Barcelona (Editorial) .- The sound produced by the magnitude 9 earthquake that hit Japan last March 11 has been recorded by the network of undersea observatories of the Japan Science and Technology Sea and Land, located in the epicenter of the earthquake , near the town of Hatsushima. This agency Japan, working with the Laboratory of Applied Bio-Acoustics (LAB) of the Technical University of Catalonia, has posted the recording of the earthquake in the web project 'Listening to The Deep Ocean Environment' (LIDO).
"The project aims to record, for the first time in real time, the sounds of the seabed and assess the impact of artificial noise in the state of conservation of the marine environment," said the director of the LAB Michel André. The spectrograms shown LIDO's web reflects, in acoustic and visual, the intensity and distribution of sound energy from the earthquake.
These are images indicating the sound frequency and intensity through a range of colors (the more more intense red). 
"The project aims to record, for the first time in real time, the sounds of the seabed and assess the impact of artificial noise in the state of conservation of the marine environment," said the director of the LAB Michel André. The spectrograms shown LIDO's web reflects, in acoustic and visual, the intensity and distribution of sound energy from the earthquake.
These are images indicating the sound frequency and intensity through a range of colors (the more more intense red).
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