Oklahoma has had earthquakes forever and has multiple faults which have been active since before even the Indians showed up to kill all the buffalo, let alone all those evil oil drilling Europeans.
No fancy graphs needed. It is just Fact.
You need to get less biased sources other than Earth Firsters talking about OG issues.
Yes, Oklahoma has had earthquakes forever; however, and you can use USGS for a data source if you want to dismiss “Earth Firsters,” how do you explain the sharp increases in earthquake activity in Oklahoma these past 20 years compared to the previous 100 years?