A pataki eruption ni 1997 lati a fissure ariwa-oorun ti Pillan Patera produced more than 31 cubic kilometres (7.4 cu mi) of fresh lava over a 2 1⁄2- to 5 1⁄2-month period, and later flooded the floor of Pillan Patera. Observations by Galileo suggest lava coverage rates at Pillan between 1,000 and 3,000 square meters (11,000 and 32,000 sq ft) per second during the 1997 eruption. A ri pe iṣan ti Pillan jẹ 10 m3 (3 ft) nipọn, ni akawe si awọn ṣiṣan ti o nipọn 1 m3 (3 ft) ti a ṣe akiyesi ni awọn eruption infometric ni Prometheus ati Amethyst. Iru awọn ṣiṣan silikati ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o tobi, ti o
31 kìlómítà oníkùpù (7.4 cu mi)