Earthquakes of the 20th Century

Earthquakes of the 20th Century

This animation shows every recorded earthquake in sequence as they occurred from January 1, 1901, through December 31, 2000, at a rate of 1 year per second. The earthquake hypocenters first appear as flashes then remain as colored circles before shrinking with time…

Animation of earthquakes in Oklahoma between 2004 and 2016

Animation of earthquakes in Oklahoma between 2004 and 2016

Many studies have investigated the relationship between seismic activity and wastewater injection, particularly in Oklahoma where scientists recorded a 4 000% increase in the rate of earthquakes between 2008 and 2016. Now, the USGS in Oklahoma has released an…