Avachinsky volcano during the first day of its surprising 1991 eruption, following a 46-years repose period. View is over the outskirts of Petropavlovsk Kamchatsky, hardly a dream of a place ot live. The eruption that came without any precursors from this potentially highly explosive volcano was not the violent event expected to occur after the longest repose intervall of the current (i.e. post mid-18th century) active cycle. Its most notable feature was the complete filling of the formerly empty summit crater with black lava and formation of several small lava tongues on the upper slopes. I think this is a REALLY rare photo! Courtesy of B. Ivanov, 13 January 1991.
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