AUTHOR=Zhang Wenxu , Li Mingqian , Yang Yao , Rui Xuelian , Lu Minggui , Lan Shuangshuang TITLE=Implications of groundwater level changes before near field earthquakes and its influencing factors - several earthquakes in the vicinity of the Longmenshan-Anninghe fault as an example JOURNAL=Frontiers in Earth Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1541346 DOI=10.3389/feart.2025.1541346 ISSN=2296-6463