Tsunami deposits identified in a coastal mangrove pond in Northwest Puerto Rico could have come from a megathrust earthquake at the Puerto Rico Trench that occurred between 1470 and 1530, according to ...

WASHINGTON — The tremors just keep coming. Puerto Rico continues to shake after a series of earthquakes disrupt life on the island. A search of earthquakes in the United States Geological Survey's ...

San Juan, Apr 9 (EFE).San Juan, Apr 9 (EFE). — Scientists from the U.S. National Oceanic and Atmospheric Administration began on Thursday a deepwater expedition to conduct the firstever exploration of ...

Following a series of smaller earthquakes, a magnitude 6.4 earthquake struck Puerto Rico early Tuesday morning killing one man and injuring at least eight others. The quake struck the southwestern ...

The most accessible part of the earth’s interior is at the ocean’s bottom, where the crust is thin. Project Mohole, the U.S. attempt to reach the boundary layer between the earth’s crust and mantle by ...