Mega-Tsunami.

In this scenario, a volcanic eruption on the island of La Palma triggers a massive landslide wherein a sizable portion of the island collapses into the sea, causing a massive mega-tsunami to race across the Atlantic ocean and strike the east coast of the United States, inundating most of New York City, but leaving many buildings intact

In this scenario, a volcanic eruption on the island of La Palma triggers a massive landslide wherein a sizable portion of the island collapses into the sea, causing a massive mega-tsunami to race across the Atlantic ocean and strike the east coast of the United States, inundating most of New York City, but leaving many buildings intact.