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How the Earth Was Made

Traveling the globe to reveal geological processes that shaped Earth. 

4/29/15
07:00 AM
"San Andreas Fault"  A West Coast trip along the roughly 800-mile San Andreas Fault explores the geology that gives it immense destructive power; scientists warn about the devastation a major earthquake on the fault could unleash on Los Angeles.  (Repeat) HISTORY
4/29/15
08:00 AM
"Yellowstone"  Geologists evaluate Yellowstone National Park, one of the most-dangerous geological features on Earth; 500 earthquakes hit the park early in 2009, raising concerns that a supervolcano is beginning to stir.  (Repeat) HISTORY
4/29/15
09:00 AM
"Sahara"  Astonishing geological discoveries reveal that the Sahara Desert had a dramatically different past that altered the course of human history and culminated in the biggest climate change event of the last 10,000 years.  (Repeat) HISTORY
5/4/15
10:00 AM
"Grand Canyon"  Geology and the Colorado River have shaped the Grand Canyon, which is about a mile deep and extends for nearly 200 miles across the U.S. Southwest.  (Repeat) H2
5/4/15
11:00 AM
"Yosemite"  Examining the debate over whether the spectacular Yosemite Valley was formed from gigantic glaciers or a cataclysmic rifting of the Earth.  (Repeat) H2
5/4/15
12:00 PM
"Asteroids"  Asteroids might provide clues about the formation of early Earth; detective work uncovers that a big nickel deposit in Canada, vast oil reserves in the Gulf of Mexico and a gold mine in South Africa all resulted from asteroid impacts.  (Repeat) H2
5/4/15
01:00 PM
"The Deepest Place on Earth"  Exploring the Mariana Trench reveals the slash along the floor of the Pacific Ocean to be deeper than Mount Everest is high.  (Repeat) H2
5/4/15
02:00 PM
"Grand Canyon"  Geology and the Colorado River have shaped the Grand Canyon, which is about a mile deep and extends for nearly 200 miles across the U.S. Southwest.  (Repeat) H2
5/4/15
03:00 PM
"Yosemite"  Examining the debate over whether the spectacular Yosemite Valley was formed from gigantic glaciers or a cataclysmic rifting of the Earth.  (Repeat) H2
5/4/15
04:00 PM
"Asteroids"  Asteroids might provide clues about the formation of early Earth; detective work uncovers that a big nickel deposit in Canada, vast oil reserves in the Gulf of Mexico and a gold mine in South Africa all resulted from asteroid impacts.  (Repeat) H2
How the Earth Was Made

Premise
Historical clues and the expertise of geologists reveal how powerful forces shaped the planet; each episode examines a single location, such as the San Andreas Fault and Yellowstone National Park.

Program data from Tribune Media Services, Inc.