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Archive for the ‘Turrialba’ Category

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.

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FEWW Volcanic Activity Forecast

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Posted in Rinjani, Tungurahua, Turrialba, volcanism, volcano | Tagged: , , , , , | 1 Comment »

Volcano Watch No. 39

Posted by feww on October 2, 2008

24 – 30 September 2008

New Activity/Unrest:

Garbuna Group, New Britain

RVO reported ash emissions from Garbuna on 23 September through 1 October. Ash plumes rose to an altitude of about 1.6 km a.s.l. and drifted NW.

Piton de la Fournaise, Reunion Island

OVPDLF reported  lava flows from Piton de la Fournaise 24-30 September ponding at the bottom of Dolomieu crater. Air photos [25 September] showed lava flow was about 180 m long by 100 m wide and 30 m deep. The erupted volume was estimated at 300,000 cubic meters.

Sangay, Ecuador

Having analyzed satellite imagery, information from the Guayaquil MWO, and pilot reports, Washington VAAC reported a minor ash plume rising from Sangay on 24 September.

Garbuna Volcano Complex

The Garbuna volcano group at the southern end of the Willaumez Peninsula rises to the WNW across Stetin Bay. The complex consists of three volcanic peaks, Krummel, Garbuna, and Welcker, along a N-S line. The most prominent peaks, Welcker (right) and Krummel (left), anchor the northern and southern sides of the complex, respectively. The lower peaks of the centrally located Garbuna volcano contain a large vegetation-free area that is probably the most extensive thermal field in Papua New Guinea. Photo by Elliot Endo, 2002 (U.S. Geological Survey). Source of image and caption: GVP.

Country: Papua New Guinea
Subregion Name: New Britain
Volcano Type: Stratovolcanoes
Last Known Eruption: 2008

Summit Elevation: 564 m
Latitude:     5.45°S     5°27’0″S
150.03°E     150°2’0″E

Ongoing Activity:

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

Posted in Akan volcano, Dukono, Santa María Volcano, Suwanose-jima, Turrialba | Tagged: , , , , | Leave a Comment »