M1.8 earthquake 21 km W of Volcano, Hawaii

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Feb 21, 1983, 2:04 PM HST

UTC

1983-02-22 00:04:11 UTC

Depth

7.2 km (4.4 mi), shallow

Epicenter

19.419° N, 155.435° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

53°

Stations used

28

• Volcano, HawaiiPopulation 2,575. Forecast21 kmW
• Hilo, HawaiiPopulation 43,263. Forecast50 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast328 kmSE

After

1. 2.013 km SSE of Volcano, HawaiiTue, Feb 22, 8:13 AM HST · 15931 days ago · 7 km deep · 29 km away
2. 2.215 km SSW of Leilani Estates, HawaiiTue, Feb 22, 9:23 AM HST · 15931 days ago · 6 km deep · 46 km away
3. 2.3Island of Hawaii, HawaiiTue, Feb 22, 11:08 AM HST · 15931 days ago · 5 km deep · 49 km away
4. 2.210 km WNW of P?hala, HawaiiTue, Feb 22, 7:34 PM HST · 15930 days ago · 2 km deep · 25 km away
5. 2.113 km SE of Eden Roc, HawaiiTue, Feb 22, 9:14 PM HST · 15930 days ago · 8 km deep · 43 km away
6. 2.116 km N of P?hala, HawaiiTue, Feb 22, 10:06 PM HST · 15930 days ago · 6 km deep · 10 km away
7. 2.04 km SW of Volcano, HawaiiWed, Feb 23, 9:38 AM HST · 15930 days ago · 14 km deep · 18 km away
8. 2.526 km E of Honaunau-Napoopoo, HawaiiWed, Feb 23, 7:43 PM HST · 15929 days ago · 0 km deep · 19 km away
9. 2.511 km S of Volcano, HawaiiWed, Feb 23, 8:24 PM HST · 15929 days ago · 8 km deep · 25 km away
10. 1.715 km SE of Fern Forest, HawaiiThu, Feb 24, 1:19 PM HST · 15928 days ago · 8 km deep · 42 km away
11. 2.017 km S of Volcano, HawaiiThu, Feb 24, 2:07 PM HST · 15928 days ago · 4 km deep · 27 km away
12. 2.417 km S of Volcano, HawaiiThu, Feb 24, 5:21 PM HST · 15928 days ago · 5 km deep · 27 km away
13. 3.624 km E of Honaunau-Napoopoo, HawaiiThu, Feb 24, 6:49 PM HST · 15928 days ago · -2 km deep · 21 km away
14. 1.914 km SSE of Volcano, HawaiiThu, Feb 24, 10:03 PM HST · 15928 days ago · 4 km deep · 27 km away
15. 2.112 km SSE of Volcano, HawaiiFri, Feb 25, 5:27 AM HST · 15928 days ago · 7 km deep · 28 km away
16. 1.912 km SSE of Volcano, HawaiiFri, Feb 25, 5:29 AM HST · 15928 days ago · 5 km deep · 28 km away
17. 2.013 km SSE of Volcano, HawaiiFri, Feb 25, 5:51 PM HST · 15927 days ago · 7 km deep · 28 km away
18. 2.011 km SSE of Volcano, HawaiiFri, Feb 25, 7:59 PM HST · 15927 days ago · 7 km deep · 27 km away
19. 1.9Island of Hawaii, HawaiiFri, Feb 25, 8:04 PM HST · 15927 days ago · 7 km deep · 28 km away
20. 1.918 km W of Volcano, HawaiiSat, Feb 26, 12:02 AM HST · 15927 days ago · 3 km deep · 3 km away
21. 1.616 km SE of Fern Forest, HawaiiSat, Feb 26, 3:57 AM HST · 15927 days ago · 4 km deep · 42 km away
22. 1.515 km S of Volcano, HawaiiSat, Feb 26, 11:16 AM HST · 15927 days ago · 6 km deep · 23 km away
23. 2.914 km SSE of Volcano, HawaiiSun, Feb 27, 5:13 AM HST · 15926 days ago · 9 km deep · 28 km away
24. 2.110 km S of Volcano, HawaiiSun, Feb 27, 7:47 AM HST · 15926 days ago · 7 km deep · 24 km away
25. 2.211 km SSE of Volcano, HawaiiSun, Feb 27, 8:06 AM HST · 15926 days ago · 9 km deep · 25 km away
26. 1.615 km S of Volcano, HawaiiSun, Feb 27, 10:31 AM HST · 15926 days ago · 5 km deep · 22 km away
27. 1.615 km S of Fern Forest, HawaiiSun, Feb 27, 11:13 PM HST · 15925 days ago · 7 km deep · 33 km away
28. 2.52 km SSE of P?hala, HawaiiMon, Feb 28, 5:00 AM HST · 15925 days ago · 6 km deep · 27 km away
