Mt Bromo Eruption Closes Airport

Java’s Bromo Volcano Erupts

Ash from Mt Bormo forces nearby Malang city’s airport to close

Indonesian government raised the eruption threat warning to code red, the highest alert status.

“The ash contains chemical substances which could cause engine trouble” to planes flying nearby, officials said.

The volcano was reportedly ejecting columns of ash into the air to a height of about 700 meters (2,300 feet).

The volcano is expected to continue erupting for “many days”  a government volcanologist said.

Tengger Caldera

Photo by Indonesia Department of Information

The 16-km-wide Tengger caldera is located at the northern end of a volcanic massif extending from Semeru volcano. The massive Tengger volcanic complex dates back to about 820,000 years ago and consists of five overlapping stratovolcanoes, each truncated by a caldera. Lava domes, pyroclastic cones, and a maar occupy the flanks of the massif. The Ngadisari caldera at the NE end of the complex formed about 150,000 years ago and is now drained through the Sapikerep valley. The most recent of the Tengger calderas is the 9 x 10 km wide Sandsea caldera at the SW end of the complex, which formed incrementally during the late Pleistocene and early Holocene. An overlapping cluster of post-caldera cones was constructed on the floor of the Sandsea caldera within the past several thousand years. The youngest of these is Bromo, one of Java’s most active and most frequently visited volcanoes. (Source: GVP)

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