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Posts Tagged ‘Nyamuragira’

VolcanoWatch Weekly [21 January 2010]

Posted by feww on January 21, 2010

New activity/Unrest

13 January – 19 January 2010
SI /USGS Weekly Volcanic Activity Report

Volcano News (Source: GVP)

MVO reported that during 8-15 January activity from the Soufrière Hills lava dome increased significantly. One explosion on 8 January and two on 10 January generated ash plumes that rose to altitudes of 5.5-7.6 km a.s.l. Ash fell in occupied areas to the NW. On 18 January, a partial lava-dome collapse generated a pyroclastic flow. Smoke from burning houses in Kinsale was visible after the event.

The IG reported that during 13-14 January explosions from Tungurahua ejected incandescent material 1 km above and 1.5 km away from the crater, onto the flanks. (SOURCE: GVP)

Ongoing Activity

Arenal, Costa Rica;  Chaitén, Southern Chile; Gaua, Banks Islands (SW Pacific); Karymsky, Eastern Kamchatka; Kilauea, Hawaii (USA);  Kliuchevskoi, Central Kamchatka (Russia); Planchón-Peteroa, Central Chile-Argentina border; Rabaul, New Britain; Sakura-jima, Kyushu; Sangay, Ecuador; Shiveluch, Central Kamchatka (Russia);  Suwanose-jima, Ryukyu Islands (Japan)

The Weekly Volcanic Activity Report is a cooperative project between the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.

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FEWW Volcanic Activity Forecast

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VolcanoWatch Weekly [14 January 2010]

Posted by feww on January 14, 2010

New activity/Unrest

6 January -12 January 2010
SI /USGS Weekly Volcanic Activity Report

Volcano News (Source: GVP)

During 11-12 January, activity from Tungurahua increased; ash plumes rose to higher altitudes and more explosions were detected. Incandescent blocks were ejected almost 1 km above the crater and 1.5 km away from the crater, onto the flanks. Gas-and-ash plumes rose to an altitude of 8 km (26,200 ft) a.s.l.

MVO reported that during 31 December-8 January pyroclastic flows from the Soufrière Hills lava dome continued to travel predominantly down areas to the N. On 8 January, a large pyroclastic flow event occurred after a collapsing fountain of tephra was observed on the NE side of the volcano. Source: GVP

Ongoing Activity

The Weekly Volcanic Activity Report is a cooperative project between the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.

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FEWW Volcanic Activity Forecast

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VolcanoWatch Weekly [8 January 2010]

Posted by feww on January 11, 2010

VoW: Turrialba


Turrialba has been quiescent since a series of explosive eruptions during the 19th century that were sometimes accompanied by pyroclastic flows. Photo by Federico Chavarria Kopper, 1999. Caption: GVP.

Volcano Details

  • Country: Costa Rica
  • Volcano Number: 1405-07=
  • Volcano Type: Stratovolcano
  • Last Known Eruption: 1866 (see below for latest report)
  • Summit Elevation: 3,340 m
  • Latitude: 10.025°N  (10°1’30″N)
  • Longitude: 83.767°W  (83°46’1″W)

SI /USGS Weekly Volcanic Activity Report
(30 December – 5 January 2010)

New activity/Unrest:

Volcano News (Source: GVP)

An explosive eruption from Galeras on 2 January prompted INGEOMINAS to raise the Alert Level. An ash plume rose to an altitude of 12 km (39,400 ft) a.s.l. Ejected incandescent blocks ignited fires.

Nyamuragira erupted on 2 January from a fissure on the SE flank. By 3 January, the lava flow had traveled 4.6 km and had burned about 10 hectares of forest.

On 1 January, an ash plume from Tungurahua rose to an altitude of 5.9 km (19,500 ft) a.s.l. and drifted NW. Slight ashfall was reported the next day in Manzano. On 3 and 4 January, incandescent blocks were ejected from the crater.

On 5 January, OVSICORI-UNA reported that an eruption from Turrialba produced ashfall in local areas, particularly in areas to the SW. (SOURCE: GVP)

Ongoing Activity

Barren Island, Andaman Is;  Chaitén, Southern Chile;  Karymsky, Eastern Kamchatka;  Kilauea, Hawaii (USA);  Kliuchevskoi, Central Kamchatka (Russia);  Nevado del Huila, Colombia;  Rabaul, New Britain;  Sakura-jima, Kyushu;  Sangay, Ecuador;  Santa María, Guatemala;  Shiveluch, Central Kamchatka (Russia);  Soufrière Hills, Montserrat;  Suwanose-jima, Ryukyu Islands (Japan).

The Weekly Volcanic Activity Report is a cooperative project between the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.

Related Links:

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FEWW Volcanic Activity Forecast

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