English 1957 Andreanof Islands earthquake Cited by user SamBroGaming on 31 Dec 2022 The 1957 Andreanof Islands earthquake took place on March 9 with a moment magnitude of 8.6 and a maximum Mercalli intensity of VIII (Severe).
English Megathrust earthquake Cited by user Kent G. Budge on 07 Oct 2021 Megathrust earthquakes occur at convergent plate boundaries, where one tectonic plate is forced underneath another.