Zuidvulkaan-03

Frisian Sûdwalvulkaan coming to life again?

Fig1. Last active between 160 – 145 million years ago, the Zuidwalvulkaan is showing signs of unrest. Its location just off the Dutch coast is a cause for grave concern (www.npowetenschap.nl) The Sûdwalvulkaan (Zuidwalvulkaan) has been sitting dormant at 2 km under the Waddenzee (Frisian Sea) in the north of the Netherlands for some 150…

Fig 1 Caldera_Mt_Tambora_Sumbawa_Indonesia

Tambora: 200 year Anniversary of the 1815 eruption

April 2015 will mark the 200 year anniversary of the largest recorded eruption in historic times. Yes, Tambora. Tambora’s sulphate dust clouds are now attributed with disrupting major weather systems for more than three years, causing net global cooling, global crop failures in 1816, famine and disease, including a cholera pandemic. Yet, despite being one…

composite

Ruminerian X – Rio Grande Rift

From Wikipedia: “A lineament is a linear feature in a landscape which is an expression of an underlying geological structure such as a fault. Typically a lineament will comprise a fault-aligned valley, a series of fault or fold-aligned hills, a straight coastline or indeed a combination of these features. Fracture zones, shear zones and igneous…