Weird Places: The Lava Lake in Antarctica

Where is Mount Erebus, home to one of the world's few permanent lava lakes, located?

• Greenland

• Arctic Circle

• Antarctica

• Iceland

What is the approximate temperature of the lava in Mount Erebus's lake?

• 100°C

• 500°C

• 1000°C

• 2000°C

What process prevents the surface of the lava lake in Mount Erebus from solidifying, even in the frigid Antarctic air?

• Constant eruptions

• High atmospheric pressure

• Convection currents

• The surrounding ice

What are the two main sources of gas released from the lava lake in Mount Erebus?

• Atmospheric gases and volcanic ash

• Constant CO2-rich gas from the conduit and periodic H2O & SO2-rich gas from magma blobs

• Melting ice and steam vents

• Underground water and dissolved minerals