M3.3 earthquake 24 km W of Volcano, Hawaii

Magnitude

3.3 (ML, local (Richter)), minor

Magnitude from

Hawaiian Volcano Observatory

Local time

Tue, Aug 14, 1973, 11:49 PM HST

UTC

1973-08-15 09:49:40 UTC

Depth

9.5 km (5.9 mi), shallow

Epicenter

19.431° N, 155.463° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

72°

Stations used

32

• Volcano, HawaiiPopulation 2,575. Forecast24 kmW
• Hilo, HawaiiPopulation 43,263. Forecast51 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast325 kmSE

After

1. 2.69 km SE of Fern Forest, HawaiiWed, Aug 15, 6:48 AM HST · 19406 days ago · 3 km deep · 42 km away
2. 2.121 km N of P?hala, HawaiiWed, Aug 15, 9:44 AM HST · 19406 days ago · 7 km deep · 4 km away
3. 2.210 km NW of P?hala, HawaiiWed, Aug 15, 11:08 AM HST · 19406 days ago · 6 km deep · 21 km away
4. 2.722 km ENE of Honaunau-Napoopoo, HawaiiWed, Aug 15, 8:41 PM HST · 19405 days ago · 7 km deep · 28 km away
5. 2.88 km W of Honomu, HawaiiWed, Aug 15, 10:24 PM HST · 19405 days ago · 37 km deep · 56 km away
6. 1.9Island of Hawaii, HawaiiFri, Aug 17, 1:00 AM HST · 19404 days ago · 7 km deep · 28 km away
7. 2.30 km W of Volcano, HawaiiFri, Aug 17, 2:11 PM HST · 19404 days ago · 31 km deep · 23 km away
8. 2.411 km NE of Honaunau-Napoopoo, HawaiiSat, Aug 18, 10:28 AM HST · 19403 days ago · 5 km deep · 36 km away
9. 2.04 km SW of Volcano, HawaiiSat, Aug 18, 3:12 PM HST · 19403 days ago · 15 km deep · 21 km away
10. 2.426 km SE of P?hala, HawaiiSat, Aug 18, 7:27 PM HST · 19402 days ago · 32 km deep · 48 km away
11. 2.45 km ESE of Honaunau-Napoopoo, HawaiiSat, Aug 18, 7:34 PM HST · 19402 days ago · 6 km deep · 37 km away
12. 2.123 km W of Volcano, HawaiiSun, Aug 19, 9:44 AM HST · 19402 days ago · 17 km deep · 2 km away
13. 3.014 km SW of Volcano, HawaiiTue, Aug 21, 4:15 AM HST · 19400 days ago · 2 km deep · 18 km away
14. 2.2Island of Hawaii, HawaiiTue, Aug 21, 5:20 AM HST · 19400 days ago · 9 km deep · 48 km away
15. 1.914 km S of Volcano, HawaiiTue, Aug 21, 2:15 PM HST · 19400 days ago · 6 km deep · 25 km away
16. 2.56 km NNE of Kea‘au, HawaiiTue, Aug 21, 3:05 PM HST · 19400 days ago · 7 km deep · 54 km away
17. 2.54 km NNE of P?hala, HawaiiTue, Aug 21, 7:00 PM HST · 19399 days ago · 12 km deep · 21 km away
18. 2.713 km SSE of Volcano, HawaiiTue, Aug 21, 10:38 PM HST · 19399 days ago · 9 km deep · 31 km away
19. 2.52 km ENE of Honomu, HawaiiWed, Aug 22, 1:09 AM HST · 19399 days ago · 33 km deep · 63 km away
20. 2.39 km S of Volcano, HawaiiWed, Aug 22, 8:57 PM HST · 19398 days ago · 27 km deep · 25 km away
21. 2.013 km S of Fern Forest, HawaiiThu, Aug 23, 5:36 AM HST · 19398 days ago · 8 km deep · 36 km away
22. 2.318 km WSW of Volcano, HawaiiThu, Aug 23, 9:23 AM HST · 19398 days ago · 7 km deep · 8 km away
23. 2.014 km S of Volcano, HawaiiSat, Aug 25, 11:05 AM HST · 19396 days ago · 7 km deep · 28 km away
24. 2.1Island of Hawaii, HawaiiSat, Aug 25, 6:28 PM HST · 19396 days ago · 6 km deep · 45 km away
25. 2.320 km WSW of Volcano, HawaiiSun, Aug 26, 5:35 PM HST · 19395 days ago · 9 km deep · 5 km away
26. 2.55 km WSW of Volcano, HawaiiSun, Aug 26, 10:31 PM HST · 19394 days ago · 15 km deep · 19 km away
27. 1.915 km S of Volcano, HawaiiMon, Aug 27, 1:09 AM HST · 19394 days ago · 4 km deep · 26 km away
