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Strong-Motion Records Obtained by an ArrayObservation System During the 2011 Great EastJapan Earthquake, Journal of Disaster Research,Vol.7, No.6, 1-10, 2012.

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1)Hayakawa, M.,and Y. Hobara, Current status of seismo-electromagnetics for short-term earthquake prediction,Geomatics, Nat. Hazards Risk, 1(2), 115–155,doi:10.1080/19475705.2010.486933, 2010.

2)T. Kawano, K. Tatsuta and Y. Hobara, A Statistical Study onVLF Subionospheric Perturbations Associated with MajorEarthquakes: A View from Focal Mechanism, AmericanGeophysical Union Fall Meeting, San Francisco, USA, 2015.

3)Tatsuta, K., Y. Hobara, S. Pal, and M. Balikhin, Sub-ionospheric VLF signal anomaly due to geomagnetic storms:A statistical study, Ann. Geophys., 33(11), 1457–1467,doi:10.5194/angeo-33-1457-2015, 2015.

4)Pal, S., and Y. Hobara, Mid-latitude atmosphere andionosphere connection as revealed by very low frequencysignals, J. Atmos. Sol. Terr. Phys., 138–139, 227–232,doi:10.1016/j.jastp.2015.12.008, 2016.

5)Pal, S., Y. Hobara, S. K. Chakrabarti and P. W. Schnoor,Effects of the major sudden stratospheric warming event of2009 on the subionospheric very low frequency/lowfrequency radio signals, J. Geophys. Res. , Vol.122 No.7,7555-7566, doi: 10.1002/2016JA023813, 2017.

6)Santosa, H., and Y. Hobara, One day prediction ofnighttime VLF amplitudes using nonlinear autoregressionand neural network modeling, Radio Science, Vol. 52, 132–145, doi: 10.1002/2016RS006022, 2017.

7)Hobara, H., H. Ishii, Y. Kumagai, C. Liu, S. Heckman, C.Price and E. R. Williams, Preliminary Results from theJapanese total lightning network, American GeophysicalUnion Fall Meeting, San Francisco, USA, 2015.

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