M2.3 earthquake 19 km W of Volcano, Hawaii

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Fri, Sep 28, 1973, 10:38 PM HST

UTC

1973-09-29 08:38:50 UTC

Depth

6.7 km (4.2 mi), shallow

Epicenter

19.433° N, 155.421° 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

±0.30

Depth from

From location

Station coverage gap

67°

Stations used

25

• Volcano, HawaiiPopulation 2,575. Forecast20 kmW
• Hilo, HawaiiPopulation 43,263. Forecast48 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast329 kmSE

After

1. 3.119 km W of Volcano, HawaiiSat, Sep 29, 4:40 AM HST · 19361 days ago · 10 km deep · 2 km away
2. 2.012 km SSE of Volcano, HawaiiSat, Sep 29, 7:55 AM HST · 19361 days ago · 7 km deep · 26 km away
3. 2.218 km W of Volcano, HawaiiSun, Sep 30, 5:59 AM HST · 19360 days ago · 6 km deep · 2 km away
4. 2.29 km WSW of P?hala, HawaiiSun, Sep 30, 3:15 PM HST · 19359 days ago · 3 km deep · 32 km away
5. 2.415 km S of Fern Forest, HawaiiSun, Sep 30, 8:27 PM HST · 19359 days ago · 8 km deep · 34 km away
6. 2.414 km ENE of P?hala, HawaiiSun, Sep 30, 10:55 PM HST · 19359 days ago · 41 km deep · 23 km away
7. 3.813 km SSW of Kapaau, HawaiiMon, Oct 1, 6:43 AM HST · 19359 days ago · 29 km deep · 88 km away
8. 2.39 km SSE of P?hala, HawaiiMon, Oct 1, 8:43 AM HST · 19359 days ago · 28 km deep · 35 km away
9. 2.115 km S of Fern Forest, HawaiiMon, Oct 1, 12:09 PM HST · 19358 days ago · 7 km deep · 34 km away
10. 2.113 km SSE of Fern Forest, HawaiiMon, Oct 1, 3:17 PM HST · 19358 days ago · 7 km deep · 35 km away
11. 2.313 km S of Fern Forest, HawaiiMon, Oct 1, 4:59 PM HST · 19358 days ago · 7 km deep · 32 km away
12. 2.44 km ENE of P?hala, HawaiiTue, Oct 2, 12:32 AM HST · 19358 days ago · 7 km deep · 23 km away
13. 2.311 km S of Fern Forest, HawaiiTue, Oct 2, 1:05 AM HST · 19358 days ago · 2 km deep · 30 km away
14. 2.14 km ENE of P?hala, HawaiiTue, Oct 2, 2:00 AM HST · 19358 days ago · 6 km deep · 23 km away
15. 2.010 km S of Fern Forest, HawaiiTue, Oct 2, 2:07 AM HST · 19358 days ago · 2 km deep · 30 km away
16. 3.39 km NE of Kukuihaele, HawaiiTue, Oct 2, 6:51 AM HST · 19358 days ago · 7 km deep · 83 km away
17. 3.1Hawaii region, HawaiiTue, Oct 2, 7:18 AM HST · 19358 days ago · 7 km deep · 83 km away
18. 2.019 km NNE of P?hala, HawaiiTue, Oct 2, 6:01 PM HST · 19357 days ago · 9 km deep · 6 km away
19. 1.914 km SSW of Volcano, HawaiiWed, Oct 3, 2:05 AM HST · 19357 days ago · 6 km deep · 20 km away
20. 2.020 km W of Volcano, HawaiiWed, Oct 3, 4:44 AM HST · 19357 days ago · 12 km deep · 1 km away
21. 2.016 km S of Volcano, HawaiiWed, Oct 3, 4:14 PM HST · 19356 days ago · 5 km deep · 25 km away
22. 2.316 km S of Volcano, HawaiiWed, Oct 3, 4:14 PM HST · 19356 days ago · 6 km deep · 25 km away
23. 2.016 km S of Volcano, HawaiiThu, Oct 4, 2:24 AM HST · 19356 days ago · 6 km deep · 25 km away
24. 2.015 km S of Fern Forest, HawaiiThu, Oct 4, 6:08 AM HST · 19356 days ago · 7 km deep · 32 km away
25. 3.034 km SSE of Volcano, HawaiiThu, Oct 4, 5:53 PM HST · 19355 days ago · 18 km deep · 45 km away
26. 2.013 km S of Fern Forest, HawaiiThu, Oct 4, 8:37 PM HST · 19355 days ago · 5 km deep · 33 km away
27. 2.113 km S of Fern Forest, HawaiiThu, Oct 4, 8:56 PM HST · 19355 days ago · 8 km deep · 34 km away
28. 2.013 km S of Fern Forest, HawaiiThu, Oct 4, 9:06 PM HST · 19355 days ago · 7 km deep · 34 km away
