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'Moderate to heightened volcanic unrest': White Island alert raised to level 2


Moderate to heightened volcanic unrest : White Island alert raised to level 2
Newshub
14 hrs ago
© Geonet
Whakaari/White Island s Volcanic Alert Level has been raised to level 2, meaning there is moderate to heightened volcanic unrest .
The alert was raised from level 1 to 2 by GNS Science on Monday afternoon.
In a statement, GNS Science said the change in level acknowledged the uncertainty about what is driving current activity at the volcano .
Persistent observations of night glow on the web cameras indicate continued emission of high-temperature gases, duty volcanologist Yannik Behr said.
Continued decline of the carbon dioxide to sulphur dioxide ratio points to ongoing degassing of fresh magma. The Volcanic Alert Level has been raised to 2 and the Aviation Colour Code to Yellow. ....

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Series of overnight steam explosions at Whakaari/White Island


Series of overnight steam explosions at Whakaari/White Island
18 Feb, 2021 11:44 PM
2 minutes to read
A series of steam explosions have been observed at Whakaari/White Island early this morning - but scientists say activity on the off-shore island has returned to normal. Photo / Ben Fraser
A series of steam explosions have been observed at Whakaari/White Island early this morning - with some of the blasts of similar size to 2019 s disastrous blow.
GNS Science volcanologist Brad Scott described the activity, recorded from 2.20am, as short-lived, low-energy steam explosions.
Like the December 2019 blast at the offshore Bay of Plenty volcano which killed 22 people and left more than 20 others injured, these eruptions occurred without warning. ....

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Flight planned to keep eye on Ruapehu's heating crater lake


Scientists plan to keep a close eye on Mt Ruapehu’s warming crater lake after the volcanic alert level was raised to two on Monday.
When weather allows, they plan to make a plume gas measuring flight and collect a lake water sample via helicopter but both measures were dependent on an updated hazard assessment, duty volcanologist Michael Rosenberg told
Stuff on Thursday.
GeoNet monitors Mt Ruapehu via a network of seismic and acoustic sensors, satellite position receivers, and sensors in the lake, as well as physical visits to collect water samples, and flights to measure volcanic gases in the plume. ....

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