| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -55.699, -27.647 |
| UTC time | 1988-10-04 15:13:04.280 |
Earthquake details
Tuesday, October 4, 1988 Earthquake
The earthquake hit South Sandwich Islands region on Tuesday, October 4, 1988 at 15:13 UTC with a magnitude of 5.4. The closest known location in the current dataset is Ushuaia, about 2544.9 km away. The epicenter is located at longitude -27.647 and latitude -55.699.
| Location | South Sandwich Islands region |
| Country | South Sandwich Islands region |
| Severity | Strong |
Earthquake map 1988-10-04
Closest countries
The 12 closest cities near the epicenter.
| Ushuaia | 2544.9 km |
| Río Grande | 2547.0 km |
| Río Gallegos | 2736.7 km |
| Punta Arenas | 2770.0 km |
| Caleta Olivia | 2924.7 km |
| Comodoro Rivadavia | 2961.0 km |
| Mar del Plata | 2970.0 km |
| Necochea | 2988.1 km |
| Trelew | 3006.1 km |
| Balcarce | 3021.9 km |
| Puerto Madryn | 3024.9 km |
| Viedma | 3050.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 06:38 UTC
71.2 km
M 4.8
South Sandwich Islands region
Unknown · 2026-09-29 04:16 UTC
55.4 km
M 5.0
South Sandwich Islands region
Unknown · 2026-09-19 09:59 UTC
30.3 km
M 4.9
South Sandwich Islands region
Unknown · 2026-09-12 11:05 UTC
87.2 km
M 6.2
South Sandwich Islands region
Unknown · 2026-09-02 23:46 UTC
58.7 km
M 5.2
South Sandwich Islands region
Unknown · 2026-09-02 10:54 UTC
90.3 km
M 4.4
South Sandwich Islands region
Unknown · 2026-08-31 21:46 UTC
50.6 km
M 5.1
South Sandwich Islands region
Unknown · 2026-08-30 03:55 UTC
93.3 km
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