M1.9 earthquake 21 km WSW of Volcano, Hawaii

Magnitude

1.9 (ml), micro

Local time

Sat, Feb 18, 1984, 4:00 PM HST

UTC

1984-02-19 02:00:52 UTC

Depth

7.7 km (4.8 mi), shallow

Epicenter

19.402° N, 155.437° 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

±0.02

Depth from

From location

Station coverage gap

39°

Stations used

39

• Volcano, HawaiiPopulation 2,575. Forecast22 kmWSW
• Hilo, HawaiiPopulation 43,263. Forecast51 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast330 kmSE

After

1. 1.722 km E of Honaunau-Napoopoo, HawaiiSun, Feb 19, 12:04 AM HST · 15559 days ago · 4 km deep · 25 km away
2. 2.411 km WSW of Volcano, HawaiiSun, Feb 19, 4:24 AM HST · 15559 days ago · 10 km deep · 10 km away
3. 2.314 km SSE of Eden Roc, HawaiiSun, Feb 19, 10:48 AM HST · 15558 days ago · 8 km deep · 42 km away
4. 1.89 km WSW of Volcano, HawaiiMon, Feb 20, 12:09 AM HST · 15558 days ago · 6 km deep · 12 km away
5. 2.62 km SSE of P?hala, HawaiiMon, Feb 20, 12:12 AM HST · 15558 days ago · 8 km deep · 25 km away
6. 2.53 km S of P?hala, HawaiiMon, Feb 20, 12:13 AM HST · 15558 days ago · 8 km deep · 26 km away
7. 2.0Island of Hawaii, HawaiiMon, Feb 20, 2:00 AM HST · 15558 days ago · 7 km deep · 13 km away
8. 1.518 km N of P?hala, HawaiiMon, Feb 20, 3:44 AM HST · 15558 days ago · 9 km deep · 4 km away
9. 2.126 km W of Volcano, HawaiiMon, Feb 20, 5:40 AM HST · 15558 days ago · 8 km deep · 7 km away
10. 2.121 km WSW of Volcano, HawaiiMon, Feb 20, 8:41 AM HST · 15558 days ago · 9 km deep · 2 km away
11. 1.823 km N of P?hala, HawaiiMon, Feb 20, 1:55 PM HST · 15557 days ago · 6 km deep · 7 km away
12. 2.111 km WSW of Volcano, HawaiiMon, Feb 20, 6:53 PM HST · 15557 days ago · 5 km deep · 11 km away
13. 2.221 km N of P?hala, HawaiiMon, Feb 20, 7:52 PM HST · 15557 days ago · 8 km deep · 8 km away
14. 2.418 km W of Volcano, HawaiiMon, Feb 20, 8:40 PM HST · 15557 days ago · 1 km deep · 8 km away
15. 2.216 km WSW of Volcano, HawaiiMon, Feb 20, 9:06 PM HST · 15557 days ago · 7 km deep · 9 km away
16. 2.013 km NNW of Wai‘?hinu, HawaiiMon, Feb 20, 9:07 PM HST · 15557 days ago · 6 km deep · 32 km away
17. 1.714 km S of Volcano, HawaiiMon, Feb 20, 10:12 PM HST · 15557 days ago · 7 km deep · 25 km away
18. 1.714 km S of Volcano, HawaiiMon, Feb 20, 11:46 PM HST · 15557 days ago · 7 km deep · 22 km away
19. 1.916 km NE of P?hala, HawaiiTue, Feb 21, 4:50 AM HST · 15557 days ago · 9 km deep · 10 km away
20. 2.425 km E of Honaunau-Napoopoo, HawaiiTue, Feb 21, 3:33 PM HST · 15556 days ago · 2 km deep · 20 km away
21. 2.010 km SW of Leilani Estates, HawaiiTue, Feb 21, 4:09 PM HST · 15556 days ago · 8 km deep · 48 km away
22. 1.916 km SE of Fern Forest, HawaiiTue, Feb 21, 5:29 PM HST · 15556 days ago · 6 km deep · 42 km away
23. 1.74 km SW of Volcano, HawaiiTue, Feb 21, 6:08 PM HST · 15556 days ago · 14 km deep · 19 km away
24. 1.524 km N of P?hala, HawaiiTue, Feb 21, 8:18 PM HST · 15556 days ago · 7 km deep · 6 km away
25. 1.920 km WSW of Volcano, HawaiiTue, Feb 21, 10:42 PM HST · 15556 days ago · 10 km deep · 1 km away
26. 1.67 km NNE of P?hala, HawaiiWed, Feb 22, 2:17 AM HST · 15556 days ago · 9 km deep · 16 km away
27. 2.019 km N of P?hala, HawaiiWed, Feb 22, 8:50 AM HST · 15556 days ago · 8 km deep · 3 km away
