Video / GNSMonitoring the crater lake helps scientists to calculate the volcanic alert level of Ruapehu. Video / GNSMt Ruapehu's crater lake temperature has again cooled after a period of heightened temperatures earlier this year. Geonet duty volcanologist Agnes Mazot said the temperature was now sitting at a cooler 26C after the crater lake temperature rose to 43C in December last year and to 40C later in April. Mt Ruapehu's crater lake has again cooled to 26C after rising to a height of 40C in April. "The volcanic alert level should not be used to forecast future activity; however, at volcanic alert level 1, eruptions are less likely than at volcanic alert level 2."

Source: New Zealand Herald June 08, 2021 04:18 UTC