Crater lake, oregon, is an example of a volcanic another example of one that can be seen from space is the valles caldera in the jemez mountains in new mexico.

The correct answer is volcanic depression.  

Explanation:

We refer to a depression in the area of the land relief that is less elevated than the surrounding areas.

An example of volcanic depression is a caldera. That it is indeed a sunken sector in the relief, which was formed because of different volcanic eruptions. Its structure is very similar to a circle, has vertical walls and a very large background.

This is how Crater Lake was formed, which partially fills a volcanic caldera about 594 meters deep that was formed about 7,700 years ago by the sinking of the Mazama volcano.