M2.0 earthquake 8 km SW of Volcano, Hawaii

Magnitude

2.0 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Fri, Apr 23, 1971, 2:08 AM HST

UTC

1971-04-23 12:08:48 UTC

Depth

15.1 km (9.4 mi), shallow

Epicenter

19.390° N, 155.291° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 1.4 km in depth

Depth from

From location

Station coverage gap

83°

Stations used

12

• Volcano, HawaiiPopulation 2,575. Forecast8 kmSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast40 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast342 kmSE

After

1. 1.913 km S of Volcano, HawaiiFri, Apr 23, 3:09 AM HST · 20252 days ago · 6 km deep · 9 km away
2. 2.219 km N of P?hala, HawaiiFri, Apr 23, 4:23 PM HST · 20252 days ago · 4 km deep · 20 km away
3. 2.419 km WSW of Volcano, HawaiiFri, Apr 23, 5:25 PM HST · 20252 days ago · 9 km deep · 13 km away
4. 2.015 km S of Fern Forest, HawaiiSat, Apr 24, 5:13 AM HST · 20251 days ago · 8 km deep · 18 km away
5. 2.310 km N of Volcano, HawaiiSat, Apr 24, 1:05 PM HST · 20251 days ago · 4 km deep · 17 km away
6. 2.58 km S of Volcano, HawaiiSat, Apr 24, 8:09 PM HST · 20251 days ago · 28 km deep · 5 km away
7. 2.714 km S of Fern Forest, HawaiiSat, Apr 24, 9:42 PM HST · 20250 days ago · 5 km deep · 19 km away
8. 2.016 km NNE of P?hala, HawaiiSat, Apr 24, 10:02 PM HST · 20250 days ago · 6 km deep · 14 km away
9. 1.919 km NNE of P?hala, HawaiiSat, Apr 24, 11:49 PM HST · 20250 days ago · 3 km deep · 13 km away
10. 1.98 km SSW of Volcano, HawaiiSun, Apr 25, 12:29 AM HST · 20250 days ago · 11 km deep · 4 km away
11. 2.012 km SSE of Volcano, HawaiiSun, Apr 25, 4:19 AM HST · 20250 days ago · 8 km deep · 11 km away
12. 4.08 km SSW of Volcano, HawaiiSun, Apr 25, 8:03 AM HST · 20250 days ago · 10 km deep · 4 km away
13. 2.112 km E of P?hala, HawaiiSun, Apr 25, 4:27 PM HST · 20250 days ago · 4 km deep · 24 km away
14. 2.2Island of Hawaii, HawaiiSun, Apr 25, 7:59 PM HST · 20250 days ago · 6 km deep · 13 km away
15. 2.38 km SSW of Volcano, HawaiiSun, Apr 25, 8:10 PM HST · 20250 days ago · 33 km deep · 2 km away
16. 1.76 km WSW of Volcano, HawaiiSun, Apr 25, 8:50 PM HST · 20250 days ago · 2 km deep · 3 km away
17. 2.217 km W of Volcano, HawaiiSun, Apr 25, 11:37 PM HST · 20249 days ago · 6 km deep · 14 km away
18. 1.816 km W of Volcano, HawaiiSun, Apr 25, 11:39 PM HST · 20249 days ago · 2 km deep · 13 km away
19. 4.57 km SSW of Volcano, HawaiiSun, Apr 25, 11:56 PM HST · 20249 days ago · 23 km deep · 3 km away
20. 2.74 km SW of Volcano, HawaiiMon, Apr 26, 12:23 AM HST · 20249 days ago · 24 km deep · 4 km away
21. 2.64 km SW of Volcano, HawaiiMon, Apr 26, 1:08 AM HST · 20249 days ago · 26 km deep · 4 km away
22. 2.76 km SW of Volcano, HawaiiMon, Apr 26, 4:40 AM HST · 20249 days ago · 30 km deep · 2 km away
23. 1.98 km SSW of Volcano, HawaiiMon, Apr 26, 10:42 AM HST · 20249 days ago · 10 km deep · 5 km away
24. 1.97 km SSW of Volcano, HawaiiMon, Apr 26, 12:21 PM HST · 20249 days ago · 10 km deep · 3 km away
25. 1.65 km SSW of Volcano, HawaiiMon, Apr 26, 1:58 PM HST · 20249 days ago · 2 km deep · 4 km away
26. 2.28 km SSW of Volcano, HawaiiMon, Apr 26, 2:38 PM HST · 20249 days ago · 27 km deep · 3 km away
27. 1.98 km SSW of Volcano, HawaiiMon, Apr 26, 4:34 PM HST · 20249 days ago · 9 km deep · 5 km away
