BOISE, Idaho (AP) — A small earthquake in northern Idaho near the Lucky Friday Mine temporarily slowed production Friday morning, but work resumed after an inspection determined the mine remained safe.

General Manager Clayr Alexander says he was about a mile underground when the 2.7-magnitude temblor occurred about 9:30 a.m. He says he and others checked several areas but found nothing out of place, so the 50 workers remained underground and kept working.

The Lucky Friday Mine produces silver and is one of the nation's deepest, reaching a mile underground. The Shoshone County Sheriff's Office says no injuries or damage were reported due to the quake that occurred within a mile of Mullan.