Huge underwater volcano off US coast set to erupt this year after 'swelling' spotted ...
The Axial Seamount volcano, 470km off the Oregon coast, is set to erupt in 2025, with the volcano displaying tell-tale signs ...
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'Mystery volcano' that erupted and cooled Earth in 1831 has finally been identified
Examination of the Greenland ice cores revealed that in 1831, sulphur fallout - a sign of volcanic activity - was about ...