29. 2.715 km S of Fern Forest, HawaiiMon, Feb 28, 6:16 AM HST · 15925 days ago · 8 km deep · 35 km away
30. 2.723 km E of Honaunau-Napoopoo, HawaiiTue, Mar 1, 4:37 AM HST · 15924 days ago · -1 km deep · 22 km away
31. 2.95 km NNW of Kea‘au, HawaiiTue, Mar 1, 2:16 PM HST · 15923 days ago · 0 km deep · 49 km away
32. 2.526 km E of Honaunau-Napoopoo, HawaiiTue, Mar 1, 3:52 PM HST · 15923 days ago · 0 km deep · 20 km away
33. 2.013 km SSE of Volcano, HawaiiTue, Mar 1, 4:54 PM HST · 15923 days ago · 7 km deep · 27 km away
34. 2.523 km E of Honaunau-Napoopoo, HawaiiTue, Mar 1, 5:19 PM HST · 15923 days ago · 0 km deep · 22 km away
35. 2.214 km SSW of Volcano, HawaiiTue, Mar 1, 5:52 PM HST · 15923 days ago · 8 km deep · 20 km away
36. 1.82 km WSW of Ainaloa, HawaiiTue, Mar 1, 8:12 PM HST · 15923 days ago · 50 km deep · 45 km away
37. 2.628 km E of Honaunau-Napoopoo, HawaiiWed, Mar 2, 2:20 AM HST · 15923 days ago · -3 km deep · 17 km away
38. 3.025 km E of Honaunau-Napoopoo, HawaiiWed, Mar 2, 3:38 AM HST · 15923 days ago · -2 km deep · 20 km away
39. 2.214 km SW of Leilani Estates, HawaiiWed, Mar 2, 4:34 AM HST · 15923 days ago · 7 km deep · 46 km away
40. 2.523 km E of Honaunau-Napoopoo, HawaiiWed, Mar 2, 4:44 AM HST · 15923 days ago · 1 km deep · 22 km away
41. 2.810 km W of Kalaoa, HawaiiWed, Mar 2, 1:59 PM HST · 15922 days ago · 26 km deep · 76 km away
42. 3.123 km E of Honaunau-Napoopoo, HawaiiWed, Mar 2, 5:28 PM HST · 15922 days ago · 0 km deep · 22 km away
43. 2.013 km SSE of Volcano, HawaiiWed, Mar 2, 9:30 PM HST · 15922 days ago · 5 km deep · 29 km away
44. 2.29 km SW of Volcano, HawaiiThu, Mar 3, 7:04 AM HST · 15922 days ago · 25 km deep · 16 km away
45. 2.418 km N of P?hala, HawaiiThu, Mar 3, 9:47 AM HST · 15922 days ago · 7 km deep · 8 km away
46. 2.115 km SE of Fern Forest, HawaiiThu, Mar 3, 12:27 PM HST · 15921 days ago · 8 km deep · 42 km away
47. 2.015 km S of Volcano, HawaiiThu, Mar 3, 2:00 PM HST · 15921 days ago · 7 km deep · 26 km away
48. 1.623 km W of Volcano, HawaiiThu, Mar 3, 4:54 PM HST · 15921 days ago · 6 km deep · 3 km away
49. 1.611 km S of Volcano, HawaiiFri, Mar 4, 3:21 AM HST · 15921 days ago · 7 km deep · 25 km away
50. 2.214 km S of Volcano, HawaiiFri, Mar 4, 6:08 AM HST · 15921 days ago · 9 km deep · 22 km away
51. 1.620 km WSW of Volcano, HawaiiFri, Mar 4, 9:12 AM HST · 15921 days ago · 8 km deep · 2 km away
52. 2.116 km SSE of Fern Forest, HawaiiFri, Mar 4, 1:15 PM HST · 15920 days ago · 5 km deep · 39 km away
53. 2.115 km N of P?hala, HawaiiFri, Mar 4, 4:03 PM HST · 15920 days ago · 5 km deep · 11 km away
54. 2.115 km N of P?hala, HawaiiFri, Mar 4, 4:15 PM HST · 15920 days ago · 8 km deep · 11 km away
55. 2.314 km S of Volcano, HawaiiFri, Mar 4, 4:40 PM HST · 15920 days ago · 5 km deep · 26 km away
56. 2.018 km S of Volcano, HawaiiFri, Mar 4, 4:50 PM HST · 15920 days ago · 7 km deep · 25 km away
57. 2.416 km SE of Fern Forest, HawaiiFri, Mar 4, 5:08 PM HST · 15920 days ago · 8 km deep · 42 km away
58. 2.719 km WSW of Volcano, HawaiiFri, Mar 4, 10:20 PM HST · 15920 days ago · 7 km deep · 3 km away
59. 3.515 km SE of Fern Forest, HawaiiFri, Mar 4, 11:27 PM HST · 15920 days ago · 8 km deep · 41 km away
60. 1.916 km SE of Fern Forest, HawaiiFri, Mar 4, 11:35 PM HST · 15920 days ago · 8 km deep · 42 km away

