Mars' Valles Marineris canyon remains tectonically active

• Valles Marineris, the largest canyon in the solar system, is located on Mars.
• NASA's InSight lander detected a powerful marsquake on August 25, 2021, designated S0976a.
• The marsquake revealed that Valles Marineris is still tectonically active.
• Mars is considered geologically 'dead', yet this canyon remains active.
• The InSight lander, which landed on Mars in 2018, detected the marsquake.