Deep in Alaska’s Katmai National Park, a perfectly round, 1,600-foot-wide crater has puzzled scientists for decades. Known as ...
The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it was discovered.
A swarm of more than 100 shallow earthquakes at Alaska's Mount Spurr that began Sunday night and ran to Monday morning ...
Taal Volcano in Batangas province recorded two minor phreatic, or steam-driven, eruptions on Saturday and Sunday, according ...