The Science Channel investigated a section of the valley and discovered many clouds of smoke pouring from beneath the ground. Using InSAR data that has been monitoring the region for the last 20 years, geophysicist Jared Peacock pointed out a worrying aspect of the caldera that might portend problems. InSAR is a remote sensing method that employs a laser to concentrate a beam of radiation on a target, bouncing back to a sensor on an antenna, providing a comprehensive map of a region. One of the most concerning sites in InSAR was near Mammoth Lakes, a hamlet in the Sierra...