BOSTON, Mass. – Gustav Nyquist scored twice and added an assist to lead Maine to a 6-3 victory over top-ranked Boston University to even its Hockey East quarterfinal series at a game apiece.

It was the first time that Maine (13-21-4) had scored six goals in a game since December 20, 2006 against Cornell.

Boston University (28-6-4) saw its 17-game unbeaten streak end.

Maine jumped out to an early 1-0 lead just 42 seconds into the game. Nyquist stole the puck from a BU defenseman just to the left of Terrier goalie Kieran Millan. Chris Hahn had his first attempt stopped by Millan, but he controled the rebound and beat Millan.

The Terriers answered quickly when Colin Wilson found Brandon Yip in the left faceoff circle and he beat Maine goalie Scott Darling at 3:40 of the first period. The BU lead grew to 3-1 on goals by Luke Popko and a shorthanded tally by John McCarthy.

Maine fought back with two more goals before the end of the period to tie it. Matt Duffy had a power play shot from the blueline. Tanner House got the rebound and fed Nyquist below the right circle. Nyquist roofed the puck over Millan with a backhander.

The Bears tied it 31 seconds later when Simon Danis-Pepin passed to Kevin Swallow, who found Keif Orsini in the slot. Millan got a piece of Orsini’s shot, but not enough as the puck trickled into the back of the goal.

It is the first time all season that Boston University had allowed three goals in a period.

Maine took the lead back at 10:11 of the second period with its second power play goal of the game. Simon Danis-Pepin fed Spencer Abbott in the left face-off circle. Abbott ripped a shot past Millan for his sixth goal of the season.

The Black Bears extended their lead to 5-3 in the third period on a power play goal by Nyquist r

Darling made 29 saves in goal, while Millan made 20 saves for the Terriers to fall to 22-2-3 on the season.

Maine and Boston University will play Game three of their best-of-three quarterfinal series on Sunday, March 15, at 7 p.m. at Agganis Arena.