28. 2.95 km WSW of Volcano, HawaiiMon, Aug 27, 2:20 AM HST · 19394 days ago · 15 km deep · 19 km away
29. 2.414 km SE of Fern Forest, HawaiiMon, Aug 27, 6:45 AM HST · 19394 days ago · 7 km deep · 45 km away
30. 2.017 km SSE of Volcano, HawaiiMon, Aug 27, 1:59 PM HST · 19394 days ago · 8 km deep · 35 km away
31. 2.314 km S of Volcano, HawaiiMon, Aug 27, 3:08 PM HST · 19394 days ago · 8 km deep · 26 km away
32. 2.314 km W of Volcano, HawaiiTue, Aug 28, 3:36 AM HST · 19393 days ago · 8 km deep · 10 km away
33. 2.531 km SE of Naalehu, HawaiiTue, Aug 28, 5:22 AM HST · 19393 days ago · 9 km deep · 64 km away
34. 2.66 km WSW of Volcano, HawaiiTue, Aug 28, 9:41 AM HST · 19393 days ago · 16 km deep · 18 km away
35. 2.314 km S of Volcano, HawaiiTue, Aug 28, 2:09 PM HST · 19393 days ago · 7 km deep · 29 km away
36. 3.215 km S of Volcano, HawaiiTue, Aug 28, 2:13 PM HST · 19393 days ago · 9 km deep · 29 km away
37. 1.915 km S of Volcano, HawaiiTue, Aug 28, 8:25 PM HST · 19392 days ago · 6 km deep · 29 km away
38. 2.84 km NNE of Honaunau-Napoopoo, HawaiiWed, Aug 29, 2:20 AM HST · 19392 days ago · 2 km deep · 40 km away
39. 2.321 km W of Volcano, HawaiiWed, Aug 29, 2:56 AM HST · 19392 days ago · 5 km deep · 4 km away
40. 2.823 km SE of Leilani Estates, HawaiiWed, Aug 29, 12:06 PM HST · 19392 days ago · 30 km deep · 75 km away
41. 2.05 km WSW of Volcano, HawaiiWed, Aug 29, 7:18 PM HST · 19391 days ago · 15 km deep · 19 km away
42. 1.913 km S of Volcano, HawaiiThu, Aug 30, 2:07 AM HST · 19391 days ago · 7 km deep · 25 km away
43. 2.519 km NNE of P?hala, HawaiiThu, Aug 30, 4:09 AM HST · 19391 days ago · 7 km deep · 7 km away
44. 3.06 km SW of Kahaluu-Keauhou, HawaiiThu, Aug 30, 10:46 AM HST · 19391 days ago · 5 km deep · 58 km away
45. 3.24 km E of P?pa‘ikou, HawaiiThu, Aug 30, 11:09 PM HST · 19390 days ago · 38 km deep · 59 km away
46. 2.413 km SSE of Fern Forest, HawaiiFri, Aug 31, 1:54 AM HST · 19390 days ago · 6 km deep · 39 km away
47. 2.27 km WSW of Volcano, HawaiiFri, Aug 31, 5:22 PM HST · 19390 days ago · 1 km deep · 18 km away
48. 2.414 km SSE of Volcano, HawaiiFri, Aug 31, 5:41 PM HST · 19390 days ago · 7 km deep · 32 km away
49. 2.410 km NE of P?hala, HawaiiFri, Aug 31, 9:45 PM HST · 19389 days ago · 34 km deep · 18 km away
50. 2.214 km SE of Fern Forest, HawaiiSat, Sep 1, 4:43 AM HST · 19389 days ago · 7 km deep · 43 km away
51. 2.738 km SE of Naalehu, HawaiiSat, Sep 1, 5:01 AM HST · 19389 days ago · 50 km deep · 65 km away
52. 2.818 km W of Volcano, HawaiiSat, Sep 1, 9:56 AM HST · 19389 days ago · 7 km deep · 5 km away
53. 2.719 km W of Volcano, HawaiiSat, Sep 1, 11:02 AM HST · 19389 days ago · 5 km deep · 5 km away
54. 3.116 km S of Fern Forest, HawaiiSat, Sep 1, 8:56 PM HST · 19388 days ago · 8 km deep · 36 km away
55. 2.29 km SSW of Volcano, HawaiiSun, Sep 2, 1:03 AM HST · 19388 days ago · 26 km deep · 21 km away
56. 2.66 km SW of Volcano, HawaiiSun, Sep 2, 3:15 AM HST · 19388 days ago · 2 km deep · 20 km away
57. 1.914 km S of Volcano, HawaiiMon, Sep 3, 2:46 PM HST · 19387 days ago · 7 km deep · 28 km away
58. 2.027 km W of Volcano, HawaiiMon, Sep 3, 4:28 PM HST · 19387 days ago · 2 km deep · 5 km away
59. 2.529 km SE of Naalehu, HawaiiMon, Sep 3, 6:25 PM HST · 19387 days ago · 10 km deep · 63 km away
60. 1.915 km S of Volcano, HawaiiTue, Sep 4, 7:45 PM HST · 19385 days ago · 4 km deep · 30 km away

