Imaggeo on Mondays: Santorini cliffs sculpted by wind and sea

Imaggeo on Mondays: Santorini cliffs sculpted by wind and sea

The cliffs look like a bas-relief sculpted by a tireless artist. Naturally carved by the wind and sea, Vlychada’s white cliffs border its black sands, on the southern shore of Thera (Santorini), Greece. Both are of volcanic origin. The material originates from the Late Bronze Age eruption around 1600 BCE, which also buried the prosperous Akrotiri settlement. This massive Plinian eruption led to the deposition of a layer dozen of meters thick of tephra that consolidated into the tuff cliffs we observe.

Description by Cedric Gillmann, as it first appeared on

If you pre-register for the 2020 General Assembly (Vienna, 3–8 May), you can take part in our annual photo competition! From 15 January until 15 February, every participant pre-registered for the General Assembly can submit up three original photos and one moving image related to the Earth, planetary, and space sciences in competition for free registration to next year’s General Assembly!  These can include fantastic field photos, a stunning shot of your favourite thin section, what you’ve captured out on holiday or under the electron microscope – if it’s geoscientific, it fits the bill. Find out more about how to take part at

Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (and others) can submit their photographs and videos to this repository and, since it is open access, these images can be used for free by scientists for their presentations or publications, by educators and the general public, and some images can even be used freely for commercial purposes. Photographers also retain full rights of use, as Imaggeo images are licensed and distributed by the EGU under a Creative Commons licence. Submit your photos at

This guest post was contributed by a scientist, student or a professional in the Earth, planetary or space sciences. The EGU blogs welcome guest contributions, so if you've got a great idea for a post or fancy trying your hand at science communication, please contact the blog editor or the EGU Communications Officer to pitch your idea.

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