The 39,722 dwt Honghae Sanyo's cargo is assumed to have shifted,
causing the vessel to capsize.
All 25 people on board died.
Bulker HONGHAE SANYO, 39722dwt, built 1976, 28 crew;
disappears with all hands off Japan in bad weather.
Cargo was sea sand.
Several sources indicate cargo shifted,
but it is pretty clear we dont know what happened.
IMO lists cause as Unknown.