M2.1 earthquake 15 km S of Fern Forest, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Fri, Sep 4, 1981, 1:34 PM HST

UTC

1981-09-04 23:34:41 UTC

Depth

7.8 km (4.8 mi), shallow

Epicenter

19.323° N, 155.125° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.01

Depth from

From location

Station coverage gap

101°

Stations used

39

• Fern Forest, HawaiiPopulation 1,150. Forecast16 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast34 kmSSW
• Honolulu, HawaiiPopulation 350,964. Forecast360 kmSE

After

1. 2.713 km SSE of Fern Forest, HawaiiFri, Sep 4, 2:50 PM HST · 16463 days ago · 9 km deep · 4 km away
2. 2.311 km SSE of Volcano, HawaiiFri, Sep 4, 10:51 PM HST · 16463 days ago · 8 km deep · 6 km away
3. 2.211 km S of Volcano, HawaiiSat, Sep 5, 3:43 AM HST · 16463 days ago · 8 km deep · 10 km away
4. 1.613 km SSE of Volcano, HawaiiSat, Sep 5, 11:15 AM HST · 16462 days ago · 7 km deep · 7 km away
5. 2.014 km SSE of Volcano, HawaiiSat, Sep 5, 3:43 PM HST · 16462 days ago · 8 km deep · 7 km away
6. 2.410 km ESE of Naalehu, HawaiiSat, Sep 5, 6:48 PM HST · 16462 days ago · 39 km deep · 52 km away
7. 1.713 km SSE of Volcano, HawaiiSat, Sep 5, 7:32 PM HST · 16462 days ago · 7 km deep · 8 km away
8. 1.914 km S of Volcano, HawaiiSat, Sep 5, 10:49 PM HST · 16462 days ago · 8 km deep · 14 km away
9. 1.614 km S of Volcano, HawaiiSat, Sep 5, 11:38 PM HST · 16462 days ago · 7 km deep · 11 km away
10. 2.012 km SSE of Volcano, HawaiiSun, Sep 6, 3:57 AM HST · 16462 days ago · 8 km deep · 8 km away
11. 2.7Island of Hawaii, HawaiiSun, Sep 6, 4:22 AM HST · 16462 days ago · 9 km deep · 6 km away
12. 1.813 km SE of Fern Forest, HawaiiSun, Sep 6, 6:55 AM HST · 16462 days ago · 8 km deep · 9 km away
13. 1.614 km S of Volcano, HawaiiSun, Sep 6, 8:46 PM HST · 16461 days ago · 6 km deep · 14 km away
14. 3.31 km SW of Kailua-Kona, HawaiiSun, Sep 6, 10:21 PM HST · 16461 days ago · 40 km deep · 99 km away
15. 3.322 km N of P?hala, HawaiiSun, Sep 6, 10:34 PM HST · 16461 days ago · 8 km deep · 39 km away
16. 1.622 km N of P?hala, HawaiiSun, Sep 6, 11:00 PM HST · 16461 days ago · 7 km deep · 39 km away
17. 2.013 km SSE of Volcano, HawaiiMon, Sep 7, 3:49 AM HST · 16461 days ago · 7 km deep · 6 km away
18. 2.116 km SE of Fern Forest, HawaiiMon, Sep 7, 5:26 AM HST · 16461 days ago · 6 km deep · 10 km away
19. 1.614 km S of Volcano, HawaiiMon, Sep 7, 12:07 PM HST · 16460 days ago · 7 km deep · 14 km away
20. 2.421 km N of P?hala, HawaiiTue, Sep 8, 2:05 AM HST · 16460 days ago · 8 km deep · 39 km away
21. 1.811 km SW of Volcano, HawaiiTue, Sep 8, 3:29 AM HST · 16460 days ago · 2 km deep · 19 km away
22. 2.016 km NNE of P?hala, HawaiiTue, Sep 8, 4:31 AM HST · 16460 days ago · 8 km deep · 31 km away
23. 2.0Island of Hawaii, HawaiiTue, Sep 8, 9:17 AM HST · 16460 days ago · 7 km deep · 8 km away
24. 2.528 km ESE of Naalehu, HawaiiTue, Sep 8, 12:15 PM HST · 16459 days ago · 44 km deep · 42 km away
25. 2.48 km ESE of Hilo, HawaiiTue, Sep 8, 12:43 PM HST · 16459 days ago · 0 km deep · 44 km away
26. 2.216 km W of Volcano, HawaiiTue, Sep 8, 2:05 PM HST · 16459 days ago · 4 km deep · 30 km away
27. 2.012 km SSE of Volcano, HawaiiTue, Sep 8, 7:54 PM HST · 16459 days ago · 7 km deep · 7 km away
28. 2.014 km S of Volcano, HawaiiTue, Sep 8, 10:09 PM HST · 16459 days ago · 6 km deep · 10 km away
