Ruapehu volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 June-12 June 2018 (New Activity / Unrest)
On 5 June GeoNet reported that a new heating cycle at Ruapehu's summit Crater Lake began, as indicated by a recent rise in the water temperature. The increasing lake temperature began 29 May, at a rate of about 1°C per day. Volcanic tremor also increased, representing a greater flow of hydrothermal fluids into the lake.
Mi, 6. Jun 2018, 06:0006:00 AM | VON: VN
Many heating and cooling cycles have occurred in the past; the current cycle does not indicate an unusual sign of unrest. The Volcanic Alert Level remained at 1 (minor volcanic unrest) and the Aviation Color Code remained at Green.
From: Global Volcanism Program, 2018. Report on Ruapehu. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 6 June-12 June 2018. Smithsonian Institution and US Geological Survey.
Mo, 7. Nov 2016, 15:23
Volcanic tremor (which is normally present at the volcano) has increased a notch since mid October, but not enough to trigger a raise in alert status of the volcano (which remains at level 1). New Zealand's GNS Science issued a note but does not expect the volcano to erupt soon. ... Read all
Fr, 9. Sep 2016, 23:02
After reaching record-low temperatures in August, the volcano's closely-monitored crater lake has started to heat up very quickly since 2 September, Geonet reported. ... Read all