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Some have multi-spectral fusion capability, where electro-optical and infrared imagery is combined to bring out unique details that neither can see alone.
A seismic signature of a previously undiscovered “hot zone” has been found beneath three of the most dangerous volcanoes in the world, just over in Washington – Mount Rainier, Adams, and St. Helens.
This is a strong indication that a huge body of molten material exists, but they note that “further detailed imaging of the crust along the length of the arc is needed to confirm the presence of [this hot zone].”