They measured 23,920 Bq/Kg of cesium from the soil in Ichikawa Chiba. Ichikawa is one of the major cities in Chiba, which was not known as a hot spot so far.
Following up this article ..Population of Chiba decreased for the first time since 1920 The land value is decreasing in Hot spots around in Tokyo. According to the research of
Following up this article 0.5 million Bq/kg from Chiba The Ministry of the Environment published the report to tell they measured 650,000 Bq/kg of Cesium from the soil of Kashiwa Chiba.