Uptick in earthquakes could signal possible eruption at Alaska's Mount Spurr volcano
An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.
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Yellowstone crater movement sparks fears of supervolcano explosion
Scientists investigating the Yellowstone supervolcano have discovered movement deep in the crater, sparking fears ... according to the US Geological Survey (USGS). Basaltic magma erupts more ...