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https://climate-science.press/2020/03/31/lots-of-volcanic-activity-worldwide-popocatepetl-merapi-ibu-dukono-reventador-sangay-iowa-climate-science-education/
LOTS of volcanic activity worldwide – Popocatépetl, Merapi, Ibu, Dukono, Reventador, Sangay… — Iowa Climate Science Education