Ascension Island is a Holocene stratovolcano with no known historic eruptions. Space Shuttle photo STS070-0712-0086.
The following photographs are of lava fields on Ascension. They were provided and copyrighted by Olivier Staiger.
Sources of Information:
Neumann van Padang, M., Richards, A.F., Machado, F., Bravo, T., Baker, E., Le Maitre, W., 1967, Part XXI, Atlantic Ocean: Catalogue of the active volcanoes of the world, International Association of Volcanology, Rome, Italy, 128 p.
Simkin, T., and Siebert, L., 1994, Volcanoes of the World: Geoscience Press, Tucson, Arizona, 349 p.