The collision of the cruise ship “Costa Concordia” on January 13, 2012 was recorded by the seismograph station “Monte Argentario“, situated on the Italian mainland. From the eyewitness testimony and the Automatic System of the ship the time of collision with a submerged rock was estimated at 20:45 (UTC). This time is confirmed by a sudden peak in the seismogram at 20:45:10 (the seismograph station is distant 18km from the site of the collision, the seismic waves needed almost 3-4 seconds to travel this distance). The seismogram shows also after the impact the “noise” generated by the hull of the ship grinding along the rocky substrate. An accurate analysis of “The seismic quake of “Costa Concordia” can even specify the speed of the ship at the moment of the collision…
Filed under: Geology, Science
