M1.9 earthquake 20 km WSW of Volcano, Hawaii

Magnitude

1.9 (ml), micro

Local time

Mon, Jul 23, 1979, 1:09 AM HST

UTC

1979-07-23 11:09:19 UTC

Depth

3.7 km (2.3 mi), shallow

Epicenter

19.395° N, 155.425° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 2.4 km in depth

Magnitude uncertainty

±0.01

Depth from

From location

Station coverage gap

85°

Stations used

16

• Volcano, HawaiiPopulation 2,575. Forecast21 kmWSW
• Hilo, HawaiiPopulation 43,263. Forecast51 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast331 kmSE

After

1. 2.115 km S of Fern Forest, HawaiiMon, Jul 23, 2:31 AM HST · 17236 days ago · 8 km deep · 32 km away
2. 2.615 km S of Fern Forest, HawaiiMon, Jul 23, 2:46 AM HST · 17236 days ago · 9 km deep · 31 km away
3. 1.918 km W of Volcano, HawaiiMon, Jul 23, 2:19 PM HST · 17235 days ago · 4 km deep · 4 km away
4. 2.013 km SSE of Volcano, HawaiiMon, Jul 23, 2:29 PM HST · 17235 days ago · 6 km deep · 26 km away
5. 1.915 km S of Volcano, HawaiiTue, Jul 24, 1:28 AM HST · 17235 days ago · 7 km deep · 20 km away
6. 1.614 km S of Fern Forest, HawaiiTue, Jul 24, 6:29 AM HST · 17235 days ago · 5 km deep · 30 km away
7. 1.66 km SSW of Volcano, HawaiiTue, Jul 24, 9:36 AM HST · 17234 days ago · 1 km deep · 17 km away
8. 2.414 km SSE of Fern Forest, HawaiiTue, Jul 24, 1:35 PM HST · 17234 days ago · 8 km deep · 39 km away
9. 2.912 km SSE of Fern Forest, HawaiiTue, Jul 24, 5:21 PM HST · 17234 days ago · 7 km deep · 33 km away
10. 3.815 km S of Fern Forest, HawaiiTue, Jul 24, 6:07 PM HST · 17234 days ago · 9 km deep · 31 km away
11. 2.014 km S of Fern Forest, HawaiiTue, Jul 24, 6:13 PM HST · 17234 days ago · 6 km deep · 31 km away
12. 2.611 km S of Volcano, HawaiiTue, Jul 24, 6:14 PM HST · 17234 days ago · 8 km deep · 23 km away
13. 2.115 km SSE of Fern Forest, HawaiiTue, Jul 24, 6:54 PM HST · 17234 days ago · 6 km deep · 39 km away
14. 2.35 km ESE of Nanawale Estates, HawaiiTue, Jul 24, 6:58 PM HST · 17234 days ago · 4 km deep · 59 km away
15. 2.97 km SW of Volcano, HawaiiWed, Jul 25, 3:23 AM HST · 17234 days ago · 2 km deep · 15 km away
16. 2.05 km SSW of Volcano, HawaiiWed, Jul 25, 4:49 AM HST · 17234 days ago · 2 km deep · 17 km away
17. 2.017 km SE of Fern Forest, HawaiiWed, Jul 25, 5:08 AM HST · 17234 days ago · 6 km deep · 40 km away
18. 2.023 km S of Volcano, HawaiiWed, Jul 25, 11:04 AM HST · 17233 days ago · 2 km deep · 25 km away
19. 1.921 km W of Volcano, HawaiiWed, Jul 25, 12:27 PM HST · 17233 days ago · 4 km deep · 2 km away
20. 2.021 km W of Volcano, HawaiiWed, Jul 25, 1:24 PM HST · 17233 days ago · 7 km deep · 2 km away
21. 2.17 km SW of Volcano, HawaiiWed, Jul 25, 1:53 PM HST · 17233 days ago · 2 km deep · 15 km away
22. 1.812 km SSW of Leilani Estates, HawaiiWed, Jul 25, 8:51 PM HST · 17233 days ago · 6 km deep · 46 km away
23. 2.214 km SSE of Volcano, HawaiiThu, Jul 26, 12:06 AM HST · 17233 days ago · 8 km deep · 27 km away
24. 2.422 km N of P?hala, HawaiiThu, Jul 26, 1:27 AM HST · 17233 days ago · 8 km deep · 9 km away
25. 1.75 km SSW of Volcano, HawaiiThu, Jul 26, 2:29 AM HST · 17233 days ago · 2 km deep · 17 km away
26. 1.523 km ENE of Honaunau-Napoopoo, HawaiiThu, Jul 26, 3:30 AM HST · 17233 days ago · 5 km deep · 31 km away
27. 2.123 km W of Volcano, HawaiiThu, Jul 26, 6:11 AM HST · 17233 days ago · 8 km deep · 8 km away
28. 2.35 km SSW of Volcano, HawaiiThu, Jul 26, 9:28 AM HST · 17232 days ago · 2 km deep · 18 km away
