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The importance of understanding seismic waves and measurement waves has gravitated form the seismic prediction to training electromagnetic propagation. Seismic electromagnetic waves may be useful in shor t-term earthquake prediction. It was found our observation system is influenced by lightni ng as far away as about hundreds km in the VLF and LF range. It is found that the increase in the number of LF and VLF electromagnetic pulses before earthquakes were generated by lightning. Some researches show that there is...