{"references": ["Maeda Y (2023) A systematic survey for precursory tilt changes at all monitored eruptions in Japan, J Volcanol Geotherm Res, 439, 107831. https://doi.org/10.1016/j.jvolgeores.2023.107831", "Maeda Y, Watanabe T (2022) Estimating errors in autocorrelation functions for reliable investigations of reflection profiles, Earth Planets Space 74, 48. https://doi.org/10.1186/s40623-022-01606-5", "Maeda Y, Yamanaka Y, Ito T, Horikawa S (2020) Machine learning based detection of volcano seismicity using the spatial pattern of amplitudes, Geophys J Int 225(1), 416-444. https://doi.org/10.1093/gji/ggaa593", "Maeda Y, Kumagai H (2017) A generalized equation for the resonance frequencies of a fluid-filled crack, Geophys J Int 209(1), 192-201. https://doi.org/10.1093/gji/ggx019", "Kazahaya R, Maeda Y, Mori T, Shinohara H, Takeo M (2015) Changes to the volcanic outgassing mechanism and very-long-period seismicity from 2007 to 2011 at Mt. Asama, Japan, Earth Planet Sci Lett 418, 1-10. https://doi.org/10.1016/j.epsl.2015.02.034"]}

An open-source software package for data analyses in seismology and volcanology. The source codes are written in C and can be implemented on Linux or Mac computers. The documentation is available from: https://www.seis.nagoya-u.ac.jp/~maeda/ymaeda_opentools_doc/index.html