Charleston Harbor Deepening Awaits Approval from Congress

Charleston Harbor waiting authorization from Congress for deepening.

Puerto Rico Trench

Deepest Trench in the Atlantic Ocean

The Puerto Rico trench extends 497 miles and according to the NOAA is the deepest trench in the Atlantic Ocean reaching a depth of 5.2 miles. The trench is sloped into a SE direction alongside Hispaniola, Puerto Rico, the US Virgin Islands and Antigua and is formed with the merging of the North American Plate and the Caribbean plate. The Puerto Rico Trench is capable of producing earthquakes greater then a magnitude of 8.0 and is interestingly known for the most negative gravity anomaly found on earth. According to a 2007 survey USGS Puerto Rico and the US Virgin Islands now stand at a 33-55% chance of seismic activity occurring along the trench.

The Panama Canal Expansion
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