28. 1.918 km NNE of P?hala, HawaiiWed, Feb 22, 1:38 PM HST · 15555 days ago · 8 km deep · 8 km away
29. 2.020 km NNE of P?hala, HawaiiWed, Feb 22, 2:55 PM HST · 15555 days ago · 10 km deep · 2 km away
30. 1.817 km N of P?hala, HawaiiWed, Feb 22, 7:19 PM HST · 15555 days ago · 8 km deep · 6 km away
31. 1.515 km SSE of Volcano, HawaiiWed, Feb 22, 8:32 PM HST · 15555 days ago · 7 km deep · 30 km away
32. 2.020 km N of P?hala, HawaiiWed, Feb 22, 11:03 PM HST · 15555 days ago · 8 km deep · 2 km away
33. 2.824 km WNW of Volcano, HawaiiThu, Feb 23, 1:18 AM HST · 15555 days ago · 2 km deep · 11 km away
34. 2.616 km S of Volcano, HawaiiThu, Feb 23, 10:44 AM HST · 15554 days ago · 10 km deep · 26 km away
35. 2.112 km S of Volcano, HawaiiThu, Feb 23, 1:54 PM HST · 15554 days ago · 8 km deep · 24 km away
36. 2.121 km N of P?hala, HawaiiThu, Feb 23, 3:11 PM HST · 15554 days ago · 8 km deep · 1 km away
37. 1.9Island of Hawaii, HawaiiThu, Feb 23, 3:28 PM HST · 15554 days ago · 9 km deep · 17 km away
38. 3.223 km N of P?hala, HawaiiThu, Feb 23, 8:59 PM HST · 15554 days ago · 9 km deep · 7 km away
39. 1.821 km N of P?hala, HawaiiFri, Feb 24, 8:35 AM HST · 15554 days ago · 9 km deep · 1 km away
40. 1.714 km SSE of Volcano, HawaiiFri, Feb 24, 1:51 PM HST · 15553 days ago · 6 km deep · 29 km away
41. 2.011 km WSW of Volcano, HawaiiFri, Feb 24, 8:07 PM HST · 15553 days ago · 10 km deep · 10 km away
42. 1.611 km S of Volcano, HawaiiSat, Feb 25, 1:33 AM HST · 15553 days ago · 6 km deep · 24 km away
43. 2.323 km WNW of Volcano, HawaiiSat, Feb 25, 5:05 AM HST · 15553 days ago · 3 km deep · 10 km away
44. 2.411 km S of Volcano, HawaiiSat, Feb 25, 6:07 AM HST · 15553 days ago · 8 km deep · 24 km away
45. 1.912 km N of P?hala, HawaiiSat, Feb 25, 6:43 AM HST · 15553 days ago · 8 km deep · 10 km away
46. 2.416 km SE of Fern Forest, HawaiiSat, Feb 25, 11:15 AM HST · 15552 days ago · 7 km deep · 43 km away
47. 1.912 km WSW of Volcano, HawaiiSat, Feb 25, 12:02 PM HST · 15552 days ago · 10 km deep · 10 km away
48. 2.210 km WSW of Volcano, HawaiiSat, Feb 25, 6:44 PM HST · 15552 days ago · 4 km deep · 12 km away
49. 1.717 km S of Volcano, HawaiiSat, Feb 25, 7:00 PM HST · 15552 days ago · 5 km deep · 27 km away
50. 2.525 km E of Honaunau-Napoopoo, HawaiiSat, Feb 25, 11:25 PM HST · 15552 days ago · -2 km deep · 19 km away
51. 1.814 km S of Volcano, HawaiiSun, Feb 26, 6:00 AM HST · 15552 days ago · 6 km deep · 25 km away
52. 1.912 km WSW of Volcano, HawaiiSun, Feb 26, 8:17 AM HST · 15552 days ago · 7 km deep · 10 km away
53. 2.026 km WNW of Volcano, HawaiiSun, Feb 26, 10:40 AM HST · 15551 days ago · 1 km deep · 12 km away
54. 2.217 km W of Volcano, HawaiiSun, Feb 26, 12:06 PM HST · 15551 days ago · 10 km deep · 7 km away
55. 1.514 km S of Fern Forest, HawaiiSun, Feb 26, 1:41 PM HST · 15551 days ago · 7 km deep · 33 km away
56. 2.420 km W of Volcano, HawaiiSun, Feb 26, 2:03 PM HST · 15551 days ago · 4 km deep · 6 km away
57. 1.6Island of Hawaii, HawaiiSun, Feb 26, 5:37 PM HST · 15551 days ago · 4 km deep · 6 km away
58. 2.223 km N of P?hala, HawaiiMon, Feb 27, 3:55 AM HST · 15551 days ago · 9 km deep · 7 km away
59. 2.113 km WSW of Volcano, HawaiiMon, Feb 27, 12:22 PM HST · 15550 days ago · 10 km deep · 10 km away
60. 1.713 km S of Volcano, HawaiiMon, Feb 27, 6:42 PM HST · 15550 days ago · 7 km deep · 22 km away

