thebangladeshtoday.com-Nov 12,2013

MEDAN: A volcano in western Indonesia erupted on Thursday, unleashing a column of dark volcanic material high into the air weeks after villagers were returning home from an earlier eruption, officials said reports UNB.
The explosion at Mount Sinabung, located in North Sumatra province, shot black ash 3 kilometers (nearly 2 miles) into the air, but there were no reports of injuries or damage, said National Mitigation Agency spokesman Sutopo Purwo Nugroho.
He said villages, farms and trees around the 2,600-meter (8,530-foot)
high rumbling volcano were covered in thick gray ash, prompting authorities to evacuate more than 3,300 people. Most were from two villages within 3 kilometers (nearly 2 miles) of the mountain in Karo district.
No lava or debris spewed from the volcano, and nearby towns and villages were not in danger, but authorities warned tourists to stay away from the danger zone located 1.5 kilometers (1 mile) from the crater, Nugroho said.
Last month, more than 15,000 people were forced to flee when the volcano rumbled to life after being dormant for three years, belching ash and smoke and igniting fires on its slopes.
 

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volcanodiscovery-Aug 6,2013

Karymsky (Kamchatka): After months with probably only smaller explosive activity, a powerful vulcanian eruption took place last night (22:35 UTC), producing a 3-4 km tall ash plume rising to 20,000 ft (6 km) elevation.
The plume was observed by a helicopter pilot and on satellite imagery drifting east. About 5 hours after the eruption, the plume was 50 miles (80 km) ESE of the volcano.

Tongariro (North Island, New Zealand): During the past two weeks, GeoNet has been recording very small earthquakes beneath the volcano. The quakes were too small to be located but show up on local seismic stations.
GNS Science said the earthquakes could simply be part of the background unrest typical of most active volcanoes. However, in this case they are of interest at this time because there have been so few at Tongariro since November 2012 and potentially could signal changes occurring inside the volcano.

Read More: http://www.volcanodiscovery.com/volcanoes/today.html
 

volcanodiscovery-July 22,2013

www.esa.int-July 5,2013

Olympus Mons in context

Like Mauna Kea, Olympus Mons is a shield volcano, with gently sloping sides that extend outwards at low angles. But unlike other shield volcanoes, it has an abrupt cliff edge, or scarp, separating it from the surrounding plains.

volcanodiscovery-July 5,2013