| Magnitude | 5.5 |
| Alert | Strong |
| Depth | -0.8 km |
| Coordinates | 19.387, -155.429 |
| UTC time | 1963-10-23 20:24:06.180 |
Earthquake details
Wednesday, October 23, 1963 Earthquake
The earthquake hit United States on Wednesday, October 23, 1963 at 20:24 UTC with a magnitude of 5.5. The closest known location in the current dataset is Hilo (United States - US), about 52.1 km away. The epicenter is located at longitude -155.429 and latitude 19.387.
| Location | Hilo |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1963-10-23
Closest countries
The 12 closest cities near the epicenter.
| Hilo | 52.1 km |
| East Honolulu | 319.2 km |
| Kailua | 329.4 km |
| Honolulu | 331.6 km |
| Kaneohe | 333.7 km |
| Aliamanu / Salt Lake / Foster Village | 340.2 km |
| Joint Base Pearl Harbor Hickam | 341.7 km |
| Pearl City | 347.3 km |
| Waipahu | 349.3 km |
| Pacifica | 3777.4 km |
| Daly City | 3783.5 km |
| San Bruno | 3784.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
Hilo
United States · 2026-06-17 12:14 UTC
33.2 km
M 4.7
Hilo
United States · 2026-06-10 08:37 UTC
73.7 km
M 4.3
Hilo
United States · 2026-06-07 10:41 UTC
41.0 km
M 4.6
Hilo
United States · 2026-06-03 03:58 UTC
65.5 km
M 4.3
Hilo
United States · 2026-06-03 03:58 UTC
65.1 km
M 6.0
Hilo
United States · 2026-05-23 07:46 UTC
40.2 km
M 6.0
Hilo
United States · 2026-05-23 07:46 UTC
44.0 km
M 5.9
Hilo
United States · 2026-05-23 07:46 UTC
46.3 km
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