it is called craters
The depressions left behind are called kettles. The raised areas are called moraines.
The depressions on the Moon's surface are called craters. They are formed by the impact of meteoroids, asteroids, or comets hitting the Moon's surface.
A crater.
Bone depressions
Large depressions on the moon are called craters. These are formed by the impact of meteoroids, asteroids, or comets hitting the moon's surface.
The depressions that remain filled with seawater are called, "Tidal pools".
A crater.
Muffin Pan
anticyclones
craters :]
Slump
Perhaps you search for sink holes.