M1.8 earthquake 9 km SSE of Volcano, Hawaii

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Dec 17, 1973, 10:00 PM HST

UTC

1973-12-18 08:00:41 UTC

Depth

2.0 km (1.2 mi), shallow

Epicenter

19.357° N, 155.207° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.6 km in depth

Depth from

From location

Station coverage gap

69°

Stations used

11

• Volcano, HawaiiPopulation 2,575. Forecast10 kmSSE
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast36 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast351 kmSE

After

1. 2.319 km NNE of P?hala, HawaiiTue, Dec 18, 3:35 AM HST · 19280 days ago · 8 km deep · 23 km away
2. 2.016 km S of Volcano, HawaiiTue, Dec 18, 10:41 AM HST · 19280 days ago · 7 km deep · 6 km away
3. 2.023 km W of Volcano, HawaiiWed, Dec 19, 9:57 PM HST · 19278 days ago · 6 km deep · 29 km away
4. 3.414 km SSE of Naalehu, HawaiiWed, Dec 19, 11:17 PM HST · 19278 days ago · 40 km deep · 59 km away
5. 2.210 km SSE of Volcano, HawaiiThu, Dec 20, 2:31 AM HST · 19278 days ago · 2 km deep · 2 km away
6. 2.417 km WSW of Hilo, HawaiiThu, Dec 20, 5:01 AM HST · 19278 days ago · 38 km deep · 37 km away
7. 2.014 km S of Volcano, HawaiiThu, Dec 20, 6:32 AM HST · 19278 days ago · 7 km deep · 5 km away
8. 2.0Island of Hawaii, HawaiiThu, Dec 20, 10:40 AM HST · 19278 days ago · 5 km deep · 6 km away
9. 2.019 km NNE of P?hala, HawaiiThu, Dec 20, 2:30 PM HST · 19278 days ago · 9 km deep · 21 km away
10. 2.313 km SSE of Volcano, HawaiiFri, Dec 21, 4:15 AM HST · 19277 days ago · 6 km deep · 4 km away
11. 2.020 km WSW of Volcano, HawaiiSat, Dec 22, 3:29 AM HST · 19276 days ago · 7 km deep · 23 km away
12. 1.55 km SSW of Volcano, HawaiiSat, Dec 22, 7:15 AM HST · 19276 days ago · 2 km deep · 7 km away
13. 2.019 km NNE of P?hala, HawaiiSat, Dec 22, 5:03 PM HST · 19275 days ago · 8 km deep · 21 km away
14. 2.019 km NNE of P?hala, HawaiiSat, Dec 22, 5:13 PM HST · 19275 days ago · 8 km deep · 24 km away
15. 2.19 km SSW of Volcano, HawaiiSat, Dec 22, 6:19 PM HST · 19275 days ago · 18 km deep · 7 km away
16. 2.120 km N of P?hala, HawaiiSun, Dec 23, 3:44 AM HST · 19275 days ago · 7 km deep · 30 km away
17. 2.719 km WSW of Volcano, HawaiiSun, Dec 23, 3:58 AM HST · 19275 days ago · 9 km deep · 21 km away
18. 1.85 km SW of Volcano, HawaiiSun, Dec 23, 4:05 AM HST · 19275 days ago · 0 km deep · 9 km away
19. 1.914 km S of Volcano, HawaiiSun, Dec 23, 9:59 AM HST · 19275 days ago · 7 km deep · 7 km away
20. 2.314 km S of Volcano, HawaiiSun, Dec 23, 5:19 PM HST · 19274 days ago · 7 km deep · 5 km away
21. 2.429 km NNW of P?hala, HawaiiSun, Dec 23, 5:37 PM HST · 19274 days ago · 40 km deep · 40 km away
22. 2.010 km SSE of Volcano, HawaiiSun, Dec 23, 5:50 PM HST · 19274 days ago · 2 km deep · 0 km away
23. 2.013 km SSE of Volcano, HawaiiSun, Dec 23, 8:42 PM HST · 19274 days ago · 7 km deep · 4 km away
24. 2.014 km S of Volcano, HawaiiMon, Dec 24, 1:10 AM HST · 19274 days ago · 7 km deep · 5 km away
25. 2.019 km NNE of P?hala, HawaiiMon, Dec 24, 6:44 AM HST · 19274 days ago · 7 km deep · 23 km away
26. 2.016 km S of Volcano, HawaiiMon, Dec 24, 8:49 AM HST · 19274 days ago · 7 km deep · 7 km away
27. 1.55 km SSW of Volcano, HawaiiTue, Dec 25, 12:07 AM HST · 19273 days ago · 2 km deep · 7 km away
