YELLOWSTONE volcano’s Steamboat Geyser spat plumes of boiling water and steam for more than an hour this week – but is it a sign of increased volcanic activity?
Thursday, 20 September 2018
Yellowstone volcano activity: Steamboat Geyser blast lasts ONE HOUR - What does this mean?
YELLOWSTONE volcano’s Steamboat Geyser spat plumes of boiling water and steam for more than an hour this week – but is it a sign of increased volcanic activity?
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