There are very frequent occasions with gas layers coming out from earth outside into the atmosphere in North seas. In order to prevent these dangerous events, it is very important to be able to discover these gas deposits and take appropriate measures for minimizing the damage. For these purposes modelling of geological gas containing layers is being held. This work presents the results of modelling for these layers with gas spreading towards the surface of water during a 4-year period in the Arctic region. The seismograms and wave pictures, presented in the work, show the approach of gas towards the surface of water on the 4th year of the exploration, starting with depths of 900 metres under the botom of North seas.


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