Editing Mount Fuji (section)

=== Current eruptive danger ===
{{Update section|date=November 2022}}
Following the [[2011 Tōhoku earthquake and tsunami|2011 Tōhoku earthquake]], there was speculation in the media that the shock may induce volcanic unrest at Mount Fuji. In September 2012, mathematical models created by the National Research Institute for Earth Science and Disaster Prevention (NRIESDP) suggested that the pressure in Mount Fuji's [[magma chamber]] could be 1.6 [[pascal (unit)|megapascals]] higher than it was before its last eruption in 1707. This was interpreted by some media outlets to mean that an eruption of Mount Fuji could be imminent.<ref>{{cite magazine |url=https://www.wired.co.uk/article/mount-fuji|title=Pressure in Mount Fuji is now higher than last eruption, warn experts |last=Clark |first=Liat |magazine=[[Wired (magazine)|Wired]] |date=September 6, 2012 |access-date=November 17, 2023|archive-date=September 6, 2023|archive-url=https://web.archive.org/web/20230906182958/https://www.wired.co.uk/article/mount-fuji|url-status=live}}</ref> However, since there is no known method of directly measuring the pressure of a volcano's magma chamber, indirect calculations of the type used by NRIESDP are speculative and unverifiable. Other indicators suggestive of heightened eruptive danger, such as active [[fumarole]]s and recently discovered [[fault (geology)|faults]], are typical occurrences at this type of volcano.<ref>{{cite magazine |url=https://www.wired.com/2012/09/doom-volcano-research-media/|title=Doooom! The Perception of Volcano Research by the Media |last=Klemetti |first=Erik |magazine=[[Wired magazine|Wired]] |date=September 10, 2012|access-date=November 17, 2023|archive-date=March 25, 2023|archive-url=https://web.archive.org/web/20230325154058/https://www.wired.com/2012/09/doom-volcano-research-media/|url-status=live}}</ref>

Eruption fears continued into the 2020s. In 2021, a new hazard map was created to help residents plan for evacuation, stoking fears because of its increased estimate of lava flow and additional vents.<ref>{{Cite news|title=Japan: Mount Fuji report doubles estimate of lava flow|last=Ryall|first=Julian|location=Tokyo|date=April 7, 2021|url=https://www.dw.com/en/japan-mount-fuji-report-doubles-previous-estimate-of-lava-flow/a-57119635|access-date=November 19, 2023|publisher=[[Deutsche Welle]]|language=en}}</ref> Soon afterwards, a 4.8 magnitude earthquake hit the area, sending the phrase "Mt Fuji eruption" trending on [[Twitter]].<ref>{{cite news|date=December 2, 2021|title=Japan quells fears of Mt Fuji eruption after earthquake |language=en |publisher=[[Reuters]]|url=https://www.reuters.com/business/environment/japan-quells-fears-mt-fuji-eruption-after-earthquake-2021-12-03/ |access-date=November 19, 2023}}</ref> However, the Japan Meteorological Agency assured the public the earthquake did not increase the eruption risk. In 2023, a new evacuation plan was developed to account for the 2021 hazard map update.<ref>{{cite news|date=March 29, 2023|title=Mount Fuji eruption escape plan calls on residents to evacuate on foot|url=https://www.japantimes.co.jp/news/2023/03/29/national/mount-fuji-eruption-plan/|access-date=November 19, 2023|url-access=limited|work=[[The Japan Times]]|language=en}}</ref>