His primary areas of investigation include Seismology, Ionosphere, Geophysics, Earth's magnetic field and Ionospheric perturbations. Masashi Hayakawa has included themes like Magnitude, Signal and Fractal analysis in his Seismology study. His study in Ionosphere is interdisciplinary in nature, drawing from both Electromagnetic radiation, Electric field, Amplitude, Meteorology and Electromagnetic Phenomena.
Masashi Hayakawa combines subjects such as Lightning, Magnetosphere, Magnetic field, Noise and Coupling with his study of Geophysics. His studies deal with areas such as Principal component analysis, Fractal, Earthquake swarm and Geodesy as well as Earth's magnetic field. His Ionospheric perturbations research is multidisciplinary, incorporating elements of Gravity wave and Very low frequency.
His scientific interests lie mostly in Ionosphere, Geophysics, Seismology, Computational physics and Amplitude. His Ionosphere research incorporates elements of Atmosphere, Electric field, Atmospheric sciences and Geodesy. He focuses mostly in the field of Geophysics, narrowing it down to matters related to Whistler and, in some cases, Latitude.
His Seismology study integrates concerns from other disciplines, such as Ionospheric perturbations, Magnitude and Earth's magnetic field. His work deals with themes such as Electromagnetic radiation, Optics and Electromagnetic field, which intersect with Computational physics. His research in Amplitude intersects with topics in Signal and Very low frequency.
The scientist’s investigation covers issues in Ionosphere, Geophysics, Seismology, Schumann resonances and Computational physics. His research on Ionosphere also deals with topics like
His Seismology research is multidisciplinary, incorporating perspectives in Ionospheric perturbations, Magnitude and Earth's magnetic field, Magnetic field. His biological study spans a wide range of topics, including Spectral line, Signal, Nuclear magnetic resonance and Conductivity. His Computational physics study combines topics from a wide range of disciplines, such as Time domain, Radio wave, Resonance, Electric field and Waveform.
His primary scientific interests are in Ionosphere, Seismology, Magnetic field, Geophysics and Schumann resonances. His Ionosphere research includes elements of Atmosphere, Electromagnetic field, Atmospheric sciences, Amplitude and Signal. His studies deal with areas such as Ionospheric perturbations, Magnetometer, Earth's magnetic field and Internal gravity wave as well as Seismology.
His research integrates issues of Epicenter, Ultra low frequency, Earthquake prediction, Lithosphere and Resonator in his study of Magnetic field. Masashi Hayakawa combines subjects such as Anomaly and Stratosphere with his study of Geophysics. The Schumann resonances study combines topics in areas such as Propagation constant, Computational physics and Conductivity.
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Atmospheric and ionospheric electromagnetic phenomena associated with earthquakes
M. Hayakawa.
(1999)
Resonances in the Earth-Ionosphere Cavity
A. P. Nickolaenko;M. Hayakawa.
(2002)
Results of ultra-low-frequency magnetic field measurements during the Guam Earthquake of 8 August 1993
Masashi Hayakawa;Ryusuke Kawate;Oleg A. Molchanov;Kiyohumi Yumoto.
Geophysical Research Letters (1996)
Thermal IR satellite data application for earthquake research in Japan and China
Andrew A. Tronin;Masashi Hayakawa;Oleg A. Molchanov.
Journal of Geodynamics (2002)
Subionospheric VLF signal perturbations possibly related to earthquakes
O. A. Molchanov;M. Hayakawa.
Journal of Geophysical Research (1998)
Generation of ULF electromagnetic emissions by microfracturing
O. A. Molchanov;M. Hayakawa.
Geophysical Research Letters (1995)
Fractal analysis of ULF geomagnetic data associated with the Guam Earthquake on August 8, 1993
Masashi Hayakawa;Tetsuya Ito;Natalia Smirnova.
Geophysical Research Letters (1999)
The precursory signature effect of the Kobe earthquake on VLF subionospheric signals
M. Hayakawa.
J. Comm. Res. Lab. (1996)
Monitoring of ULF (Ultra-Low-Frequency) Geomagnetic Variations Associated with Earthquakes
Masashi Hayakawa;Katsumi Hattori;Kenji Ohta.
Sensors (2007)
Penetration characteristics of electromagnetic emissions from an underground seismic source into the atmosphere, ionosphere, and magnetosphere
O. A. Molchanov;M. Hayakawa;V. A. Rafalsky.
Journal of Geophysical Research (1995)
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