The Jakarta Post
Mount Merapi, located in Yogyakarta, emitted high-pressure gas on Sunday afternoon that caused its crater wall to collapse and volcanic ash to fall on its western slope, as smoke billowed up to 1 kilometer into the sky.
As the gas discharge was not followed by other dangerous volcanic activity, the phenomenon was regarded as a small-scale volcanic eruption and the volcano’s alert status remained normal.
“Mount Merapi’s status remains normal because there was no dangerous volcanic activity,” said Volcanic Technology Development and Research Center (BPPTK) head Subandriyo on Monday.
According to Subandriyo, the incident was due to the accumulation of gas produced by the volcano’s magma. As the gas’ exit fumarole was too narrow, the volcano eventually released all the buildup of very high pressure gas by erupting, which caused the crater wall to collapse an...