Japan Meteorological Agency Issues Major Earthquake Advisory After Seven Point Four Magnitude Tremor
Japan's Meteorological Agency has issued a 'huge' earthquake advisory and tsunami warnings following a 7.4-magnitude tremor off the northeast coast on April 20, 2026. An 80 cm tsunami wave was recorded shortly after the quake. Authorities have warned of waves up to three metres in certain coastal areas, prompting evacuations and a reassessment of the nation's vulnerability to major seismic events.