29. 3.63 km NNE of Kalaoa, HawaiiThu, Jul 26, 9:50 AM HST · 17232 days ago · 20 km deep · 70 km away
30. 2.728 km NNW of P?hala, HawaiiThu, Jul 26, 12:14 PM HST · 17232 days ago · 32 km deep · 15 km away
31. 2.224 km ESE of Honaunau-Napoopoo, HawaiiThu, Jul 26, 1:18 PM HST · 17232 days ago · -3 km deep · 22 km away
32. 2.119 km SSW of Leilani Estates, HawaiiThu, Jul 26, 1:45 PM HST · 17232 days ago · 43 km deep · 49 km away
33. 2.316 km SE of Fern Forest, HawaiiThu, Jul 26, 5:14 PM HST · 17232 days ago · 8 km deep · 41 km away
34. 1.613 km SSE of Fern Forest, HawaiiThu, Jul 26, 5:16 PM HST · 17232 days ago · 7 km deep · 35 km away
35. 1.521 km WSW of Volcano, HawaiiThu, Jul 26, 8:03 PM HST · 17232 days ago · 7 km deep · 1 km away
36. 1.512 km SSE of Fern Forest, HawaiiThu, Jul 26, 8:50 PM HST · 17232 days ago · 7 km deep · 36 km away
37. 2.0Island of Hawaii, HawaiiThu, Jul 26, 11:44 PM HST · 17232 days ago · 8 km deep · 37 km away
38. 1.912 km SSE of Fern Forest, HawaiiThu, Jul 26, 11:48 PM HST · 17232 days ago · 8 km deep · 37 km away
39. 1.615 km S of Fern Forest, HawaiiFri, Jul 27, 1:32 AM HST · 17232 days ago · 7 km deep · 32 km away
40. 2.014 km SE of Fern Forest, HawaiiFri, Jul 27, 1:58 AM HST · 17232 days ago · 6 km deep · 39 km away
41. 2.412 km SSE of Fern Forest, HawaiiFri, Jul 27, 3:21 AM HST · 17232 days ago · 8 km deep · 37 km away
42. 1.815 km SSE of Fern Forest, HawaiiFri, Jul 27, 6:29 AM HST · 17232 days ago · 5 km deep · 39 km away
43. 3.815 km S of Fern Forest, HawaiiFri, Jul 27, 8:56 AM HST · 17231 days ago · 9 km deep · 32 km away
44. 2.00 km E of Volcano, HawaiiFri, Jul 27, 5:25 PM HST · 17231 days ago · 33 km deep · 21 km away
45. 2.015 km SE of Fern Forest, HawaiiFri, Jul 27, 5:26 PM HST · 17231 days ago · 6 km deep · 41 km away
46. 2.816 km W of Volcano, HawaiiFri, Jul 27, 6:16 PM HST · 17231 days ago · 10 km deep · 5 km away
47. 1.512 km SSE of Fern Forest, HawaiiFri, Jul 27, 7:21 PM HST · 17231 days ago · 6 km deep · 36 km away
48. 2.124 km N of P?hala, HawaiiFri, Jul 27, 11:02 PM HST · 17231 days ago · 8 km deep · 9 km away
49. 2.59 km ENE of Honalo, HawaiiSat, Jul 28, 12:36 AM HST · 17231 days ago · 0 km deep · 49 km away
50. 2.112 km SSE of Fern Forest, HawaiiSat, Jul 28, 2:31 AM HST · 17231 days ago · 8 km deep · 37 km away
51. 1.84 km SW of Volcano, HawaiiSat, Jul 28, 3:01 AM HST · 17231 days ago · 8 km deep · 17 km away
52. 2.412 km SSE of Fern Forest, HawaiiSat, Jul 28, 3:26 AM HST · 17231 days ago · 8 km deep · 36 km away
53. 2.112 km SSE of Fern Forest, HawaiiSat, Jul 28, 3:48 AM HST · 17231 days ago · 7 km deep · 37 km away
54. 1.612 km SSE of Volcano, HawaiiSat, Jul 28, 4:28 AM HST · 17231 days ago · 7 km deep · 27 km away
55. 1.614 km S of Fern Forest, HawaiiSat, Jul 28, 4:29 AM HST · 17231 days ago · 5 km deep · 31 km away
56. 2.015 km S of Fern Forest, HawaiiSat, Jul 28, 7:41 AM HST · 17230 days ago · 5 km deep · 31 km away
57. 2.628 km ENE of Honaunau-Napoopoo, HawaiiSat, Jul 28, 9:16 AM HST · 17230 days ago · 7 km deep · 26 km away
58. 2.513 km SSE of Fern Forest, HawaiiSat, Jul 28, 10:14 AM HST · 17230 days ago · 7 km deep · 35 km away
59. 1.813 km SSE of Fern Forest, HawaiiSat, Jul 28, 10:27 AM HST · 17230 days ago · 7 km deep · 37 km away
60. 2.117 km SE of Fern Forest, HawaiiSat, Jul 28, 6:22 PM HST · 17230 days ago · 6 km deep · 42 km away

