The highest active volcano is Ojos del Salado, at the border between Chili and Argentine. It's height is 6,887m.
The smallest continent is Australia - area 7.614 million sq. km.
The fastest iceberg, 54 km in length, 4.8 km wide and 910 meters high somewhere near Columbia. This iceberg moves with the speed 35 meters a day. You may consider this is very little, but actually it's not. Normally icebergs are either static or move at the speed of 1m/day.
The deepest valley. The Grand Canyon is big, but not as big as the valley near the river Jarpun-Tagbo, crossing Tibet and Bangladesh. It's deepness is about 5,000 meters, which is approximately 3 times deeper than the Grand Canyon's.
What else do you know about the Earth?
