The last volcano to erupt in the continental 48 states was __.Multiple ChoiceMount GaribaldiMount MazamaMount FujiMount RainerMount St. Helens

In a chain of hotspot volcanoes, where would you find the oldest volcano?Group of answer choicesthe biggest volcanofarthest from the volcano that erupted lastthe volcano that is covered with sedimentsfarthest from a MORnear the volcano that is erupting now

A well-formed conical volcano located above an active subduction zone that has not erupted in 12,000 years is _________blank.Multiple Choicelikely extinctconsidered activedormant, but will likely erupt again at some pointextinct and will not erupt again

Which region in the continental U.S. has the highest hazard associated with volcanoes and why?Group of answer choicesSouthern California because of the convergent plate boundary thereSouthern California because of the transform plate boundary thereThe Pacific northwest because of the transform plate boundary thereThe Pacific northwest because of the convergent plate boundary there

The largest extinct volcano in the solar system is?Group of answer choicesOlympus MonsGula MonsTharsisMount Everest

How many active volcanoes does NZ have?