Shock waves triggered by a massive underwater volcanic eruption near Tonga on Jan. 15 were apparently responsible for tidal surges seen along Japan’s Pacific coastline, according to experts.

Tsunami experts theorize that shock waves produced after a massive underwater volcanic eruption near Tonga on Jan. 15 caused the higher tidal levels seen along Japan's Pacific coastline.

Proteus Marine Renewables has successfully deployed the AR1100 tidal turbine in Japan, becoming the first tidal energy company to operate megawatt-scale devices in two countries. Now. . .

Proteus Marine Renewables has deployed the AR1100 tidal turbine in Japan, which became the country's first ever ...