Santa Ana Volcano (Ilamatepec) El Salvador

Ilamatepec volcano has shown increased levels of activity since 27 August 2005. Hundreds of small earthquakes have been registered daily, and there is an increase in water temperature at the volcanic lake. The increased activity indicates magma is close to the surface. The Territorial Studies Service (SNET) of the Ministry of the Environment has declared a yellow alert for the volcano. The Salvadorean government has announced that it will begin carrying out evacuation simulations for the population living near the volcano in anticipation of an eruption. According to the National Emergency Operation Centre (COEN), several shelters have been opened in the area to attend to families that may need to be evacuated. The volcano is not currently erupting.
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Indonesian Volcano Update

Updates for the week 5-11 September.
Merapi volcano is in level 2 alert (4 is highest). Visual observations recorded thick grey-white emissions 100m above the summit. 50 eruption earthquakes were recorded.
Talang volcano is in level 2 alert. Emissions from the main and south craters reached 1km above the summit.
Anak Krakatau remains at level 2 alert. Volcanic B earthquakes increased to 173. No explosions were recorded.
Papandayan volcano is in level 2 alert. Volcanic earthquakes decreased to 105.
Semeru volcano remains in alert level 2. Visual observation show grey emissions to 600m above the summit. 884 eruptions were recorded during the week. Volcanic tremor decreased to 72.
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Papua New Guinea Earthquake (Magnitude 7.3)

A major earthquake (Magnitude 7.3) hit Papua New Guinea on Friday, 9th September at 5:26 PM (local time). The earthquake hit 140 km ESE of Rabaul volcano. Earthquakes of this magnitude are capable of disrupting the magmatic systems of volcanoes. There is a possibility of local tsunamis within 100 km of the earthquke epicenter, but none have been reported.
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Anatahan Volcano (Mariana Islands)

Anatahan volcano stopped erupting on 3rd September. A pilot report on 3rd September at 2308 hr that no activity was occurring at the volcano. No ash was detected in satellite imagery at 0025hr 04 September.
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Nyiragongo Volcano (Democratic Republic of Congo)

Satellite images show a thin eruption plume at Nyiragongo volcano on 7th September. Nyiragongo is one of Africa's most active volcanoes. A large eruption in 2002 forced evacuation of the city of Goma.
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Kilauea Volcano (Hawaii)

More than 11 acres of land collapsed into the ocean at Kilauea volcano in Hawaii on 26-27 August. The collapse of East Lae`apuki lava delta was predicted for a few weeks, as cracks had appeared in the lava bench. Boulders up to 1 m in diameter were thrown onto the shore during the collapse. The bench collapse was 460 m long (parallel to shore) by 150 m wide (perpendicular to shore). Since August 27, lava has filled about 1.7 ha (4.25 acres) of the collapse area. Several streams of lava are pouring into the water off the East Lae`apuki delta.
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Mayon Volcano (Philippines)

A six-kilometer permanent danger zone (PDZ) has been placed around Mayon Volcano, following the growth of the lava dome in the summit crater. The Philippine Institute of Volcanology and Seismology says that the volcano could be recharging with magma, and a new series of eruptions may not be far away. Currently the volume of lava in the crater is small. However, further emisson of lava could spill into the lower portion of the crater rim facing the southeast side of the mountain. Mayon volcano remains at level 2 alert.
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Indonesia Volcano Update

Thirteen volcanoes (out of 69 monitored) are at raised alert levels in Indonesia, as of 28th August. Marapi, Sorik Marapi, Talang, Anak Krakatau, Semeru, Papandayan, Merapi, Egon, Lokon, Soputan, Dukono, and Rinjani are at alert level 2 (4 is highest). Karangetang volcano is at alert level 3. 56 other volcanoes are at normal level.
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