For days scientists had warned about such an eruption, ever since the lava lake that once filled the summit crater began draining back into the ground.
D: Southwesterly view of lava dome which almost filled the summit crater.
Soon after that, lava effusion began to fill the summit crater.
Unmanned autonomous aerial vehicles were employed to get information on physical and chemical conditions of cooling lava which filled the summit crater.
By January 31, the dome had filled the summit crater (Nakada et al., 2013), but no further growth was observed on February 1.
The dome was initially a small black-colored pile of diameter ~30 m, and then it grew to fill the summit crater (Nakada et al., 2013).
Immediately after the explosive eruptions, lava effused out and, within a few days, filled the summit crater with a volume of 2 × 107 Miyagiyagi, 2011).
When the canal was built there were no reliable water sources available to fill the summit by normal gravitational means.
The roof and vaulting has collapsed, filling the three summit chambers with rubble.
The focus will now turn to Wednesday's summit of national leaders which will wrestle over who will fill the top jobs in running the EU.
