This volcanic arc delineates the boundary between the Pacific and North American tectonic plates. A subduction zone, composed of the deep Aleutian Trench coupled with a landward line of volcanoes ...

Mount Spurr is a prominent feature within the Aleutian volcanic arc, an area created by the subduction of the Pacific Plate beneath the North American Plate. This geological phenomenon leads to ...

Geologists are closely monitoring Mount Spurr in the Aleutian Arc of Alaska, USA, after continued volcanic unrest. The Alaska Volcano Observatory (AVO) monitoring the situation says that an ...

According to the team at the Alaska Volcano Observatory, "significantly elevated" emissions of volcanic gas have been detected at the volcano - the tallest in the Aleutian Arc - this month ...

'Myers, J.D., B.D. Marsh, C.D. Frost and J.A. Linton, 2001, Petrologic constraints on the spatial distribution of crustal magma chambers, Atka Volcanic Center ...

Scientists at the Alaska Volcano Observatory measured "significantly elevated" emissions of volcanic gas coming from Mount Spurr, located in the Aleutian Arc in southern Alaska about 75 miles west ...