| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | -55.316, -128.437 |
| UTC time | 2023-10-18 10:29:29.839 |
Earthquake details
Wednesday, October 18, 2023 Earthquake
The earthquake hit Pacific-Antarctic Ridge on Wednesday, October 18, 2023 at 10:29 UTC with a magnitude of 5.5. The closest known location in the current dataset is Punta Arenas, about 3643.0 km away. The epicenter is located at longitude -128.437 and latitude -55.316.
| Location | Pacific-Antarctic Ridge |
| Country | Pacific-Antarctic Ridge |
| Severity | Strong |
Earthquake map 2023-10-18
Closest countries
The 12 closest cities near the epicenter.
| Punta Arenas | 3643.0 km |
| Ushuaia | 3711.7 km |
| Río Grande | 3798.4 km |
| Río Gallegos | 3825.8 km |
| Coyhaique | 4020.0 km |
| Castro | 4125.5 km |
| Caleta Olivia | 4245.1 km |
| Port Montt | 4250.0 km |
| Comodoro Rivadavia | 4285.8 km |
| Dunedin | 4292.2 km |
| Osorno | 4303.4 km |
| Masterton | 4313.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.2
Pacific-Antarctic Ridge
Unknown · 2026-04-07 09:07 UTC
20.3 km
M 5.9
Pacific-Antarctic Ridge
Unknown · 2026-04-06 11:18 UTC
55.8 km
M 5.1
Pacific-Antarctic Ridge
Unknown · 2025-12-04 03:14 UTC
69.5 km
M 5.5
Pacific-Antarctic Ridge
Unknown · 2025-12-04 03:12 UTC
22.4 km
M 5.6
Pacific-Antarctic Ridge
Unknown · 2025-11-09 15:21 UTC
10.9 km
M 5.3
Pacific-Antarctic Ridge
Unknown · 2025-09-18 08:19 UTC
84.8 km
M 4.8
Pacific-Antarctic Ridge
Unknown · 2025-08-06 17:32 UTC
31.3 km
M 6.3
Pacific-Antarctic Ridge
Unknown · 2025-08-03 04:57 UTC
16.7 km
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