The Gravity Effect Due to the Redistribution of Ocean Floor Mass Caused by 2011 Tohoku-Oki Earthquake
Abstract We use two methodsto get the ocean floor deformation data caused by the 2011 Tohoku-Oki earthquake. Then the gravity effects due to the redistribution of ocean floor mass can be calculated through Fourier transformation and Fourier inverse transformation. These gravity effects are analyzed and compared to the gravity data observed by GRACE satellite. The results show that these gravity effects are notable, and should be of concern during extracting coseismic gravity changes.
Key words :
Tohoku-Oki earthquake
gravity change
mass redistribution
Fourier transformation
satellite gravity
Cite this article:
GONG Zheng,XU Caijun. The Gravity Effect Due to the Redistribution of Ocean Floor Mass Caused by 2011 Tohoku-Oki Earthquake[J]. jgg, 2016, 36(5): 377-.
GONG Zheng,XU Caijun. The Gravity Effect Due to the Redistribution of Ocean Floor Mass Caused by 2011 Tohoku-Oki Earthquake[J]. jgg, 2016, 36(5): 377-.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2016/V36/I5/377
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