The 2016 Kumamoto earthquakes are a series of events that began with an earthquake of moment magnitude 6.2 on the Hinagu Fault at 21:26 JST on April 14, 2016, at an epice [...]

Site amplification essential for seismic zonation is defined here as a peak value of spectrum ratio between ground surface and a base layer. The amplification was investi [...]

During the 2007 Niigata-ken Chuetsu-oki earthquake, a very strong motion was recorded by a vertical array seismic observation system in the TEPCO nuclear power plant, whi [...]

Innovative miniature cone penetration tests and subsequent cyclic triaxial tests were carried out on sand specimens containing fines both in the undrained conditions. It [...]