M2.3 earthquake 13 km NW of Volcano, Hawaii

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Fri, Jul 20, 1973, 1:14 AM HST

UTC

1973-07-20 11:14:11 UTC

Depth

7.4 km (4.6 mi), shallow

Epicenter

19.534° N, 155.326° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.02

Depth from

From location

Station coverage gap

73°

Stations used

24

• Volcano, HawaiiPopulation 2,575. Forecast14 kmNW
• Hilo, HawaiiPopulation 43,263. Forecast33 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast329 kmSE

After

1. 3.512 km SSW of Pa‘auilo, HawaiiFri, Jul 20, 4:27 AM HST · 19432 days ago · 11 km deep · 45 km away
2. 2.118 km N of P?hala, HawaiiFri, Jul 20, 7:44 AM HST · 19432 days ago · 6 km deep · 25 km away
3. 2.622 km N of P?hala, HawaiiFri, Jul 20, 1:10 PM HST · 19431 days ago · 8 km deep · 20 km away
4. 2.419 km SSW of Leilani Estates, HawaiiSat, Jul 21, 2:07 AM HST · 19431 days ago · 41 km deep · 45 km away
5. 2.8Island of Hawaii, HawaiiSat, Jul 21, 8:57 AM HST · 19431 days ago · 10 km deep · 22 km away
6. 2.63 km N of Pa‘auilo, HawaiiSat, Jul 21, 5:05 PM HST · 19430 days ago · 7 km deep · 60 km away
7. 1.917 km W of Volcano, HawaiiSun, Jul 22, 5:13 AM HST · 19430 days ago · 9 km deep · 15 km away
8. 1.910 km SSE of Volcano, HawaiiSun, Jul 22, 10:21 PM HST · 19429 days ago · 3 km deep · 24 km away
9. 2.91 km NNW of Volcano, HawaiiSun, Jul 22, 11:31 PM HST · 19429 days ago · 31 km deep · 13 km away
10. 2.515 km W of Volcano, HawaiiMon, Jul 23, 1:16 PM HST · 19428 days ago · 5 km deep · 12 km away
11. 2.67 km S of Honoka‘a, HawaiiMon, Jul 23, 8:26 PM HST · 19428 days ago · 11 km deep · 55 km away
12. 1.910 km SSE of Volcano, HawaiiTue, Jul 24, 4:55 AM HST · 19428 days ago · 2 km deep · 24 km away
13. 3.025 km WNW of Volcano, HawaiiTue, Jul 24, 10:00 AM HST · 19428 days ago · -1 km deep · 15 km away
14. 1.910 km SSE of Volcano, HawaiiTue, Jul 24, 11:13 AM HST · 19427 days ago · 3 km deep · 24 km away
15. 1.917 km WSW of Volcano, HawaiiTue, Jul 24, 6:29 PM HST · 19427 days ago · 8 km deep · 16 km away
16. 1.910 km SSE of Volcano, HawaiiWed, Jul 25, 2:26 AM HST · 19427 days ago · 2 km deep · 24 km away
17. 1.911 km SE of Volcano, HawaiiWed, Jul 25, 5:16 AM HST · 19427 days ago · 2 km deep · 26 km away
18. 2.56 km NW of Volcano, HawaiiWed, Jul 25, 6:03 AM HST · 19427 days ago · 27 km deep · 8 km away
19. 2.011 km S of Fern Forest, HawaiiWed, Jul 25, 7:32 PM HST · 19426 days ago · 3 km deep · 27 km away
20. 2.29 km SSE of Volcano, HawaiiWed, Jul 25, 9:44 PM HST · 19426 days ago · 2 km deep · 24 km away
21. 2.124 km N of P?hala, HawaiiThu, Jul 26, 12:15 AM HST · 19426 days ago · 7 km deep · 21 km away
22. 1.912 km S of Fern Forest, HawaiiThu, Jul 26, 6:10 PM HST · 19425 days ago · 2 km deep · 27 km away
23. 1.910 km SE of Volcano, HawaiiThu, Jul 26, 7:34 PM HST · 19425 days ago · 5 km deep · 24 km away
24. 3.015 km NNE of P?hala, HawaiiFri, Jul 27, 12:31 AM HST · 19425 days ago · 9 km deep · 25 km away
25. 2.11 km ESE of P?hala, HawaiiFri, Jul 27, 1:02 AM HST · 19425 days ago · 0 km deep · 40 km away
26. 2.410 km SSE of Volcano, HawaiiFri, Jul 27, 7:16 AM HST · 19425 days ago · 3 km deep · 24 km away
27. 2.712 km S of Fern Forest, HawaiiFri, Jul 27, 4:35 PM HST · 19424 days ago · 2 km deep · 27 km away
