Figure 3
From: A study on the predominant period of long-period ground motions in the Kanto Basin, Japan
![Figure 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1880-5981-66-100/MediaObjects/40623_2014_Article_86_Fig3_HTML.jpg)
Comparison between the predominant period of long-period horizontal ground motion and bedrock depth. (a) 2004 Southeast-Off Kill Peninsula earthquake, (b) 2004 Mid-Niigata earthquake, (c) 2008 Iwate-Miyagi earthquake, and (d) 2011 north Ibaraki earthquake. The number of data is shown at the lower right of the each figure.