VolcanoWatch Weekly [17 Dec 2009]

VoW: Mayon

We would have liked to reprint a striking image of Mayon Volcano taken from space, and all that NASA had made available as of posting was this truly disappointing “turn-of-the-satellite” image:

Mt Mayon. Image Source: NASA. Click image to enlarge.

Click here for larger, but not necessarily any less disappointing image.

For recent information on Mayon click links below:

• Volcano UPDATE: Mt Mayon Could Explode
• Mayon Lava in Interesting Times!
• Mayon Volcano Oozes Lava
• Strong Earthquake Strikes Mindanao, Philippines
• VolcanoWatch Weekly [11 Nov 2009]
• Latest From TAAL and other Philippines Volcanoes
• Mount Mayon neighbors on evacuation alert
• Mayon Volcano Ejects Ash

SI / USGS Weekly Volcanic Activity Report
(2 December – 8 December 2009)

New activity/Unrest:

• Concepción, Nicaragua
• Galeras, Colombia
• Mayon, Luzon
• Piton de la Fournaise, Reunion Island
• Soufrière Hills, Montserrat

Volcano News (Source: GVP)

• According to news articles, PHIVOLCS reported that on 14 December incandescence emanated from the lava dome in Mayon’s summit crater and incandescent material traveled as far as 3 km down the S and SE flanks. At least five minor explosions were detected by the seismic network.
• According to a news article, INETER reported that an explosion of ash and gas from Concepción on 11 December produced a plume that rose 150 m above the crater.
• OVPDLF reported that on 14 December an eruption from Piton de la Fournaise was preceded by a seismic crisis and summit deformation. Sub-parallel fissures along the rim of Dolomieu crater fed lava flows on the S slope.

Ongoing Activity

Chaitén, Southern Chile;  Dukono, Halmahera;  Fuego, Guatemala; Karymsky, Eastern Kamchatka;  Kilauea, Hawaii; Kliuchevskoi, Central Kamchatka (Russia);  Manam, Northeast of New Guinea (SW Pacific);  Nevado del Huila, Colombia; Pacaya, Guatemala;  Rabaul, New Britain; Sakura-jima, Kyushu;  Santa María, Guatemala; Shiveluch, Central Kamchatka (Russia);  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?
• Volcano that Doesn’t Sleep