28. 2.014 km S of Fern Forest, HawaiiFri, Jul 27, 9:13 PM HST · 19424 days ago · 7 km deep · 30 km away
29. 2.313 km SSE of Volcano, HawaiiSat, Jul 28, 12:00 AM HST · 19424 days ago · 6 km deep · 27 km away
30. 2.014 km W of Volcano, HawaiiSat, Jul 28, 9:26 AM HST · 19424 days ago · 5 km deep · 12 km away
31. 2.713 km ESE of Waimea, HawaiiSat, Jul 28, 9:38 AM HST · 19424 days ago · 40 km deep · 55 km away
32. 2.015 km S of Volcano, HawaiiSat, Jul 28, 2:21 PM HST · 19423 days ago · 7 km deep · 28 km away
33. 2.114 km S of Volcano, HawaiiSat, Jul 28, 2:30 PM HST · 19423 days ago · 7 km deep · 28 km away
34. 2.315 km SW of Volcano, HawaiiSat, Jul 28, 4:17 PM HST · 19423 days ago · 31 km deep · 20 km away
35. 3.039 km ESE of Naalehu, HawaiiSat, Jul 28, 6:39 PM HST · 19423 days ago · 12 km deep · 72 km away
36. 2.27 km WNW of P?hala, HawaiiSat, Jul 28, 7:07 PM HST · 19423 days ago · 8 km deep · 41 km away
37. 2.014 km S of Fern Forest, HawaiiSun, Jul 29, 9:33 AM HST · 19423 days ago · 8 km deep · 29 km away
38. 2.0Island of Hawaii, HawaiiMon, Jul 30, 5:34 AM HST · 19422 days ago · 2 km deep · 30 km away
39. 2.84 km SW of Volcano, HawaiiMon, Jul 30, 5:59 AM HST · 19422 days ago · 14 km deep · 14 km away
40. 2.221 km W of Volcano, HawaiiMon, Jul 30, 7:19 PM HST · 19421 days ago · 0 km deep · 18 km away
41. 2.612 km S of Fern Forest, HawaiiMon, Jul 30, 10:22 PM HST · 19421 days ago · 3 km deep · 27 km away
42. 3.512 km SSE of Volcano, HawaiiTue, Jul 31, 6:33 AM HST · 19421 days ago · 9 km deep · 26 km away
43. 2.316 km S of Fern Forest, HawaiiTue, Jul 31, 9:26 AM HST · 19421 days ago · 6 km deep · 31 km away
44. 2.411 km S of Fern Forest, HawaiiWed, Aug 1, 2:10 AM HST · 19420 days ago · 3 km deep · 26 km away
45. 2.916 km S of Honoka‘a, HawaiiWed, Aug 1, 2:59 AM HST · 19420 days ago · 16 km deep · 47 km away
46. 2.58 km SSW of Volcano, HawaiiWed, Aug 1, 4:41 PM HST · 19419 days ago · 27 km deep · 18 km away
47. 2.621 km WSW of Volcano, HawaiiThu, Aug 2, 4:05 AM HST · 19419 days ago · 6 km deep · 19 km away
48. 2.611 km S of Fern Forest, HawaiiThu, Aug 2, 6:32 AM HST · 19419 days ago · 3 km deep · 27 km away
49. 2.311 km S of Fern Forest, HawaiiThu, Aug 2, 10:33 AM HST · 19419 days ago · 3 km deep · 27 km away
50. 2.011 km S of Fern Forest, HawaiiThu, Aug 2, 1:09 PM HST · 19418 days ago · 3 km deep · 27 km away
51. 2.318 km SSE of Volcano, HawaiiFri, Aug 3, 2:25 AM HST · 19418 days ago · 1 km deep · 31 km away
52. 2.018 km SSE of Volcano, HawaiiFri, Aug 3, 3:17 AM HST · 19418 days ago · 1 km deep · 32 km away
53. 2.018 km SSE of Volcano, HawaiiFri, Aug 3, 8:18 AM HST · 19418 days ago · 1 km deep · 31 km away
54. 2.018 km SSE of Volcano, HawaiiFri, Aug 3, 4:20 PM HST · 19417 days ago · 1 km deep · 32 km away
55. 2.317 km SSE of Volcano, HawaiiFri, Aug 3, 6:37 PM HST · 19417 days ago · 0 km deep · 31 km away
56. 2.018 km SSE of Volcano, HawaiiSat, Aug 4, 4:38 AM HST · 19417 days ago · 2 km deep · 31 km away
57. 2.015 km S of Fern Forest, HawaiiSat, Aug 4, 9:41 PM HST · 19416 days ago · 6 km deep · 31 km away
58. 1.916 km S of Volcano, HawaiiSun, Aug 5, 1:07 AM HST · 19416 days ago · 5 km deep · 28 km away
59. 3.328 km NNW of Kalaoa, HawaiiSun, Aug 5, 8:49 AM HST · 19416 days ago · 1 km deep · 96 km away
60. 2.014 km S of Volcano, HawaiiSun, Aug 5, 11:22 AM HST · 19415 days ago · 8 km deep · 27 km away

