Akimasa Yoshikawa

Kyushu University — Japan

Physics and Astronomy · Physical Sciences

27h-index2.8kcitations410works1.02yr avg
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Research Topics

Ionosphere and magnetosphere dynamics(265), Earthquake Detection and Analysis(198), Geomagnetism and Paleomagnetism Studies(170), Solar and Space Plasma Dynamics(162), Seismic Waves and Analysis(22)

Publications410 total

ULF signals as earthquake precursors in various tectonic regions
Discover Geoscience·2026Open Access
Multi-mode pre-seismic geomagnetic anomalies reveal potential mechanisms of the August 15, 2007, Mw8.0 Pisco earthquake: Pressure-stimulated rock current
Tectonophysics·2026
Evaluating Longitude Sensitivity of GIC Forecasting Models under Varying Solar Wind Conditions in Low-Latitude Regions
2025
The Sq-EEJ current system in a context of global Cowling effects with theoretical simulation
2025Open Access
SYMH Index Prediction with Neural Basis Expansion Analysis for Time Series (N-BEATS)
Kyushu University Institutional Repository (QIR) (Kyushu University)·2025Open Access
SYMH Index Prediction with Neural Basis Expansion Analysis for Time Series (N-BEATS)
Proceedings of International Exchange and Innovation Conference on Engineering & Sciences (IEICES)·2025Open Access
Multiple‐Event Study of Substorm Electric Field Penetration Into Middle Latitudes Based on Simultaneous Observation of 630‐nm Airglow Enhancements at Three Stations
Journal of Geophysical Research Space Physics·2025Open Access
Daily Variations of Inter-Hemispheric Field-Aligned Currents During Severe Geomagnetic Storms Using Equatorial Magnetic Field Measurements from Davao Station, Philippines
Springer proceedings in physics·2025Open Access
Quantum calculation for two-stream instability and advection test of Vlasov–Maxwell equations: numerical evaluation of Hamiltonian simulation
Journal of Plasma Physics·2025Open Access
A Quantum Algorithm for Nonlinear Electromagnetic Fluid Dynamics via Koopman-Von Neumann Linearization: 1D Numerical Evaluation Using Qulacs
2025
Mechanism of Multiple Anomalies Prior to Japan Earthquakes From 2021 to 2023: Lithosphere‐Coversphere‐Atmosphere‐Ionosphere Coupling Driven by Pressure‐Stimulated Rock Current
Earth and Space Science·2025Open Access
Does the Dayside Equatorial Ionospheric Electric Field Respond to Isolated Substorms?
Geophysical Research Letters·2025Open Access
Multi-Scale Observation-based Simulation Model for Investigating the Wave-Particle Interactions in the South Atlantic Magnetic Anomaly: Preliminary Results
2025Open Access
Mechanism of Multiple Anomalies Prior to Japan Earthquakes from 2021 to 2023: Lithosphere-Coversphere-Atmosphere-Ionosphere Coupling Driven by Pressure-Stimulated Rock Current
2025· 1 citedOpen Access
Comparative study of ground-based and satellite observations of Pc5 geomagnetic pulsations during solar cycle 23
Discover Space.·2025· 2 citedOpen Access
Low-Latitude Ionospheric and Geomagnetic Disturbances Caused by the X7.13 Solar Flare of 25 February 2014
Universe·2025Open Access
Multi-Mode Pre-Seismic Geomagnetic Anomalies Reveal Potential Mechanisms of the August 15, 2007, Mw8.0 Pisco Earthquake: Pressure-Stimulated Rock Current
SSRN Electronic Journal·2025Open Access
Cultivating Skills for Realizing Diverse Satellite Missions in Undergraduate Students Through Collaborative 2U CubeSat Development Between Universities
2025
Multi-Mode Pre-Seismic Geomagnetic Anomalies Reveal Potential Mechanisms of the August 15, 2007, Peru Earthquake: Pressure-Stimulated Rock Current
SSRN Electronic Journal·2025Open Access
Longitudinal Morphology of the Morning Counter Equatorial Electrojet during Low Solar Activity
2024Open Access
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Frequent Co-authors

K. Yumoto(11), Т. Уозуми(8), Yosuke Yamazaki(6), M. Itonaga(6), Nurul Shazana Abdul Hamid(6), Hideaki Kawano(5), Ryoichi Fujii(5), O. Amm(5), A. Ieda(5), Heikki Vanhamäki(5), K. Shiokawa(4), A. B. Rabiu(4), Libo Liu(4), R. A. Marshall(3), Shigeru Fujita(3), O. Saka(3), S. I. Solovyev(3), E. F. Vershinin(3), M. Shinohara(3), Ayako Matsuoka(3)