INL Seismic Monitoring Annual Report: January 1, 2012 - December 31, 2012

Payne, S. J.¹  Bruhn, D. F.¹  Hodges, J. M.¹  Berg, R. G.¹ 

[1]Idaho National Lab. (INL), Idaho Falls, ID (United States)

关键词: Earthquake;    Eastern Snake River Plain;    Seismic Monitoring;    Seismicity;   

DOI  :  10.2172/1177233
RP-ID  :  INL/EXT--14-33937
PID  :  OSTI ID: 1177233

学科分类：地球科学(综合)

美国|英语

来源: SciTech Connect

【 摘 要 】

During 2012, the Idaho National Laboratory Seismic Monitoring Program evaluated 17,329 independent triggers that included earthquakes from around the world, the western United States, and local region of the Snake River Plain. Seismologists located 1,460 earthquakes and man-made blasts within and near the 161-km (or 100-mile) radius of the Idaho National Laboratory. Of these earthquakes, 16 had small-to-moderate size magnitudes (M) from 3.0 to 3.6. Within the 161-km radius, the majority of 695 earthquakes (M < 3.6) occurred in the active regions of the Basin and Range Provinces adjacent to the eastern Snake River Plain. Only 11 microearthquakes occurred within the Snake River Plain, four of which occurred in Craters of the Moon National Monument. The earthquakes had magnitudes from 1.0 to 1.7 and occurred at deep depths (11-24 km). Two events with magnitudes less than 1.0 occurred within the Idaho National Laboratory boundaries and had depths less than 10 km.