Mount Malinao is a forested stratovolcano with a summit crater that is breached to the east. The Tiwi geothermal field, seen here with the volcano in the background, is located on the east flanks of Malinao. The geothermal field is located near Luzon's largest fumarole field, which includes siliceous sinter deposits at Naglabong. Photo by Chris Newhall (U.S. Geological Survey).
During 27 January-2 February, the MODIS sensor continued to frequently detect thermal anomalies from Nyiragongo, likely from lava lake activity. The Toulouse VAAC reported that during 30-31 January a diffuse plume drifted 240 km W.
On 29 January, the Vanuatu Geohazards Observatory reported significant changes in Gaua's activity over the previous two weeks. They noted that since 16 January more gas was emitted and multiple explosions produced denser and darker ash plumes. On 24 January nearby villagers reported seeing ejected material from Strombolian activity.
The Smithsonian's Global Volcanism Program seeks better understanding of all volcanoes through documenting their eruptions — small as well as large — during the past 10,000 years.
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