Man-made earthquakes: Fact or fiction?
Earthquakes in Oklahoma used to be something of a rarity, but a few years ago, that began to change. Starting in 2009, the number of quakes began to increase. By 2014, the state was experiencing three times as many quakes as California.
What’s going on? This short video explains why this is happening across the U.S. and who scientists think the culprits are.
Director and Producer
Based on reporting by Michael Corey and Joe Wertz
“Hobo in the Hood”
Courtesy of Audio Network
Executive Producer: Amanda Pike
Editorial Director: Robert Salladay
Images and footage from
U.S. Energy Information Administration
Oklahoma Geological Survey
Oklahoma Corporation Commission
“Superman: Electric Earthquake” (1942)
The FracTracker Alliance
California Department of Conservation Division of Oil, Gas and Geothermal Resources
Northern California Earthquake Data Center and UC Berkeley Seismological Laboratory
California Geological Survey
United States Geological Survey