2015년 3월 16일 월요일

Listen to the pulse of an erupting volcano: Chile's Villarrica




Geologist Jeff Johnson working in the inner crater of Villarrica, an active volcano in Chile.Scientists use infrasound instruments to record volcano's "circulation"
More at http://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=134444&WT.mc_id=USNSF_1

This is an NSF Discoveries item.






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