Hokkaido Electric logged an increase of 39.6 billion yen from the previous year by investing 261.8 billion yen to erect a coastal levee to block tsunami at its Tomari nuclearplant in Hokkaido.
A tsunami warning has been issued for a magnitude 6.9 earthquake in the Hyuga-Nada Sea off the coast of Japan, according to the Japan Meteorological Agency.
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