Quaterra Resources Inc. operates as a copper exploration and development company primarily in the United States. It holds 100% interests in the MacArthur and Yerington properties; and holds an option to earn a 100% interest in the Bear, Wassuk, and Butte Valley properties located in Nevada, as well as holds an option to acquire a 90% interest in the Groundhog copper prospect located to the southwest of Anchorage, Alaska. The company was formerly known as Aquaterre Mineral Development Ltd. and changed its name to Quaterra Resources Inc. in October 1997. Quaterra Resources Inc. was incorporated in 1993 and is headquartered in Vancouver, Canada.