New South Greenland: Morrell’s reported land

Event and chronology

In 1823, American sealing captain Benjamin Morrell reported sighting land south of the South Shetland Islands and recorded a detailed position in his published voyage narrative. Later Antarctic explorers found open sea at the location, and modern charts show no continent there.

What later accounts allege

The account has been used to allege that Antarctica’s coastline was already known, that later explorers hid land, or that the continent moved or vanished. Morrell’s reputation and unusually precise-sounding coordinates are often treated as confirmation.

Records, searches and conditions

Morrell’s own narrative is the primary source for the claim, but it was published after the voyage and has been criticized for implausible distances and chronology. James Clark Ross and later Antarctic surveys found no land at the reported location; modern bathymetry confirms open ocean.

Independent and contrary evidence

The route reported by Morrell does not match later verified geography, and independent voyages failed to locate the feature. A solitary nineteenth-century sighting, especially one reported retrospectively, is weaker than repeatable modern mapping and satellite observations.

What remains unknown

Whether Morrell misidentified ice, land, or a position remains debated; surviving navigation records are inadequate to reconstruct every day. His narrative’s reliability should be assessed claim by claim rather than dismissed or accepted wholesale.

Assessment

New South Greenland is not supported as a real island or continent. A verified landfall or repeat survey at the stated coordinates would change the conclusion; until then, it is best treated as a doubtful historical sighting and a map error.

Sources and limits

1. Benjamin Morrell — A Narrative of Four Voyages (1832)Morrell’s published firsthand account is the source for reported land; position accuracy and narrative reliability are disputed.
2. Royal Geographical Society — Morrell voyage charts and recordsCollection locator for exploration-era maps and papers; archive holdings do not independently confirm the reported island.
3. Donald S. Johnson — Phantom Islands of the AtlanticNamed scholarly account reviews later searches and chart history; secondary synthesis, not a navigation log.