Gempa M 4.8 dekat Samudra Atlantik Selatan (South Georgia and the Islands) — 1991-07-04
Gempa bermagnitudo 4.8 dekat Samudra Atlantik Selatan (2833 km TL, South Georgia and the Islands), kedalaman 10 km. Guncangan dirasakan 0 orang. Hasil ukur seluruh badan, kota terdampak, dan rangkaian gempa susulan.
Samudra Atlantik Selatan (2833 km TL, South Georgia and the Islands) — -34.132, -14.227
