AUTHOR=Yang Mingbo , Liu Guiping , Chen Yuxuan , Hua Peixue , Hu Leyin , Wang Zhiguo , Wang Shanshan , Sun Xiaoru , Zhou Yonggang , Zhang Haichun , Feng Gang , Gao Xiang , Zhang Yuqi TITLE=Short-term seismic precursor anomalies in hydrogen concentration at fault gas stations along the Northern Margin Fault of the Yanqing Basin of Beijing, China JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1474630 DOI=10.3389/feart.2024.1474630 ISSN=2296-6463