After a year of explosive episodes, the summit continues inflating with fountaining possible as early as Wednesday.
Morning Overview on MSN
'Eruption likely': US's most dangerous volcano stirs near major city
On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the ...
A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around ...
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