Here’s the preliminary rating from @USGS:

A magnitude 4.5 earthquake at 11:10 AM, centered just NW of Medford, OK. #okquake pic.twitter.com/pNZY2Ud6FU

— Stephen Nehrenz (@StephenNehrenz) January 31, 2022

4.5M Earthquake In N. Oklahoma, Aftershocks Felt Statewide