publication . Research . 1998

Local seismic activity monitored at King Sejong Station, Antarctica

Lee,Duk Kee; Kim,Yea Dong; Nam,Sang Heon; Jin,Young Keun;
Open Access English
  • Published: 01 Oct 1998 Journal: Polar geoscience, volume 11, pages 76-89
Abstract
Source location estimation from single station earthquake data collected at King Sejong Station (62°13'3l"N, 58°47'07"W) from 1995 to 1996 provides seismic activity around King Sejong Station. Analysis of local events, less than 1.5°in angular epicentral distance, finds epicenters located near the Shackleton Fracture Zone, the South Shetland Platform, Deception Island, and North Bransfield Basin. Estimated magnitudes range from 2.2 to 4.5 on the Richter scale, averaging 4.0 in North Bransfield Basin, and 3.2 in the South Shetland Platform. Active seismicities along the NW-SE oriented gravity-low line, penetrating from the southwestern end of North Bransfield Bas...
Subjects
free text keywords: seismicity, focal mechanism, extension
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Research . 1998
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