Indonesia

SuGAr has been observing surface deformation in Sumatra since 2002.

A magnitude-7.9 earthquake struck Padang in September 2009. The epicentre was just 45 kilometres west of the city.

A magnitude-7.9 earthquake struck Padang in September 2009. The epicentre was just 45 kilometres west of the city.

The 2004 Sumatra-Andaman earthquake generated a huge tsunami that devastated the shores of the Indian Ocean.

In 2010 the Merapi experienced a dome collapse, which generated powerful pyroclastic flows.

Kelimutu volcano is located on the island of Flores in Indonesia. It has three summit crater lakes of various colours.

In June 2006, after several months of unrest, several pyroclastic flows rushed down the southern slopes of the Merapi.

Merbabu stratovolcano, view from the north face of the Merapi. Merbabu's last eruption occurred in 1797.

Sumbing and Sundoro stratovolcanoes, view from the north face of the Merapi. Sumbing erupted for the last time during the 18th century, and Sundoro in 1971.

Lahars are mudflows rushing down the slopes of volcanoes. They are caused by the remobilization of ashes during rainfalls on recent volcanic deposits.

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