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Lead up to volcanic eruption in Galapagos captured in rare detail

Hours before the 2018 eruption of Sierra Negra, the Galápagos Islands’ largest volcano, an earthquake rumbled and raised the ground more than 6 feet in an instant. The event, which triggered the eruption, was captured in rare detail by an international team of scientists, who said it offers new insights into one of the world’s most active volcanoes.

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Seismology field crew recovering a seismic station at Sierra Negra caldera, Galapagos Islands, Ecuador.