Tsunami Warning California Map – An earthquake with a preliminary magnitude of 7.5 on the Richter scale prompted a tsunami warning on New Year’s Day. . Officials in Japan have issued a tsunami warning after more than 20 earthquakes were reported to have struck the country on New Year’s Day. .
Tsunami Warning California Map Tonga tsunami: Swell triggered by undersea volcanic eruption : Japanese officials issued tsunami and evacuation warnings after a powerful earthquake struck the west coast on Monday afternoon. An earthquake with a preliminary magnitude of 7.5 struck at about . The Japan Meteorological Agency (JMA) issued tsunami warnings for the coastal prefectures of Ishikawa, Niigata and Toyama. A major tsunami warning – the first since the March 2011 earthquake and .