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A catastrophic earthquake, namely the 921-earthquake, occurred with a magnitude of M(L)=7.3 in Taiwan on September 21, 1999, causing severe disaster. The evaluation of real-time air-quality data, obtained by the Taiwan Environmental Protection Administration (EPA), revealed a staggering increase in ambient SO(2) concentrations by more than one order of magnitude across the island several hours prior to the earthquake, particularly at background stations. The abrupt increase in SO(2) concentrations likely resulted from seismic-triggered degassing instead of air pollution. An additional case of a large earthquake (M(L)=6.8), occurring on March 31, 2002, was examined to confirm our observations of significantly enhanced SO(2) concentrations in ambient air prior to large earthquakes. The coincidence between large earthquakes and increases in trace gases during the pre-quake period (several hours) indicates the potential of employing air-quality monitoring data to forecast catastrophic earthquakes.
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http://dx.doi.org/10.1016/j.scitotenv.2010.02.023 | DOI Listing |
Sci Bull (Beijing)
August 2025
State Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing 100124, China; Department of Chemical Engineering, College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China. Electronic address:
Int J Anal Chem
August 2025
Department of Chemistry, Government College University, Faisalabad 38030, Pakistan.
This study examines the flue gas emissions originated from various fuel types used in the textile industries of Faisalabad, Pakistan, and their compliance with the Punjab Environmental Quality Standards (PEQS), Pakistan. Data from 109 textile factories revealed significant emission variations based on fuel types. Natural gas was identified as an eco-friendly fuel, with emissions far below the PEQS limits (CO: 334.
View Article and Find Full Text PDFEnviron Pollut
September 2025
China National Environmental Monitoring Centre. Beijing 100012, China. Electronic address:
As the world's largest producer of crude steel, China's iron and steel industry (ISI) is one of the major sources of both air pollutant and carbon dioxide (CO) emissions in the country. To better track emission patterns and assess the synergistic reduction potential under various policies during the 14 Five-Year Plan period, a high-frequency, smokestack-level and national emission database was developed that covers both air pollutants (i.e.
View Article and Find Full Text PDFEnviron Res
September 2025
Hubei Key Laboratory of Regional Ecology and Environmental Change, School of Geography and Information Engineering, China University of Geosciences, Wuhan, 430078, China. Electronic address:
Diatoms, an important group of primary producers, are valuable indicators of environment changes in aquatic ecosystems. Presently, limited knowledge is available on diatoms living on tree bark and their responses to atmospheric environmental changes. Mosses such as Hypnum callichroum living on the bark of Cinnamomum camphora were collected monthly in a 9-year period to explore temporal changes in composition, biomass and valve length of diatoms in a subtropical evergreen broadleaf forest.
View Article and Find Full Text PDFBMC Public Health
September 2025
State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.
Background: Although human studies on the hazard that air pollution represents to male reproductive health, there are wide variations in exposure concentration, key components, semen quality indicators and the identification of susceptible exposure windows. The study aimed to further explore the relationship between air pollution and semen quality and the more accurate sensitive exposure windows.
Methods: We investigated a cross-sectional study consisting of 1554 fertile men from Nanjing, China and evaluated their exposure to PM, PM, CO, SO, NO and O in the air.