Potential for surface rupture from seismic activity in the Richardson fault array

北方育空地区的Wernecke山脉高耸崎岖，高出周围地形1500米。 几个突出的断层统称为理查森断层阵列，似乎记录了韦内克山脉和理查森山脉北部最近的差异运动。 这个阵列切割了大约9000万至6000万年前形成的区域褶皱。 断层是否只是比褶皱稍微年轻，或者它们是否在更近的时间内仍然活跃，这是未知的。Wernecke和Richardson山脉是加拿大地震活动最活跃的地区之一，这意味着Richardson断层阵列仍然活跃，至少在深度上，但也可能在地表。

The Wernecke mountain range of northern Yukon is high and rugged, rising up to 1500 m above the surrounding terrain. Several prominent faults collectively termed the Richardson fault array appear to record the most recent differential motions in the Wernecke Mountains, and the Richardson Mountains to the north. This array cuts across previously formed regional folds that developed approximately 90-60 million years ago. Whether the faults are only slightly younger than the folds, or if they remained active into more recent times, is unknown. The Wernecke and Richardson mountains are one of the most seismically active regions in Canada, implying that the Richardson fault array continues to be active, at least at depth but possibly also at the surface.