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Global Volcanism Program | Image GVP-01029

A dark cock’s tail jet is ejected from a submarine vent at Anak Krakatau (Child of Krakatau) on 12 June 1930. A white steam plume rises above a pyroclastic surge that travels along the sea surface in a radial direction from the vent. Base surges such as these are common at submarine eruptions. The first eruptions of Anak Krakatau to breach the surface were seen in December 1927.  Photo by C.E. Stehn, 1930 (courtesy Volcanological Survey of Indonesia).

A dark cock’s tail jet is ejected from a submarine vent at Anak Krakatau (Child of Krakatau) on 12 June 1930. A white steam plume rises above a pyroclastic surge that travels along the sea surface in a radial direction from the vent. Base surges such as these are common at submarine eruptions. The first eruptions of Anak Krakatau to breach the surface were seen in December 1927.

Photo by C.E. Stehn, 1930 (courtesy Volcanological Survey of Indonesia).

Keywords: eruption | magma water interaction | Surtseyan | pyroclastic surge | explosive eruption | phreatomagmatic | water | magma water interaction | cock’s-tail plume | submarine volcano


Krakatau