Kholoptsev AV. The Changes in Distribution of Total Ozone over the Kamchatka Region and Hazardous Endogenous Geological Phenomena, That Occurred Here in 2016-2025. PCRR. 2025;1(1):1-21. Accessed November 4, 2025. https://journals.explorerpress.com/index.php/pcrr/article/view/11