The quakes come a week after a magnitude 7.0 earthquake hit off the coast of California with shaking felt for miles.

The U.S. sent one of its 11 aircraft carriers to the Philippine Sea, while another was at Yokosuka naval base in Japan.

Interferograms are images created by radar satellites that show how the ground has changed shape, or deformed, over time.

Burmese pythons, Cuban tree frogs and hundreds of additional species faced the potential to spread into new territories ...

Among species of concern that may have been spread by Helene and Milton are the giant applesnail and the Asian swamp eel ...

Scientists have a new method for studying faults that could improve earthquake forecasts, shedding light on where quakes ...

Giant City State Park is nature’s very own metropolis, where the skyscrapers are ancient sandstone bluffs, the streets are ...

Last week, about 60 miles off the coast near Ferndale, California, the tectonic plates shifted under the Pacific Ocean, sending seismic waves through the ocean floor that radiated onto land and were ...

The earthquake occurred at about 11.5 kilometers, or about 7 miles deep, in a fault zone called the Wabuska Lineament, and ...

In many ways, the magnitude 7.0 earthquake that struck about 60 miles west of Petrolia and rattled Humboldt at 10:44 a.m. on ...

Recent hurricanes and associated flooding may have transported hundreds of nonnative species into Florida and Georgia, ...

Some of the species likely to have spread include the Burmese python, giant applesnail and the Asian swamp eel.