Vol.42-1 CONTENTS

Temporal Changes of Geomagnetic Transfer Functions Using Data Obtained Mainly by Geographical Surver Institute

Satoshi FUJIWARA

Contents

1. Introduction
2. Data and analyses
3. Temporal changes in the transfer functions at observatories
  3.1 Results from 1989 to 1992
  3.2 Results in southern Kanto district in 1989
  3.3 Comparision with other geophysical data
    3.3.1 Underground water level,rain fall and sea level
    3.3.2 Relationships between the changes in the transfer functions and those of the seismicity
    3.3.3 K-index
    3.4 Interstation transfer functions at Kanozan
    3.5 Possible cause of the change in the transfer function
4. Temporal changes in the transfer functions associated with the 1993 earthquake southwest off Hokkaido
    4.1 The 1993 earthquake southwest off Hokkaido
    4.2 Changes in the transfer functions associated with the earthquake
    4.3 Model simulation
5. Concluding remarks
Acknowledgment
References