28. 2.413 km N of Wai‘?hinu, HawaiiTue, Apr 27, 2:16 AM HST · 20248 days ago · 4 km deep · 41 km away
29. 1.87 km WSW of Volcano, HawaiiTue, Apr 27, 4:13 AM HST · 20248 days ago · 9 km deep · 2 km away
30. 1.64 km SSW of Volcano, HawaiiTue, Apr 27, 4:52 AM HST · 20248 days ago · 4 km deep · 4 km away
31. 1.912 km S of Volcano, HawaiiTue, Apr 27, 4:52 AM HST · 20248 days ago · 7 km deep · 9 km away
32. 2.09 km SSW of Volcano, HawaiiTue, Apr 27, 4:59 AM HST · 20248 days ago · 13 km deep · 4 km away
33. 2.05 km SW of Volcano, HawaiiTue, Apr 27, 5:20 AM HST · 20248 days ago · 15 km deep · 3 km away
34. 1.87 km SW of Volcano, HawaiiTue, Apr 27, 5:32 AM HST · 20248 days ago · 9 km deep · 1 km away
35. 1.77 km SW of Volcano, HawaiiTue, Apr 27, 5:42 AM HST · 20248 days ago · 6 km deep · 1 km away
36. 2.912 km NW of Puako, HawaiiTue, Apr 27, 5:49 AM HST · 20248 days ago · 2 km deep · 98 km away
37. 1.913 km SSW of Volcano, HawaiiTue, Apr 27, 7:22 AM HST · 20248 days ago · 4 km deep · 8 km away
38. 2.513 km S of Honaunau-Napoopoo, HawaiiTue, Apr 27, 4:37 PM HST · 20248 days ago · 4 km deep · 61 km away
39. 2.319 km SSW of Volcano, HawaiiTue, Apr 27, 4:54 PM HST · 20248 days ago · 26 km deep · 13 km away
40. 2.06 km SW of Volcano, HawaiiTue, Apr 27, 10:55 PM HST · 20247 days ago · 14 km deep · 2 km away
41. 2.426 km SSW of Laup?hoehoe, HawaiiTue, Apr 27, 11:55 PM HST · 20247 days ago · 30 km deep · 43 km away
42. 2.015 km ENE of P?hala, HawaiiWed, Apr 28, 12:49 AM HST · 20247 days ago · 1 km deep · 18 km away
43. 2.510 km ESE of P?hala, HawaiiWed, Apr 28, 3:00 AM HST · 20247 days ago · 6 km deep · 26 km away
44. 2.414 km ESE of P?hala, HawaiiWed, Apr 28, 8:09 AM HST · 20247 days ago · 8 km deep · 28 km away
45. 2.218 km ESE of P?hala, HawaiiWed, Apr 28, 8:17 AM HST · 20247 days ago · 9 km deep · 29 km away
46. 2.515 km ESE of P?hala, HawaiiWed, Apr 28, 10:58 AM HST · 20247 days ago · 8 km deep · 28 km away
47. 2.415 km ESE of P?hala, HawaiiWed, Apr 28, 11:40 AM HST · 20247 days ago · 6 km deep · 27 km away
48. 2.015 km S of Volcano, HawaiiWed, Apr 28, 4:18 PM HST · 20247 days ago · 7 km deep · 12 km away
49. 2.320 km S of Volcano, HawaiiWed, Apr 28, 5:15 PM HST · 20247 days ago · 28 km deep · 14 km away
50. 2.36 km SW of Volcano, HawaiiWed, Apr 28, 7:28 PM HST · 20247 days ago · 14 km deep · 2 km away
51. 1.911 km S of Volcano, HawaiiThu, Apr 29, 2:39 AM HST · 20246 days ago · 4 km deep · 8 km away
52. 2.110 km WSW of Volcano, HawaiiThu, Apr 29, 4:10 AM HST · 20246 days ago · 18 km deep · 3 km away
53. 2.413 km NW of Wai‘?hinu, HawaiiThu, Apr 29, 5:37 AM HST · 20246 days ago · 0 km deep · 48 km away
54. 2.512 km SSE of Naalehu, HawaiiThu, Apr 29, 6:22 AM HST · 20246 days ago · 35 km deep · 54 km away
55. 2.421 km SSE of P?hala, HawaiiThu, Apr 29, 5:35 PM HST · 20246 days ago · 30 km deep · 40 km away
56. 2.216 km NNE of P?hala, HawaiiThu, Apr 29, 9:37 PM HST · 20245 days ago · 8 km deep · 14 km away
57. 2.016 km NNE of P?hala, HawaiiThu, Apr 29, 9:44 PM HST · 20245 days ago · 8 km deep · 15 km away
58. 2.28 km SSW of Volcano, HawaiiThu, Apr 29, 11:35 PM HST · 20245 days ago · 26 km deep · 3 km away
59. 2.013 km S of Fern Forest, HawaiiFri, Apr 30, 1:29 AM HST · 20245 days ago · 6 km deep · 17 km away
60. 2.08 km SW of Volcano, HawaiiFri, Apr 30, 5:10 AM HST · 20245 days ago · 11 km deep · 1 km away

