Monitoring

Listening to pulses deep below

To better understand volcanoes and forecast potential eruptions, scientists use a variety of equipment that monitors seismicity, ground deformation, gas emissions, and chemical analysis.

Seismic Activity

When magma moves underground, it creates pressure and fracturing in the surrounding bedrock. The intense pressure of the moving magma shoves surrounding material out of its way; generating seismic waves that travel through the Earth’s crust.

Gas Emissions

The closer the magma gets towards the surface, gas emissions begin to increase from the cracks that formed during ground deformation. Sulfur Dioxide (SO2) gas emissions usually increase prior to an eruption.

Ground Deformation

As magma pushes its way up towards the surface, it creates pressure undereath the volcano, causing the ground to rise and deform from its original state. Once the magma gets closer to the surface, more cracks begin to appear. This is a sign of an impending eruption.

Winter Sports

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Why Outdoor Adventure

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What You Get

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