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 ...

When a volcano that has slept for centuries suddenly roars back to life, the first clear view no longer comes from a ship or a nearby village, but from orbit. Earlier this year, a NASA satellite ...

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 ...

WELLINGTON, New Zealand — The tsunami threat around the Pacific from a huge undersea volcanic eruption has begun to recede, while the extent of damage to Tonga remains unclear. The eruption on ...

Less than a week after a massive 8.8-magnitude earthquake sparked tsunami warnings throughout the Pacific Ocean, a volcano in far eastern Russia, on Sunday, spewed hot ash miles into the sky, marking ...