Recent research has uncovered unusual structures hidden deep within Earth’s mantle that have left scientists puzzled. These anomalies, resembling subducted crustal slabs, have been identified through advanced imaging techniques. Found in places where tectonic activity has not been recorded, their existence challenges current geological understanding. The discoveries have sparked significant interest, as they may hold clues about Earth’s geological history and processes that are not yet fully understood. Advanced Imaging Reveals New Anomalies According to the study published in Scientific Reports on November 4, 2024, a new imaging method known as full-waveform inversion has been employed to map these structures. This technique combines seismographic data from multiple earthquakes into a single, comprehensive model. Andreas Fichtner, a seismologist at ETH Zurich, highlighted to space.com, the capabilities of this approach, comparing it to advancements in medical imaging that allow unprecedented insights into hidden areas. Anomalies Found in Unexpected Locations The anomalies, identified by researchers using the Piz Daint supercomputer at the Swiss National Supercomputing Center, are located far from any known tectonic activity zones. Thomas Schouten, a …