The first 60 of 184.

Before

1. 2.59 km SSW of Pa‘auilo, HawaiiThu, Jul 19, 4:14 PM HST · 19432 days ago · 11 km deep · 49 km away
2. 2.910 km SSW of Pa‘auilo, HawaiiThu, Jul 19, 4:12 PM HST · 19432 days ago · 8 km deep · 48 km away
3. 1.913 km SSE of Volcano, HawaiiThu, Jul 19, 12:55 PM HST · 19432 days ago · 5 km deep · 26 km away
4. 2.017 km WSW of Volcano, HawaiiThu, Jul 19, 6:11 AM HST · 19433 days ago · 11 km deep · 18 km away
5. 2.218 km SW of Volcano, HawaiiThu, Jul 19, 4:58 AM HST · 19433 days ago · 1 km deep · 24 km away
6. 1.89 km SSE of Volcano, HawaiiThu, Jul 19, 1:17 AM HST · 19433 days ago · 2 km deep · 23 km away
7. 2.623 km W of Volcano, HawaiiWed, Jul 18, 4:41 AM HST · 19434 days ago · 4 km deep · 15 km away
8. 2.317 km SSW of Laup?hoehoe, HawaiiWed, Jul 18, 12:45 AM HST · 19434 days ago · 13 km deep · 34 km away
9. 2.227 km ENE of Honaunau-Napoopoo, HawaiiTue, Jul 17, 8:50 PM HST · 19434 days ago · 1 km deep · 32 km away
10. 3.16 km WSW of Kailua-Kona, HawaiiTue, Jul 17, 10:34 AM HST · 19435 days ago · 9 km deep · 77 km away
11. 2.317 km ENE of Honaunau-Napoopoo, HawaiiTue, Jul 17, 6:53 AM HST · 19435 days ago · 5 km deep · 41 km away
12. 2.918 km NNE of P?hala, HawaiiTue, Jul 17, 5:21 AM HST · 19435 days ago · 8 km deep · 22 km away
13. 2.3Island of Hawaii, HawaiiTue, Jul 17, 5:20 AM HST · 19435 days ago · 6 km deep · 22 km away
14. 2.116 km SW of Leilani Estates, HawaiiTue, Jul 17, 3:16 AM HST · 19435 days ago · 8 km deep · 38 km away
15. 2.51 km NE of Pa‘auilo, HawaiiTue, Jul 17, 12:54 AM HST · 19435 days ago · 12 km deep · 57 km away
16. 2.714 km S of Fern Forest, HawaiiMon, Jul 16, 6:22 PM HST · 19435 days ago · 7 km deep · 30 km away
17. 1.921 km WSW of Volcano, HawaiiMon, Jul 16, 6:10 AM HST · 19436 days ago · 4 km deep · 19 km away
18. 2.123 km N of P?hala, HawaiiMon, Jul 16, 12:52 AM HST · 19436 days ago · 13 km deep · 19 km away
19. 2.012 km SSE of Volcano, HawaiiSun, Jul 15, 11:09 PM HST · 19436 days ago · 7 km deep · 26 km away
20. 2.122 km W of Volcano, HawaiiSun, Jul 15, 1:27 AM HST · 19437 days ago · 1 km deep · 17 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19731874. Read Fri, Oct 2, 2026, 8:38 AM UTC.