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Ruapehu volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 11 May-17 May 2016 (New Activity / Unrest)

Wed, 11 May 2016, 06:00
06:00 AM | BY: VN
On 17 May GeoNet reported that the lake temperature of Ruapehu's summit Crater Lake had decreased from a high of 46 degrees Celsius to 39 degrees, with some of the decrease attributed to rain and snowfall. Moderate levels of volcanic tremor continued, and analysis of water samples collected the previous week showed no changes in the lake chemistry. During recent visits, scientists measured a larger output of volcanic gases.
The Volcanic Alert Level remained at 2 (moderate to heightened unrest) and the Aviation Colour Code remained at Yellow.

Source: GeoNet
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From: Global Volcanism Program, 2016. Report on Ruapehu. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 11 May-17 May 2016. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 4 May 2016, 06:00

Ruapehu volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 4 May-10 May 2016 (New Activity / Unrest)

GeoNet reported that a volcanic earthquake swarm beneath Ruapehu's summit Crater Lake was detected during 25-26 April. This type of swarm has been uncommon at the volcano in recent years, when volcanic tremor has dominated the seismicity. In addition, the crater lake water temperature had been rising since late 2015, from 25 degrees Celsius to 40 degrees in the last half of April. ... Read all
Sat, 30 Apr 2016, 05:42

Ruapehu volcano (New Zealand): earthquake swarm

Seismic recording at Ruapehu volcano today (Far West station / Geonet)
An earthquake swarm has been occurring at the volcano since 26 April. ... Read all
Show more
Ruapehu volcano sat by (c) Google Earth View
Ruapehu volcano sat by (c) Google Earth View
Ruapehu volcano
Stratovolcano 2797 m / 9,176 ft
North Island (New Zealand), -39.28°S / 175.57°E
Current status: normal or dormant (1 out of 5) Ruapehu volcano eruptions:

Typical eruption style
Mildly explosive, formation of lahars
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