Preseismic Change of Radon Concentration at Akazawa No.6 Well related to the Earthquake(M=6.5) of February 20, 1990 near Izu-Oshima Island

Authors=Geological Survey of Japan

Journal/Book_names=Report of the Coordinating Committee for Earthquake Prediction

volume=46

pages=238-239

Publish_year=1991

Publish_Country=JPN

Publisher=Geographical Survey Institute

Language_of_Text=JA

ID=199102940