4.5 magnitude frackquake hits Oklahoma

[BG]

View to see what the recent 4.5 quake does to merchandise in an Oklahoma grocery store.

https://www.youtube.com/watch?v=arMskXN_6fk

This is a good quote from a story about the frackquake.

The Oklahoma Geological Survey issued a report in April saying it's "very likely" most of the state's recent earthquakes were triggered by the injection of wastewater from oil and gas drilling operations.