1930 Salmas earthquake struck northwestern Iran and southeastern Turkey with a mercalli Intensity of X (Extreme) killing up to 3000 people. It was a 7.1 Mw earthquake.
1976 An earthquake struck the Friuli region of northeastern Italy killing 989 people.
1995 May 1995 Tornado Outbreak,
Mw is the moment magnitude scale. The w stands for work. Mw = 2/3 log10 (Mo) -10.7 where Mo is the seismic moment in dyne cm.