The first 60 of at least 202.

Before

1. 2.518 km N of P?hala, HawaiiSat, Feb 18, 5:51 AM HST · 15560 days ago · 9 km deep · 5 km away
2. 1.518 km NNE of P?hala, HawaiiSat, Feb 18, 12:47 AM HST · 15560 days ago · 10 km deep · 8 km away
3. 1.714 km S of Volcano, HawaiiFri, Feb 17, 9:51 PM HST · 15560 days ago · 6 km deep · 25 km away
4. 1.95 km ENE of Honaunau-Napoopoo, HawaiiFri, Feb 17, 10:28 AM HST · 15561 days ago · 6 km deep · 40 km away
5. 1.519 km N of P?hala, HawaiiFri, Feb 17, 8:38 AM HST · 15561 days ago · 7 km deep · 7 km away
6. 3.2Island of Hawaii, HawaiiFri, Feb 17, 2:45 AM HST · 15561 days ago · 8 km deep · 38 km away
7. 2.019 km W of Volcano, HawaiiFri, Feb 17, 12:26 AM HST · 15561 days ago · 5 km deep · 2 km away
8. 3.222 km W of Volcano, HawaiiThu, Feb 16, 6:52 AM HST · 15562 days ago · 10 km deep · 9 km away
9. 2.016 km W of Volcano, HawaiiWed, Feb 15, 11:35 PM HST · 15562 days ago · 10 km deep · 6 km away
10. 1.929 km E of Honaunau-Napoopoo, HawaiiWed, Feb 15, 10:11 PM HST · 15562 days ago · -1 km deep · 19 km away
11. 2.018 km NNW of Wai‘?hinu, HawaiiWed, Feb 15, 8:24 PM HST · 15562 days ago · 5 km deep · 29 km away
12. 1.96 km SSW of Volcano, HawaiiWed, Feb 15, 4:04 PM HST · 15562 days ago · 2 km deep · 18 km away
13. 3.621 km N of P?hala, HawaiiWed, Feb 15, 7:22 AM HST · 15563 days ago · 10 km deep · 2 km away
14. 2.412 km W of Volcano, HawaiiTue, Feb 14, 10:57 PM HST · 15563 days ago · 8 km deep · 9 km away
15. 2.09 km WSW of Volcano, HawaiiTue, Feb 14, 7:56 PM HST · 15563 days ago · 4 km deep · 13 km away
16. 2.515 km SE of Fern Forest, HawaiiTue, Feb 14, 5:53 PM HST · 15563 days ago · 7 km deep · 41 km away
17. 2.46 km ESE of Honaunau-Napoopoo, HawaiiTue, Feb 14, 1:22 PM HST · 15563 days ago · 10 km deep · 39 km away
18. 1.812 km S of Volcano, HawaiiTue, Feb 14, 3:55 AM HST · 15564 days ago · 5 km deep · 24 km away
19. 1.6Island of Hawaii, HawaiiTue, Feb 14, 3:53 AM HST · 15564 days ago · 6 km deep · 36 km away
20. 1.813 km SSE of Volcano, HawaiiTue, Feb 14, 3:08 AM HST · 15564 days ago · 5 km deep · 27 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19840407. Read Fri, Sep 25, 2026, 8:03 AM UTC.