28. 2.020 km WSW of Volcano, HawaiiTue, Dec 25, 1:46 AM HST · 19273 days ago · 7 km deep · 22 km away
29. 1.919 km W of Volcano, HawaiiTue, Dec 25, 2:44 AM HST · 19273 days ago · 7 km deep · 23 km away
30. 2.016 km S of Volcano, HawaiiTue, Dec 25, 8:04 AM HST · 19273 days ago · 6 km deep · 7 km away
31. 2.016 km S of Volcano, HawaiiTue, Dec 25, 8:38 AM HST · 19273 days ago · 7 km deep · 7 km away
32. 2.916 km S of Volcano, HawaiiTue, Dec 25, 2:04 PM HST · 19273 days ago · 9 km deep · 6 km away
33. 2.018 km S of Volcano, HawaiiTue, Dec 25, 2:06 PM HST · 19273 days ago · 6 km deep · 9 km away
34. 2.316 km S of Volcano, HawaiiTue, Dec 25, 2:06 PM HST · 19273 days ago · 9 km deep · 7 km away
35. 2.017 km S of Volcano, HawaiiTue, Dec 25, 2:08 PM HST · 19273 days ago · 7 km deep · 8 km away
36. 2.016 km S of Volcano, HawaiiTue, Dec 25, 2:28 PM HST · 19273 days ago · 5 km deep · 7 km away
37. 2.115 km S of Fern Forest, HawaiiTue, Dec 25, 10:39 PM HST · 19272 days ago · 7 km deep · 11 km away
38. 2.017 km S of Volcano, HawaiiTue, Dec 25, 10:53 PM HST · 19272 days ago · 9 km deep · 8 km away
39. 1.910 km SSE of Volcano, HawaiiTue, Dec 25, 11:24 PM HST · 19272 days ago · 2 km deep · 2 km away
40. 2.818 km S of Volcano, HawaiiWed, Dec 26, 12:09 AM HST · 19272 days ago · 7 km deep · 9 km away
41. 2.016 km S of Volcano, HawaiiWed, Dec 26, 12:54 AM HST · 19272 days ago · 7 km deep · 7 km away
42. 2.112 km N of P?hala, HawaiiWed, Dec 26, 4:03 AM HST · 19272 days ago · 7 km deep · 29 km away
43. 1.919 km WSW of Volcano, HawaiiWed, Dec 26, 6:23 AM HST · 19272 days ago · 7 km deep · 22 km away
44. 2.115 km SE of Fern Forest, HawaiiWed, Dec 26, 12:58 PM HST · 19272 days ago · 7 km deep · 18 km away
45. 1.910 km SSE of Volcano, HawaiiWed, Dec 26, 2:34 PM HST · 19272 days ago · 2 km deep · 2 km away
46. 2.014 km SSE of Volcano, HawaiiThu, Dec 27, 3:35 AM HST · 19271 days ago · 7 km deep · 5 km away
47. 2.317 km WSW of Volcano, HawaiiThu, Dec 27, 3:46 AM HST · 19271 days ago · 9 km deep · 20 km away
48. 2.112 km SSE of Fern Forest, HawaiiThu, Dec 27, 6:08 AM HST · 19271 days ago · 6 km deep · 13 km away
49. 2.014 km SSE of Volcano, HawaiiThu, Dec 27, 6:09 AM HST · 19271 days ago · 7 km deep · 5 km away
50. 1.89 km SSE of Volcano, HawaiiThu, Dec 27, 12:04 PM HST · 19271 days ago · 1 km deep · 1 km away
51. 2.69 km SSW of Honoka‘a, HawaiiThu, Dec 27, 6:06 PM HST · 19270 days ago · 12 km deep · 77 km away
52. 2.719 km N of P?hala, HawaiiThu, Dec 27, 7:00 PM HST · 19270 days ago · 9 km deep · 25 km away
53. 2.019 km NNE of P?hala, HawaiiThu, Dec 27, 7:01 PM HST · 19270 days ago · 7 km deep · 24 km away
54. 2.110 km N of P?hala, HawaiiFri, Dec 28, 12:49 AM HST · 19270 days ago · 8 km deep · 28 km away
55. 2.613 km SSE of Naalehu, HawaiiFri, Dec 28, 1:54 AM HST · 19270 days ago · 39 km deep · 58 km away
56. 2.510 km SSE of Volcano, HawaiiFri, Dec 28, 5:33 AM HST · 19270 days ago · 3 km deep · 2 km away
57. 2.115 km S of Fern Forest, HawaiiFri, Dec 28, 11:43 AM HST · 19270 days ago · 8 km deep · 10 km away
58. 2.711 km S of Waikoloa, HawaiiFri, Dec 28, 7:23 PM HST · 19269 days ago · 34 km deep · 81 km away
59. 2.017 km NNE of P?hala, HawaiiSat, Dec 29, 2:40 AM HST · 19269 days ago · 6 km deep · 22 km away
60. 2.112 km SSE of Fern Forest, HawaiiSat, Dec 29, 4:46 AM HST · 19269 days ago · 8 km deep · 13 km away

