倍ぐらい漏れた。チェルノブイリを超えた？

Natureから

Japanese government, published in June, says that the plant released 1.5 × 10¹⁶ bequerels of caesium-137, an isotope with a 30-year half-life that is responsible for most of the long-term contamination from the plant2. A far larger amount of xenon-133, 1.1 × 10¹⁹ Bq, was released, according to official government estimates.（途中略）
The new study challenges those numbers. On the basis of its reconstructions, the team claims that the accident released around 1.7 × 10¹⁹ Bq of xenon-133, greater than the estimated total radioactive release of 1.4 × 10¹⁹ Bq from Chernobyl. The fact that three reactors exploded in the Fukushima accident accounts for the huge xenon tally, says De Geer（途中略）
Caesium-137 fallout, however, is a much greater concern because it will linger in the environment for decades. The new model shows that Fukushima released 3.5 × 10¹⁶ Bq caesium-137, roughly twice the official government figure, and half the release from Chernobyl.

キセノンが1100京ベクレルの見積もりが1700京ベクレルでチェルノブイリの1400京を上回ったらしい。セシウム137が1.5京ベクレルの見積もりが3.5京ベクレルでチェルノブイリの半分くらい。
データの違いは全世界の放射能をモニターしている核兵器禁止条約のモニター数値を合わせて利用したから。日本政府は日本の国土のモニターデータしか使っていない。