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Detection of Groundwater Level Changes Related to Earthquakes

  • Norio Matsumoto
Part of the Statistics for Engineering and Physical Science book series (ISS)

Abstract

An earthquake is a waveform representing catastrophic release of strain energy that was gradually accumulated in the crust. Crustal strain is considered to be changed by some causes immediately before the huge destruction, and leveling, tilt, volumetric strain, groundwater level and radon concentration in groundwater are continuously observed with an aim of detecting precursory changes mainly in the South Kanto and the Tokai districts. The most famous example of crustal deformation preceding a large earthquake is the change of level in Kakegawa, Shizuoka Prefecture before the 1944 To-Nankai Earthquake (M7.9; Mogi, 1985).

Keywords

Groundwater Level Rainfall Effect Radon Concentration Observation Well State Space Model 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York, Inc. 1999

Authors and Affiliations

  • Norio Matsumoto
    • 1
  1. 1.Geological Survey of JapanTsukuba, IbarakiJapan

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