Two campers started the blaze on May 29, 2011, in the Bear Wallow Wilderness Area near Alpine and over the next month, it scorched 538,049 acres. The Greer Fire is burning northwest of Alpine,

Residents in Greer and South Fork have been ordered to evacuate their homes after the Greer Fire broke out Tuesday in the small eastern Arizona town.

The blaze has grown to 7,052 acres on Thursday with zero containment, according to inciweb.gov, and more than 400 personnel were fighting the fire.

Fire officials typically measure wildfires in acreage, which can be an unfamiliar unit of measure. Here are some everyday examples of 6,400 acres.

A forecasted decrease in winds Thursday is expected to help more than 400 personnel fighting the Greer Fire, an eastern Arizona blaze that burned more than 7,000 acres and forced evacuations.

Hundreds of people have been forced from their homes in Apache County due to the Greer Fire, which has burned more than 7,000 acres.