Plate tectonics loads a fault over centuries, but something else usually decides the moment it finally breaks. New research on California seismicity shows that groundwater cycles, stress from ...

Although earthquakes in Peru are mainly linked to its location in the so-called "Pacific Ring of Fire," where 85% of the ...

Add Yahoo as a preferred source to see more of our stories on Google. An unassuming, brownish stone may be one of the most precious objects on Earth. The rare rock, called Teghaza 001, is a piece of ...

Some theories were mocked not because they lacked evidence, but because they challenged what scholars thought they already knew. Alfred Wegener argued that continents moved decades before plate ...

Mount Everest’s summit contains 450-million-year-old marine fossils from an ancient seafloor; renewed discussion of the ...

A 7.4 magnitude earthquake struck Colombia. The tremor occurred at 7:34 local time, at a depth of 96 kilometers, with its epicenter in San José del Palmar, in the Colombian state of Chocó.

Ocean floor map interactive: Columbia's Lamont-Doherty Earth Observatory has released a free, scrollable version of the 1977 Heezen-Tharp World Ocean Floor map, the panorama that helped prove plate ...

Al Jazeera examines a decade of earthquake data to see how 2026 compares and explains how and where earthquakes strike.

While recently driving through the Arbuckle Mountains — at least in Oklahoma, we call them mountains — as so many times before, I was impressed by all the exposed geological ...

A Fredericktown geologist’s gravity-map analysis suggests a 124-mile ancient asteroid impact structure may lie beneath southeast Missouri, though research is ...

Cincinnati has become the center of the Ordovician universe. Cincinnati Museum Center’s invertebrate paleontology collection ...

The earthquake likely ruptured inside the sinking Nazca Plate. USGS says depth spread the shaking wide, felt by 10.5 million people.