Latest news & updates from White Island

White Island volcano (New Zealand): Volcanic Alert Level lowered to Green

The alert level for the volcano was lowered to "green", as an observation flight on 2 December confirmed that ash emissions from the volcano has now stopped.
Observations and monitoring data over the last 2 weeks indicate that Whakaari/White Island has been progressing on a gradual trend back to lower levels of volcanic unrest that are typical of the long-term behaviour of the volcano. Satellite observations in the last week have also not detected any ash in the steam plume. Hot steam and gas emissions continue from the active vents.
A gas measuring flight on 2nd December showed that the main volcanic gases, carbon dioxide (CO2) and sulfur dioxide (SO2) have returned to lower levels, like those seen in September.
A decrease of seismic activity has been recorded over the past two-three weeks. The low-level volcanic tremor continues.
Ground deformation data from satellite measurements indicate continued subsidence around the active vent area at the back of the crater lake as well as ongoing local subsidence of the Main Crater wall, south and west of the 2019 active vents.
Source: GeoNet New Zealand volcano activity update 7 December 2020

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