Images

USGS research geologist Jason Chaytor (L) and marine technicians Alex Nichols (center) and Eric Moore (R) deploy the “sparker” sound source on a seismic research cruise off the southwest coast of Puerto Rico aboard the R/V Sultana in March 2020.

The U.S. Geological Survey has released a report on the potential duration of aftershocks of the 2020 Southwest Puerto Rico earthquake sequence (series) to guide public policy decisions, other actions, and help people stay safe and care for themselves and each other.

El Servicio Geológico de los EE. UU. ha publicado un informe sobre la duración potencial de las réplicas de la secuencia (serie) del terremoto del Suroeste de Puerto Rico en el 2020 que puede ser usado como guía en las decisiones de política pública, otras acciones y ayudar a las personas a mantenerse seguras y cuidarse a sí mismas y a los demás.

Dianne López-Trujillo with Lynne Carrier, FEMA translator.

The USGS Recognizes Dianne Lopez-Trujillo During Hispanic Heritage Month

What happens when a 6.4 magnitude earthquake strikes Puerto Rico and the public needs critical information? How does a mostly English-speaking science agency reach a mostly Spanish-speaking public?

Overview of the Congressional event following the 6.4 earthquake in Puerto Rico. Bottom of picture: congressmen. Center: Dianne Lopez, Lindsay Davis, Donyelle Davis

One of the houses destroyed during the 6.4 earthquake in Puerto Rico. 

Congressional event following the 6.4 earthquake in Puerto Rico held on Jan. 20, 2020. Dr. Jonathan Godt (USGS) and Dr. Elizabeth A. Vanacore (Red Sismica Puerto Rico) answered questions to congressmen: Yauco's major, Bill Posey, Jenniffer González Colón, Stephanie Murphy, Donna Shalala

Part of the USGS Earthquake Response Team visiting areas affected by the 6.4 earthquake. Place: Guánica Boardwalk. From left to right: Donyelle Davis, Dianne López, Jonathan Godt, Alex Grant

USGS team with Wanda Vazquez-Garced, governor of Puerto Rico. From left to right: Lindsay Davis, Wanda Vazquez, Dianne Lopez-Trujillo, Jonathan Godt, Donyelle Davis, Alex Grant

This historic brick Studebaker Building, originally built in 1925, was chosen as the location for the USGS St. Petersburg Coastal and Marine Science Center in the late 1980s.

Animation comparing a natural color Landsat 8 satellite image of Atlanta, GA with satellite-based surface temperatures. Buildings and impervious surfaces trap heat, leading to higher temperatures in urban areas - a phenomenon generally referred to as the Urban Heat Island effect.

The Georgia chapter of the Minerals Yearbook Volume II - Area Reports, Domestic - contains data and information on the nonfuel mineral commodities produced in Georgia including a generalized map of principal mineral commodity producing areas. The map is included in the PDF version; both PDF and XLS versions of text and data are available.

Groundwater in aquifers between layers of poorly permeable rock, such as clay or shale, may be confined under pressure.

A commercially caught wild black carp from the Mississippi River. Credit: USGS.

Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP – A tethered acoustic Doppler current profiler (ADCP) is pulled through a cross section of Rio de La Plata near Toa Alta, Puerto Rico, September 25, 2019.

Stream gaging in Puerto Rico after Tropical Storm Karen: computer – Gage height and precipitation data recorded by sensors and measured manually are logged into an electronic notebook, September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: downstream control – The pool pictured is almost twice it’s normal size and depth after Tropical Storm Karen passed the island, September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: finishing the visit – Manuel Rosario, with the Caribbean-Florida Water Science Center, walks to the gage house after completing a discharge measurement September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: Crest Stage Gage – The distance of a cork line from a known gage height is measured September 25. The cork line was left on a crest stage gage after a high flow event.

Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house – Manuel Rosario, with the Caribbean-Florida Water Science Center, checks the sensors in the gage house September 25.

Stream gaging in Puerto Rico after Tropical Storm Karen: computing gage height – Manual Rosario does some math required to compute the gage height September 25.