A tsunami triggered by a volcanic eruption decimated some islands of the South Pacific nation of Tonga. The crushing effect on land and infrastructure can be seen from outer space. Three of Tonga’s ...

Earthquakes and tsunamis in the news over the past few days are a reminder that we live on a dynamic planet with different hazards and associated response times. While tsunamis generated by large, ...

Aerial images show the devastation in Tonga left behind after a violent offshore volcanic eruption sparked a tsunami and clouded the sky with ash. Communications with the island nation have largely ...

“Sustained lava fountains approximately 50–100 feet (15–30 meters) in height are currently erupting from the north vent,” the ...

One of the strongest earthquakes ever recorded rocked Russia's remote far-eastern coast on Wednesday, sending tsunami waves towards Japan, Hawaii and the west coast of the US and triggering evacuation ...

UNIVERSITY PARK, Pa. — For people living near volcanoes, danger goes well beyond lava flows and clouds of ash. Some explosive eruptions can lead to dramatic collapses of the sides of a volcano, like ...