An ash plume expands above a pyroclastic flow sweeping down the E flank of the Soufrière Hills summit lava dome on 16 January 1997. The pyroclastic flow descended the Tar River valley to the sea, covering the new delta with new material that included blocks up to 5 m in diameter.

Photo by Richard Herd, 1997 (Montserrat Volcano Observatory).

This image is made available under the Creative Commons BY-NC 4.0 license terms.

Galleries: Pyroclastic Flows

Keywords: pyroclastic flow | pyroclastic density current (PDC) | lava dome | explosive eruption | block-and-ash flow | eruption | ash

Soufrière Hills