Valles Marineris, the largest canyon system in the solar system, is still tectonically active today. Researchers found direct seismic evidence that a marsquake detected by NASA's InSight lander, called S0976a and recorded on 25 August 2021, originated 20 to 40 kilometers beneath the canyon. The event was a strike-slip rupture, where crust blocks slid sideways along an ancient fault. The team ruled out meteoroid impacts and landslides as causes. The result shows ancient faults on Mars can still rupture even without active plate tectonics, and that InSight's data, despite the mission ending in 2022, keeps revealing new findings.
Source: https://lamont.columbia.edu/news/giant-canyon-mars-still-tectonically-active-today. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.
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