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CoV6 Session: 1.5 Electromagnetic and other geophysical methods for monitoring and predicting volcanic eruptions
From: J. Zlotnicki (jacques.zlotnicki@xxxxxxxxxx)
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The international conference Cities on Volcanoes COV6-Tenerife 2010
Dear Colleagues,
We warmly propose you to participate in session 1.5 of the CoV6-Tenerife 2010 scientific
forum ( http://www.citiesonvolcanoes6.com/). The meeting will be held at Puerto de la Cruz
(Tenerife, Canary Islands, Spain) from May 31 to June 4, 2010.
ElectroMagnetic (EM) fields are particularly sensitive to rather shallower parts of a volcano because of their penetration depth.
They often manifest anomalous changes simultaneously with geochemistry, temperature and potential field signals.
EM observations are mainly based on the detection of signals in (1) the geomagnetic field,
(2) the electrical resistivity, (3) the self electric potential (SP) and (4) the EM emissions.
Volcanic eruptions generate various kinds of EM signals, from the ground to the ionosphere,
which can also be detected by satellites as GPS-TEC or DEMETER observations.
Combined EM methods turn into a very powerful tool for volcano monitoring
when other geochemical and geophysical observations are associated.
Also, EM methods can be effective for monitoring phreatic explosions, which sometimes show no mechanical forerunners.
This session will focus on:
- Volcano structure as revealed by combined EM and other geophysical methods.
- Geochemistry and thermal budget of sources for volcano-EM signals.
- Joint EM, geochemical and geophysical observations.
- Joint modelling of EM and other geophysical data.
- Advanced technologies for time series analyses of EM signals.
- EM and other signals related to phreatic and phreato-magmatic explosions.
- Satellite and other remote sensing of EM signals related to volcanic activities.
- EM emissions related to volcanic eruptions and pyroclastic flows.
- Mapping volcanic hazards by EM, geochemical and geophysical methods.
Convenors: Yoichi Sasai and Jacques Zlotnicki
yosasai@xxxxxxxxxxxxx and jacques.zlotnicki@xxxxxxxxxx
This session is on the behalf of EMSEV ( http://www.emsev-iugg.org/emsev/) which will hold a business meeting during the conference.
Important deadlines:
February 28, 2010:
Deadline for abstract submission.
March 31, 2010:
Final CoV6_Tenerife 2010 program will be available in the web: www.citiesonvolcanoes6.com
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