1.   A local observatory has issued a volcano warning.

2.   A volcano on an island off Tokyo erupted Thursday, belching black ash into the sky but causing no immediate injuries or damage, a local observatory said.

3.   The plane was flying near, but outside of, an area that a local observatory warned might contain turbulent air, Japanese news reports said.

4.   According to a local observatory, tidal rises and falls in the water level were observed off Miyazakim, but no unusually big waves.