UPDATED 9:55 a.m.: More than a dozen federal buildings in the Washington area, including the Interior Department’s headquarters on C Street, are closed today following the 5.9- magnitude earthquake that rocked the east coast Tuesday afternoon. “Emergency employees are expected to report for work on time,” regardless of their building being closed, according to an update posted on the Office of Personnel Management’s website, which includes a list of all building closures as of 1:50 a.m. (A list of building closures is also included below). Employees working at buildings that are open will have the option of unscheduled leave and…