AUTHOR=Ariyoshi Keisuke , Kimura Toshinori , Miyazawa Yasumasa , Varlamov Sergey , Iinuma Takeshi , Nagano Akira , Gomberg Joan , Araki Eiichiro , Miyama Toru , Sueki Kentaro , Yada Shuichiro , Hori Takane , Takahashi Narumi , Kodaira Shuichi TITLE=Corrigendum: Precise Monitoring of Pore Pressure at Boreholes Around Nankai Trough Toward Early Detecting Crustal Deformation JOURNAL=Frontiers in Earth Science VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2021.770719 DOI=10.3389/feart.2021.770719 ISSN=2296-6463