HEURISTIC ALGORITHM USED BY RES2DINV FREE
in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The use of general descriptive names, registered names, trademarks, etc. Violations are liable to prosecution under the German Copyright Law. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Library of Congress Control Number: 2008935360 # Springer-Verlag Berlin Heidelberg 2009 This work is subject to copyright. Geological Survey, National Landslide Information Center, MS 966, Box 25046, Denver, CO 80225, USA Fawu Wang Kyoto University, Research Centre on Landslides, Disaster Prevention Research Institute, Uji, Kyoto 611- 0011, Japan Paolo Canuti Universita` di Firenze Dipto. Satoshi Tsuchiya Shizuoka University, Faculty of Agriculture, 836 Ohya, Suruga-ku Shizuoka-shi 422-8529, Japan Kyoji Sassa UNITWIN Headquarter Building Kyoto University Uji Campus Uji, Kyoto 611-0011, Japan Īssociate Editors Nicola casagli University of Florence, Department of Earth Sciences Via G.