Hertha Nunatak is a nunatak

Nunatak

A nunatak is an exposed, often rocky element of a ridge, mountain, or peak not covered with ice or snow within an ice field or glacier. The term is typically used in areas where a permanent ice sheet is present...

 1 nautical mile (1.9 km) northwest of Castor Nunatak

Castor Nunatak

Castor Nunatak is a nunatak southwest of Oceana Nunatak in the Seal Nunataks group, off the east coast of the Antarctic Peninsula. It was first seen and mapped as an island in December 1893 by a Norwegian Sealing expedition under C.A...

 in the Seal Nunataks group, off the east coast of Antarctic Peninsula

Antarctic Peninsula

The Antarctic Peninsula is the northernmost part of the mainland of Antarctica. It extends from a line between Cape Adams and a point on the mainland south of Eklund Islands....

. First seen and mapped as an island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 in December 1893 by Captain C.A. Larsen, who named it after the Hertha, a ship which combined sealing and exploring activities along the west coast of Antarctic Peninsula under Captain C.J. Evensen in 1893-94. It was determined to be a nunatak by the Swedish Antarctic Expedition

Swedish Antarctic Expedition

The Swedish Antarctic Expedition was led by Otto Nordenskjöld and Carl Anton Larsen.-Background:Otto Nordenskjöld, a Swedish geologist and geographer, organized and lead a scientific expedition of the Antarctic Peninsula...

under Nordenskjold during a sledge journey in 1902.