M2.3 earthquake 12 km SSE of Volcano, Hawaii

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sun, Sep 20, 1981, 3:34 PM HST

UTC

1981-09-21 01:34:16 UTC

Depth

7.1 km (4.4 mi), shallow

Epicenter

19.341° N, 155.178° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

78°

Stations used

40

• Volcano, HawaiiPopulation 2,575. Forecast13 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast35 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast355 kmSE

After

1. 2.013 km NE of P?hala, HawaiiSun, Sep 20, 4:41 PM HST · 16447 days ago · 2 km deep · 22 km away
2. 1.813 km SSE of Volcano, HawaiiSun, Sep 20, 5:27 PM HST · 16447 days ago · 8 km deep · 2 km away
3. 2.913 km SSE of Volcano, HawaiiMon, Sep 21, 2:35 AM HST · 16446 days ago · 8 km deep · 4 km away
4. 1.912 km SSE of Volcano, HawaiiMon, Sep 21, 2:49 AM HST · 16446 days ago · 8 km deep · 3 km away
5. 2.17 km SW of Volcano, HawaiiMon, Sep 21, 7:22 AM HST · 16446 days ago · 14 km deep · 13 km away
6. 1.614 km SSE of Volcano, HawaiiMon, Sep 21, 10:35 AM HST · 16446 days ago · 8 km deep · 2 km away
7. 2.646 km SE of P?hala, HawaiiMon, Sep 21, 4:32 PM HST · 16446 days ago · 47 km deep · 43 km away
8. 2.012 km NE of P?hala, HawaiiMon, Sep 21, 8:14 PM HST · 16446 days ago · 5 km deep · 23 km away
9. 2.112 km SE of Fern Forest, HawaiiTue, Sep 22, 2:38 AM HST · 16445 days ago · 8 km deep · 14 km away
10. 3.115 km S of Fern Forest, HawaiiTue, Sep 22, 3:55 AM HST · 16445 days ago · 8 km deep · 6 km away
11. 3.515 km S of Fern Forest, HawaiiTue, Sep 22, 4:49 AM HST · 16445 days ago · 9 km deep · 6 km away
12. 4.016 km S of Fern Forest, HawaiiTue, Sep 22, 6:50 AM HST · 16445 days ago · 10 km deep · 7 km away
13. 1.817 km S of Volcano, HawaiiTue, Sep 22, 7:43 AM HST · 16445 days ago · 5 km deep · 7 km away
14. 1.713 km SSE of Volcano, HawaiiWed, Sep 23, 5:01 AM HST · 16444 days ago · 7 km deep · 3 km away
15. 2.014 km SE of Volcano, HawaiiWed, Sep 23, 10:46 AM HST · 16444 days ago · 7 km deep · 2 km away
16. 2.017 km ENE of P?hala, HawaiiWed, Sep 23, 12:06 PM HST · 16444 days ago · 6 km deep · 18 km away
17. 2.018 km SW of Volcano, HawaiiThu, Sep 24, 4:39 AM HST · 16443 days ago · 13 km deep · 17 km away
18. 2.016 km S of Volcano, HawaiiThu, Sep 24, 2:54 PM HST · 16443 days ago · 6 km deep · 6 km away
19. 2.322 km N of P?hala, HawaiiFri, Sep 25, 4:18 AM HST · 16442 days ago · 6 km deep · 34 km away
20. 1.616 km S of Fern Forest, HawaiiFri, Sep 25, 6:57 AM HST · 16442 days ago · 7 km deep · 5 km away
21. 2.113 km SSE of Volcano, HawaiiFri, Sep 25, 12:38 PM HST · 16442 days ago · 7 km deep · 2 km away
22. 2.113 km SSE of Volcano, HawaiiFri, Sep 25, 2:22 PM HST · 16442 days ago · 7 km deep · 2 km away
23. 2.222 km N of P?hala, HawaiiFri, Sep 25, 2:26 PM HST · 16442 days ago · 6 km deep · 35 km away
24. 1.616 km S of Fern Forest, HawaiiFri, Sep 25, 2:41 PM HST · 16442 days ago · 8 km deep · 5 km away
25. 1.515 km S of Fern Forest, HawaiiFri, Sep 25, 3:56 PM HST · 16442 days ago · 6 km deep · 7 km away
26. 1.814 km S of Volcano, HawaiiFri, Sep 25, 9:06 PM HST · 16442 days ago · 6 km deep · 5 km away
27. 1.612 km SSE of Volcano, HawaiiFri, Sep 25, 9:46 PM HST · 16441 days ago · 8 km deep · 3 km away
28. 1.612 km SSE of Volcano, HawaiiFri, Sep 25, 10:57 PM HST · 16441 days ago · 8 km deep · 3 km away
