The American Meteor Society received over 50 reports so far about a fireball event in Maryland and southern Pensylvania on April 17th around 9:10pm EDT. Observers from as far north as Toronto in Canada reported seeing a bright light in the sky. Below is a heat map of the witness reports.
The preliminary estimated trajectory plotted from the witness reports shows the meteor was traveling from the south east to the north west and ended its flight few miles north of Oxford, PA.
If you witnessed this firebal please fill out an official fireball report.