Latest news & updates from White Island
White Island volcano (New Zealand): series of steam explosions
Fri, 19 Feb 2021, 08:23
08:23 AM | BY: MARTIN
Lots of steam and gas at White Island volcano (image: Brad Scott/twitter)
The overall series of pulses lasted for about 100 minutes and were of a similar size to those recorded on 29 Dec last year. Visibility of the explosions was limited due to dark.
An increase of volcanic tremor has been recorded at about 21:00 local time yesterday that accompanied the event and seems to have lasted until 05:50 local time today as the explosions ended.
A gas flight from 18 February detected no changes in gas emissions since the earlier month and remain unchanged.
The Volcanic Alert Level remains at 1 and the Aviation Colour Code remains at Green that reflects the current level of volcanic unrest or activity.
The main plausible triggers for a sudden eruption remain the collapse of unstable material in an active vent and the possible ingress of water underground onto the shallow magma body.
Source: GeoNet New Zealand volcano activity update 19 February 2021
- All news about: White Island volcano
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Previous news
Wed, 3 Feb 2021, 07:51
Over the last year, a series of thermal infrared images have been regularly collected by helicopter to observe the temperature of steam and gas vents as reported GNS volcanological observatory. Temperatures have shown a gradual decline since the December 2019 eruption, from over 700 °C in February 2020 to 300 °C on 21 January 2021. The gas emission temperatures are now similar to temperatures measured in July 2018. ... read all
Wed, 30 Dec 2020, 09:50
A series of minor steam explosions from the active vent occurred at the volcano at about 15:00 local time yesterday detected by seismic instruments as the volcano observatory GeoNet reported. ... read all
Mon, 7 Dec 2020, 08:27
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. ... read all
Wed, 2 Dec 2020, 09:07
Based on camera footage, aerial observations and gas measurement flights, the amount of ash in the plume appears to have diminished over the last week and is no longer present in the near-persistent steam and gas plume as GeoNet reported. Over the past three weeks, ash has been emitted from the main vent at the back of the lake at Whakaari/White Island. This is consistent with the lack of ash being detected on recent MetService satellite images. The plume is now back to its light colour, composed of steam and volcanic gas, with little to no ash. ... read all
Tue, 24 Nov 2020, 16:46
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