Sentences with phrase «volcanic plumes above»
It has recorded towering volcanic plumes above Jupiter's moon Io, gathered evidence that Europa might have an ocean beneath its icy carapace, and investigated the intense radiation environment near Jupiter.
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The team charted the spread of several plumes across the northern hemisphere as summer approached and noted that they seemed to originate above volcanic regions.
In fact, this study showed that all regions with above - average temperature are located near volcanic hot spots, which points to mantle plumes as the culprit for the excess volume of magma in these areas.
A plume of hot rock might rise from just above the 670 to form a volcanic hot spot like Hawaii.
The volume of ash deposited, and the estimated height of the eruption plume (43 kilometers above sea level) put the eruption's magnitude at a minimum of 7 on the volcanic explosivity index (which has a scale of 1 to 8)-- making it one of the largest known in the Holocene.