The Washington Post drove on average 275,193 tweets a week in 2013, more than any of the other nine newspapers that made the Alliance for Audited Media’s top 10 most popular newspapers, according to a recently released study by Searchmetrics.

The New York Times, the second-most-popular U.S. newspaper on Twitter, according to Searchmetrics’ study, saw almost as much engagement on Twitter -- driving on average 261,422 tweets a week.

However, USA Today and the Wall Street Journal, second and third on the list, experienced only about half the engagement on Twitter that WaPo stories enjoyed.

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WaPo drove more tweets than any other newspaper in the U.S. in 2013. IBTimes/Lisa Mahapatra

Of all the stories published by these 10 newspapers, the most-tweeted story of them all was one published by USA Today -- Texas gunman brain dead; may be tied to Colo. slayings -- which was tweeted 408,816 times.

The second spot went to a story by WaPo -- Newtown shooter Lanza had more than 1,700 rounds of ammunition in his house -- tweeted 361,259 times.

Four of the 10-most-tweeted stories were published by the WaPo, five were published by USA Today.

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The top-tweeted news stories of 2013. IBTimes/Lisa Mahapatra