this source (linked) it was an easy season as far as hurricanes making landfall on the US coastline goes. It was however, a busy season for total number of storms.
http://www.accuweather.com/blogs/news/story/41710/2010-atlantic-hurricane-season-1.asp<snip>Another aspect of this particularly intense season was the landfalls. Since 1900, there has been no season with 10 or more hurricanes when none have made a direct landfall on the United States coastline.
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"If Alex made landfall 75 miles to the north and Earl tracked 75 miles to the west, there would have been two landfalls on the U.S. coast," Bastardi said. "It's like a foul ball. Contact was made, but it didn't go exactly where it was supposed to."<more at link>