mt.ruapehu

Recent activity at New Zealand’s Ruapehu volcano has shown an increase in the temperature of the summit Crater Lake, known as Te Wai ā-moe, rising to more than 30 °C (86 °F) and consistent with heat flow into the lake of about 150-200 MW. Despite this, the level of volcanic unrest activity remains low, with monitoring indicators remaining within the normal range for this type of activity. The Volcanic Alert Level remains at Level 1 and the Aviation Color Code remains Green, indicating a low risk of eruption.

High levels of volcanic gas emissions and strong volcanic tremor continue at New Zealand’s Ruapehu volcano. The Crater Lake (Te Wai ā-moe) temperature has risen to 41 °C (105.8 °F) and steam plumes can be observed in cold, still atmospheric conditions. The volcano is still at a heightened level of unrest. The Volcanic Alert Level remains at 2, with greater chances of eruption over the next four weeks than at Volcanic Alert Level 1.

ls of volcanic unrest continue at New Zealand’s Ruapehu volcano. This is primarily manifested as strong volcanic tremor, slowly rising Crater Lake (Te Wai ā-moe) temperatures and high gas outputs. These changes indicate magma may now be driving the unrest, increasing the chances of further activity. The Volcanic Alert Level remains at Level 2.

A short-lived episode of volcanic earthquakes occurred beneath Mt. Ruapehu on February 22 and 23, 2020. The sequence now appears to be over​. The Volcanic Alert Level, therefore, remains at Level 1. The last known eruption of this volcano took place in 2007 (VEI…