The urban reef at Isla Verde supports various species of protected corals, sea turtles, and crustaceans, as well as many Caribbean fish. It also protects the International Airport and numerous homes and resorts on the coast.
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Isla Verde, San Juan, Puerto Rico
The urban reef at Isla Verde supports various species of protected corals, sea turtles, and crustaceans, as well as many Caribbean fish. It also protects the International Airport and numerous homes and resorts on the coast.
Wave-tide gauge off San Juan
Wave-tide gauge, pictured here on a coral reef amongst sea rods, brain corals, and sea fans, installed off Isla Verde in San Juan, Puerto Rico.
Wave-tide gauge, pictured here on a coral reef amongst sea rods, brain corals, and sea fans, installed off Isla Verde in San Juan, Puerto Rico.
A Rapid Deployment Gauge in Puerto Rico
This USGS Rapid Deployment Gauge was installed near Morovis, Puerto Rico, to monitor the Río Grande de Manatí after Hurricane Maria destroyed the permanent streamgage which typically monitors the river. USGS photo.
This USGS Rapid Deployment Gauge was installed near Morovis, Puerto Rico, to monitor the Río Grande de Manatí after Hurricane Maria destroyed the permanent streamgage which typically monitors the river. USGS photo.
LS Preliminary Puerto Rico
Excerpt of satellite image showing landslide impacts to roads, agriculture, and a reservoir in the Lares Municipality. Points identify the approximate location of roads visibly impacted by landslides. Image filename contains approximate latitude and longitude of this impact location.
Excerpt of satellite image showing landslide impacts to roads, agriculture, and a reservoir in the Lares Municipality. Points identify the approximate location of roads visibly impacted by landslides. Image filename contains approximate latitude and longitude of this impact location.
Documenting landslides in Puerto Rico caused by Hurricane Maria.
Documenting landslides in Puerto Rico caused by Hurricane Maria.Bill Schulz, USGS Research Geologist, takes photographs of Puerto Rican hillsides from a U.S. Army helicopter to document landslides caused by Hurricane Maria.
Documenting landslides in Puerto Rico caused by Hurricane Maria.
Documenting landslides in Puerto Rico caused by Hurricane Maria.Bill Schulz, USGS Research Geologist, takes photographs of Puerto Rican hillsides from a U.S. Army helicopter to document landslides caused by Hurricane Maria.
Reef-mounted instruments
Instrument package mounted to the seaward slope of a coral reef off southwestern Puerto Rico.
Instrument package mounted to the seaward slope of a coral reef off southwestern Puerto Rico.
Irrigation method in Santa Isabel, PR
Irrigation method in Santa Isabel, PR
Bird watching on the Quebrada Margarita
Bird watching on the Quebrada Margarita at Río Piedras, Puerto Rico
Bird watching on the Quebrada Margarita at Río Piedras, Puerto Rico
Topography and bathymetry map of the Northeastern Caribbean.
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.
Topography and bathymetry map of the Northeastern Caribbean.
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.
Seafloor map of Puerto Rico Trench
A NOAA image of the bathymetry north of Puerto Rico. Two ancient submarine landslides are visible as head scarps (labeled Loiza and Arecibo Amphitheaters). Seafloor fissures are indicated by black arrows, and dashed lines outline debris flows from past failures. Map annotated by Uri ten Brink, USGS
A NOAA image of the bathymetry north of Puerto Rico. Two ancient submarine landslides are visible as head scarps (labeled Loiza and Arecibo Amphitheaters). Seafloor fissures are indicated by black arrows, and dashed lines outline debris flows from past failures. Map annotated by Uri ten Brink, USGS
View of Dos Bocas reservoir, Utuado, Puerto Rico
View of Dos Bocas reservoir, Utuado, Puerto Rico
Washed out bridge on the Rio Grande de Arecibo, Puerto Rico
Washed out bridge on the Rio Grande de Arecibo, Puerto RicoWashed out bridge on the Rio Grande de Arecibo, Puerto Rico after Hurricane Georges, 1998
Washed out bridge on the Rio Grande de Arecibo, Puerto Rico
Washed out bridge on the Rio Grande de Arecibo, Puerto RicoWashed out bridge on the Rio Grande de Arecibo, Puerto Rico after Hurricane Georges, 1998
View looking up-stream toward Carraizo Dam, under drought conditions
View looking up-stream toward Carraizo Dam, under drought conditionsView looking up-stream toward Carraizo Dam in Loiza, Puerto Rico, under drought conditions.
View looking up-stream toward Carraizo Dam, under drought conditions
View looking up-stream toward Carraizo Dam, under drought conditionsView looking up-stream toward Carraizo Dam in Loiza, Puerto Rico, under drought conditions.