VolcanoWatch Weekly [11 Nov 2009]

SI / USGS Weekly Volcanic Activity Report
(4 November – 10 November 2009)

New activity/Unrest:

Batur, Bali (Indonesia);  Galeras, Colombia; Karangetang [Api Siau], Siau I; Mayon, Luzon;  Nevado del Huila, Colombia;  Piton de la Fournaise, Reunion Island; Reventador, Ecuador;  San Vicente, El Salvador

GVP Volcano News:

OVPDLF reported that on 5 November a vent inside the S part of Piton de la Fournaise’s Dolomieu crater opened, following an intense seismic crisis. Within thirty minutes, a fissure on the upper SE flank propagated E and a second fissure opened on the E flank.

PHIVOLCS reported that on 11 November an explosion from Mayon’ssummit crater ejected incandescent rock fragments seen from nearby areas. Cloud cover prevented observations of an ash plume, however fieldinvestigations after the event revealed ashfall to the SW.—GVP

Ongoing Activity:

Chaitén, Southern Chile;  Dukono, Halmahera;  Karymsky, Eastern Kamchatka;  Kilauea, Hawaii;  Kliuchevskoi, Central Kamchatka (Russia); Koryaksky, Eastern Kamchatka;  Rabaul, New Britain;  Sakura-jima, Kyushu;  Santa María, Guatemala;  Shiveluch, Central Kamchatka (Russia); Soufrière Hills, Montserrat; Suwanose-jima, Ryukyu Islands (Japan)

 

Related Links:

• Volcanic Explosions Could Split More Than Africa
• Arabia Shakes
• VolcanoWatch Weekly [28 Oct 2009]
• VolcanoWatch Weekly [26 Oct 2009]

More Links:

• Messages From Earth’s Powerhouse
• Weekly Volcano Watch: 19 March 2009

• A New Era of Intense Volcanic Unrest May Have Begun
• Tonga’s Metis Shoal may be erupting
• Rumble III Volcano “blew its top!”
• Volcanoes
• Earthquakes

FEWW Volcanic Activity Forecast

• Sumatra’s Mt Kerinci Erupts

• Sumatra’s Mt Kerinci Erupts
• Volcano Watch Weekly: 23 April 2009

• Weekly Volcano Watch: 16 April 2009
• Weekly Volcano Watch: 2 April 2009

• FEWW Volcano Links
• Volcanoes
• FEWW Earthquake Links

Other Related Links:

• U.S. Volcano Status Map
• Elevated Activity Page
• U.S. Volcano Webcams

Recent Posts on Chaitén:

• Chaitén: A New Phase of Activity?
• Chaitén Still Awake!
• Chaitén: Volcano with a Mission?
• Chaitén: Volcano that Doesn’t Sleep