Ruapehu volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 September-23 September 2008 (Continuing Activity)
On 18 September, GeoNet reported that the temperature of Ruapehu's summit crater lake had increased to 22.5 degrees Celsius, up from 16 degrees Celsius in August. Levels of sulfur dioxide and carbon dioxide also increased. Tremor was detected.
Wed, 17 Sep 2008, 06:0006:00 AM | BY: VN
GeoNet stated that the cyclic nature of the crater lake temperature and gas flux from Ruapehu was common; the Volcano Alert Level remained at 1 (some signs of volcano unrest).
From: Global Volcanism Program, 2008. Report on Ruapehu. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 17 September-23 September 2008. Smithsonian Institution and US Geological Survey.
Sat, 21 Jun 2008, 11:54
Elevated gas output and high lake temperatures continue, while volcanic tremor has declined. Unrest continues at Ruapehu and it remains unclear if this is a sign of further eruptions. The volcano last erupted on September 25 2007. The Alert Level remains at Level 1. ... Read all
Thu, 18 Oct 2007, 15:56
The Alert Level at Ruapehu was lowered to 1 (on a scale of 0-5) on 9 October because no further eruptions have occurred since the activity on 25 September. ... Read all