M2.1 earthquake 12 km SSE of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Thu, Apr 2, 1981, 6:01 AM HST

UTC

1981-04-02 16:01:12 UTC

Depth

7.8 km (4.9 mi), shallow

Epicenter

19.336° N, 155.195° 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

±0.08

Depth from

From location

Station coverage gap

80°

Stations used

38

• Volcano, HawaiiPopulation 2,575. Forecast13 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast37 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast354 kmSE

After

1. 2.012 km NE of P?hala, HawaiiThu, Apr 2, 10:04 AM HST · 16618 days ago · 3 km deep · 21 km away
2. 2.313 km SSE of Volcano, HawaiiThu, Apr 2, 10:49 AM HST · 16618 days ago · 7 km deep · 1 km away
3. 2.516 km NE of P?hala, HawaiiThu, Apr 2, 11:04 AM HST · 16618 days ago · 7 km deep · 17 km away
4. 2.411 km S of Volcano, HawaiiThu, Apr 2, 1:18 PM HST · 16618 days ago · 7 km deep · 2 km away
5. 2.518 km W of Volcano, HawaiiFri, Apr 3, 7:13 AM HST · 16617 days ago · 8 km deep · 24 km away
6. 2.0Island of Hawaii, HawaiiFri, Apr 3, 10:51 AM HST · 16617 days ago · 3 km deep · 20 km away
7. 2.78 km SW of Volcano, HawaiiFri, Apr 3, 1:20 PM HST · 16617 days ago · 2 km deep · 10 km away
8. 1.99 km SSW of Volcano, HawaiiFri, Apr 3, 4:03 PM HST · 16617 days ago · 2 km deep · 10 km away
9. 2.012 km SW of Volcano, HawaiiFri, Apr 3, 6:20 PM HST · 16617 days ago · 2 km deep · 11 km away
10. 2.511 km SW of Volcano, HawaiiFri, Apr 3, 6:52 PM HST · 16617 days ago · 1 km deep · 11 km away
11. 2.011 km SW of Volcano, HawaiiFri, Apr 3, 9:44 PM HST · 16617 days ago · 3 km deep · 11 km away
12. 2.012 km S of Volcano, HawaiiFri, Apr 3, 10:01 PM HST · 16617 days ago · 9 km deep · 3 km away
13. 2.211 km SW of Volcano, HawaiiFri, Apr 3, 10:10 PM HST · 16617 days ago · 2 km deep · 11 km away
14. 2.213 km SSW of Volcano, HawaiiFri, Apr 3, 10:40 PM HST · 16617 days ago · 7 km deep · 8 km away
15. 1.715 km S of Fern Forest, HawaiiSat, Apr 4, 2:01 AM HST · 16617 days ago · 7 km deep · 7 km away
16. 2.914 km SSE of Fern Forest, HawaiiSat, Apr 4, 3:54 AM HST · 16617 days ago · 8 km deep · 9 km away
17. 2.427 km ENE of Honaunau-Napoopoo, HawaiiSat, Apr 4, 5:58 AM HST · 16616 days ago · 7 km deep · 50 km away
18. 2.013 km NE of P?hala, HawaiiSat, Apr 4, 7:22 AM HST · 16616 days ago · 3 km deep · 21 km away
19. 1.717 km S of Volcano, HawaiiSat, Apr 4, 8:55 AM HST · 16616 days ago · 7 km deep · 9 km away
20. 2.012 km NE of P?hala, HawaiiSat, Apr 4, 10:39 AM HST · 16616 days ago · 2 km deep · 22 km away
21. 2.411 km SW of Volcano, HawaiiSat, Apr 4, 9:09 PM HST · 16616 days ago · 2 km deep · 11 km away
22. 2.18 km SW of Volcano, HawaiiSun, Apr 5, 12:43 AM HST · 16616 days ago · 2 km deep · 10 km away
23. 2.011 km SW of Volcano, HawaiiSun, Apr 5, 3:28 AM HST · 16616 days ago · 2 km deep · 12 km away
24. 2.513 km SSE of Volcano, HawaiiSun, Apr 5, 3:47 AM HST · 16616 days ago · 8 km deep · 1 km away
25. 1.914 km S of Volcano, HawaiiSun, Apr 5, 5:26 AM HST · 16615 days ago · 6 km deep · 4 km away
26. 1.712 km SW of Leilani Estates, HawaiiSun, Apr 5, 5:40 AM HST · 16615 days ago · 6 km deep · 21 km away
27. 1.815 km SW of Volcano, HawaiiSun, Apr 5, 6:24 AM HST · 16615 days ago · 3 km deep · 13 km away
