M2.2 earthquake 8 km SSW of Volcano, Hawaii

Magnitude

2.2 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Fri, Apr 30, 1971, 11:24 AM HST

UTC

1971-04-30 21:24:38 UTC

Depth

26.1 km (16.2 mi), shallow

Epicenter

19.378° N, 155.273° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 1.5 km in depth

Depth from

From location

Station coverage gap

80°

Stations used

15

• Volcano, HawaiiPopulation 2,575. Forecast8 kmSSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast39 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast344 kmSE

After

1. 2.216 km SW of Volcano, HawaiiSat, May 1, 1:15 AM HST · 20245 days ago · 8 km deep · 8 km away
2. 2.217 km ESE of P?hala, HawaiiSat, May 1, 5:05 AM HST · 20245 days ago · 8 km deep · 27 km away
3. 1.914 km SSE of Volcano, HawaiiSat, May 1, 7:28 AM HST · 20245 days ago · 1 km deep · 10 km away
4. 1.82 km WSW of Volcano, HawaiiSat, May 1, 1:03 PM HST · 20245 days ago · -1 km deep · 7 km away
5. 1.912 km SSE of Volcano, HawaiiSun, May 2, 8:22 AM HST · 20244 days ago · 6 km deep · 8 km away
6. 2.212 km SSE of Volcano, HawaiiSun, May 2, 2:39 PM HST · 20244 days ago · 6 km deep · 9 km away
7. 2.59 km ENE of Honaunau-Napoopoo, HawaiiSun, May 2, 6:32 PM HST · 20244 days ago · 8 km deep · 55 km away
8. 2.522 km S of Waikoloa, HawaiiSun, May 2, 7:16 PM HST · 20244 days ago · 13 km deep · 65 km away
9. 2.319 km ENE of Honaunau-Napoopoo, HawaiiSun, May 2, 7:39 PM HST · 20244 days ago · 11 km deep · 47 km away
10. 2.78 km SW of Captain Cook, HawaiiMon, May 3, 12:39 AM HST · 20243 days ago · 32 km deep · 75 km away
11. 2.327 km SSW of Laup?hoehoe, HawaiiMon, May 3, 4:15 AM HST · 20243 days ago · 15 km deep · 44 km away
12. 2.410 km ENE of P?hala, HawaiiMon, May 3, 8:02 AM HST · 20243 days ago · 40 km deep · 20 km away
13. 2.418 km ESE of P?hala, HawaiiMon, May 3, 2:03 PM HST · 20243 days ago · 40 km deep · 26 km away
14. 2.312 km N of Wai‘?hinu, HawaiiMon, May 3, 5:04 PM HST · 20243 days ago · 7 km deep · 41 km away
15. 2.614 km SSE of Naalehu, HawaiiMon, May 3, 8:27 PM HST · 20243 days ago · 35 km deep · 56 km away
16. 2.017 km NNE of P?hala, HawaiiMon, May 3, 9:28 PM HST · 20243 days ago · 6 km deep · 16 km away
17. 2.016 km NNE of P?hala, HawaiiMon, May 3, 9:30 PM HST · 20243 days ago · 7 km deep · 16 km away
18. 2.017 km NNE of P?hala, HawaiiMon, May 3, 9:30 PM HST · 20243 days ago · 7 km deep · 15 km away
19. 2.43 km NW of Volcano, HawaiiTue, May 4, 10:23 AM HST · 20242 days ago · 29 km deep · 9 km away
20. 2.026 km W of Volcano, HawaiiTue, May 4, 11:51 PM HST · 20241 days ago · -1 km deep · 24 km away
21. 1.96 km SW of Volcano, HawaiiWed, May 5, 12:38 AM HST · 20241 days ago · 9 km deep · 3 km away
22. 2.018 km N of P?hala, HawaiiWed, May 5, 2:46 AM HST · 20241 days ago · 6 km deep · 20 km away
23. 2.66 km S of Pa‘auilo, HawaiiWed, May 5, 5:59 AM HST · 20241 days ago · 11 km deep · 68 km away
24. 2.010 km ENE of P?hala, HawaiiWed, May 5, 7:34 AM HST · 20241 days ago · 3 km deep · 19 km away
25. 1.76 km SSW of Volcano, HawaiiWed, May 5, 9:00 AM HST · 20241 days ago · 1 km deep · 1 km away
26. 2.8Island of Hawaii, HawaiiWed, May 5, 11:57 AM HST · 20241 days ago · 9 km deep · 22 km away
27. 2.58 km S of Volcano, HawaiiWed, May 5, 3:24 PM HST · 20241 days ago · 34 km deep · 4 km away
