A brief power outage struck Unalaska Thursday afternoon.

The lights went out around 12:30 and power was restored about 15 minutes later. There have been at least eight such outages in Unalaska in the last two weeks. City officials have said previously that they’ve contacted large industrial users, but they haven’t released information about what’s causing the disruptions in service.

Public utilities director Dan Winters did not return requests for comment about this latest event.