29. 2.14 km SW of Volcano, HawaiiWed, Sep 9, 11:23 AM HST · 16458 days ago · 14 km deep · 18 km away
30. 2.015 km S of Fern Forest, HawaiiWed, Sep 9, 1:38 PM HST · 16458 days ago · 7 km deep · 2 km away
31. 2.014 km NE of P?hala, HawaiiWed, Sep 9, 2:36 PM HST · 16458 days ago · 8 km deep · 27 km away
32. 2.013 km SE of Eden Roc, HawaiiWed, Sep 9, 3:28 PM HST · 16458 days ago · 7 km deep · 13 km away
33. 1.513 km SSE of Fern Forest, HawaiiWed, Sep 9, 4:14 PM HST · 16458 days ago · 7 km deep · 6 km away
34. 1.613 km SSE of Volcano, HawaiiWed, Sep 9, 8:56 PM HST · 16458 days ago · 7 km deep · 8 km away
35. 2.114 km SE of Fern Forest, HawaiiThu, Sep 10, 5:57 AM HST · 16458 days ago · 8 km deep · 10 km away
36. 1.96 km ENE of P?hala, HawaiiThu, Sep 10, 9:50 PM HST · 16457 days ago · 38 km deep · 33 km away
37. 1.66 km WNW of P?hala, HawaiiFri, Sep 11, 4:20 AM HST · 16457 days ago · 6 km deep · 45 km away
38. 1.714 km S of Volcano, HawaiiFri, Sep 11, 7:11 AM HST · 16457 days ago · 7 km deep · 10 km away
39. 2.512 km NE of P?hala, HawaiiFri, Sep 11, 9:40 AM HST · 16457 days ago · 8 km deep · 27 km away
40. 1.812 km NE of P?hala, HawaiiFri, Sep 11, 9:52 AM HST · 16457 days ago · 5 km deep · 27 km away
41. 2.24 km N of Kea‘au, HIFri, Sep 11, 2:22 PM HST · 16456 days ago · 0 km deep · 38 km away
42. 1.99 km SE of Fern Acres, HawaiiFri, Sep 11, 3:14 PM HST · 16456 days ago · 46 km deep · 17 km away
43. 1.516 km ENE of P?hala, HawaiiSat, Sep 12, 1:27 AM HST · 16456 days ago · 5 km deep · 23 km away
44. 2.813 km SSE of Volcano, HawaiiSat, Sep 12, 3:42 PM HST · 16455 days ago · 8 km deep · 9 km away
45. 2.44 km SSE of Pa‘auilo, HawaiiSat, Sep 12, 6:48 PM HST · 16455 days ago · 9 km deep · 80 km away
46. 2.121 km N of P?hala, HawaiiSun, Sep 13, 12:42 AM HST · 16455 days ago · 8 km deep · 38 km away
47. 2.415 km SSE of Eden Roc, HawaiiSun, Sep 13, 1:23 AM HST · 16455 days ago · 8 km deep · 12 km away
48. 2.313 km NE of P?hala, HawaiiSun, Sep 13, 10:16 PM HST · 16454 days ago · 6 km deep · 26 km away
49. 1.813 km SSE of Volcano, HawaiiMon, Sep 14, 1:47 AM HST · 16454 days ago · 6 km deep · 8 km away
50. 2.513 km S of Volcano, HawaiiMon, Sep 14, 6:27 AM HST · 16454 days ago · 8 km deep · 10 km away
51. 2.35 km NNW of Volcano, HawaiiMon, Sep 14, 7:46 AM HST · 16454 days ago · 9 km deep · 23 km away
52. 2.014 km S of Volcano, HawaiiMon, Sep 14, 8:08 AM HST · 16454 days ago · 7 km deep · 11 km away
53. 2.314 km SSE of Volcano, HawaiiMon, Sep 14, 10:21 AM HST · 16454 days ago · 9 km deep · 7 km away
54. 2.213 km SSE of Volcano, HawaiiMon, Sep 14, 3:39 PM HST · 16453 days ago · 6 km deep · 8 km away
55. 2.413 km SSE of Volcano, HawaiiMon, Sep 14, 4:01 PM HST · 16453 days ago · 6 km deep · 6 km away
56. 2.015 km S of Volcano, HawaiiMon, Sep 14, 4:41 PM HST · 16453 days ago · 7 km deep · 9 km away
57. 2.314 km NNW of Wai‘?hinu, HawaiiTue, Sep 15, 3:10 AM HST · 16453 days ago · 6 km deep · 56 km away
58. 2.2Island of Hawaii, HawaiiTue, Sep 15, 9:48 AM HST · 16453 days ago · 8 km deep · 28 km away
59. 2.222 km NW of Hawaiian Ocean View, HawaiiWed, Sep 16, 12:04 PM HST · 16451 days ago · 41 km deep · 86 km away
60. 1.624 km N of P?hala, HawaiiWed, Sep 16, 2:45 PM HST · 16451 days ago · 5 km deep · 38 km away

