How big is the Pacific Ring of Fire? The Ring of Fire dominates the Pacific Ocean. It's a string of at least 450 active and dormant volcanoes that form a semi-circle, or horse shoe, around the ...
Central America stretches precariously thin. Looking at it on a map, the isthmus linking Mexico to Colombia tapers progressively as it reaches southward. At its end, it covers around 30 miles in width ...
Once again, Iceland's volcanoes are making their presence known. The tourist-attractive island is home to 130 volcanic cones and 26 historically active volcanoes. One of these has been awakened from ...