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Ipoh Current Weather

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Wednesday 1 September 2010

Mount Sinabung volcanic eruption

Mount Sinabung is located at North Sumatra, Indonesia. Many old lava flows are on its flanks and the last know eruption occurred in the year 1600. Solfataric activities (cracks where steam, gas and lava are emitted) were last observed at the summit in 1912 but no other documented events taken place until an eruption in the early hours of 29th August 2010.
Geology:

Most of the Indonesian volcanism from the Sunda Arc, created by the subduction of the Indo-Australian Plate under the Eurasian Plate. This arc is bounded on the north-northwest by the Andaman Islands, a chain of basaltic volcanoes, and on the east by the Banda Arc, also created by subduction. Its elevation peak was 2,460m (8,071ft).
Eruption:

On 29th August, the volcano experienced a minor eruption after several days of rumbling. Ash spewed into the atmosphere up to 1.5 kilometres (0.93 mi) and lava was seen overflowing the crater. The volcano had been inactive for centuries with the most recent eruption occurring in 1600. Mount Sinabung is classified as category “B” volcano, which means it is not necessary for it to be monitored intensively.
On Friday 3rd September, two more eruptions were noted. The first happened at 4:45hrs in the early morning, forcing more villagers to leave their homes, some of them had just returned the day before. This eruption was the most intense so far, with ash spewed up into the atmosphere about 3km high. Some hours before the eruption a warning had been issued through the volcanology agency, the most villagers were prepare to leave quickly. A second eruption occurred the same evening, around 18:00hrs. The eruption came with earth quakes which could be felt in a 25km distance around the volcano.
Effects:
The nearest towns to the volcano are Kabanjahe and Berastagi; there are no disruptions reported to air services at the regional airport, Medan's Polonia. One person is reported dead from respiratory problems while fleeing his home.

The location of Mt. Sinabung between from my home country, Ipoh is as far as 341km away.