Four earthquakes ranging from 2.3 to 3.1 in magnitude have been reported since Saturday afternoon near Guthrie and Stillwater.
First came a magnitude 2.8 quake six miles northeast of Stillwater and 32 miles northeast of Guthrie just after 5:30 p.m. Saturday. It had a depth of 3.1 miles.
Then, a smaller tremor, a magnitude 2.3, rattled three miles south of Guthrie at 6:30 p.m. It also had a depth of 3.1 miles.
A magnitude 3.1 quake was reported by the United States Geological Survey about two minutes before midnight Saturday night. Its epicenter was six miles southwest of Guthrie and it had a depth of 3.7 miles.
Lastly, a magnitude 2.9 hit three miles southeast of Guthrie at about 7:20 a.m. Sunday morning.