Willis is a founder sponsor of GEM and Network member scientists occupy senior positions on GEM bodies and work programmes. Full details of GEM may be found at www.globalquakemodel.org.
In addition to the previous, Willis and WRN member scientists have collaborated on national earthquake risk models for many years, this work pre-dated the formation of the WRN. The WRN continues to develop regional earthquake models and risk assessment programmes.
Date: Jan 04, 2013 | Type: Article |
Ext. Link: Click Here ›
Authors: James Daniell and Armand Vervaeck
Summary: The purpose of this report is to present the damaging earthquakes in the year 2012 around the world that were entered into the CATDAT Damaging Earthquake Database (a historical global catastrophe database compiled by our WRN partners CEDIM and KIT amongst others) in terms of their socio‐economic effects.
Date: Oct 10, 2012 | Type: Paper | Attachment: Download File ›
Authors: Keith A. Porter, Edward H. Field, and Kevin Milner
Summary: Exposures with very large sums insured, such as those dealt through Facultative reinsurance, require particular studies when assessing their seismic risk. A more accurate risk assessment may be translated in better reinsurance pricing due to the consideration of a wider range of uncertainties. A thorough hazard analysis requires a Probabilistic Seismic Hazard Assessment (PSHA) which in some cases may be computationally demanding and time consuming to set up.
Date: Apr 30, 2012 | Type: Paper | Attachment: Download File ›
Authors: Mine B. Demircioglu, Karin Sesetyan, and Mustafa Erdik
Fields: Seismic Risk, Turkey, Prioritization
Summary: The aim of the present study is the assessment of the earthquake risk in Turkey to constitute the basis for the risk prioritization of provinces.
Date: May 24, 2010 | Type: Paper | Attachment: Download File ›
Authors: Peter Stafford Roxane Foulser-Piggott
Summary: In this paper, a model for the spatial correlation of Arias intensity is proposed.
Date: Dec 01, 2009 | Type: Article |
Summary: This article is an update and extension of the study of Kempton and Stewart (2006), which presented equations for the prediction of significant duration derived from the Next Generation of Attenuation (NGA) dataset. this article explores alternative functional forms for such equations and additionally presents equations for the prediction of other definitions of duration.
Date: May 10, 2009 | Type: Paper |
Summary: Following a very brief overview of the historical development of ground-motion recording and prediction in Europe, the paper summarises the current state-of-the-art in terms of regional prediction equations. The paper then goes on to explore the issue of regional variations in earthquake ground-motion and challenges the frequently-made assumption that equations specific to individual countries or regions are required.
Date: May 03, 2009 | Type: Article |
Summary: In this study, the strong-motion data base assembled in the Next Generation of Attenuation (NGA) project is used to derive equations for two different measures of the effective numbers of cycles of ground motion as functions of magnitude, distance, and site classification.
Date: Mar 01, 2009 | Type: Article | Attachment: Download File ›
Summary: The purpose of this study is to obtain a reliable estimate of the seismic hazard in the Emirates, expressed as uniform hazard spectra (UHS) on rock sites in three key cities in the country: Abu Dhabi, Dubai and Ra's Al Khaymah.
Date: Feb 23, 2009 | Type: Paper | Attachment: Download File ›
Summary: Paper submitted to to ASCE conference (TCLEE 2009) to be held in Oakland in June 2009. A heuristic minimal path sets method for analysing seismic reliability of lifeline networks is proposed.
Date: Jan 19, 2009 | Type: Article |
Authors: Peter Stafford S. Sgobba and G.C. Marano
Summary: The primary purpose of this article is to offer a new envelope function that represents the first component of a full non-stationary stochastic approach to accelerogram generation.
Date: Dec 01, 2008 | Type: Article |
Summary: Destruction from earthquakes continues to threaten poor and wealthy nations alike. The Global Earthquake Model is a potentially important step towards providing risk information on a worldwide basis, using a unifi ed standard.
Date: Dec 01, 2008 | Type: Paper |
Summary: A summary of the most extensive earthquake planning scenario ever created for the United States
Date: Nov 03, 2008 | Type: Paper |
Authors: Mohammad Javanbarg S. Takada, Emeritus Professor, Department of Civil Engineering, Kobe University
Summary: This study develops a comprehensive seismic reliability model for serviceability assessment of water supply systems.
Date: Oct 17, 2008 | Type: Paper |
Summary: A review of the state-of the art of loss estimation methodology and software has been carried out as part of subproject JRA3 of the NERIES (Network of Research Infrastructures for European Seismology) project currently being carried out in Europe.
Date: Oct 01, 2008 | Type: Paper |
Summary: A compendium of observations from the Folkestone earthquake is presented here. This includes analysis of the first "strong-motion" record from a British earthquake, a description of the damage, an investigation of how the distribution of damage may relate to the distribution of unconsolidated deposits, and the results of the macroseismic survey for the earthquake.
Date: Sep 11, 2008 | Type: Paper | Attachment: Download File ›
Authors: Prasad Gunturi, Willis' Director of US Modeling Research Kyle Beatty, Vice President, Willis
Summary: A look at how the vendor earthquake models may change in response to the recent release of new science from the United States Geological Survey (USGS)
Date: Aug 08, 2008 | Type: Paper |
Authors: Mohammad Javanbarg S. Takada - Kobe University, Y. Kuwata - Kobe University
Summary: This paper develops a fuzzy analytic hierarchy process to support decision making for priority evaluation of the pipelines renewal applicable to metropolitan water distribution networks
Date: Aug 01, 2008 | Type: Paper |
Summary: In this paper, the dependence of the scaling factors with respect to both duration and the number of equivalent load cycles is quantified.
Date: Jul 12, 2008 | Type: Article |
Authors: Peter Stafford John B. Berrill and Jarg R. Pettinga
Summary: In this study, a suite of four predictive equations, each using a different functional form, is derived for the prediction of Arias Intensity from crustal earthquakes in New Zealand. The provision of a suite of models is included to allow for epistemic uncertainty to be considered within a PSHA framework.