Gempa M 4.6 di AS (St. George) — 20 April 1991

Gempa M 4.6 di AS (St. George) — 20 April 1991. Episentrum 128 km di timur laut St. George, kedalaman 10 km. Guncangan dirasakan ~419 rb orang. Hasil ukur seluruh badan, kota terdampak, dan rangkaian gempa susulan.

128 km di timur laut St. George (AS) — 38.0723333, -112.7875

Utah, AS

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