28. 2.011 km NE of P?hala, HawaiiWed, May 5, 3:26 PM HST · 20241 days ago · 6 km deep · 18 km away
29. 2.015 km NNE of P?hala, HawaiiWed, May 5, 4:07 PM HST · 20241 days ago · 8 km deep · 15 km away
30. 2.510 km NNW of Wai‘?hinu, HawaiiThu, May 6, 5:42 PM HST · 20240 days ago · 5 km deep · 45 km away
31. 1.919 km W of Volcano, HawaiiThu, May 6, 6:32 PM HST · 20240 days ago · 5 km deep · 18 km away
32. 3.18 km S of Pa‘auilo, HawaiiThu, May 6, 9:05 PM HST · 20240 days ago · 10 km deep · 66 km away
33. 2.022 km W of Volcano, HawaiiFri, May 7, 12:54 AM HST · 20239 days ago · 3 km deep · 20 km away
34. 2.614 km S of Volcano, HawaiiFri, May 7, 3:34 AM HST · 20239 days ago · 7 km deep · 8 km away
35. 2.016 km NNE of P?hala, HawaiiFri, May 7, 8:42 AM HST · 20239 days ago · 8 km deep · 16 km away
36. 1.913 km S of Volcano, HawaiiFri, May 7, 10:21 AM HST · 20239 days ago · 6 km deep · 7 km away
37. 3.17 km SSW of Volcano, HawaiiSat, May 8, 5:10 AM HST · 20238 days ago · 28 km deep · 2 km away
38. 2.021 km WSW of Volcano, HawaiiSat, May 8, 3:11 PM HST · 20238 days ago · 8 km deep · 17 km away
39. 2.414 km SSE of Fern Forest, HawaiiSat, May 8, 4:18 PM HST · 20238 days ago · 5 km deep · 18 km away
40. 2.015 km SSE of Volcano, HawaiiSat, May 8, 4:49 PM HST · 20238 days ago · 7 km deep · 12 km away
41. 2.68 km SSW of Laup?hoehoe, HawaiiSat, May 8, 10:16 PM HST · 20238 days ago · 41 km deep · 60 km away
42. 1.813 km SSW of Volcano, HawaiiSun, May 9, 2:43 AM HST · 20237 days ago · 4 km deep · 5 km away
43. 1.9Island of Hawaii, HawaiiSun, May 9, 2:59 AM HST · 20237 days ago · 6 km deep · 17 km away
44. 1.918 km W of Volcano, HawaiiSun, May 9, 6:57 AM HST · 20237 days ago · 6 km deep · 17 km away
45. 1.95 km SW of Volcano, HawaiiSun, May 9, 7:28 AM HST · 20237 days ago · 13 km deep · 4 km away
46. 2.66 km WNW of Volcano, HawaiiSun, May 9, 5:01 PM HST · 20237 days ago · 28 km deep · 11 km away
47. 2.0Island of Hawaii, HawaiiSun, May 9, 8:12 PM HST · 20237 days ago · 9 km deep · 10 km away
48. 2.423 km SW of Pa‘auilo, HawaiiSun, May 9, 9:29 PM HST · 20237 days ago · 18 km deep · 59 km away
49. 2.016 km NNE of P?hala, HawaiiMon, May 10, 3:53 AM HST · 20236 days ago · 6 km deep · 16 km away
50. 2.1Island of Hawaii, HawaiiMon, May 10, 2:23 PM HST · 20236 days ago · 6 km deep · 18 km away
51. 2.415 km SSE of Honaunau-Napoopoo, HawaiiMon, May 10, 7:39 PM HST · 20236 days ago · 6 km deep · 55 km away
52. 2.117 km W of Volcano, HawaiiMon, May 10, 8:02 PM HST · 20236 days ago · 11 km deep · 14 km away
53. 2.312 km SSE of Volcano, HawaiiTue, May 11, 4:26 AM HST · 20235 days ago · 6 km deep · 9 km away
54. 2.117 km W of Volcano, HawaiiTue, May 11, 6:02 AM HST · 20235 days ago · 8 km deep · 15 km away
55. 4.714 km S of Naalehu, HawaiiTue, May 11, 4:00 PM HST · 20235 days ago · 39 km deep · 57 km away
56. 1.816 km WSW of Volcano, HawaiiTue, May 11, 4:08 PM HST · 20235 days ago · 4 km deep · 11 km away
57. 2.017 km N of P?hala, HawaiiWed, May 12, 5:03 AM HST · 20234 days ago · 7 km deep · 19 km away
58. 3.03 km E of P?pa‘ikou, HawaiiWed, May 12, 7:50 AM HST · 20234 days ago · 39 km deep · 50 km away
59. 2.016 km S of Fern Forest, HawaiiWed, May 12, 9:52 AM HST · 20234 days ago · 3 km deep · 18 km away
60. 2.012 km ENE of P?hala, HawaiiWed, May 12, 10:33 PM HST · 20234 days ago · 1 km deep · 18 km away

