Seismic or Volcanic Zone and the Deflection of the Vertical

[摘要] In this preliminary note, the writer suggests the fact that the deflection of the vertical referred to the reference ellipsoid which approximately represents the geoid surface in those regions concerned is not only very large in its absolute values but also very systematic and regular in direction in the districts where the seismic or volcanic activity is vlioent.

[学科分类] 大气科学