seismology
May 15, 2013
Nearly 1,800 islanders would likely perish if a massive earthquake struck along the Nankai Trough on the Pacific side of Japan's mainland, a study says.
March 05, 2013
Scientists discovered a large number of fissures and fault lines on the seabed that probably led in part to the huge scale of the tsunami that hit northeastern Japan on March...
January 15, 2013
The Japan Meteorological Agency intends to upgrade its early earthquake warning system by incorporating data from underground and seabed seismometers to enable alerts to be...
January 10, 2013
Even slowly shifting tectonic plates can cause major earthquakes, something seismologists have previously considered impossible, two scientists said.
December 08, 2012
The magnitude-7.3 temblor that rocked northeastern Japan on Dec. 7 is now considered an aftershock of last year's Great East Japan Earthquake--and it may not be the last.
November 20, 2012
The devastating earthquake of March 2011 has left its mark on science, shaking up widely accepted seismic theory and forcing forecasters to reassess the chance of major quakes...
October 24, 2012
A commissioner at the government nuclear watchdog has called for substantially expanding the definition of "active fault lines" in relation to nuclear reactor safety.
September 01, 2012
Efforts to map earthquake trigger-points across Japan have created a patchy picture at best, 17 years after the government set up an agency to draft a definitive list of alerts.
July 09, 2012
More than 20 years before the disaster at the Fukushima No. 1 nuclear power plant, a scientist was issuing warnings that a tsunami of an unanticipated scale could knock out a...
July 04, 2012
TSUKUBA, Ibaraki Prefecture--A research institute has opened a website designed to give the public access to all available information on the latest earthquakes in Japan,...
May 11, 2012
An active fault line likely runs directly beneath Mount Fuji, one of Japan’s most iconic landmarks, according to studies by a science ministry investigative team.
May 01, 2012
For Japanese seismologists, the Great East Japan Earthquake proved to be the event that sent them back to the drawing board.
March 29, 2012
Japan’s Nuclear and Industrial Safety Agency (NISA) ordered nuclear power plant operators on March 28 to prepare for the possibility of earthquakes involving multiple active...
March 08, 2012
A magnitude-7 class earthquake in Tokyo Bay could cause much stronger shocks than previously thought, according to the science ministry.
February 22, 2012
Studies by a project team of the science and technology ministry indicate that the Tokyo area could be hit by an earthquake with a maximum seismic intensity of 7 on the...
January 26, 2012
At least three seismic source areas may have been generating magnitude-9 class temblors about once a millennium off eastern Japan between Hokkaido and Ibaraki Prefecture, new...
January 20, 2012
The Great East Japan Earthquake was preceded by small, repeating quakes that migrated slowly to where the disaster eventually hit last March 11, according to researchers at the ...
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 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...