Lawsuit, Reports Agree Oil Companies Caused Earthquake that Shattered Oklahoma Woman’s Home, Knee

Source:  Joe Wertz/KGOU via Oklahoma Policy Institute

The 5.7-magnitude earthquake that struck near Prague, Okla., in November 2011 toppled Sandra Ladra’s chimney, raining rocks “on her lap and legs.”

Ladra on Aug. 4 filed a lawsuit against energy companies that operate disposal wells she claims caused the quake. She is seeking $75,000 in actual damages plus punitive damages, the Journal Record‘s D. Ray Tuttle reports.

Ladra alleges that injection wells operated by Cleveland-based Spess Oil Co., Tulsa-based New Dominion LLC and 25 other companies not yet named led to the earthquakes that damaged her home and injured her.

“She will likely have to have knee replacement surgery,” Poynter said.

Ladra claims that the companies, referred to as John Does 1-25, operate high-pressure injection wells that led to the swarm of tremors that caused widespread damage in November 2011. The company names will be filled in later, Poynter said on Wednesday.

Several peer-reviewed scientific papers have linked the Prague earthquake — the state’s largest ever recorded — with injection wells the oil and gas industry pumps toxic drilling fluid into. One other person was injured in the Prague quake, which damaged more than a dozen homes. The temblor is likely the largest linked to drilling activity.

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