Don R Swanson

Eruption could hurl rocks 'the size of cows' from summit crater, scientists warn

• "If an explosion happens, there's a risk at all scales. If you're near the crater within a half a mile or so, then you would be subject to a bombardment by ballistic blocks weighing as much as 10 or 12 tons," said Don Swanson, of the Hawaiian Volcano Observatory.
• Date: May 10, 2018
• Category: U.S.
• Source: Google