(photoz/Canva) 'Extinct' volcanoes that haven't erupted for tens of thousands of years may not actually be inactive, but silently accumulating huge reservoirs of magma to fuel future outbursts. This ...

For centuries, Mount Taftan has been considered dormant volcano, a quiet sentinel in the Makran region of southeastern Iran. But recent satellite data shows subtle signs of swelling at its summit, ...

Geologists monitoring the Yellowstone supervolcano and adjacent western US volcanic systems have detected increased ground deformation, elevated gas emissions, and a cluster of small earthquakes that ...

Around 800 million years ago, during the Tonian period, the Yangtze Block in South China experienced significant tectonic activity, in which the ancient supercontinent Rodinia broke off from the area ...

Geology of the Coamo Area, Puerto Rico, and its relation to the volcanic arc-trench association / by Lynn Glover III ; prepared in cooperation with the Commonwealth of Puerto Rico Economic Development ...

While the USGS scientists learned plenty about volcanism in El Salvador during this trip, it also provided key insights to ...

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists ...