GeoLog

Travels in Geology: A World Turned Upside Down

Terri Cook March 27, 2020

North Table Mountain in Golden, Colorado (Photo credit: Terri Cook).

Last weekend, with a strict, stay-at-home coronavirus order looming on the horizon, I decided to practice social distancing by escaping on one last hike. Since I’m currently in Colorado, I chose to climb North Table Mountain, the remnant of an ancient basalt lava flow located on the outskirts of Denver. Locally this mesa, along with its twin located a short distance to the south, are popula ...[Read More]

Imaggeo On Mondays: Sulphur volcano

Thoma Wöhling March 23, 2020

Sulphur volcano. Credit: Thomas Wöhling (distributed via imaggeo.egu.eu)

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]

EGU President Alberto Montanari introduces the new EGUsphere

Alberto Montanari March 17, 2020

The European Geosciences Union (EGU) just announced the launch of EGUsphere, a new online platform designed to promote global networking and open discussion within the Earth, planetary and space science community. EGUsphere will serve as a central repository for all contributions, presentations and manuscripts presented to EGU. In particular, EGUsphere will host abstracts and presentations from th ...[Read More]

Imaggeo on Mondays: The mirror of the volcano

Hazel Gibson March 16, 2020

The mirror of the volcano. Credit: Joselyn Arriagada-Gonzalez (distributed via imaggeo.egu.eu)

Lascar volcano is located in the Antofagasta Region of Chile. This stratovolcano (a conical volcano built up over time through successive eruptions of lava, tephra and ash) of the Central Volcanic Zone of the Andes is the most active volcano of the region, with a height of 5.592 m (18,34 ft). The last phase of eruptive activity before this photo was taken was on October 30, 2015, which produced an ...[Read More]