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 language | English |
|---|---|
| Pages (from-to) | 53-56 |
| Number of pages | 4 |
| Journal | Journal of Geochemical Exploration |
| Volume | 89 |
| Issue number | 1-3 |
| DOIs | |
| Publication status | Published - Apr 2006 |
| Event | Geofluids V: 5th International Conference on Fluid Evolution, Migration and Interaction in Sedimentary Basins and Orogenic Belts - Windsor, Ontario, Canada Duration: 16 May 2006 → 21 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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