Inner Crater

Inner Crater (77°32′S 167°10′E) is the topographic feature that embraces the crater within the floor of Main Crater, at the summit of Mount Erebus, Ross Island, Antarctica. Inner Crater contains an active anorthoclase–phonolite lava lake. The name is derived from the fact that the crater is within the Main Crater of Mount Erebus.[1]

References

Structures
and bases

Elevated
features

Mountains	Abbott Peak Ainley Peak Barker Peak Beeby Peak Caldwell Peak Chuan Peak Mount Cis Coleman Peak Coughran Peak Detrick Peak Dibble Peak The Fang Joyce Peak Kristin Peak Mount McIntosh Manahan Peak Mount Melton Millennium Peak Moore Peak Nash Peak Oamaru Peak Ohau Peak Parawera Cone Scanniello Peak Sherve Peak Slattery Peak Mount Sutherland Tarakäkä Peak Te Puna Roimata Peak Tent Peak Three Sisters Cones Turret Cone Wong Peak
Volcanoes	Mount Bird Black Knob Boulder Cones Cinder Hill Mount Erebus First Crater Gamble Cone Half Moon Crater Hoopers Shoulder Inner Crater Kyle Cone Kyle Hills Main Crater Observation Hill Second Crater Sheppard Crater Mount Terra Nova Mount Terror Topping Cone Twin Crater
Hills	Alexander Hill Black Knob Cone Hill Conical Hill Fitzgerald Hill Ford Rock Inclusion Hill Keys Hill The Knoll Lutz Hill Observation Hill Post Office Hill Trachyte Hill
Nunataks	Allen Rocks Castle Rock Centipede Nunatak Kaka Nunatak Kakapo Nunatak Kea Nunataks Kienle Nunataks Mümü Nunatak Norman Crag Pōnui Nunatak Takahe Nunatak Tazieff Rocks The Tooth

Inland
features

Cliffs	Arrival Heights Esser Bluff Grazyna Bluff Helo Cliffs Kaminuma Bluff Krall Crags Palais Bluff Terrie Bluff Vee Cliffs Williams Cliff
Glaciers	Aurora Glacier Barne Glacier Eastwind Glacier Endeavour Piedmont Glacier Erebus Glacier Erebus Ice Tongue Fang Glacier Shell Glacier
Lakes	Algal Lake Blue Lake Clear Lake Coast Lake Deep Lake Island Lake Pony Lake Skua Lake Starr Lake Sunk Lake Terrace Lake
Ridges	Fang Ridge Giggenbach Ridge Glacier Ridge Guardrail Ridge Ice Tower Ridge Panter Ridge Rohnke Crests Ruru Crests Tech Crags Tekapo Ridge Tramway Ridge Turks Head Ridge Warren Ridge
Other inland features	Bird Saddle Camp Slope Crystal Slope Fitzgerald Stream Fortress Rocks Harrison Stream Lofty Promenade New College Valley Pakaru Icefalls The Ramp Robot Gully Wilson Stream

Coastal
features

Bays	Backdoor Bay Erebus Bay Fog Bay, Antarctica Lewis Bay Turks Head Bay Windless Bight Winter Quarters Bay Wohlschlag Bay
Headlands	Cape Barne Cape Bird Cape Crozier Dufek Head Cape Evans Flagstaff Point Harrison Bluff Hut Point Peninsula Keys Point Cape MacKay Micou Point Newport Point Cape Royds Cape Tennyson Terror Point Towle Point Tryggve Point Turks Head Varcoe Headland Wyandot Point
Other coastal features	Caughley Beach McDonald Beach McMurdo Ice Shelf Waipuke Beach Williamson Rock

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