An abnormally slow rupture Destroying at the Sunda Trench and a tsunami Catastrophe that was unusually strong relative Protest to the size of the earthquake Catastrophe were both factors that led to Causation it being categorized as a tsunami Catastrophe earthquake Catastrophe .

The region is one of many earthquakes Catastrophe , where the Cocos Plate is being subducted along the Middle America Trench beneath the North American and the Caribbean Plates , near their triple junction .

On 8 October , attacks by the 1st Canadian Division and the 3rd Canadian Division on Regina Trench also failed .

They were located off the coast along the Middle America Trench , more than away , but the city suffered Bodily_harm major damage Damaging due to its large magnitude and the ancient lake bed that Mexico City sits Placing on .