Imaggeo On Monday: Morning view of volcanoes in Java, Indonesia

Imaggeo On Monday: Morning view of volcanoes in Java, Indonesia

Tengger Caldera is a volcanic complex consisting of five overlapping stratovolcanoes (Mounts Batok, Bromo, Kursi, Watangan and Widodaren) forming out of the ancient volcano Tengger, which was formed about 820,000 years ago, situated in East Java, Indonesia.

In this panoramic view are visible Mount Batok (in the front; an inactive volcano with lush green vegetation on its rises), Mount Bromo (the smaller pyroclastic cone, to the left of Mount Batok), Widodaren Caldera (visible on the right of Mount Batok) with the other mountains all part of the large Tengger sand sea, not visible in this view due to the early morning cloud cover. Lastly, Mount Semeru, the tallest and most active volcano in Java, is also visible – right at the back.


Photo by Naveen Ragu Ramalingam, description after that on


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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