Also there nice article
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Four New Cinder Cones from the Ongoing Tolbachik Eruption in Russia
By Erik Klemetti 01.18.1311:20 AM
Sometimes, if an eruption just keeps on rolling, we start to lose track of it. For me, the Tolbachik eruption began to slip through the cracks, so I thought an update on the activity is in order.
After nearly 7 weeks, the eruption at Tolbachik is still going strong. The latest KVERT report on the eruption says that it has produced four (!) new cinder cones on the flanks of the volcano and the lava flows continue to move away from the volcano on the western and southeastern flanks of the volcano. The plume from the volcano, still plainly visible on satellite images, continue to reach altitudes of ~4 km/13,100 feet above sea level. Interestingly, some reports mention that all this activity has started to produce a new lava lake at Tolbachik, possibly the first lava lake recorded on the Kamchatka Peninsula...
Pic: The Tolbachik area, with multiple active volcanoes such as Bezymianny and Kliuchevskoi, seen from the International Space Station on January 6, 2013 (Image: Commander Chris Hadfield):
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and in comments:
Boris Behncke
...Still, this *is* a major eruption, and while the explosive activity at the Tolbachik vents seems to be much less than in 1975-1976, the lava output appears to be significantly higher; in the previous eruption lava flows never came close to 10 km length and this time they have apparently come close to 20 km. Tolbachik 2012-2013 is not what I would call "enormous" (that is the term one would apply to a flood-basalt eruption, or at least a Laki 1783-type event), but certainly it is a very significant eruption.

Sagebrusher >shane_johnston • 16 hours ago

<about volume of Tolbachik eruption>
roughly equivalent to what Kilauea has produced in it's current 30 year eruption!
Also, Mauna Loa has only produced about 4 cubic km's in the last 170 years...