Mount Chiginagak

Mount Chiginagak sits some 600 km southwest of Anchorage, roughly situated on the Alaska Peninsula between Aniakchak and the Katmai Volcanic Complex.  It is a single peak that tops out at just over 2,200 M.  The peak itself is composed primarily of andesitic and pyroclastic layers.  It also has basalt lava flows with some evidence…

Chain of Dead Poets!

The Amsterdam St Paul hotspot is one of the weaker hotspots around. It has created the St Paul and Amsterdam Islands, the now active Boomerang Seamount (last known eruption 1995), and an elongated chain of seamounts called the Chain of Dead Poets. These are remnants of the eruptive wake of the Amsterdam St Paul hotspot…