URL：https://www.researchgate.net/profile/Jie-Dong-36/publication/285958494/figure/fig1/AS:957705871192071@1605346281966/The-GPS-stations-in-Japan-The-black-star-stands-for-the-epicentre-of-the-2011-Tohoku.png
掲載元：https://www.researchgate.net/figure/The-GPS-stations-in-Japan-The-black-star-stands-for-the-epicentre-of-the-2011-Tohoku_fig1_285958494