29. 1.911 km SW of Volcano, HawaiiSat, Sep 26, 12:47 AM HST · 16441 days ago · 12 km deep · 13 km away
30. 1.615 km SSE of Fern Forest, HawaiiSat, Sep 26, 12:49 AM HST · 16441 days ago · 8 km deep · 11 km away
31. 1.97 km ENE of P?hala, HawaiiSat, Sep 26, 5:14 AM HST · 16441 days ago · 38 km deep · 28 km away
32. 1.67 km WSW of P?hala, HawaiiSat, Sep 26, 6:38 AM HST · 16441 days ago · 5 km deep · 43 km away
33. 1.517 km ENE of P?hala, HawaiiSat, Sep 26, 12:37 PM HST · 16441 days ago · 6 km deep · 18 km away
34. 2.016 km ENE of P?hala, HawaiiSat, Sep 26, 12:38 PM HST · 16441 days ago · 7 km deep · 19 km away
35. 2.311 km S of Volcano, HawaiiSat, Sep 26, 10:13 PM HST · 16440 days ago · 8 km deep · 4 km away
36. 3.519 km NNE of P?hala, HawaiiSun, Sep 27, 1:50 AM HST · 16440 days ago · 9 km deep · 25 km away
37. 2.412 km SSE of Volcano, HawaiiSun, Sep 27, 4:34 AM HST · 16440 days ago · 8 km deep · 3 km away
38. 2.316 km SSW of Volcano, HawaiiSun, Sep 27, 8:53 PM HST · 16440 days ago · 8 km deep · 11 km away
39. 2.013 km NE of P?hala, HawaiiMon, Sep 28, 4:32 AM HST · 16439 days ago · 4 km deep · 23 km away
40. 2.113 km S of Volcano, HawaiiMon, Sep 28, 5:55 AM HST · 16439 days ago · 7 km deep · 8 km away
41. 2.414 km S of Fern Forest, HawaiiMon, Sep 28, 6:14 AM HST · 16439 days ago · 8 km deep · 5 km away
42. 3.112 km SSE of Volcano, HawaiiMon, Sep 28, 7:09 AM HST · 16439 days ago · 9 km deep · 2 km away
43. 2.013 km SSE of Volcano, HawaiiMon, Sep 28, 8:35 AM HST · 16439 days ago · 8 km deep · 3 km away
44. 1.915 km S of Volcano, HawaiiMon, Sep 28, 11:09 AM HST · 16439 days ago · 7 km deep · 8 km away
45. 1.912 km S of Volcano, HawaiiMon, Sep 28, 11:57 AM HST · 16439 days ago · 8 km deep · 4 km away
46. 3.825 km E of Honaunau-Napoopoo, HawaiiMon, Sep 28, 12:07 PM HST · 16439 days ago · -2 km deep · 48 km away
47. 2.012 km SSE of Volcano, HawaiiMon, Sep 28, 12:14 PM HST · 16439 days ago · 7 km deep · 1 km away
48. 3.06 km ENE of Honaunau-Napoopoo, HawaiiMon, Sep 28, 12:25 PM HST · 16439 days ago · 5 km deep · 68 km away
49. 2.013 km SSE of Volcano, HawaiiMon, Sep 28, 3:14 PM HST · 16439 days ago · 8 km deep · 1 km away
50. 2.012 km SSE of Volcano, HawaiiMon, Sep 28, 6:59 PM HST · 16439 days ago · 7 km deep · 1 km away
51. 2.016 km NE of P?hala, HawaiiTue, Sep 29, 2:57 AM HST · 16438 days ago · 8 km deep · 19 km away
52. 2.612 km S of Fern Forest, HawaiiTue, Sep 29, 3:57 AM HST · 16438 days ago · 8 km deep · 7 km away
53. 2.015 km S of Fern Forest, HawaiiTue, Sep 29, 4:16 AM HST · 16438 days ago · 6 km deep · 3 km away
54. 2.013 km SSE of Volcano, HawaiiTue, Sep 29, 12:25 PM HST · 16438 days ago · 7 km deep · 2 km away
55. 2.44 km SW of Volcano, HawaiiTue, Sep 29, 12:40 PM HST · 16438 days ago · 15 km deep · 12 km away
56. 1.911 km S of Volcano, HawaiiTue, Sep 29, 7:43 PM HST · 16438 days ago · 8 km deep · 4 km away
57. 2.213 km SSE of Volcano, HawaiiTue, Sep 29, 10:06 PM HST · 16437 days ago · 7 km deep · 1 km away
58. 1.814 km S of Volcano, HawaiiWed, Sep 30, 7:04 AM HST · 16437 days ago · 8 km deep · 6 km away
59. 4.115 km S of Volcano, HawaiiWed, Sep 30, 7:04 AM HST · 16437 days ago · 10 km deep · 6 km away
60. 2.914 km S of Volcano, HawaiiWed, Sep 30, 9:59 AM HST · 16437 days ago · 8 km deep · 6 km away

