The epicenter was five miles south of Tupelo and four miles Nort of Clarita in Coal County. Residents heard popping sounds and felt chairs moving.
This earthquake had a magnitude of 2.5.
It was located near the epicenter of a magnitude 4.4 earthquake that occurred Sept. 6, 1997. The difference in shaking between a magnitude 2.5 and 4.4 is nearly 100. The difference in energy release is close to 1,000. The 1997 earthquake was felt over one-third of Oklahoma.
Lawson asks that if anyone felt and/or heard Monday's earthquake to please log on to www.okgeosurvey1.gov and click on "Report an Oklahoma Earthquake"?
Lawson can also be reached by phone at 918-366-4152, or by e-mailing him at email@example.com
Oklahoma Geological Survey is located in Leonard.