ລາວໂຮມລາວ ເພື່ອປະຊາທິປະໄຕ

A mild tremor was even felt by NBC reporters with President Barack Obama during his vacation on Martha's Vineyard, an island off Massachusetts.

In Charleston, W.Va., hundreds of workers left the state Capitol building and employees at other downtown office buildings were asked to leave temporarily.

"The whole building shook," said Jennifer Bundy, a spokeswoman for the state Supreme Court. "You could feel two different shakes. Everybody just kind of came out on their own."

In Ohio, office buildings swayed in Columbus and Cincinnati, and the press box at the Cleveland Indians' Progressive Field shook. At least one building near the Statehouse was evacuated in downtown Columbus.

In downtown Baltimore, Md., the quake sent office workers into the streets, where lamp posts swayed slightly as they called family and friends to check in.

Amtrak reported train service along the Northeast Corridor between Baltimore and Washington, was operating at reduced speeds as crews inspected the lines.