Unified Interior Regions

Puerto Rico

We conduct impartial, multi- and interdisciplinary research and monitoring on a large range of natural-resource issues that impact the quality of life of citizens and landscapes of the Southeastern United States and the Caribbean region.

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video thumbnail: Climate Connections: Questions from Puerto Rico
October 31, 2011

Climate Connections: Questions from Puerto Rico

America has questions about climate change, and the USGS has real answers. In this episode of Climate Connections, USGS scientists answer questions gathered from Puerto Rico. Questions include:

- Why has the rainy season been so long in Puerto Rico?
- How is global warming impacting the island of Puerto Rico?
- What are solar storms and are they

Topography and bathymetry map of the Northeastern Caribbean.
December 31, 2010

Topography and bathymetry map of the Northeastern Caribbean.

Map of the Northeastern Caribbean: topography is in shades of green and bathymetry in shades of blue. Fault traces are shown as lines with the following descriptions: barbed=thrust fault; solid=strike-slip fault with arrows showing relative direction of motion; black and white=normal fault. Faults outlined in red have a potential to generate a large earthquake. The arrow

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View looking up-stream toward Carraizo Dam, under drought conditions, 1994
December 31, 1994

View looking up-stream toward Carraizo Dam, under drought conditions

View looking up-stream toward Carraizo Dam in Loiza, Puerto Rico, under drought conditions.