Tourist influx at Sicily’s Mount Etna is blocking rescue workers, authorities say
A week of spectacular lava sprays on Sicily’s snow-capped Mount Etna, one of the world’s most active volcanos, has drawn thousands of people wanting to see the eruption.
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Tiny Quakes Discovered Deep Within Greenland’s Ice Sheet Could Change Sea-Level Rise Predictions, Study Suggests
While scientists once thought Greenland's ice streams flowed slowly and uniformly, new research reveals a quake-driven "stick ...