Survey of 1,800-plus 'young' volcanoes in the US Southwest

Study reports on monogenetic volcanoes younger than 2.58 million years More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=303925&WT.mc_id=USNSF_1 This is a Research News item.
Source: NSF Discoveries - Category: Science Source Type: research
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