Soup-of-Group forecasting of large earthquakes.

This project focuses on the use of a collective model (which is referred to as the ‘soup-of-groups’ (SOG) model) to analyze, explain, and predict earthquakes using the high-resolution earthquake catalogs of Taiwan and New Zealand. In the SOG model, suppression of smaller earthquakes necessarily occu...

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Bibliographic Details
Main Author: Tan, Teck Liang.
Other Authors: Cheong Siew Ann
Format: Final Year Project
Language:English
Published: 2013
Subjects:
Online Access:http://hdl.handle.net/10356/51004
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Institution: Nanyang Technological University
Language: English
Description
Summary:This project focuses on the use of a collective model (which is referred to as the ‘soup-of-groups’ (SOG) model) to analyze, explain, and predict earthquakes using the high-resolution earthquake catalogs of Taiwan and New Zealand. In the SOG model, suppression of smaller earthquakes necessarily occur prior to a large earthquake. Based on this understanding we developed two precursors, namely (1) the time interval SOG signature; and (2) the integrated energy SOG signature. We also made use of the spatial localization feature in the model to improve signal-to-noise ratio in the SOG precursors. We found convincing evidences from both precursors to support the suppression of smaller earthquakes by a localized SOG giant cluster, and is able to demonstrate the predictive power of the SOG model using the Sep 1999 Chi-Chi earthquake in Taiwan as a test case.