Hanauma Crater The Hanauma Crater was created during the Honolulu volcano series. The volcanic vents that formed Hanauma Crater opened on the seafloor about 32,000 years ago. Upwelling magma vaporized the ocean water and steam explosions atomized the magma into fine ash. The explosions built cones of ash, which solidified into tuff. The eruptions shattered the coral…
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…
In the west corner of the ring you find Yellowstone wearing blue, red and white striped trunks and in the east corner you find Grimsvötn wearing Fire & Ice colored trunks. Welcome to a spectacular fight about who is the largest, meanest volcano on the block. As the fighters are squaring off we eagerly await…
This is just a brief little post on Yellowstone to make everyone happy that is based mainly on what GeoLurking wrote in the comment field on the previous post. First of all I would like to say that the activity behind yesterdays M4.8 earthquake is an ongoing process that has been running at least since…
Ubinas volcano is Peru´s most active volcano with the composite cone rising to 5276 m on a high plateau. In the last 300 years Ubinas had 14 confirmed VEI 2 eruptions, the last ones in 2006 and 2013, see the GVP report for the eruptive history. The younger of the two major edifices Ubinas 1 and…
VolcanoCafé 
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