Question

Crater lake in oregon was produce when

Answer 1

Crater lake was produced when a stratovolcano collapsed, creating the crater.

Answer 2

Answer:

Crater lake was formed when Mount Mazama produced a large eruption and collapsed to form a caldera, which then filled with water forming a lake.

Crater lake was formed approximately 7700 years ago, the caldera-forming changed the space all around the volcanic eruption. The pyroclastic flow of pumice and ash cover the area, which includes all the river, valleys that drained in Mount Mazama.