“Seismograph with smoked paper drum recording” is updated on our Youtube ERI channel【QE】Seismic and infrasound observation in Nishinoshima islandNishinoshima Island – aerial shot 2018 – is updated on our youtube ERI channel“Visualizing Seismic Wave: P wave and S wave “is updated on our youtube ERI channelNews Letter Plus Digest 2019 issuedEarthquake & Volcano InfomationDate publishedTitleLast updateLatest researchDate publishedTitle2021/01/04Inversion of Longer‐Period OBS Waveforms for P Structures in the Oceanic Lithosphere and Asthenosphere2020/11/20The generation of large earthquakes2020/11/10Regional probabilistic tsunami hazard assessment associated with active faults along the eastern margin of the Sea of Japan2020/09/11Comprehensive detection of very low frequency earthquakes off the Hokkaido and Tohoku Pacific coasts, northeastern Japan2020/09/01Marine Sediment Characterized by Ocean-Bottom Fiber-Optic Seismology