Eruption Update for April 4, 2013: Etna, Tolbachik, Grozny Group and AVO

Lava fountaining from the new Southeast Crater on Etna during the April 3, 2013 paroxysm. Image: Dr. Boris Behncke. Time to gather up some of the tidbits of volcano news from around the world: Italy Another day, another paroxysm at Etna. This one was quite spectacular event in the new Southeast Crater -- Dr. Boris Behncke captured some of the splendid lava fountaining from this eruption. Interestingly, he noted that the most impressive feature of this paroxysm, the 34th since the start of 2011, was the sound. This eruption features some loud explosions that it startled people 20 km (12 miles) away from the active crater. Be sure to check out this video of the eruption that shows "flashing arcs" caused by the compression wave of the explosions. These highly explosive paroxysms with lava fountains seem to be the modus operandi for the volcano in 2013, so always keep your ...