Antarctic field trip a factor in ship becoming trapped in sea ice on Christmas Eve: "A passenger standing near Professor Turney overheard the voyage leader, Greg Mortimer, telling him over the radio to bring passengers back to the ship so it can leave.
But minutes later, Professor Turney drove six more passengers into the field.
The overloaded vehicle had no space to collect returning passengers."
Spectacular eruption of Mount Tavurvur in Papua New Guinea
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