The IMO and the American Meteor Society have received more than 330 reports so far about a fireball event over Northeastern US on May 17th 2016 around 12:50am EDT (4:50 UT). The fireball was seen primarily from Maine but witnesses from Vermont, New Hampshire, New Jersey, Massachusetts, New York, Rhode Island, Pennsylvania, Connecticut, Ontario (Canada) and Québec (Canada) also reported the event.
The fireball has been caught by the webcam of the Portsmouth harbour:
More info (photos, videos and maps) about this fireball can be found on the American Meteor Society website.
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