History of Oregon - Physical Geography

This geographic region was formed by basalt eruptions and post-Ice Age catastrophic flooding

This is/These are considered the "water bank" of eastern Oregon

The Oregon Coast, Coast Ranges, and the Willamette River Valley share a ___ climate

Are you going to die?

There is a three-in-ten chance there will be a major (8.0+) eruption along this fault in the next 50 years.

East of the Cascade Range, impacts from a Cascadia quake could include all of these EXCEPT

Apart from the Cascade Range, tall mountain peaks can be found in

These types of building are particularly vulnerable to damage from an earthquake

The Umatilla River empties into the Columbia River, making the Umatilla River

The Columbia River begins in ___ and empties into the Pacific Ocean at Astoria.

This geographic region of Oregon is the state's driest and continues through nearly all of Nevada.

This geographic region gets its elevation from an ocean plate sliding beneath it.

Because of accretion, the Cascadia Subduction Zone mechanism is slowly moving

Studies suggest that lives could be saved during a Cascadia earthquake by

Base Isolation can

An ocean plate sliding beneath a continental plate is an example of

The decreasing moisture content in the air after traveling over mountains is called

This Oregon river is NOT a part ofthe Columbia River Drainage

The number of water pipes that could be ruptured in Portland by a Cascadia quake

Cascade peaks are fed by magma that used to be part of the Juan de Fuca plate, Therefore, these peaks are