Active crater lake session, IUGG General Assembly, Montréal


V12 – Geochemistry and Geophysics of Active Crater Lakes

Convener: Joop Varekamp (USA)

Co-Conveners: Corentin Caudron (Singapore), Dmitri Rouwet (Italy)

Active crater lakes provide the opportunity to watch inside magmatic-hydrothermal systems. The proto-type setting of “wet volcanoes” makes crater lakes prone to phreatic eruptions. Multidisciplinary approaches, by combining geophysical and geochemical measurements, and numerical and probabilistic modelling, have recently proven to be promising means to possibly reveal precursory signals of phreatic and phreatomagmatic eruptions. Hence, this section seeks contributions on how to measure and monitor crater lakes in relation with the activity of the underlying volcanoes.

Volcanic Lake Session SOGEI Congress, Parma, Italy


16-19 September 2019, Parma, Italy

P44. Volcanic lakes: multi-methodological and multi-disciplinary approaches for the characterization of the geosphere-biosphere interactions
Conveners: Dmitri Rouwet (INGV), Stefano Fazi (IRSA CNR), Jacopo Cabassi (UNIFI)
Corresponding e-mail:

In this session, we welcome contributions focusing on peculiar approaches and methods of investigation of volcanic lakes from the geochemical, biological and limnological perspective. Studied lakes may be volcanic lakes from little maars to giant calderas, heated and acidic lakes, Nyos-type lakes (from the Lake Nyos gas disaster in Cameroon in 1986, when a limnic eruption occurred releasing huge amounts of CO2), bio-activity lakes (prone to the development of CO2(CH4)-rich gas reservoirs at depth mediated by bacterial activity), as well as lakes simulating the characteristics of a volcanic lake such as anthropic gas-rich lakes, sinkholes, etc. The aim is to encourage the expertise exchange among scientists in the study of microcosms such as limnic systems of volcanic environments, especially favouring the discussion and the development of new multidisciplinary and methodological research approaches, to shed light on the interactions occurring between geosphere and biosphere.

Abstract Submission Deadline: 20 May 2019

Extension registration deadline CVL10-New Zealand

The scientific program of CVL10-New Zealand is taking shape.
We would like to thank many of you who will contribute to the excellent and original scientific discussion that will take place in Taupo in March.
We inform you that the registration deadline for CVL10-New Zealand is
EXTENDED UNTIL 22 February 2019
Please register ONLINE through (for the scientific sessions only format, 350 NZD$)
and (for the full program, 1050 NZD$)
Information on the full program of CVL10-New Zealand can be found here:
We hope to greet many of you on the shore of Lake Taupo next month.


Abstracts have been rolling in the last couple of days. Thanks to all the wonderfull contributions, CVL10 promises to be an exciting event.

A last step is still needed before heading to Lake Taupo…

Please register ONLINE to participate to CVL10-New Zealand by

31 JANUARY 2019

If you wish to attend only the sessions, proceed to this site:

COST: 350 NZ$ (approx. 210 €)


If you are intending to attend the full workshop, go to this site:

COST: 1050 NZ$ (approx. 630 €)

Click HERE for the full program of CVL10-New Zealand.

Ruapehu (New Zealand) picture by C. Miller

CVL10 WORKSHOP, New Zealand, March 2019

In name of the IAVCEI Commission on Volcanic Lakes and GNS Science, New Zealand, we are delighted to present you the SECOND CIRCULAR of our upcoming 10th WORKSHOP ON VOLCANIC LAKES, to be held from 17 to 25 MARCH 2019 in Taupo and Rotorua, New Zealand.

logo CVL10.001

The Workshop will be build around 8 Scientific Symposia during the first three days, followed by field work at Ruapehu, Waimangu and Lake Rotomahana.  A post-CVL10 field trip to White Island is optional.

Here is access to the Second Circular, together with the customer-guide-to-temporary-admission-of-goods to enter your scientific gear. In the Second Circular you can find a detailed program, the 8 scientific symposia, online registration procedure, costs and extra reading.

Important deadlines:

Abstract submission: December 20, 2018

Registration: January 31, 2019
For any further questions, don’t hesitate to contact us through
We hope to meet you all at the shores of Lake Taupo in March 2019.
In name of CVL and the Organizing Committee,
Dmitri Rouwet
Leader of IAVCEI–CVL
White Island (New Zealand) picture by T. Hurst

PODCAST Submergeradio Lake Nyos episode

Brynn O’Donnell, graduate student studying freshwater biogeochemistry at Virginia Tech University, USA, interviewed Dmitri Rouwet on the Lake Nyos gas burst and 30-years aftermath.

Brynn runs ‘Submerge’ podcast  to exploit her passion for science communication, dixit: “‘Submerge’ dedicates to exploring the various ways our perceptions and beliefs about water can shape our relationship with it.”

Listen to the interview HERE.

2016-03-19 10.51.12

“Killer Lake” Nyos in March 2016 (CVL9-Cameroon, pic. by. D. Rouwet)