M2.4 earthquake 12 km SSE of Volcano, Hawaii

Magnitude

2.4 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sun, Apr 18, 1971, 12:54 PM HST

UTC

1971-04-18 22:54:03 UTC

Depth

0.2 km (0.1 mi), shallow

Epicenter

19.344° N, 155.176° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.01

Depth from

From location

Station coverage gap

139°

Stations used

7

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

After

1. 2.6Island of Hawaii, HawaiiMon, Apr 19, 3:27 AM HST · 20257 days ago · -1 km deep · 8 km away
2. 2.813 km SW of Volcano, HawaiiMon, Apr 19, 9:33 AM HST · 20257 days ago · 33 km deep · 14 km away
3. 2.521 km W of Volcano, HawaiiMon, Apr 19, 6:41 PM HST · 20256 days ago · 7 km deep · 28 km away
4. 2.714 km W of Volcano, HawaiiMon, Apr 19, 8:19 PM HST · 20256 days ago · 4 km deep · 22 km away
5. 2.413 km S of Fern Forest, HawaiiTue, Apr 20, 3:20 AM HST · 20256 days ago · 7 km deep · 7 km away
6. 2.35 km WSW of Volcano, HawaiiTue, Apr 20, 6:52 AM HST · 20256 days ago · 16 km deep · 14 km away
7. 1.98 km SSE of Volcano, HawaiiTue, Apr 20, 7:56 AM HST · 20256 days ago · 6 km deep · 4 km away
8. 3.55 km SE of P?hala, HawaiiWed, Apr 21, 12:06 AM HST · 20255 days ago · 8 km deep · 33 km away
9. 2.26 km S of P?hala, HawaiiWed, Apr 21, 12:14 AM HST · 20255 days ago · 12 km deep · 38 km away
10. 2.52 km WNW of P?hala, HawaiiWed, Apr 21, 12:24 AM HST · 20255 days ago · -1 km deep · 37 km away
11. 2.1Island of Hawaii, HawaiiWed, Apr 21, 12:35 AM HST · 20255 days ago · 4 km deep · 26 km away
12. 2.012 km SSE of Volcano, HawaiiWed, Apr 21, 2:40 AM HST · 20255 days ago · 7 km deep · 3 km away
13. 2.27 km S of P?hala, HawaiiWed, Apr 21, 6:29 AM HST · 20255 days ago · 13 km deep · 39 km away
14. 2.015 km S of Fern Forest, HawaiiWed, Apr 21, 10:47 AM HST · 20255 days ago · 5 km deep · 4 km away
15. 2.219 km S of Fern Forest, HawaiiWed, Apr 21, 11:43 AM HST · 20255 days ago · 14 km deep · 10 km away
16. 2.68 km SW of Volcano, HawaiiWed, Apr 21, 1:00 PM HST · 20255 days ago · 45 km deep · 12 km away
17. 2.113 km S of Fern Forest, HawaiiWed, Apr 21, 11:35 PM HST · 20254 days ago · 1 km deep · 4 km away
18. 2.120 km N of P?hala, HawaiiThu, Apr 22, 3:41 PM HST · 20253 days ago · -1 km deep · 28 km away
19. 2.08 km SW of Volcano, HawaiiFri, Apr 23, 2:08 AM HST · 20253 days ago · 15 km deep · 13 km away
20. 1.913 km S of Volcano, HawaiiFri, Apr 23, 3:09 AM HST · 20253 days ago · 6 km deep · 8 km away
21. 2.219 km N of P?hala, HawaiiFri, Apr 23, 4:23 PM HST · 20252 days ago · 4 km deep · 32 km away
22. 2.419 km WSW of Volcano, HawaiiFri, Apr 23, 5:25 PM HST · 20252 days ago · 9 km deep · 26 km away
23. 2.015 km S of Fern Forest, HawaiiSat, Apr 24, 5:13 AM HST · 20252 days ago · 8 km deep · 4 km away
24. 2.310 km N of Volcano, HawaiiSat, Apr 24, 1:05 PM HST · 20252 days ago · 4 km deep · 23 km away
25. 2.58 km S of Volcano, HawaiiSat, Apr 24, 8:09 PM HST · 20251 days ago · 28 km deep · 8 km away
26. 2.714 km S of Fern Forest, HawaiiSat, Apr 24, 9:42 PM HST · 20251 days ago · 5 km deep · 6 km away
27. 2.016 km NNE of P?hala, HawaiiSat, Apr 24, 10:02 PM HST · 20251 days ago · 6 km deep · 25 km away
28. 1.919 km NNE of P?hala, HawaiiSat, Apr 24, 11:49 PM HST · 20251 days ago · 3 km deep · 25 km away
