 km WSW of Volcano, HawaiiWed, Dec 9, 8:22 AM HST · 14176 days ago · 5 km deep · 4 km away
18. 3.518 km N of P?hala, HawaiiWed, Dec 9, 5:07 AM HST · 14176 days ago · 8 km deep · 19 km away
19. 3.016 km S of Fern Forest, HawaiiWed, Dec 9, 2:20 AM HST · 14177 days ago · 9 km deep · 19 km away
20. 3.613 km SSE of Volcano, HawaiiTue, Dec 8, 8:16 PM HST · 14177 days ago · 9 km deep · 14 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv257445. Read Fri, Oct 2, 2026, 2:05 AM UTC.