GeoLog

fumaroles

Imaggeo On Mondays: Sulphur volcano

Imaggeo On Mondays: Sulphur volcano

This photograph was taken in 2012 on a guided tour to Whakaari/White Island, an active volcano 50 km off the east coast of the North Island of New Zealand. The volcano lies on the northern end of the Taupo Volcanic zone and has possibly been active for the past 150,000 years. How dangerous this island is, was demonstrated by a number of explosive eruptions in recent history, the latest of which oc ...[Read More]

Imaggeo on Mondays: Breath from the underground

Imaggeo on Mondays: Breath from the underground

The heat seeping from the geothermal area which is part of the Krafla volcanic system in Iceland, ‘powers’ the steaming vent at Hverir (Hverarönd). The area is well known for its mud pots and sulphuric gas fumaroles, complete with pungent eggy smell. Some of the vents are in fact boreholes drilled in the 50’s for sulphur exploration which have been turned into fumaroles, the steam is a resul ...[Read More]

Imaggeo on Mondays: Volcanic Zones and Colourful Stones

This week’s Imaggeo on Mondays is Written by Yiming Wang, a paleoceanographer and paleolimnologist and keen photographer from the University of Kiel, Germany… Námafjall is a high temperature geothermal area by Lake Myvatn in northeastern Iceland, which known for its sulphurous mud springs. My fascination of Iceland began during a fieldwork expedition in March 2004 as I began to collect data for my ...[Read More]