29. 1.98 km SSW of Volcano, HawaiiSun, Apr 25, 12:29 AM HST · 20251 days ago · 11 km deep · 10 km away
30. 2.012 km SSE of Volcano, HawaiiSun, Apr 25, 4:19 AM HST · 20251 days ago · 8 km deep · 4 km away
31. 4.08 km SSW of Volcano, HawaiiSun, Apr 25, 8:03 AM HST · 20251 days ago · 10 km deep · 9 km away
32. 2.112 km E of P?hala, HawaiiSun, Apr 25, 4:27 PM HST · 20250 days ago · 4 km deep · 26 km away
33. 2.2Island of Hawaii, HawaiiSun, Apr 25, 7:59 PM HST · 20250 days ago · 6 km deep · 26 km away
34. 2.38 km SSW of Volcano, HawaiiSun, Apr 25, 8:10 PM HST · 20250 days ago · 33 km deep · 11 km away
35. 1.76 km WSW of Volcano, HawaiiSun, Apr 25, 8:50 PM HST · 20250 days ago · 2 km deep · 14 km away
36. 2.217 km W of Volcano, HawaiiSun, Apr 25, 11:37 PM HST · 20250 days ago · 6 km deep · 27 km away
37. 1.816 km W of Volcano, HawaiiSun, Apr 25, 11:39 PM HST · 20250 days ago · 2 km deep · 26 km away
38. 4.57 km SSW of Volcano, HawaiiSun, Apr 25, 11:56 PM HST · 20250 days ago · 23 km deep · 10 km away
39. 2.74 km SW of Volcano, HawaiiMon, Apr 26, 12:23 AM HST · 20250 days ago · 24 km deep · 12 km away
40. 2.64 km SW of Volcano, HawaiiMon, Apr 26, 1:08 AM HST · 20250 days ago · 26 km deep · 11 km away
41. 2.76 km SW of Volcano, HawaiiMon, Apr 26, 4:40 AM HST · 20250 days ago · 30 km deep · 11 km away
42. 1.98 km SSW of Volcano, HawaiiMon, Apr 26, 10:42 AM HST · 20250 days ago · 10 km deep · 9 km away
43. 1.97 km SSW of Volcano, HawaiiMon, Apr 26, 12:21 PM HST · 20250 days ago · 10 km deep · 10 km away
44. 1.65 km SSW of Volcano, HawaiiMon, Apr 26, 1:58 PM HST · 20250 days ago · 2 km deep · 10 km away
45. 2.28 km SSW of Volcano, HawaiiMon, Apr 26, 2:38 PM HST · 20250 days ago · 27 km deep · 10 km away
46. 1.98 km SSW of Volcano, HawaiiMon, Apr 26, 4:34 PM HST · 20249 days ago · 9 km deep · 9 km away
47. 2.413 km N of Wai‘?hinu, HawaiiTue, Apr 27, 2:16 AM HST · 20249 days ago · 4 km deep · 50 km away
48. 1.87 km WSW of Volcano, HawaiiTue, Apr 27, 4:13 AM HST · 20249 days ago · 9 km deep · 15 km away
49. 1.64 km SSW of Volcano, HawaiiTue, Apr 27, 4:52 AM HST · 20249 days ago · 4 km deep · 11 km away
50. 1.912 km S of Volcano, HawaiiTue, Apr 27, 4:52 AM HST · 20249 days ago · 7 km deep · 6 km away
51. 2.09 km SSW of Volcano, HawaiiTue, Apr 27, 4:59 AM HST · 20249 days ago · 13 km deep · 10 km away
52. 2.05 km SW of Volcano, HawaiiTue, Apr 27, 5:20 AM HST · 20249 days ago · 15 km deep · 13 km away
53. 1.87 km SW of Volcano, HawaiiTue, Apr 27, 5:32 AM HST · 20249 days ago · 9 km deep · 14 km away
54. 1.77 km SW of Volcano, HawaiiTue, Apr 27, 5:42 AM HST · 20249 days ago · 6 km deep · 12 km away
55. 1.913 km SSW of Volcano, HawaiiTue, Apr 27, 7:22 AM HST · 20249 days ago · 4 km deep · 10 km away
56. 2.513 km S of Honaunau-Napoopoo, HawaiiTue, Apr 27, 4:37 PM HST · 20248 days ago · 4 km deep · 73 km away
57. 2.319 km SSW of Volcano, HawaiiTue, Apr 27, 4:54 PM HST · 20248 days ago · 26 km deep · 13 km away
58. 2.06 km SW of Volcano, HawaiiTue, Apr 27, 10:55 PM HST · 20248 days ago · 14 km deep · 12 km away
59. 2.426 km SSW of Laup?hoehoe, HawaiiTue, Apr 27, 11:55 PM HST · 20248 days ago · 30 km deep · 51 km away
60. 2.015 km ENE of P?hala, HawaiiWed, Apr 28, 12:49 AM HST · 20248 days ago · 1 km deep · 21 km away

