A major 7.4 magnitude earthquake hit the southern Mexican state of Oaxaca on Tuesday June 23, killing at least 10 people and generating a small tsunami. According to U.S. Geologic Survey the eart...
Read MoreReal time record of seismic displacements between floors of multistory buildings is now possible thanks to light-sensitive optical sensors. The new technology is called Discrete Diode Position Sensor...
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