Fukushima: Tsunami warning issued

USGS confirms 7.4 magnitude quake, 72 miles from Fukushima. Wide spread power outages reported. 1m tsunami warning issued. Based on available data the warning is not issued Pacific wide and there is no threat to Hawaii.

The term tsunami comes from the Japanese 津波, composed of the two kanji 津 (tsu) meaning “harbor” and 波 (nami), meaning “wave”. Tsunami can be generated when the sea floor abruptly deforms and vertically displaces the overlying water.

Workers evacuate Fukushima Daiichi nuclear plant after 7.4-magnitude quake, Tokyo Electric Power Company says. So far, Tepco reports there are no additional problems at the Fukushima power plant.