The first 60 of at least 200.

Before

1. 2.012 km S of Volcano, HawaiiSun, Apr 18, 3:54 AM HST · 20258 days ago · 9 km deep · 4 km away
2. 2.63 km S of Captain Cook, HawaiiSat, Apr 17, 2:39 PM HST · 20259 days ago · 29 km deep · 80 km away
3. 2.311 km SSW of Volcano, HawaiiSat, Apr 17, 9:50 AM HST · 20259 days ago · 29 km deep · 12 km away
4. 3.260 km SE of P?hala, HawaiiSat, Apr 17, 1:08 AM HST · 20259 days ago · 32 km deep · 57 km away
5. 2.58 km SSW of Honoka‘a, HawaiiFri, Apr 16, 7:46 PM HST · 20259 days ago · 21 km deep · 83 km away
6. 2.65 km N of Wai‘?hinu, HawaiiFri, Apr 16, 6:01 PM HST · 20259 days ago · 4 km deep · 53 km away
7. 2.28 km SW of Volcano, HawaiiFri, Apr 16, 4:14 PM HST · 20259 days ago · 15 km deep · 14 km away
8. 2.113 km SSE of Volcano, HawaiiThu, Apr 15, 7:18 PM HST · 20260 days ago · 9 km deep · 3 km away
9. 2.423 km N of P?hala, HawaiiThu, Apr 15, 1:32 PM HST · 20261 days ago · 10 km deep · 35 km away
10. 2.622 km N of P?hala, HawaiiThu, Apr 15, 12:05 PM HST · 20261 days ago · 7 km deep · 34 km away
11. 2.322 km N of P?hala, HawaiiThu, Apr 15, 11:56 AM HST · 20261 days ago · 7 km deep · 33 km away
12. 3.19 km N of Wai‘?hinu, HawaiiWed, Apr 14, 10:02 AM HST · 20262 days ago · 11 km deep · 50 km away
13. 2.015 km NNE of P?hala, HawaiiWed, Apr 14, 3:42 AM HST · 20262 days ago · 7 km deep · 27 km away
14. 2.05 km SW of Volcano, HawaiiWed, Apr 14, 1:48 AM HST · 20262 days ago · 16 km deep · 13 km away
15. 2.225 km N of P?hala, HawaiiWed, Apr 14, 12:34 AM HST · 20262 days ago · 0 km deep · 33 km away
16. 1.915 km S of Volcano, HawaiiTue, Apr 13, 5:47 PM HST · 20262 days ago · 5 km deep · 9 km away
17. 2.014 km SSE of Volcano, HawaiiTue, Apr 13, 10:57 AM HST · 20263 days ago · 7 km deep · 2 km away
18. 2.115 km SSE of Fern Forest, HawaiiMon, Apr 12, 10:25 PM HST · 20263 days ago · 8 km deep · 8 km away
19. 2.315 km N of P?hala, HawaiiMon, Apr 12, 6:24 PM HST · 20263 days ago · 5 km deep · 30 km away
20. 2.912 km SSE of Volcano, HawaiiMon, Apr 12, 5:43 PM HST · 20263 days ago · 9 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19710941. Read Sun, Oct 4, 2026, 12:42 PM UTC.