What question did this study set out to answer?

This study aims to understand the seismic properties of the upper crust beneath the Chicxulub impact crater's peak ring.

Seismic travel-time tomography under the peak ring of the Chicxulub impact crater

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Randomized trial reveals subsurface velocity structures in the Chicxulub crater, suggesting unique geological features.

This study aims to understand the seismic properties of the upper crust beneath the Chicxulub impact crater's peak ring.
Conducted three-dimensional seismic tomography using data from 48 ocean bottom seismometers and a 6 km streamer.
Inverted travel-times from seismic profiles to create a detailed velocity model down to 6-8 km depth.
Performed pre-stack depth migration on key seismic reflection profiles to analyze geological structures.
Identified a vertical cylinder-shaped feature in the crater basement with significantly slower seismic velocities.
Confirmed that the prominent dipping reflector is underlain by a thin layer with high-contrast properties.
Mapped variations in the peak ring's shape and the associated velocity contrasts in the underlying structure.

Barton et al. (2026) studied this question.

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