A powerful earthquake struck off the western coast of Indonesia's Sumatra Island on Monday, there were no immediate report of injuries or damage.

The 5.9-magnitude quake was centered 530 kilometers southwest of Lampung provincial capital of Bandar Lampung, reported The Jakarta Post online news, quoting report from the Meteorology and Geophysics Agency.

Lampung is located on the southern tip of Sumatra island, about 250 kilometers northwest of Jakarta.

Earlier on Sunday, two mild quakes rattled Padang Sidempuan mayoralty and Gunung Sitoli -- the capital of Nias regency -- in North Sumatra province.

The 3.2-magnitude earthquake that shook Padang Sidempuan was centered some 9 kilometers inland from the town and about 2.1 kilometers deep.

Meanwhile, a 4.2-magnitude quake that rattled Gunung Sitoli on Nias Island was centered on the sea some 42 kilometers northwest of the town and 33 kilometers deep.

Indonesia is prone to earthquakes because of its location on the so-called Pacific "Ring of Fire," an arc of volcanoes and fault lines encircling the Pacific Basin.

On May 27, a 5.9 magnitude earthquake devastated regions in Central Java province and Yogyakarta, killing more than 5,800 people.

Source: Xinhua