Puelche and Calabozos. Calderas of the Maule

Last article we saw a newborn felsic system, Laguna del Maule, whose so far brief history has begun rather impressively, with possibly two VEI-6 eruptions, a number of smaller plinian eruptions, and some sizable lava flows. In the article before that one, we saw Domuyo, a monster volcanic system that is very lazy. It could…

Laguna del Maule. An explosive rhyolite ring volcano.

In the previous article I was talking about the volcanoes in Argentina, in the Andes, near the latitude of Buenos Aires, only a little more to the south: Payún Matrú, Tromen, and Domuyo. Now we cross the border into Chile, into the Maule Province of Chile. Here, almost exactly along the topographical divide between the…

The Argentina volcanoes: Payún Matrú, Tromen, and Domuyo

There is a group of volcanoes that I’ve always wanted to talk about. It is a surprisingly little known, little studied location. However, about a decade ago, thanks to advances in technology, one of the volcanoes jumped from being practically uncharted to becoming moderately famous, when using satellites scientists were able to detect inflation around…

Up!

When the ground starts to rise beneath your feet, it is time to sit up. Fishermen would be the first to notice, being unable to leave their harbours due to lack of sea. Governments would discuss the risk of reduction in tax income from fishing, and would commission research. The scientists report evidence of widespread…