Ruapehu volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 7 September-13 September 2016 (Continuing Activity)
Wed, 7 Sep 2016, 06:00 06:00 AM | BY: VN
On 7 September GeoNet reported that the temperature of Ruapehu's summit Crater Lake had been declining, cooling to 12 ºC on 15 August which was the lowest temperature since the 1995/1996 eruptions, but had recently started to rapidly heat. The temperature began to slowly and variably rise in late August; however, by 2 September a rising trend was apparent. On 4 September tremor levels also increased, and remained elevated.The Volcanic Alert Level remained at 1 (minor volcanic unrest) and the Aviation Colour Code remained at Green.
Source: GeoNet
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From: Global Volcanism Program, 2016. Report on Ruapehu. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 7 September-13 September 2016. Smithsonian Institution and US Geological Survey.
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Wed, 10 Aug 2016, 06:00
Ruapehu volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 10 August-16 August 2016 (Continuing Activity)
GeoNet reported that the temperature of Ruapehu's summit Crater Lake had been declining since May. During an overflight on 10 August scientists recorded gas emissions at typical low background levels. The next day the lake water temperature was 12.6ºC, one of the lowest temperatures since the 1995/1996 eruptions. ... Read all
Wed, 29 Jun 2016, 06:00
Ruapehu volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 June-5 July 2016 (Continuing Activity)
On 5 July GeoNet reported that the elevated activity at Ruapehu had declined; gas emissions returned to baseline levels, volcanic tremor decreased to levels detected in the second half of 2015, and the temperature of the summit Crater Lake had declined from a high of 46 to 23 ºC. The Volcanic Alert Level was lowered to 1 (minor volcanic unrest) and the Aviation Colour Code was lowered to Green. ... Read all
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