The first 60 of at least 200.

Before

1. 2.415 km SSE of Eden Roc, HawaiiFri, Sep 4, 6:13 AM HST · 16464 days ago · 7 km deep · 12 km away
2. 2.018 km NNE of P?hala, HawaiiThu, Sep 3, 8:45 PM HST · 16464 days ago · 7 km deep · 33 km away
3. 2.425 km SSE of Waimea, HawaiiThu, Sep 3, 7:12 PM HST · 16464 days ago · 20 km deep · 72 km away
4. 2.019 km N of P?hala, HawaiiThu, Sep 3, 9:59 AM HST · 16465 days ago · 7 km deep · 34 km away
5. 1.613 km SSE of Volcano, HawaiiWed, Sep 2, 8:36 PM HST · 16465 days ago · 5 km deep · 8 km away
6. 2.2Island of Hawaii, HawaiiTue, Sep 1, 7:21 PM HST · 16466 days ago · 8 km deep · 2 km away
7. 1.911 km S of Volcano, HawaiiTue, Sep 1, 7:13 PM HST · 16466 days ago · 7 km deep · 9 km away
8. 2.314 km SSE of Volcano, HawaiiTue, Sep 1, 3:47 PM HST · 16466 days ago · 7 km deep · 5 km away
9. 3.122 km NNE of Hawaiian Paradise Park, HawaiiTue, Sep 1, 10:42 AM HST · 16466 days ago · 41 km deep · 57 km away
10. 1.612 km SSE of Volcano, HawaiiTue, Sep 1, 9:03 AM HST · 16467 days ago · 8 km deep · 9 km away
11. 2.015 km SE of Fern Forest, HawaiiTue, Sep 1, 12:17 AM HST · 16467 days ago · 6 km deep · 11 km away
12. 2.013 km SSE of Volcano, HawaiiMon, Aug 31, 12:46 PM HST · 16467 days ago · 7 km deep · 7 km away
13. 2.79 km WSW of Captain Cook, HawaiiMon, Aug 31, 8:12 AM HST · 16468 days ago · 11 km deep · 94 km away
14. 2.117 km SSE of Fern Forest, HawaiiMon, Aug 31, 6:32 AM HST · 16468 days ago · 8 km deep · 8 km away
15. 2.36 km SW of Volcano, HawaiiMon, Aug 31, 1:40 AM HST · 16468 days ago · 14 km deep · 18 km away
16. 1.912 km SSE of Volcano, HawaiiMon, Aug 31, 1:17 AM HST · 16468 days ago · 6 km deep · 8 km away
17. 2.012 km SSE of Volcano, HawaiiSun, Aug 30, 9:52 PM HST · 16468 days ago · 8 km deep · 7 km away
18. 1.915 km S of Volcano, HawaiiSun, Aug 30, 9:15 PM HST · 16468 days ago · 7 km deep · 12 km away
19. 2.013 km SSE of Volcano, HawaiiSun, Aug 30, 3:01 PM HST · 16468 days ago · 6 km deep · 6 km away
20. 2.114 km SSE of Volcano, HawaiiSun, Aug 30, 11:33 AM HST · 16468 days ago · 8 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19813232. Read Fri, Oct 2, 2026, 7:52 AM UTC.