PYROCLASTIC FLOWS - fast-moving masses of dense, destructive ash, gases, and lava ejected from volcanoes. These currents typically flow down the slopes of volcanoes at high speeds, sometimes moving as quickly as 450 mph.
MAGMA - a molten or semi-molten rock material originating under the Earth’s surface. It frequently collects in underground chambers that may feed into volcanoes. When magma is extruded onto the Earth’s surface, it becomes lava. Temperatures of magma can reach 1300 to 2400 degrees Fahrenheit.
FUMAROLE - an opening in the Earth’s crust that releases hot steam and gases from beneath the surface. Typical gases include carbon dioxide, sulfur dioxide, hydrogen chloride, and hydrogen sulfide.
SO2 - the chemical formula of sulfur dioxide, a toxic gas with a pungent odor. Sulfur dioxide is a traceable component…
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Drone 360 (Digital) - 1 Issue, October 2017