{"version":"1.0","type":"link","title":"Shadow zone - Newikis","description":"A seismic shadow zone is an area of the Earth's surface where seismographs cannot detect direct P waves and/or S waves from an earthquake. This is due to liquid layers or structures within the Earth's surface. The most recognized shadow zone is due to the core-mantle boundary where P waves are…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/1/10/Earthquake_wave_shadow_zone.svg/1280px-Earthquake_wave_shadow_zone.svg.png","thumbnail_width":1280,"thumbnail_height":1719}