Article: Big shocks push volcanoes over the edge.(scientists look or correlation between earthquakes and volcano eruptions)

Earthquakes and volcanoes are alike in at least one way: They cluster along the margins where tectonic plates grate against each other as they move across the planet. Yet scientists have had little evidence that one earth-shaking event can trigger the other. Now, Alan T. Linde and I. Selwyn Sacks of the Carnegie Institution of Washington (D.C.) say that some of the world's most powerful quakes seem to set off volcanic eruptions.

A handful of researchers previously have tried to link individual shocks and eruptions, but "you could never be sure they weren't just coincidences," Linde says. There is one link between a quake and a volcano that everyone agrees was no ...

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