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DESTRESS supporting the Pohang investigations

DESTRESS supporting the Pohang investigations

On 20 March 2019, the independent expert commission will release its report concerning the Pohang earthquake and its potential link to the nearby geothermal project. The event of magnitude 5.4 occurred on 15 November 2017, injuring about 80 people and causing damage to numerous buildings.

In August 2017, DESTRESS conducted a first soft stimulation treatment at the Pohang geothermal site. Experts from GFZ, GES, KICT, KIGAM, NexGEO, SNU, TNO, and UoG were involved. This treatment did not induce any seismic activity larger than magnitude 2.0. DESTRESS supported the seismic monitoring by the deployment of instruments. The project collected important data and has been given access to further information thanks to the partnership with the local site owner, NexGEO. However, the dataset available to DESTRESS is incomplete and less extensive than that to which the expert commission has been granted access.

DESTRESS has conducted various analyses scrutinising seismic, hydraulic, geophysical, and geochemical data in the area concerned. The results were made available to the expert commission. In November 2018, DESTRESS partners met for a workshop (see this news item summarizing the main findings) to discuss preliminary results of the work performed. At the recent annual meeting in Strasbourg, further findings were discussed. The focus laid on the potential for a triggered event. In case of triggered events, even small human activities can potentially accelerate the failure of a naturally pre-stressed fault inducing large earthquakes. However, especially, the two months gap between last injection activities and the damaging earthquake raises questions. The DESTRESS working groups provided potential explanations including diffusion processes or slow chemical reactions. DESTRESS partners are committed to continue to work on this highly unprecedented event. All elaborations will be published in a special issue in Geothermics. In addition, DESTRESS plans to release a report on lessons learned, summarising the main findings on which to base future deep geothermal projects. In the meantime, an overview of existing publications and contributions of DESTRESS partners linked to the Pohang earthquake is available in the result section.

 

 

Successful 4th General Assembly in Strasbourg

Successful 4th General Assembly in Strasbourg

From 18 to 20 February 2019, DESTRESS project members met in Strasbourg, France, for the 4th General Assembly. The event was hosted by the University of Strasbourg. The programme included a workshop on the M5.4 earthquake in Pohang, South Korea, on the first day of the meeting where participants discussed results and lessons learned. A short summary of this day will be made available in the upcoming weeks. On the second and third day, the more than 50 project members presented achievements, current challenges, and discussed open questions. In the spotlight were further the upcoming activities at our new test sites in Island, Hungary, and the Netherlands.

EURO 2019 Abstract Submission now open!

EURO 2019 Abstract Submission now open!

The 13th EURO-Conference on Rock Physics & Geomechanics will be held in 2019 in Potsdam, Germany. The overarching theme of the conference, “Rock fracturing and fault activation: experiments and models”, will provide a unique opportunity for international researchers and industry experts to discuss recent results and developments of rock fracturing and fault activation experiments, at laboratory, mine, and field scale, as well as related modeling efforts.

Abstract submission opened on 1 December 2018 and is still open until 15 April 2019. Find more information here.

DESTRESS at EGPD

DESTRESS at EGPD

The European Geothermal PhD day (EGPD) is intended to connect PhD researchers from all over Europe working in the field of geothermal energy and will celebrate its 10th anniversary at its original host institution, the German Research Centre for Geosciences (GFZ), Potsdam. Every year, between 50-80 young scientists from various research fields such as geology, geochemistry, rock mechanics, geophysics and mechanical engineering come together to share knowledge and experience on this promising energy resource.

Over the last decade, this venue was held in many different countries including Iceland, the Netherlands, Italy, Hungary, Switzerland and Germany. Next year’s meeting will be held from 25th - 27th of February 2019 at the Albert Einstein Science Park Telegrafenberg, Potsdam. Participants at any stage of their PhD studies who are interested in presenting their work, getting feedback from fellow PhD students or who would like to explore future directions in their research and careers are welcome to join the 10th EGPD.

The conference programme will include keynote lectures from experienced researchers and academics about recent scientific and technical developments in geothermal energy, as well as socio-economic aspects, a poster session with drinks and snacks, a conference dinner and a guided tour to the geothermal underground laboratory and power plant of Groß Schönebeck, one of DESTRESS's fall back options.

For more information check their website or their flyer.

Welcome to DESTRESS

DESTRESS stands for a promising and future-oriented approach to demonstrate soft stimulation methods of EGS. We focus on solutions for the exploitation of underground heat which are economical, sustainable and environmentally responsible. Co-funded by the EU, we contribute to the European energy strategy, which targets renewable energy, greenhouse gas reduction and energy efficiency. The primarily objective of DESTRESS is to develop a comprehensive compilation of good practices for successful geothermal projects through demonstration and research.

Learn more

Events

Third Schatzalp Workshop on Induced Seismicity
5 to 8 March 2019 in Davos, Switzerland
Website

13th EURO-Conference on Rock Physics & Geomechanics
2 - 6 September 2019
Potsdam, Germany
Website

Access Programmes

DESTRESS offers virtual and physical access to its sites. Every demonstration site differs in its environment and the stimulation techniques used.