Active-Source Seismic Experiment Confirms the Magma Pathway of Mount Asama, Japan

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Abstract

Large volcanic eruptions result from the ejection of magma transported from depth. How the magma is transported to the surface is one of the fundamental questions in understanding how a volcano works. A way to address this question is to explore the seismic structures of volcanoes.

One volcano that is well surveyed and instrumented through a variety of global positioning system and seismic networks is Japan's Mount Asama. Because of this, scientists were able to conduct an active-source seismic experiment on this volcano with the goal of mapping volcanic conduits (see Figure 1).

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