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Reference Number
YEG2023_3
Title
Seismicity near the eastern Denali fault from temporary and long-term seismic recordings
Reference Type
Yukon Geological Survey
Document Type
Annual Report Paper


General Information

Abstract: We studied earthquakes near Burwash Landing, Yukon. Using data from temporary and permanent seismic stations, we enhanced the understanding of both regional and local earthquakes. The study used deep learning and template matching to effectively detect earthquakes, even from noisy data. Following detection, seismic parameters, earthquake location, and magnitude were estimated and refined. The analysis revealed 103 local earthquakes, with 28 located in an area of geothermal resource potential. Notable small-magnitude earthquakes were observed near Bock’s Creek fault. No earthquakes were observed on the Denali fault during the study period. The existence of active faults strike-parallel to the Denali fault suggests that local permeable structures may exist in the area. Regional observations detected 46 432 regional earthquakes in 13 years, but none along a section of the Denali fault near Burwash Landing, Yukon, which we interpret as a seismic gap.
Authors: Han, J., Dettmer, J., Gosselin, J.M., Gilbert, H., Biegel, K. and Kim, S.
NTS Mapsheet(s): 115G
Citation: Han, J., Dettmer, J., Gosselin, J.M., Gilbert, H., Biegel, K. and Kim, S., 2024. Seismicity near the eastern Denali fault from temporary and long-term seismic recordings. In: Yukon Exploration and Geology Technical Papers 2023, L.H. Weston and Purple Rock Inc. (eds.), Yukon Geological Survey,p. 37–50.

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NTS Mapsheet(s): 115G

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YEG2023 Contained By L.H. Weston and Purple Rock Inc. (eds.) Yukon Exploration and Geology 2023