The quake occurred at a depth of 78 kilometres. There were no immediate reportsof any loss of life or damage to property.
Earlier the day, a quake measuring 5.2 on the Richter scale shook the area,about 31km southwest of Daruba at a depth of 10km.
Indonesia, one of the most disaster-prone nations on earth, straddles thePacific "Ring of Fire", where tectonic plates collide and a largeportion of the world’s volcanic eruptions and earthquakes occur.
In 2004, a big earthquake off the northern Indonesian island of Sumatratriggered a tsunami across the Indian Ocean, killing 220,000 people in 13countries, including more than 168,000 in Indonesia.-VNA