Emmons Lake Volcanic Complex, Alaska

When putting together a quick post on the most recent Pavlof eruption, I came across its home, the previously unknown (to me) Emmons Lake Volcanic Complex. Like the Katmai Volcanic Complex or the volcanic complex that contains Kamen, Tolbachik and Bezymianny in Kamchatka, Emmons Lake crams multiple active stratovolcanoes within a few tens of kilometers…

Maui Nui – Big Maui

The four islands between Oahu and the Big Island of Hawaii are the remnants of a large volcanic edifice, referred to as Maui Nui, literally Big Maui. At its height some 1.2 MY ago, it was about 50% larger above sea level than the current Big Island of Hawaii. Following that peak the normal cycle…

A Short Geologic History of Kauai, Hawaii

Introduction Kauai is the oldest of eight major Hawaiian Islands at some 5.1 MY. It sits some 170 km to the west of Oahu. There is a much smaller island called Niihau which sits some 28 km to its west. The rest of the string of Hawaiian Ridge islands and Emperor Seamounts stretch to the…