Artboard 1Artboard 1Checkmarkclose-chubbyCombined ShapeexpandExternal-LinkUntitled-3gridlkab-breadcrumb-startinfoUntitled-1listplay-linkplay-sololkab-printikon-sök-lkabTwitter

Mining causes tension changes in the bedrock. These changes occur partly because cavities are created, and partly because of mining at greater depths. The tension in the bedrock is distributed differently around the mine, and the pressure can become so great that a seismic event occurs.