How Deep is the Puerto Rico Trench? 5.2 Miles Deep

In the early 2000s, scientists discovered a mud volcano in the Puerto Rico Trench that blasts saturated mud. The volcano is located at a depth of 4.9 miles (7,900 m).

Just forty-five miles of sea separate the U.S. Virgin Islands and Puerto Rico. Puerto Rico and the USVI sit atop towering submarine seamounts. If you drained the ocean around each island in the Caribbean archipelago, you’d be looking down from an enormous mountain. 

The University of the West Indies Seismic Research Centre

A Massive Trench

The Puerto Rico …