YELLOWSTONE volcano scientist Ken Pierce warned of “heavy breathing” occurring below the caldera, but admitted he was not entirely sure what it was.
Tuesday 1 October 2019
Yellowstone volcano: USGS warning over unknown 'heavy breathing' below caldera revealed
YELLOWSTONE volcano scientist Ken Pierce warned of “heavy breathing” occurring below the caldera, but admitted he was not entirely sure what it was.
0 comments:
Post a Comment