For example, the 1991 eruption of Mount Pinatubo in the Philippines had a ... eruption is believed to be potentially the largest and most explosive volcano in the last 7,000 years.
Increasing volcanic activity at the over 11,000-foot-tall, snowcapped volcano in Alaska is likely a sign of its impending first eruption since 1992, experts say. Mount Spurr, located about 75 miles ...
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