Some people have tossed the idea out, with science, that Mars was once tectonically active, see https://www.space.com/9683-surface-mars-possibly-shaped-plate-t

Some people have tossed the idea out, with science, that Mars was once tectonically active, see https://www.space.com/9683-surface-mars-possibly-shaped-plate-tectonics.html https://www.space.com/9683-surface-mars-possibly-shaped-plat... and https://www.space.com/17087-mars-surface-marsquakes-plate-tectonics.html https://www.space.com/17087-mars-surface-marsquakes-plate-te...