Mt Ruapehu: Crater Lake heating to over 40°C VOLCANIC ALERT BULLETIN RUA – 2020/10Mon Dec 21 2020 12:15 PM; Ruapehu Volcano Volcanic Alert Level is raised to 2 Aviation Colour Code is raised to Yellow Crater Lake (Te Wai ā-moe) continues heating and is now 43 °C. The heating has been accompanied by bursts of […]