Puerto Rico
The Greater Antilles are a group of larger islands in the Caribbean Sea. They include 4 major islands – Cuba, Jamaica, Hispaniola and, the smallest, Puerto Rico.
Earthquakes, as the tectonic plates move pressure can build up and result in earthquakes.
It is "Jupiter" with the thickest atmosphere and largest planet , plus its density that smoothly varies from zero to the density of liquid hydrogen .
Gravels are the largest particles formed from the breakdown of rocks.
Hope this helps!
By ocean currents is the answer to your question