The rating isn't much use without the depth and the location.
A number of people lost their homes and are faced with an incredible tragedy. What do you possibly gain by being pedantic now??
I lived through the Christchurch earthquakes, where my whole city was destroyed. The two major quakes were a 6.3 and 7.1 between 4 and 10KM deep. Perspective is everything.
perhaps the headline should mention the state of emergency that the state's governor issued to better convey the magnitude of the situation. (ignore the unintentional pun)