29. 2.015 km S of Volcano, HawaiiSat, Oct 6, 5:15 AM HST · 19354 days ago · 7 km deep · 26 km away
30. 2.514 km NNE of P?hala, HawaiiMon, Oct 8, 4:21 PM HST · 19351 days ago · 53 km deep · 12 km away
31. 3.514 km S of Fern Forest, HawaiiMon, Oct 8, 6:17 PM HST · 19351 days ago · 9 km deep · 33 km away
32. 4.812 km SSW of Volcano, HawaiiTue, Oct 9, 1:53 AM HST · 19351 days ago · 31 km deep · 20 km away
33. 2.610 km SSW of Volcano, HawaiiTue, Oct 9, 1:59 AM HST · 19351 days ago · 30 km deep · 18 km away
34. 4.313 km SSW of Volcano, HawaiiTue, Oct 9, 2:01 AM HST · 19351 days ago · 32 km deep · 19 km away
35. 2.613 km SSW of Volcano, HawaiiTue, Oct 9, 2:16 AM HST · 19351 days ago · 31 km deep · 19 km away
36. 2.713 km SSW of Volcano, HawaiiTue, Oct 9, 2:19 AM HST · 19351 days ago · 31 km deep · 19 km away
37. 2.313 km SSW of Volcano, HawaiiTue, Oct 9, 2:20 AM HST · 19351 days ago · 31 km deep · 19 km away
38. 2.617 km SSW of Volcano, HawaiiTue, Oct 9, 2:23 AM HST · 19351 days ago · 32 km deep · 20 km away
39. 2.313 km SSW of Volcano, HawaiiTue, Oct 9, 2:27 AM HST · 19351 days ago · 30 km deep · 20 km away
40. 2.711 km SSW of Volcano, HawaiiTue, Oct 9, 2:50 AM HST · 19351 days ago · 31 km deep · 19 km away
41. 2.312 km SSW of Volcano, HawaiiTue, Oct 9, 3:17 AM HST · 19351 days ago · 30 km deep · 19 km away
42. 2.813 km SSW of Volcano, HawaiiTue, Oct 9, 3:27 AM HST · 19351 days ago · 30 km deep · 20 km away
43. 2.314 km S of Volcano, HawaiiTue, Oct 9, 4:35 AM HST · 19351 days ago · 32 km deep · 22 km away
44. 2.810 km SSW of Volcano, HawaiiTue, Oct 9, 4:59 AM HST · 19351 days ago · 32 km deep · 19 km away
45. 2.312 km SSW of Volcano, HawaiiTue, Oct 9, 11:17 AM HST · 19350 days ago · 30 km deep · 19 km away
46. 2.312 km SSW of Volcano, HawaiiTue, Oct 9, 6:12 PM HST · 19350 days ago · 31 km deep · 19 km away
47. 2.014 km SSE of Volcano, HawaiiWed, Oct 10, 4:25 AM HST · 19350 days ago · 7 km deep · 28 km away
48. 2.015 km S of Fern Forest, HawaiiWed, Oct 10, 2:20 PM HST · 19349 days ago · 7 km deep · 33 km away
49. 2.021 km WSW of Volcano, HawaiiWed, Oct 10, 7:04 PM HST · 19349 days ago · 7 km deep · 4 km away
50. 2.414 km E of P?hala, HawaiiWed, Oct 10, 7:28 PM HST · 19349 days ago · 42 km deep · 28 km away
51. 2.113 km SSE of Fern Forest, HawaiiWed, Oct 10, 10:14 PM HST · 19349 days ago · 6 km deep · 35 km away
52. 2.612 km SE of Waikoloa, HawaiiThu, Oct 11, 2:01 AM HST · 19349 days ago · 13 km deep · 56 km away
53. 2.016 km S of Fern Forest, HawaiiThu, Oct 11, 2:29 AM HST · 19349 days ago · 8 km deep · 31 km away
54. 2.013 km S of Fern Forest, HawaiiThu, Oct 11, 5:03 AM HST · 19349 days ago · 7 km deep · 33 km away
55. 2.312 km SSW of Volcano, HawaiiThu, Oct 11, 11:10 AM HST · 19348 days ago · 29 km deep · 18 km away
56. 2.325 km W of Volcano, HawaiiThu, Oct 11, 7:55 PM HST · 19348 days ago · 2 km deep · 8 km away
57. 2.012 km SSE of Volcano, HawaiiThu, Oct 11, 8:40 PM HST · 19348 days ago · 8 km deep · 26 km away
58. 2.323 km W of Volcano, HawaiiThu, Oct 11, 10:24 PM HST · 19348 days ago · 5 km deep · 6 km away
59. 1.910 km SSE of Volcano, HawaiiThu, Oct 11, 10:30 PM HST · 19348 days ago · 3 km deep · 26 km away
60. 2.313 km SSW of Volcano, HawaiiThu, Oct 11, 11:12 PM HST · 19348 days ago · 31 km deep · 19 km away

