%0 Conference Paper %A Yabe, Yasuo %A Naoi, Makoto %A Kwiatek, Grzegorz %A Philipp, Joachim %A Plenkers, Katrin %A Nakatani, Masao %A Igarashi, Toshihiro %A Tohoku University, Japan, %A University of Tokyo, Japan, %A GeoForschungsZentrum Potsdam, Germany, %A GMuG GmbH, Germany, %A GeoForschungsZentrum Potsdam, Germany, %A University of Tokyo, Japan, %A University of Tokyo, Japan, %B IASPEI General Assembly %C Cape Town, South Africa %D 2009 %F epos:192 %T Aftershock activity of an M2.1 earthquake in a deep South African gold mine observed by a high frequency seismic network %U https://episodesplatform.eu/eprints/192/ %X Objective Overview of our observation Aftershock activity of an M2.1 earthquake. spatial distribution temporal decay Conclusions