The first 60 of 199.

Before

1. 2.421 km N of P?hala, HawaiiMon, Jul 23, 12:21 AM HST · 17236 days ago · 8 km deep · 5 km away
2. 1.512 km SSW of Leilani Estates, HawaiiSun, Jul 22, 8:51 PM HST · 17236 days ago · 6 km deep · 47 km away
3. 1.917 km W of Volcano, HawaiiSun, Jul 22, 7:40 PM HST · 17236 days ago · 3 km deep · 6 km away
4. 2.014 km S of Volcano, HawaiiSun, Jul 22, 7:40 PM HST · 17236 days ago · 7 km deep · 24 km away
5. 1.917 km SW of Volcano, HawaiiSun, Jul 22, 7:08 PM HST · 17236 days ago · 6 km deep · 11 km away
6. 2.021 km N of P?hala, HawaiiSun, Jul 22, 6:49 PM HST · 17236 days ago · 4 km deep · 3 km away
7. 2.114 km SSE of Fern Forest, HawaiiSun, Jul 22, 3:54 PM HST · 17236 days ago · 7 km deep · 35 km away
8. 2.126 km W of Volcano, HawaiiSun, Jul 22, 1:51 PM HST · 17236 days ago · 4 km deep · 10 km away
9. 2.414 km S of Volcano, HawaiiSun, Jul 22, 8:44 AM HST · 17236 days ago · 7 km deep · 20 km away
10. 2.118 km WSW of Volcano, HawaiiSat, Jul 21, 9:38 PM HST · 17237 days ago · 8 km deep · 2 km away
11. 2.215 km W of Volcano, HawaiiSat, Jul 21, 8:10 PM HST · 17237 days ago · 7 km deep · 6 km away
12. 2.07 km SW of Volcano, HawaiiSat, Jul 21, 6:17 PM HST · 17237 days ago · 2 km deep · 15 km away
13. 2.714 km SSE of Fern Forest, HawaiiSat, Jul 21, 5:19 PM HST · 17237 days ago · 8 km deep · 35 km away
14. 1.717 km SE of Fern Forest, HawaiiSat, Jul 21, 3:51 PM HST · 17237 days ago · 7 km deep · 41 km away
15. 2.116 km SW of Leilani Estates, HawaiiSat, Jul 21, 1:10 PM HST · 17237 days ago · 4 km deep · 43 km away
16. 2.013 km S of Fern Forest, HawaiiSat, Jul 21, 12:21 PM HST · 17237 days ago · 7 km deep · 33 km away
17. 1.712 km SW of Volcano, HawaiiSat, Jul 21, 10:48 AM HST · 17237 days ago · 2 km deep · 13 km away
18. 2.114 km S of Fern Forest, HawaiiSat, Jul 21, 9:54 AM HST · 17237 days ago · 5 km deep · 33 km away
19. 2.3Island of Hawaii, HawaiiSat, Jul 21, 5:46 AM HST · 17238 days ago · 2 km deep · 16 km away
20. 1.712 km ENE of P?hala, HawaiiSat, Jul 21, 5:06 AM HST · 17238 days ago · 8 km deep · 19 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19792413. Read Wed, Sep 30, 2026, 4:20 AM UTC.