During a rich epoch in women's mountaineering, we examine Dora Keen’s 1912 ascent of 4,996m Mount Blackburn in Alaska, the ...

the 20th century's largest volcanic event Houses multiple active volcanoes, including Mount Wrangell, one of the largest active volcanoes in North America Formed by the collapse of Mount Mazama ...

Eastward from the current arc, and separated from it by several hundred miles, lie the Wrangell ... from the volcanic vents. The largest eruption in the last 100 years was the 1911 Mount Katmai ...