Name StatusApprovedFeatureCraterNZ Gazette Reference2001 (48) p.1094DatumRSRGD2000GeoTag[1] PositionDescriptionFeature # 69 in ACAN minutes of 19/06/2000. The topographic feature that rises to c. 3750 m and forms the primary summit crater of Mount Erebus on Ross Island. Inner Crater, q. v., which lies within Main Crater, contains an active anorthoclase-phonolite lava lake.