The first 60 of at least 199.

Before

1. 2.012 km SSE of Fern Forest, HawaiiFri, Sep 28, 2:37 AM HST · 19362 days ago · 4 km deep · 34 km away
2. 2.014 km S of Fern Forest, HawaiiFri, Sep 28, 2:09 AM HST · 19362 days ago · 7 km deep · 32 km away
3. 2.015 km NNE of P?hala, HawaiiThu, Sep 27, 9:16 PM HST · 19362 days ago · 8 km deep · 12 km away
4. 2.210 km SSE of Volcano, HawaiiThu, Sep 27, 5:23 PM HST · 19362 days ago · 3 km deep · 26 km away
5. 2.213 km SSE of Volcano, HawaiiThu, Sep 27, 3:20 AM HST · 19363 days ago · 6 km deep · 27 km away
6. 2.124 km N of P?hala, HawaiiThu, Sep 27, 2:20 AM HST · 19363 days ago · 8 km deep · 7 km away
7. 2.215 km N of P?hala, HawaiiWed, Sep 26, 12:06 AM HST · 19364 days ago · 21 km deep · 11 km away
8. 1.918 km WSW of Volcano, HawaiiTue, Sep 25, 6:03 PM HST · 19364 days ago · 8 km deep · 7 km away
9. 2.014 km SSE of Volcano, HawaiiTue, Sep 25, 4:19 PM HST · 19364 days ago · 8 km deep · 27 km away
10. 2.015 km S of Volcano, HawaiiTue, Sep 25, 11:26 AM HST · 19364 days ago · 7 km deep · 25 km away
11. 2.711 km NE of Honaunau-Napoopoo, HawaiiTue, Sep 25, 10:36 AM HST · 19364 days ago · 7 km deep · 38 km away
12. 2.020 km WSW of Volcano, HawaiiMon, Sep 24, 6:18 PM HST · 19365 days ago · 7 km deep · 5 km away
13. 2.710 km SE of Eden Roc, HawaiiMon, Sep 24, 3:12 PM HST · 19365 days ago · 3 km deep · 40 km away
14. 2.58 km SSW of Volcano, HawaiiMon, Sep 24, 3:06 PM HST · 19365 days ago · 32 km deep · 18 km away
15. 2.712 km SE of Fern Forest, HawaiiMon, Sep 24, 2:45 PM HST · 19365 days ago · 7 km deep · 38 km away
16. 2.310 km SSW of Volcano, HawaiiMon, Sep 24, 6:13 AM HST · 19366 days ago · 32 km deep · 16 km away
17. 2.0Island of Hawaii, HawaiiMon, Sep 24, 3:50 AM HST · 19366 days ago · 7 km deep · 31 km away
18. 2.416 km E of P?hala, HawaiiMon, Sep 24, 1:00 AM HST · 19366 days ago · 43 km deep · 25 km away
19. 2.519 km WSW of Volcano, HawaiiMon, Sep 24, 12:53 AM HST · 19366 days ago · 9 km deep · 6 km away
20. 3.07 km SSW of Volcano, HawaiiSun, Sep 23, 7:46 PM HST · 19366 days ago · 31 km deep · 18 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19732341. Read Fri, Oct 2, 2026, 7:04 AM UTC.