Japan Advises Remote Japanese Islands of Potential Tsunami After Undersea Earthquake

TOKYO—Japan’s meteorological agency issued a tsunami advisory Tuesday morning to remote islands south of Tokyo after an earthquake that may have been triggered by volcanic activity. The offshore quake was not felt, and no damage or injuries have been reported. The Japan Meteorological Agency said a magnitude 5.9 quake hit off the Izu Islands and tsunami waves up to 1 meter (yards) above tide levels could occur on the coasts of the Izu and Ogasawara island chains. The U.S. Geological Survey measured the quake’s strength at 5.6 magnitude. The agency predicted small swelling of waves along the southeastern Pacific coasts but said there is no danger from it....