Sparks: Another small earthquake has been reported in Oklahoma. (Agencies)
The US Geological Survey says a 3.2 magnitude quake struck just before 6 am today about 43 kilometres northeast of Oklahoma City.
The Logan County Sheriff's Office says no damage was reported.
On Sunday, a 2.4 magnitude tremor was recorded at about 7 am about 80 kilometres northeast of Oklahoma City near Sparks.
Monday's earthquake is the sixth in the area since. Thursday, when a 3.7 magnitude quake was recorded near Prague. Three more were recorded Friday.
A 5.6 magnitude quake, the strongest ever recorded in Oklahoma, shook the state November 5. That quake damaged dozens of homes, buckled a highway and caused other damage.
Geologists say earthquakes with magnitudes of 2.5 to 3.0 are generally the smallest felt by humans.
Sparks: Another small earthquake has been reported in Oklahoma.