A volcano that erupted after being asleep for more than 100,000 years is leading more volcanologists to say we must redefine volcano activity to ensure eruptions don't surprise us.
Volcanoes don't operate on human timescales. They may go quiet for centuries, only to rumble to life with devastating eruptions. Their eruptions may last for days or decades, and it's often hard to ...
Most people think of volcanoes as either erupting or not. The reality is considerably more unsettling. The classification of ...
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