Beneath Yellowstone lies a magma reservoir, pulsing with molten and superheated rock and exsolved gases. Scientists have long ...

Understanding the earthquake history of a region is key to estimating seismic hazard. To help with this task, geologists look ...

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MANILA, Philippines (AP) — A restive Philippine volcano briefly erupted Tuesday on a central island, sending a 4-kilometer (2.4-mile) plume of ash and debris into the sky and forcing authorities ...