The first 60 of at least 201.

Before

1. 2.012 km SSE of Fern Forest, HawaiiSun, Sep 20, 6:43 AM HST · 16447 days ago · 7 km deep · 8 km away
2. 2.1Island of Hawaii, HawaiiSat, Sep 19, 10:14 PM HST · 16447 days ago · 8 km deep · 11 km away
3. 2.711 km S of Volcano, HawaiiSat, Sep 19, 6:12 PM HST · 16448 days ago · 7 km deep · 5 km away
4. 2.014 km NE of P?hala, HawaiiSat, Sep 19, 5:36 PM HST · 16448 days ago · 5 km deep · 20 km away
5. 2.015 km SSE of Volcano, HawaiiSat, Sep 19, 9:31 AM HST · 16448 days ago · 8 km deep · 3 km away
6. 2.414 km S of Fern Forest, HawaiiSat, Sep 19, 6:35 AM HST · 16448 days ago · 9 km deep · 6 km away
7. 1.913 km SSE of Volcano, HawaiiSat, Sep 19, 3:01 AM HST · 16448 days ago · 5 km deep · 3 km away
8. 1.615 km S of Fern Forest, HawaiiSat, Sep 19, 2:04 AM HST · 16448 days ago · 7 km deep · 6 km away
9. 1.912 km S of Volcano, HawaiiFri, Sep 18, 6:44 PM HST · 16449 days ago · 8 km deep · 4 km away
10. 2.612 km S of Volcano, HawaiiFri, Sep 18, 6:39 PM HST · 16449 days ago · 8 km deep · 4 km away
11. 1.515 km S of Volcano, HawaiiThu, Sep 17, 12:46 PM HST · 16450 days ago · 7 km deep · 9 km away
12. 2.414 km NE of P?hala, HawaiiThu, Sep 17, 10:49 AM HST · 16450 days ago · 4 km deep · 23 km away
13. 2.229 km E of Honaunau-Napoopoo, HawaiiThu, Sep 17, 2:21 AM HST · 16450 days ago · -3 km deep · 45 km away
14. 2.49 km ESE of Naalehu, HawaiiWed, Sep 16, 11:10 PM HST · 16450 days ago · 40 km deep · 49 km away
15. 1.815 km SE of Fern Forest, HawaiiWed, Sep 16, 9:13 PM HST · 16451 days ago · 6 km deep · 15 km away
16. 1.624 km N of P?hala, HawaiiWed, Sep 16, 2:45 PM HST · 16451 days ago · 5 km deep · 32 km away
17. 2.222 km NW of Hawaiian Ocean View, HawaiiWed, Sep 16, 12:04 PM HST · 16451 days ago · 41 km deep · 81 km away
18. 2.2Island of Hawaii, HawaiiTue, Sep 15, 9:48 AM HST · 16452 days ago · 8 km deep · 24 km away
19. 2.314 km NNW of Wai‘?hinu, HawaiiTue, Sep 15, 3:10 AM HST · 16452 days ago · 6 km deep · 52 km away
20. 2.015 km S of Volcano, HawaiiMon, Sep 14, 4:41 PM HST · 16453 days ago · 7 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19813325. Read Thu, Oct 1, 2026, 6:44 PM UTC.