ECGS Workshop 2012: Earthquake Source Physics on Various Scales

The ECGS Workshop 2012 Earthquake source physics on various scales will take place in Luxembourg City on October 3-5, 2012.

Conveners

Kevin Mayeda (University of California Berkeley & Weston Geophysical Coorporation, USA)

Adrien Oth (European Center for Geodynamics and Seismology, Luxembourg)

Luis Rivera (Ecole et Observatoire des Sciences de la Terre, Université de Strasbourg, France)

Scientific Committee

to be published soon!

Local Organizing Committee

  • Adrien Oth, ECGS, Luxembourg
  • Corine Galassi, ECGS, Luxembourg
  • Gilles Celli, ECGS / National Museum of Natural History, Luxembourg
  • Eric Buttini, ECGS / National Museum of Natural History, Luxembourg

Scope of the Workshop

Over the past two decades, the scale-dependence of the earthquake rupture process and, in particular, whether radiated energy behaves self-similarly among small and large earthquakes, has been a matter of vigorous debate. Yet these characteristics are of fundamental importance for enhancing our understanding of rupture physics and the generation of strong ground motions.
Since the groundbreaking work of Keiiti Aki in the late 1960’s, the static scaling relation between seismic moment and some length scale characterizing the earthquake source has been widely accepted, at least for earthquakes with magnitudes larger than about 3. On the other hand, the dynamic scaling of radiated energy with moment is still highly controversial throughout the entire magnitude range, from very small (M<0) to very large events (M 8 and above), and potential sources of bias such as bandwidth limitations or attenuation correction have been invoked that significantly complicate the situation. At the same time, the sheer existence of both slow and super-shear earthquakes, for which compelling evidence has been provided, shows that the rupture dynamics of earthquakes must span a considerable range.
Despite a vast number of published research works and the availability of more and more high quality datasets during recent years, many aspects of earthquake scaling characteristics still remain highly controversial, and inconsistent results are still obtained by different research groups on all investigated scales, even when considering the same datasets. More recently, state-of-the-art laboratory rock friction experiments are able to more closely recreate the in situ conditions on a fault during rupture, such as slip velocity, normal stresses, displacements, etc.
The aim of the EGS workshop 2012 is bringing scientists from all around the world working on all aspects of earthquake source physics and scaling around one table to discuss and look for solutions to the problems still encountered. We particularly encourage the participation of scientists working on laboratory rock friction experiments, micro-earthquakes (natural and/or induced), regional and worldwide observations of small to large earthquakes, the source physics of mega-thrust events such as the 2011 Tohoku earthquake, end-member models of rupture dynamics (i.e., super-shear and slow events), numerical and theoretical analyses, as well as the study and prediction of strong ground motions of large earthquakes.

Important Deadlines

  • June 1, 2012: Abstract submission deadline
  • July 15, 2012: Registration deadline
  • October 3-5, 2012: ECGS workshop
  • December 1, 2012: Submission deadline for contributions to the proceedings volume

Venue

The conference will be held in close proximitiy to the center of Luxembourg City, the cosmopolitan capital of the Grand Duchy of Luxembourg and human-sized city.

Luxembourg was a fortress city with reputation to be unseizable, strategically located between the French Kingdom and the German Empire. It was one of the major strongholds in Europe from the 16th Century through its dismantlement in 1867.

Today, Luxembourg is well known as an international Financial Center and for hosting key institutions such as the European Parliament and the European Court of Justice. It is a dynamic and modern city, was European Capital of Culture for the second time in 2007, and is part of the World Heritage List of UNESCO. Enjoy its Old Quarters, fortifications, museums, exhibitions and more.

Details

Accommodation: On site. Number of participants will be limited.

All details of the workshop (registration fees, accomodation, presentation and poster guide-lines, payment procedures, etc.) will be provided soon in a second circular. If you wish to obtain this circular by email, please email us at source2012@ecgs.lu.

Tentative Program

The ECGS workshop aims at discussing a wide scientific perspective including themes such as:

  • Seismic observations on a variety of length scales
  • Source physics: modeling results and constraints
  • Laboratory rock friction
  • Strong ground motion prediction
  • Data and methodology synergies

Abstracts

Required for program selection. The abstract volume will be distributed at the workshop registration.

Guidelines:
Due: June 15, 2012 by e-mail to source2012@ecgs.lu.
Length: maximum 2 pages including figures.
Margins: A4, 2.54 cm top/bottom margins, 3.17 cm right/left margins
Title: Arial 12 Bold, centered
Authors and affiliation: Arial 9
Text: Times New Roman 12
Color: will be printed in black and white
Format: MS-Word or RTF

Proceedings

The proceedings will be published after the workshop in the “Cahiers du Centre Européen de Géodynamique et de Séismologie” (also called the “Cahiers Bleus”). All articles will be peer-reviewed, and further guidelines will be given in the second circular. For previous volumes, see http://www.ecgs.lu/cahiers-bleus.

Practical Information

Visa: Please check the following webpage to see whether or not your require a visa to enter the Grand-Duchy of Luxembourg: http://www.mae.lu/en/content/view/full/14465. Please contact the Luxembourg embassy or consulate in your country for more detailed information. If you need an invitation letter from the Local Organizing Committee in order to obtain your visa, please specify it in the registration form.

Currency: Euro (€) (Banks are usually open between 9 a.m. and 5 p.m.).

Electricity: 220V, 50Hz. (European plug with two circular metal pins).

For More Information

Please contact:

Ms Corine GALASSI, ECGS secretary
19 rue Josy Welter
L-7256 Walferdange
Grand Duchy of Luxembourg
Tel: +352 33.14.87-1
Fax: +352 33.14.87-88
Email: source2012@ecgs.lu