Factbox: Changes in Oklahoma earthquake insurance policies

(Reuters) - Oklahoma has become an earthquake hot spot in recent years, as booming oil and gas production has led to an increase in the injection of wastewater into deep underground caverns, pressuring faults. Below is a summary of changes insurance companies have made in the state in recent years, based on Oklahoma Insurance Commission filings: Company Date Action Armed Forces Aug 8, 2014 Increases earthquake premiums by 1-3 cents per Insurance $1,000 of coverage Exchange Chubb Ltd Dec. 19, Inc