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Breaking news Natural disasters

5 quakes occurred in Tokyo bay within only 1 hour

According to JMA (Japan Meteorological Agency), 5 earthquakes happened in Tokyo bay on 12/26/2015. All of them occurred from 22:12 to 23:21 (JST). The maximum magnitude was 3.4 The depth

Breaking news Misinformation Politics

Ministry of Land not disclosing water quality data of Tokyo bay for 2 months

Ministry of Land, Infrastructure and Transport has not been disclosing the water quality data of seawater in Tokyo Bay since 2 months ago.   The ministry is to analyze the

Breaking news Natural disasters

M5.3 hit Tokyo Bay / Maximum seismic intensity 5- in Tokyo

At 5:49 of 9/12/2015 (JST), M5.3 occurred in Tokyo Bay, according to JMA (Japan Meteorological Agency). It affected the large area from Tokai region to North East Japan. The maximum


Maritime Safety Agency, “Sr-90 and Cs-137 density in seawater became the highest in past 40 years”

According to the Maritime Safety Agency, Strontium-90 and Cesium-137 density in seawater became the highest in past 40 years after 311. The sampling dates were June ~ December of 2011.

Domestic and global Environment

Only 2 Japanese pond smelt caught from 3 days test fishing in Haruna lake Gunma

  On 1/22/2013, Fukushima Diary reported “Japanese pond smelt gone nearly extinct in Haruna lake Gunma, can’t even find a sample for radiation test”. [Link 1] By the third day

Sea contamination

MEXT reported the contamination of Tokyo Bay “114 Bq/Kg from ground soil”

On 11/21/2012, Ministry of Education, Culture, Sports, Science and Technology reported they measured high level of cesium from the ground soil of Tokyo bay. The sample was taken on 10/16/2012.  

Sea contamination

Japan/korea sea contaminated as much as Tokyo bay

  Tokyo bay is known to be becoming a sea hotspot. (cf. Tokyo bay becoming a hot spot) In this January, Fukushima Diary introduced the opinion of Mr. Hirose Takashi,

Natural disasters

M5.4 Tokyo Bay

M5.4 hit Tokyo area at 11:31 7/3/2012. Epicenter was Tokyo Bay.             Source   Iori Mochizuki


Deformed mackerel

  Following up this article..Deformed fish is served at Sushi bar The same person fished mackerel with deformed caudal fin again.   Source Iori Mochizuki

Domestic and global Environment

Cesium is sinking deeper under riverbed

    Though Ministry of the Environment has been measuring cesium from upper than 5cm (1.97 inch) deep under riverbed since May 2011, researching group of Kinki university found more