The first 60 of at least 199.

Before

1. 2.916 km WNW of Puako, HawaiiMon, Feb 21, 12:40 PM HST · 15931 days ago · 10 km deep · 89 km away
2. 1.516 km SSE of Fern Forest, HawaiiMon, Feb 21, 3:02 AM HST · 15932 days ago · 6 km deep · 41 km away
3. 2.717 km W of Volcano, HawaiiSun, Feb 20, 5:01 AM HST · 15933 days ago · 5 km deep · 5 km away
4. 1.615 km S of Fern Forest, HawaiiSat, Feb 19, 7:35 PM HST · 15933 days ago · 5 km deep · 33 km away
5. 3.515 km S of Fern Forest, HawaiiSat, Feb 19, 6:05 PM HST · 15933 days ago · 8 km deep · 35 km away
6. 2.018 km WSW of Volcano, HawaiiSat, Feb 19, 2:36 PM HST · 15933 days ago · 11 km deep · 4 km away
7. 2.5Island of Hawaii, HawaiiSat, Feb 19, 12:37 PM HST · 15933 days ago · -1 km deep · 20 km away
8. 2.211 km S of Volcano, HawaiiSat, Feb 19, 6:38 AM HST · 15934 days ago · 8 km deep · 25 km away
9. 1.625 km W of Volcano, HawaiiSat, Feb 19, 1:21 AM HST · 15934 days ago · 6 km deep · 4 km away
10. 2.28 km WNW of P?hala, HawaiiSat, Feb 19, 12:02 AM HST · 15934 days ago · 6 km deep · 23 km away
11. 2.412 km S of Fern Forest, HawaiiFri, Feb 18, 10:41 PM HST · 15934 days ago · 9 km deep · 33 km away
12. 1.913 km SSW of Volcano, HawaiiFri, Feb 18, 10:17 PM HST · 15934 days ago · 6 km deep · 19 km away
13. 2.516 km SW of Leilani Estates, HawaiiFri, Feb 18, 10:11 PM HST · 15934 days ago · 8 km deep · 45 km away
14. 1.715 km S of Volcano, HawaiiThu, Feb 17, 11:37 PM HST · 15935 days ago · 4 km deep · 23 km away
15. 2.222 km ESE of Honaunau-Napoopoo, HawaiiThu, Feb 17, 7:56 PM HST · 15935 days ago · 0 km deep · 23 km away
16. 2.215 km S of Volcano, HawaiiThu, Feb 17, 2:26 AM HST · 15936 days ago · 8 km deep · 26 km away
17. 2.114 km SSE of Fern Forest, HawaiiThu, Feb 17, 1:16 AM HST · 15936 days ago · 6 km deep · 36 km away
18. 2.021 km N of P?hala, HawaiiWed, Feb 16, 8:33 PM HST · 15936 days ago · 9 km deep · 4 km away
19. 2.320 km ENE of Honaunau-Napoopoo, HawaiiWed, Feb 16, 7:47 PM HST · 15936 days ago · 4 km deep · 28 km away
20. 2.415 km S of Fern Forest, HawaiiTue, Feb 15, 7:09 PM HST · 15937 days ago · 8 km deep · 35 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19831210. Read Mon, Oct 5, 2026, 9:34 AM UTC.