The tsunami was a 7.7-magnitude earthquake off the Indonesian island of Java . A German organization involved in maintaining the tsunami warning system says it happened . Meanwhile , the Indonesian state news agency ANTARA , quoting officials in the affected area , reported the latest toll was at least 370 dead , with 334 people still missing and some 486 houses destroyed . Reports of damage before the tsunami ` ` are entirely unfounded , '' the organization says .
The tsunami was a 7.7-magnitude earthquake off the Indonesian island of Java . A German organization involved in maintaining the tsunami warning system says it happened . Reports of damage before the tsunami ` ` are entirely unfounded , '' the organization says .