The first 60 of at least 200.

Before

1. 2.06 km SW of Volcano, HawaiiFri, Apr 30, 10:55 AM HST · 20246 days ago · 14 km deep · 2 km away
2. 2.517 km SE of P?hala, HawaiiFri, Apr 30, 8:38 AM HST · 20246 days ago · 11 km deep · 31 km away
3. 2.020 km NNE of P?hala, HawaiiFri, Apr 30, 7:50 AM HST · 20246 days ago · 9 km deep · 16 km away
4. 2.019 km NNE of P?hala, HawaiiFri, Apr 30, 6:25 AM HST · 20246 days ago · 7 km deep · 14 km away
5. 2.53 km ENE of Captain Cook, HawaiiFri, Apr 30, 5:16 AM HST · 20246 days ago · 11 km deep · 66 km away
6. 2.08 km SW of Volcano, HawaiiFri, Apr 30, 5:10 AM HST · 20246 days ago · 11 km deep · 4 km away
7. 2.013 km S of Fern Forest, HawaiiFri, Apr 30, 1:29 AM HST · 20246 days ago · 6 km deep · 15 km away
8. 2.28 km SSW of Volcano, HawaiiThu, Apr 29, 11:35 PM HST · 20246 days ago · 26 km deep · 1 km away
9. 2.016 km NNE of P?hala, HawaiiThu, Apr 29, 9:44 PM HST · 20247 days ago · 8 km deep · 16 km away
10. 2.216 km NNE of P?hala, HawaiiThu, Apr 29, 9:37 PM HST · 20247 days ago · 8 km deep · 15 km away
11. 2.421 km SSE of P?hala, HawaiiThu, Apr 29, 5:35 PM HST · 20247 days ago · 30 km deep · 39 km away
12. 2.512 km SSE of Naalehu, HawaiiThu, Apr 29, 6:22 AM HST · 20247 days ago · 35 km deep · 54 km away
13. 2.413 km NW of Wai‘?hinu, HawaiiThu, Apr 29, 5:37 AM HST · 20247 days ago · 0 km deep · 49 km away
14. 2.110 km WSW of Volcano, HawaiiThu, Apr 29, 4:10 AM HST · 20247 days ago · 18 km deep · 5 km away
15. 1.911 km S of Volcano, HawaiiThu, Apr 29, 2:39 AM HST · 20247 days ago · 4 km deep · 6 km away
16. 2.36 km SW of Volcano, HawaiiWed, Apr 28, 7:28 PM HST · 20248 days ago · 14 km deep · 2 km away
17. 2.320 km S of Volcano, HawaiiWed, Apr 28, 5:15 PM HST · 20248 days ago · 28 km deep · 13 km away
18. 2.015 km S of Volcano, HawaiiWed, Apr 28, 4:18 PM HST · 20248 days ago · 7 km deep · 10 km away
19. 2.415 km ESE of P?hala, HawaiiWed, Apr 28, 11:40 AM HST · 20248 days ago · 6 km deep · 26 km away
20. 2.515 km ESE of P?hala, HawaiiWed, Apr 28, 10:58 AM HST · 20248 days ago · 8 km deep · 27 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19711079. Read Sun, Oct 4, 2026, 8:54 PM UTC.