The first 60 of at least 200.

Before

1. 2.120 km N of P?hala, HawaiiThu, Apr 22, 3:41 PM HST · 20253 days ago · -1 km deep · 16 km away
2. 2.113 km S of Fern Forest, HawaiiWed, Apr 21, 11:35 PM HST · 20253 days ago · 1 km deep · 17 km away
3. 2.68 km SW of Volcano, HawaiiWed, Apr 21, 1:00 PM HST · 20254 days ago · 45 km deep · 2 km away
4. 2.219 km S of Fern Forest, HawaiiWed, Apr 21, 11:43 AM HST · 20254 days ago · 14 km deep · 23 km away
5. 2.015 km S of Fern Forest, HawaiiWed, Apr 21, 10:47 AM HST · 20254 days ago · 5 km deep · 17 km away
6. 2.27 km S of P?hala, HawaiiWed, Apr 21, 6:29 AM HST · 20254 days ago · 13 km deep · 34 km away
7. 2.012 km SSE of Volcano, HawaiiWed, Apr 21, 2:40 AM HST · 20254 days ago · 7 km deep · 11 km away
8. 2.1Island of Hawaii, HawaiiWed, Apr 21, 12:35 AM HST · 20254 days ago · 4 km deep · 20 km away
9. 2.52 km WNW of P?hala, HawaiiWed, Apr 21, 12:24 AM HST · 20254 days ago · -1 km deep · 30 km away
10. 2.26 km S of P?hala, HawaiiWed, Apr 21, 12:14 AM HST · 20254 days ago · 12 km deep · 33 km away
11. 3.55 km SE of P?hala, HawaiiWed, Apr 21, 12:06 AM HST · 20254 days ago · 8 km deep · 29 km away
12. 1.98 km SSE of Volcano, HawaiiTue, Apr 20, 7:56 AM HST · 20255 days ago · 6 km deep · 9 km away
13. 2.35 km WSW of Volcano, HawaiiTue, Apr 20, 6:52 AM HST · 20255 days ago · 16 km deep · 4 km away
14. 2.413 km S of Fern Forest, HawaiiTue, Apr 20, 3:20 AM HST · 20255 days ago · 7 km deep · 19 km away
15. 2.714 km W of Volcano, HawaiiMon, Apr 19, 8:19 PM HST · 20256 days ago · 4 km deep · 9 km away
16. 2.521 km W of Volcano, HawaiiMon, Apr 19, 6:41 PM HST · 20256 days ago · 7 km deep · 15 km away
17. 2.813 km SW of Volcano, HawaiiMon, Apr 19, 9:33 AM HST · 20256 days ago · 33 km deep · 5 km away
18. 2.6Island of Hawaii, HawaiiMon, Apr 19, 3:27 AM HST · 20256 days ago · -1 km deep · 20 km away
19. 2.412 km SSE of Volcano, HawaiiSun, Apr 18, 12:54 PM HST · 20257 days ago · 0 km deep · 13 km away
20. 2.012 km S of Volcano, HawaiiSun, Apr 18, 3:54 AM HST · 20257 days ago · 9 km deep · 10 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19710962. Read Sat, Oct 3, 2026, 6:42 PM UTC.