NDLI: Geometry of the wellington fault (New Zealand) defined by 3-D georadar data

Content Provider	IEEE Xplore Digital Library
Author	Gross, R. Horstmeyer, H. Green, A.G. Begg, J.
Copyright Year	2004
Description	Author affiliation: Swiss Federal Institute of Technology (Gross, R.)
Abstract	Earthquakes with 7.3-7.9 magnitudes strike the Wellington Fault at intervals of 500-770 years. Because the last event likey happened 344-494 years ago, the Wellington Fault, which passes through Wellington and the densely populated Hutt Valley, is considered to be a highly hazardous structure. On 3-D georadar data collected across the Wellington Fault within the Hutl Valley, the first ever fault-plane reflections from an active strike-slip fault are observed. They are associated with conspicuous diffractions generated by abrupt truncations of structures against the fault plane. These georadar data provide the imost vivid shallow images of any active fault surveyed to date.. Prominent reflection fabrics that parallel the trends of the Wellington FauIt are observed everywhere across the 25 x 50 m survey site, providing a minimum estimate of the lateral extent of shearing, fracturing, and crushing associated with faulting.
Starting Page	559
Ending Page	562
File Size	987831
Page Count	4
File Format	PDF
ISBN	9090179593
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-21
Publisher Place	The Netherlands
Access Restriction	Subscribed
Rights Holder	Delft Univ. of Technology
Subject Keyword	Geometry Ground penetrating radar Diffraction Earthquakes Geophysics Reflection Band pass filters Fabrics Data mining Shearing
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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