28. 1.910 km SW of Volcano, HawaiiSun, Apr 5, 7:02 AM HST · 16615 days ago · 2 km deep · 11 km away
29. 2.011 km SW of Volcano, HawaiiSun, Apr 5, 7:35 AM HST · 16615 days ago · 2 km deep · 11 km away
30. 2.613 km S of Volcano, HawaiiSun, Apr 5, 11:13 AM HST · 16615 days ago · 7 km deep · 7 km away
31. 1.516 km S of Pa‘auilo, HawaiiSun, Apr 5, 5:49 PM HST · 16615 days ago · 6 km deep · 65 km away
32. 2.516 km SSW of Waikoloa, HawaiiSun, Apr 5, 7:41 PM HST · 16615 days ago · 11 km deep · 86 km away
33. 1.814 km S of Fern Forest, HawaiiSun, Apr 5, 7:43 PM HST · 16615 days ago · 8 km deep · 8 km away
34. 2.1Island of Hawaii, HawaiiSun, Apr 5, 8:41 PM HST · 16615 days ago · 7 km deep · 22 km away
35. 2.412 km NE of P?hala, HawaiiSun, Apr 5, 10:09 PM HST · 16615 days ago · 7 km deep · 22 km away
36. 1.814 km SW of Volcano, HawaiiSun, Apr 5, 10:43 PM HST · 16615 days ago · 2 km deep · 13 km away
37. 1.814 km SW of Volcano, HawaiiSun, Apr 5, 10:46 PM HST · 16615 days ago · 1 km deep · 13 km away
38. 2.011 km NE of P?hala, HawaiiSun, Apr 5, 10:58 PM HST · 16615 days ago · 4 km deep · 22 km away
39. 2.012 km NE of P?hala, HawaiiMon, Apr 6, 1:35 AM HST · 16615 days ago · 5 km deep · 21 km away
40. 2.614 km NE of P?hala, HawaiiMon, Apr 6, 2:10 AM HST · 16615 days ago · 5 km deep · 20 km away
41. 2.013 km NE of P?hala, HawaiiMon, Apr 6, 3:08 AM HST · 16615 days ago · 2 km deep · 21 km away
42. 2.511 km SW of Volcano, HawaiiMon, Apr 6, 5:19 AM HST · 16614 days ago · 2 km deep · 11 km away
43. 1.918 km W of Volcano, HawaiiMon, Apr 6, 5:42 AM HST · 16614 days ago · 5 km deep · 24 km away
44. 1.913 km S of Volcano, HawaiiMon, Apr 6, 7:43 AM HST · 16614 days ago · 6 km deep · 3 km away
45. 2.314 km NE of P?hala, HawaiiMon, Apr 6, 10:22 AM HST · 16614 days ago · 5 km deep · 21 km away
46. 2.415 km NE of P?hala, HawaiiMon, Apr 6, 1:44 PM HST · 16614 days ago · 4 km deep · 20 km away
47. 2.011 km NE of P?hala, HawaiiMon, Apr 6, 2:24 PM HST · 16614 days ago · 6 km deep · 22 km away
48. 2.117 km NE of P?hala, HawaiiMon, Apr 6, 4:33 PM HST · 16614 days ago · 3 km deep · 17 km away
49. 1.914 km S of Volcano, HawaiiMon, Apr 6, 7:21 PM HST · 16614 days ago · 6 km deep · 4 km away
50. 2.215 km NE of P?hala, HawaiiMon, Apr 6, 11:06 PM HST · 16614 days ago · 4 km deep · 21 km away
51. 2.215 km NE of P?hala, HawaiiMon, Apr 6, 11:07 PM HST · 16614 days ago · 3 km deep · 20 km away
52. 2.013 km NE of P?hala, HawaiiTue, Apr 7, 5:56 AM HST · 16613 days ago · 2 km deep · 21 km away
53. 2.019 km WSW of Volcano, HawaiiTue, Apr 7, 7:41 AM HST · 16613 days ago · 8 km deep · 23 km away
54. 2.312 km NE of P?hala, HawaiiTue, Apr 7, 3:56 PM HST · 16613 days ago · 7 km deep · 22 km away
55. 3.017 km SW of Leilani Estates, HawaiiTue, Apr 7, 4:47 PM HST · 16613 days ago · 8 km deep · 18 km away
56. 2.511 km NE of P?hala, HawaiiTue, Apr 7, 7:06 PM HST · 16613 days ago · 5 km deep · 23 km away
57. 1.613 km SSE of Volcano, HawaiiTue, Apr 7, 8:35 PM HST · 16613 days ago · 7 km deep · 1 km away
58. 2.013 km NE of P?hala, HawaiiTue, Apr 7, 9:08 PM HST · 16613 days ago · 2 km deep · 21 km away
59. 2.312 km NE of P?hala, HawaiiTue, Apr 7, 10:47 PM HST · 16613 days ago · 3 km deep · 22 km away
60. 2.1Island of Hawaii, HawaiiWed, Apr 8, 1:37 AM HST · 16613 days ago · 7 km deep · 17 km away

