An explosion in Harlem that left seven people dead, injured 28 and leveled two buildings on Park Avenue is suspected to have been caused by a gas leak from an underground main, rousing concern about the city’s aging infrastructure.
And the Big Apple, it appears, isn’t alone: a January report found that Washington, D.C.’s buried gas mains were leaking methane in 5,893 places, at concentrations ten times higher than the point at which explosions can occur. A 2012 report uncovered spots in Boston with equally worrisome issues.
Despite alerting the city, officials have yet to repair the D.C. leaks, according to previous reports. [Slate] — Angela Hunt