Solid Earth Sciences (S)
Session Sub-category Complex & General(CG)
Session ID S-CG62
Title Reducing risks from earthquakes, tsunamis & volcanoes: new applications of realtime geophysical data
Short Title Real-time monitoring and prediction
Main Convener Name Yuki Kodera
Affiliation Meteorological Research Institute, Japan Meteorological Agency
Co-Convener 1 Name Masumi Yamada
Affiliation Disaster Prevention Research Institute, Kyoto University
Co-Convener 2 Name Yusaku Ohta
Affiliation Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University
Co-Convener 3 Name Naotaka YAMAMOTO CHIKASADA
Affiliation National Research Institute for Earth Science and Disaster Resilience
Co-Convener 4 Name Tim Clements
Affiliation USGS Earthquake Science Center
Session Language
E
Scope
As the number of population centers grows in regions with earthquake, tsunami and volcano hazards, the importance of improving methods for rapid, realtime estimates of activity increases. Realtime monitoring, analysis, and prediction of seismic ground motion, crustal movement and tsunami will be powerful tools to contribute to earthquake and tsunami disaster preparedness/mitigation. Tsunami and Earthquake Early Warning systems exist today in many locations around the world. Now JMA has started to promptly provide Eruption Notices to inform people of impending and beginning volcanic eruptions. Large events like the 2011 Tohoku Earthquake (Mw9.0) have demonstrated some of the shortcomings of existing techniques. In this session, we invite presentations on new ideas, methods and applications of (near) realtime analysis of seismic, geodetic and tsunami data, to the problem of realtime prediction aimed at improving disaster preparedness/mitigation in the fields of earthquake, tsunami and volcano observation. Presentation is encouraged to bring together scientists, engineers, and practitioners from a broad range of backgrounds from around the world, and to promote collaborative communication at the leading edge of the science and technologies.
Presentation Format Oral and Poster presentation
Invited Authors Jessie K. Saunders (Seismological Laboratory, Caltech)
Nariaki Okawara (Seismology and Volcanology Department, Japan Meteorological Agency)
Time Presentation No Title Presenter
Oral Presentation May 26 PM1
13:45 - 14:00 SCG62-01 Developing and testing a ground-motion-based earthquake early warning algorithm for the U.S. ShakeAlert system Jessie K Saunders
14:00 - 14:15 SCG62-02 Recent technical improvements in the Earthquake Early Warning system of the Japan Meteorological Agency Nariaki OKAWARA
14:15 - 14:30 SCG62-03 Prediction of Long-Period Ground Motion and Building Shaking from Nankai Trough Earthquakes Using Deep Learning Takuma Kai
14:30 - 14:45 SCG62-04 Automatic Rapid Tsunami Identification and Tracking by Ionosphere: The 2025 Kamchatka tsunami case in the far-field. Maletckii Boris
14:45 - 15:00 SCG62-05 Tsunami Forecast Method Using a Hybrid Method of Data Assimilation with Preliminary Estimated Fault Model as a Digital Twin for Tsunami Disaster Resilience Rinda Nita Ratnasari
15:00 - 15:15 SCG62-06 Estimating Tsunami Wave Fields using Sea-Floor Magnetic Field Observations Zhiheng Lin
Presentation No Title Presenter
Poster Presentation May 26 PM3
SCG62-P01 Real-time detection of abnormal data by comparing acceleration and velocity waveforms: Quality check for earthquake early warning Mitsuyuki Hoshiba
SCG62-P02 Azimuth-Dependent Bias in Back Azimuth Estimation for Single-Station Earthquake Early Warning and Empirical Correction Ryoya Matsushima
SCG62-P03 Real-time Hypocenter Determination Using a Small-aperture Strong-motion Array Shunta Wada
SCG62-P04 Rapid estimation of high-frequency energy source immediately after a major earthquake Kaoru Sawazaki
SCG62-P05 Toward real-time seismic intensity time-series prediction using a graph neural network Gota Watanabe
SCG62-P06 On the estimation of GMPE-based Mw for moderate magnitude earthquakes in the Japan Trench area Yadab P. Dhakal
SCG62-P07 Timeliness improvement of earthquake early warning with P-waves from subsequent ruptures: application to P-phase magnitude estimation Yuki Kodera
SCG62-P08 Detection of tsunami and ocean currents from vessel's sway with its yaw motion Daisuke Inazu
SCG62-P09 Tides and the 2025 Kamchatka tsunami detected using DAS on the Tonankai-oki cable along the Nankai Trough, Japan Masayuki Tanaka