Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

Dozens of mini earthquakes have struck near a 11,000-foot-tall volcano in Alaska that experts fear is 'moving closer to an eruption.' The Alaska Volcano Observatory (AVO) has detected 55 earthquakes ...

Scientists warn of a one-in-six chance of a catastrophic volcanic eruption this century. A blast of this scale could disrupt ...

The scientists used a climate model to simulate eruptions that injected up to 160 million tonnes of sulfur into the stratosphere. The largest volcanic event of the past 6,000 years was the eruption of ...