Volcanic eruptions/activity in Indonesia, Peru and Russia, thousands evacuated – 241013 1200z

Indonesia

Mount Sinabung Volcano N 3 10.267, E 98 23.417

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.

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. The volcano’s last major eruption in August 2010 killed two people and forced 30,000 others to flee. It caught many scientists off guard because it had been quiet for four centuries. Mount Sinabung is among more than 120 active volcanoes in Indonesia, which is prone to seismic upheaval due to its location on the Pacific “Ring of Fire,” an arc of volcanos and fault lines encircling the Pacific Basin.

Thursday, 24 October, 2013 at 10:20 (10:20 AM) UTC RSOE

(Video credit:Riza Kayikci ) Published on Oct 23, 2013 Volcano Eruption Indonesia

Peru

Ubinas Volcano S 16 21.300, W 70 54.180

The Peruvian Geophysics Institute (IGP) reports that Ubinas Volcano in Moquegua has once again shown signs of activity.

In early September, Ubinas registered a number of small explosions that initially cause alarm in the local population. However, as a column of potentially dangerous silica ash rose as high as two kilometers into the sky, authorities were forced to declare a State of Emergency in the area. The volcano had been quiet for several weeks, but now it has once again released smoke and ash into the air. Andina news agency reports that the incident occurred on the afternoon of Oct. 22, and lasted approximately two minutes. Equipment used by IGP scientists registered movement inside of the volcano before it released the cloud of smoke and ash. However, the incident is not being described as an eruption, because it lacked the explosive force necessary to categorize it as such. Andina reports that Ubinas Volcano is the most active volcano in Peru, having registered 24 eruptions over five centuries. Prior to the explosions in early September, the volcano had been dormant since 2009. The silica ash released by the volcano in September caused locals to experience medical problems such as headaches, stomach pain, and vomiting.

Thursday, 24 October, 2013 at 04:00 (04:00 AM) UTC RSOE

Russia

Zhupanovsky Volcano N 53 35.300, E 159 8.900

A new explosive eruption started yesterday night (23 Oct). An ash plume was detected drifting at an estimated 16,000 ft (5 km) altitude and drifting ESE.

At least 1 mm of ash have been deposited in the Nalychevo valley, a natural park between Zhupanovsky and Avachinsky volcanoes. Zhupanovsky volcano lies about 70 km northeast of the capital of Kamchatka, Petropavlovsk-Kamchatsky, and had its last eruption in 1959. It is a complex volcano composed of several overlapping cones aligned on a roughly east-west oriented axis. The new eruption comes from the same vent that has been also the site of all known historical eruptions, located west of the highest point of the volcanic massif.

Thursday, 24 October, 2013 at 10:23 (10:23 AM) UTC RSOE

Related:

Types of volcanic eruptions – Wikipedia

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