Large-scale seismic thermal anomaly linked to hot fluid expulsion from a deep aquifer

H H Chen, John Parnell, Z S Gong

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A 200 km-wide thermal anomaly was recorded by thermal infrared satellite data in a heavily faulted region of the South China Sea, at the time of the 1999 Chi-Chi earthquake in Taiwan. Subsurface data, including vitrinite reflectance data, indicate anomalously hot fluid flow in porous aquifers in the geological record for the same region. These observations link a seismic thermal anomaly to the long-term expulsion of hot fluid from a deep, overpressured aquifer. (C) 2006 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)53-56
Number of pages4
JournalJournal of Geochemical Exploration
Volume89
Issue number1-3
DOIs
Publication statusPublished - Apr 2006
EventGeofluids V: 5th International Conference on Fluid Evolution, Migration and Interaction in Sedimentary Basins and Orogenic Belts - Windsor, Ontario, Canada
Duration: 16 May 200621 May 2006

Keywords

  • Chi-Chi earthquake
  • thermal IR
  • fluid flow
  • overpressuring
  • sea
  • groundwater level
  • Yinggehai Basin
  • alluvial fan
  • faults
  • Taiwan
  • history
  • model

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