Categories MUST READS Oklahoma was rattled last night by a 5.6 magnitude earthquake Post author By Semih Akalin Post date Nov 6, 2011 No Comments on Oklahoma was rattled last night by a 5.6 magnitude earthquake The Oklahoma Earthquake felt in Henryetta. The strongest in the state’s history. cnn Tags earthquake, henryetta, Oklahoma, Oklahoma Earthquake, Randy Prahl, Record Earthquake