El Hierro Volcano Takes a Rest

Satellite image of the sumbarine eruption off El Hierro Island — NASA's Earth Observing-1 (EO-1) satellite snapped this image of the submarine eruption off El Hierro Island, one of the Canary Islands, on Feb. 10, 2012.

(Image credit: NASA Earth Observatory)

Rumblings at El Hierro volcano have quieted, allaying fears of a new underwater eruption at the Canary Islands peak.

Today (April 10), the government's volcano monitoring agency (Pevolca) lowered the volcanic risk to green, or normal. The announcement follows the gradual decrease in earthquakes since April 5 and lower carbon dioxide gas emissions since April 1, the agency said in a statement.

El Hierro, an underwater volcano just offshore of the island of El Hierro, has rattled residents with more than 2,300 small quakes since March 18, the largest of which, a magnitude 4.9, struck on March 31. The earthquakes, rising gas emissions and deformation on part of the island suggested magma was rising toward the surface. On March 27, Pevolca closed a railroad tunnel and some roads because of landslide risks. Today's announcement reverses the closures.

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Becky Oskin covers Earth science, climate change and space, as well as general science topics. Becky was a science reporter at Live Science and The Pasadena Star-News; she has freelanced for New Scientist and the American Institute of Physics. She earned a master's degree in geology from Caltech, a bachelor's degree from Washington State University, and a graduate certificate in science writing from the University of California, Santa Cruz.