Stretch it Out
Strain Across the Basin and Range Province
Strain is a measure of how much something is being stretched, or deformed. In this figure orange, red and
purple indicate areas being stretched the most; light blue, blue and dark blue indicate are
Beneath Your Feet
What's Underneath the Basin and Range?
This is an image of what is going on 200 km beneath the surface of the Earth in the mantle, which is a
layer of the Earth made up of very hot rock under enormous pressure. Blue colors mean relativel
How do Scientists Know Whats Inside the Earth?
Like X-Ray Vision Through the Earth
In seismic tomography, scientists use earthquakes to see what is going on under the surface of the Earth,
just like CAT scans let doctors see what is goin
How Do We Know the Ground is Moving?
EarthScope Measures the Ground on the Move
EarthScope instruments are measuring the motion of the Basin and Range Province. The mountains are
rising about 0.3 mm per year, the plates are extending 5 mm per year.