Seismic Activity -Puerto Rico has had earthquakes
Terrain - Mostly mountains in the north with sandy beaches along coast
Forests -Away from the coastline you can find forest but most of it has disappeared because of the cities being built.
Rivers and seas - Has more than 50 rivers and is located by the Caribbean Sea.
Mountains -Puerto Rico is mostly made up of mountains in the interior of Puerto Rico
Deserts-Puerto Rico has Deserts that are found in the low lands