As scary geological events become more frequent due to climate change, the potential for disrupted travel is an increasing ...

In 1669, in what has been considered the volcano's worst known eruption, lava buried a swath of Catania, about 15 miles away ...

The 1980 eruption of Mt. St. Helens — which began with a series of small earthquakes in mid-March and peaked with a cataclysmic flank collapse, avalanche, and explosion on May 18 — was not the largest ...