To study California’s largest active volcano, scientists first have to climb it

Mount Shasta presents a unique challenge that most other active volcanoes don't for USGS scientists. The only place to sample ...
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One Southern California nature preserve boasts a scenic lake with volcano hiking trails

Tucked away in California's coastal city of Carlsbad, Calavera Nature Preserve is a surprisingly scenic destination. This 110-acre preserve is home to the stunning man-made Lake Calavera, a series of ...