The first 60 of at least 201.

Before

1. 3.213 km SSE of Volcano, HawaiiThu, Apr 2, 2:49 AM HST · 16619 days ago · 9 km deep · 1 km away
2. 2.014 km NE of P?hala, HawaiiWed, Apr 1, 8:23 PM HST · 16619 days ago · 3 km deep · 20 km away
3. 2.514 km NE of P?hala, HawaiiWed, Apr 1, 2:46 PM HST · 16619 days ago · 4 km deep · 21 km away
4. 2.013 km NE of P?hala, HawaiiWed, Apr 1, 12:02 PM HST · 16619 days ago · 5 km deep · 21 km away
5. 2.311 km NE of P?hala, HawaiiTue, Mar 31, 10:35 PM HST · 16620 days ago · 4 km deep · 23 km away
6. 2.526 km ENE of Honaunau-Napoopoo, HawaiiTue, Mar 31, 8:50 PM HST · 16620 days ago · 6 km deep · 51 km away
7. 2.314 km SW of Volcano, HawaiiTue, Mar 31, 5:46 PM HST · 16620 days ago · 2 km deep · 13 km away
8. 2.115 km S of Fern Forest, HawaiiTue, Mar 31, 3:08 PM HST · 16620 days ago · 6 km deep · 7 km away
9. 1.911 km S of Volcano, HawaiiTue, Mar 31, 9:56 AM HST · 16620 days ago · 7 km deep · 2 km away
10. 2.713 km S of Volcano, HawaiiTue, Mar 31, 8:46 AM HST · 16620 days ago · 9 km deep · 3 km away
11. 2.527 km E of Honaunau-Napoopoo, HawaiiTue, Mar 31, 2:57 AM HST · 16621 days ago · 0 km deep · 44 km away
12. 2.014 km NE of P?hala, HawaiiTue, Mar 31, 2:22 AM HST · 16621 days ago · 4 km deep · 20 km away
13. 2.014 km NE of P?hala, HawaiiMon, Mar 30, 7:40 PM HST · 16621 days ago · 4 km deep · 20 km away
14. 1.815 km S of Fern Forest, HawaiiMon, Mar 30, 7:10 PM HST · 16621 days ago · 6 km deep · 7 km away
15. 1.914 km SW of Volcano, HawaiiMon, Mar 30, 2:40 PM HST · 16621 days ago · 2 km deep · 13 km away
16. 2.015 km SW of Leilani Estates, HawaiiMon, Mar 30, 1:44 PM HST · 16621 days ago · 5 km deep · 19 km away
17. 2.12 km ENE of Pa‘auilo, HawaiiMon, Mar 30, 12:16 PM HST · 16621 days ago · 10 km deep · 81 km away
18. 3.813 km SSE of Volcano, HawaiiMon, Mar 30, 9:06 AM HST · 16621 days ago · 8 km deep · 1 km away
19. 2.312 km SSE of Volcano, HawaiiMon, Mar 30, 8:59 AM HST · 16621 days ago · 7 km deep · 0 km away
20. 2.411 km NNW of Wai‘?hinu, HawaiiMon, Mar 30, 5:17 AM HST · 16621 days ago · 2 km deep · 54 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19811359. Read Fri, Oct 2, 2026, 2:26 AM UTC.