The first 60 of at least 199.

Before

1. 1.915 km S of Volcano, HawaiiTue, Aug 14, 5:30 AM HST · 19407 days ago · 5 km deep · 29 km away
2. 3.310 km S of Volcano, HawaiiMon, Aug 13, 8:46 AM HST · 19408 days ago · 8 km deep · 24 km away
3. 2.620 km WNW of Volcano, HawaiiMon, Aug 13, 2:47 AM HST · 19408 days ago · 5 km deep · 8 km away
4. 1.713 km SW of Volcano, HawaiiMon, Aug 13, 2:46 AM HST · 19408 days ago · 1 km deep · 16 km away
5. 2.314 km W of Volcano, HawaiiSun, Aug 12, 1:42 PM HST · 19409 days ago · 7 km deep · 10 km away
6. 3.515 km SSW of Honoka‘a, HawaiiSat, Aug 11, 3:18 AM HST · 19410 days ago · 37 km deep · 57 km away
7. 2.020 km NNE of P?hala, HawaiiFri, Aug 10, 6:27 PM HST · 19411 days ago · 8 km deep · 6 km away
8. 2.014 km S of Volcano, HawaiiThu, Aug 9, 7:06 AM HST · 19412 days ago · 7 km deep · 30 km away
9. 2.59 km NE of Honomu, HawaiiWed, Aug 8, 10:28 PM HST · 19412 days ago · 35 km deep · 71 km away
10. 2.019 km WSW of Volcano, HawaiiWed, Aug 8, 7:44 PM HST · 19412 days ago · 9 km deep · 8 km away
11. 1.9Island of Hawaii, HawaiiWed, Aug 8, 7:27 PM HST · 19412 days ago · 2 km deep · 33 km away
12. 2.122 km N of P?hala, HawaiiWed, Aug 8, 6:11 PM HST · 19413 days ago · 10 km deep · 6 km away
13. 1.915 km S of Volcano, HawaiiWed, Aug 8, 11:42 AM HST · 19413 days ago · 6 km deep · 25 km away
14. 2.512 km SSE of Volcano, HawaiiWed, Aug 8, 9:53 AM HST · 19413 days ago · 8 km deep · 31 km away
15. 2.318 km NNE of P?hala, HawaiiWed, Aug 8, 9:48 AM HST · 19413 days ago · 6 km deep · 7 km away
16. 2.020 km WSW of Volcano, HawaiiWed, Aug 8, 5:19 AM HST · 19413 days ago · 7 km deep · 5 km away
17. 1.917 km WSW of Volcano, HawaiiWed, Aug 8, 4:41 AM HST · 19413 days ago · 8 km deep · 8 km away
18. 2.717 km WSW of Volcano, HawaiiWed, Aug 8, 3:59 AM HST · 19413 days ago · 8 km deep · 7 km away
19. 2.2Island of Hawaii, HawaiiWed, Aug 8, 3:20 AM HST · 19413 days ago · 3 km deep · 20 km away
20. 2.432 km SSE of Fern Forest, HawaiiWed, Aug 8, 3:11 AM HST · 19413 days ago · 49 km deep · 52 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19732029. Read Fri, Oct 2, 2026, 4:28 PM UTC.