Tongariro volcano (New Zealand): field report from 5 Nov and measurements - elevated degassing
On 5 November, GeoNet reported that several teams of scientists had been visiting Tongariro's Te Mari Craters to service portable seismometers (complementing four permanent installations), sample gas vents, and collect samples of ejecta.
Thu, 15 Nov 2012, 06:5206:52 AM | BY: T
The report noted that not many earthquakes had been recorded recently, and that the hottest gas vent was 235 degrees Celsius while the others ranged from 95-104 degrees. On 30 October the sulfur dioxide flux was 154 tonnes per day and the carbon dioxide flux was 477 tonnes per day. The volcano continued to actively degas. The Aviation Colour Code remained at Yellow and the Volcanic Alert Level remained at 1 (signs of volcano unrest).
Sat, 10 Nov 2012, 08:58
Compared to most previous weeks and months, seismic activity at the volcano has been calm the past days. ... Read all
Wed, 7 Nov 2012, 08:16
The volcano continues to show increased degassing mainly from the Te Maari eruption site. The hottest temperature measured from gas vents in this area was 235 °C, while others range from 95 °C to 104 °C (GeoNet). Seismic activity overall has remained low with only few earthquakes. GeoNet maintains alert level 1 and aviation color code yellow. ... Read all