As Stanley Williams now tells it, he knew there was danger in leading an expedition of scientists into the throat of the Colombian volcano known as Galeras. After all, it was one of the most active in South America, with a history of violent eruptions dating back to the Spanish conquistadores. But the mountain seemed calm that fateful morning in January 1993 when Williams and 11 other volcanologists hiked over Galeras' rim to take its pulse--measuring tiny fluctuations in tilt, gravity, gas emissions and other signs of volcanic life. The scientists and a handful of tourists were spread out across the...
The Crater Of Death
Two new books about an expedition into an active volcano tell stories that couldn't be more different
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