Alaska-Yukon border

Yukon (Rajeev Sharma): Researchers surveying a remote mountain area in southwest Yukon are examining signs of avalanches and landslides after a powerful earthquake struck near the Alaska–Yukon border last month. The magnitude 7.0 quake, which occurred on Dec. 6, prompted scientists from the Yukon Geological Survey to launch an aerial reconnaissance using helicopters to assess the earthquake’s surface impacts. Their findings have helped confirm a long-standing geological theory that a previously undetected fault lies beneath the region. Although both Alaska and the Yukon are known for seismic activity, scientists say the earthquake occurred in an area that has seen little…