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AI-driven mapping of Earth's core-mantle boundary

Overview

Researchers from the Chinese Academy of Sciences have utilized deep learning tools to map the Earth’s core-mantle boundary with high precision. By analyzing over 2 million seismic waveforms from approximately 5,000 earthquakes recorded between 1990 and 2024, the AI identified nearly 175,000 previously unrecorded PKP precursor signals.

The analysis revealed six previously unknown geological structures located approximately 2,900 kilometers beneath the surface, situated where the solid mantle meets the liquid outer core. These structures, which may be ultra-low velocity zones, appear as broad continuous bands rather than scattered patches. They are located beneath regions including Eurasia, Central Asia, and the South Atlantic basin.

According to the study published in the Journal of Geophysical Research: Solid Earth, scientists suggest these formations could consist of ancient subducted oceanic crust, sediment, or debris from the collision that formed the Moon, such as fragments of the ancient protoplanet Theia. These findings are considered critical for understanding heat transfer between the core and mantle, which influences volcanic activity, tectonic plate movement, and the Earth’s magnetic field.

Entities

Institute of Geology and Geophysics · Journal of Geophysical Research: Solid Earth · Chinese Academy of Sciences · Zhi Guan · Theia

Claims

What the coverage asserts, and how many sources carry each claim.

Timeline

  1. 16 days ago

    [TECHNOLOGY] 6 sources
    AI identifies six new geological structures deep within Earth's mantle

    Using AI to analyze 2 million seismic waveforms, researchers discovered six new geological structures 2,900 km deep at the Earth's mantle-core boundary.

  2. 18 days ago

    [TECHNOLOGY] 3 sources
    AI technology maps new structures near Earth's core-mantle boundary

    Using deep learning to analyze 2 million seismic waveforms, scientists have uncovered 175,000 new signals and six mystery structures near Earth's core-mantle boundary.

Sources

arynews.tv · diario.mx · eldiariodechihuahua.mx · es.digitaltrends.com · interestingengineering.com · niubie.com · notimercio.ec · sdpnoticias.com · time.news

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