Ohio Earthquake History

Seismically Active Zones
	114 felt earthquakes since 1775 in Ohio

Anna Area (western Ohio)
	most active area with 40 felt earthquakes since 1875

Northeast Ohio
	20 felt earthquakes since 1836

Southeast Ohio
	10 felt earthquakes since 1775

Significant Ohio Quakes
	March of 1937 Anna
	ã MMI = VII moderate structural damage

Jan. 31, 1986 Lake County
	ã magnitude 5.0

July 12, 1986 Anna
	ã magnitude 4.6