Weeks after being rattled by thousands of mostly small-scale earthquakes, the island of Santorini, the jewel in the crown of Greece’s tourism sector, is determined to return to business as usual — even as the quake phenomenon remains a mystery.…

Weeks after being rattled by thousands of mostly small-scale earthquakes, the island of Santorini, the jewel in the crown of Greece’s tourism sector, is determined to return to business as usual — even as the quake phenomenon remains a mystery.…
When the fuming and rumbling at Mount Spurr, a giant volcano northwest of Anchorage, started picking up in October, Alaska’s volcano monitoring agency raised its alert level to ensure that nearby communities and passing airplanes would have ample warning of…
Thousands of tourists have stormed the snowy slopes of Sicily’s Mount Etna in recent weeks, congesting roads and obstructing the paths of rescue crews, the Italian authorities said, despite their efforts to keep people safely away from explosive lava flows.…