The first 60 of 198.

Before

1. 2.613 km SSE of Naalehu, HawaiiMon, Dec 17, 9:14 PM HST · 19280 days ago · 40 km deep · 58 km away
2. 2.014 km S of Fern Forest, HawaiiSun, Dec 16, 10:09 PM HST · 19281 days ago · 7 km deep · 8 km away
3. 2.613 km SSE of Volcano, HawaiiSun, Dec 16, 2:42 PM HST · 19282 days ago · 8 km deep · 3 km away
4. 2.015 km S of Fern Forest, HawaiiSun, Dec 16, 7:33 AM HST · 19282 days ago · 7 km deep · 8 km away
5. 1.914 km S of Volcano, HawaiiSun, Dec 16, 5:37 AM HST · 19282 days ago · 5 km deep · 6 km away
6. 2.317 km SSW of Volcano, HawaiiSat, Dec 15, 11:32 PM HST · 19282 days ago · 32 km deep · 12 km away
7. 2.019 km NNE of P?hala, HawaiiSat, Dec 15, 9:07 PM HST · 19282 days ago · 9 km deep · 24 km away
8. 2.014 km SSE of Volcano, HawaiiSat, Dec 15, 3:26 PM HST · 19283 days ago · 7 km deep · 5 km away
9. 2.414 km W of Volcano, HawaiiSat, Dec 15, 2:15 PM HST · 19283 days ago · 7 km deep · 21 km away
10. 2.514 km S of Fern Forest, HawaiiFri, Dec 14, 6:32 PM HST · 19283 days ago · 7 km deep · 8 km away
11. 3.715 km S of Volcano, HawaiiFri, Dec 14, 4:46 PM HST · 19283 days ago · 9 km deep · 6 km away
12. 2.014 km S of Fern Forest, HawaiiFri, Dec 14, 11:20 AM HST · 19284 days ago · 7 km deep · 9 km away
13. 2.411 km WSW of Hilo, HawaiiFri, Dec 14, 6:07 AM HST · 19284 days ago · 37 km deep · 39 km away
14. 2.52 km N of Honaunau-Napoopoo, HawaiiFri, Dec 14, 4:36 AM HST · 19284 days ago · -1 km deep · 70 km away
15. 2.73 km SSW of Kahaluu-Keauhou, HawaiiFri, Dec 14, 4:15 AM HST · 19284 days ago · 11 km deep · 83 km away
16. 2.210 km SW of Volcano, HawaiiThu, Dec 13, 1:20 PM HST · 19285 days ago · 26 km deep · 10 km away
17. 2.410 km SSW of Volcano, HawaiiThu, Dec 13, 7:42 AM HST · 19285 days ago · 34 km deep · 9 km away
18. 2.021 km W of Volcano, HawaiiThu, Dec 13, 7:25 AM HST · 19285 days ago · 5 km deep · 25 km away
19. 2.311 km SSW of Volcano, HawaiiThu, Dec 13, 7:21 AM HST · 19285 days ago · 31 km deep · 9 km away
20. 2.313 km SSE of Volcano, HawaiiThu, Dec 13, 6:44 AM HST · 19285 days ago · 6 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19732939. Read Thu, Oct 1, 2026, 1:50 PM UTC.