Analysis
January 05, 2012
Natural disasters, led by catastrophic earthquakes in Japan and New Zealand, cost a record $380 billion in 2011, more than double the figure for 2010 and triple the average for ...
January 02, 2012
Chances are 30 percent that a magnitude-9 earthquake will strike along the Japan Trench between the Tohoku region and Chiba Prefecture within the next 30 years, a government...
January 01, 2012
In a race against time when every minute means the difference between life and death, earthquake researcher Satoshi Miura wants to be ready the next time a big quake hits,...
December 11, 2011
Scientists made a shocking finding in early November at the Fukushima No. 1 nuclear power plant's No. 2 reactor: They detected radioactive xenon, which indicated that nuclear...
December 10, 2011
The movement of the bedrock under the Fukushima No.1 nuclear power plant during the Great East Japan Earthquake was larger than pre-quake estimates used by the plant’s...
November 17, 2011
Some of the bridges swept away by tsunami during the Great East Japan Earthquake had been pushed up by powerful flows--as opposed to being moved horizontally--before being...
November 15, 2011
Radioactive substances spewed out by the quake-stricken Fukushima No. 1 nuclear power plant have likely spread to western Japan and Hokkaido, according to a team of Japanese, U....
November 09, 2011
In March 2002, Tokyo Electric Power Co. revised upward the height of potential tsunami and took precautionary measures at its nuclear plants. The new maximum height was 5.7...
October 29, 2011
The Fukushima nuclear disaster released twice as much of a radioactive substance into the atmosphere as Japanese authorities estimated, reaching 40 percent of the total from...
October 26, 2011
As the quake-stricken Fukushima No. 1 nuclear power plant was spewing radiation, the Nuclear Safety Commission of Japan urged the central government to issue...
October 24, 2011
In a terrifying scenario where four massive earthquakes strike in conjunction along the ocean trench from off the Tokai region to Shikoku, a 20-meter tsunami in Kochi...
October 21, 2011
Areas in the ocean floor off the coast of Miyagi Prefecture, site of the epicenter of the Great East Japan Earthquake, have characteristics that make them particularly prone to ...
October 15, 2011
Aftershocks of the March 11 Great East Japan Earthquake could have significantly worsened the crisis at the Fukushima No. 1 nuclear plant in the weeks after the disaster,...
October 12, 2011
The pattern of extensive strain accumulation on a tectonic plate before March 11 largely matched the actual fault slip that caused the Great East Japan Earthquake, a team of...
October 11, 2011
An increasing number of residents who evacuated from their communities near the Fukushima No. 1 nuclear power plant are resigned to never returning home, according to a survey.
October 11, 2011
The power of the magnitude-9.0 Great East Japan Earthquake may have been the result of a huge accumulation of energy caused by a seamount stuck along the plate boundary, a team ...
October 08, 2011
Some people are hitting the bottle heavily, while others are smoking more. What they all have in common is difficulty falling asleep.
October 08, 2011
The accident at the Fukushima No. 1 nuclear power plant has prompted a surge in sales of radiation detectors--and also an increase in inaccurate measurements.
September 28, 2011
Radioactive cesium from the Fukushima No. 1 nuclear power plant has spread more than 250 kilometers toward the southwest, reaching as far as Gunma Prefecture, the science...
September 25, 2011
Due to the huge damage caused by liquefaction triggered by the Great East Japan Earthquake, the Architectural Institute of Japan has set up a website that allows the public...