Island Locations

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Latitude, Longitude, Area based on Table 1 in Snell et al paper, with additional details from other sources, as indicated.

† Altitude data (in meters) or other information is from the following sources:

• Google: Formation (possibly submerged at high tide) seen in Google Earth/NASA satellite photo, but not named.
• Grant: Four Galápagos Islands
• IOA: Instituto Oceanográfico de la Armada, Guayaquil, Ecuador charts:
  • IOA 20: Archipiélago de Colón 1984
  • IOA 200: Isla San Cristóbal - Isla Española 1992
  • IOA 2001: Aproximación a Isla Española 1991
  • IOA 2020: Aproximación a Isla Seymour e Isla Baltra 1990
• Lanza: Benedetto Lanza:
  • pp.   80-104: 1982; Notes on the Natural History …
  • pp. 510-859: 1974; Le Isole Galápagos
• ?: No reliable source has been found (yet).

‡ When Islands are sorted by name, volcanoes on Isla Isabela are listed North to South (or vice versa). Volcano location as indicated, but Area value is for entire island.

* Asterisk following island name indicates positions updated to agree with recent Google Earth GPS readings.

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