Tephralayers from the Laacher See eruption at the Wingertsbergwand . Rarely geological structured are layed out in such a visible way. Image by author (CC BY-NC-SA 3.0).

Digging for data

Following the motto “Four eyes see more than two” we want to ask the crowd to find links to public earthquake databases from around the world. There are the usual suspects, USGS, EMSC and such, but they only provide events above a certain magnitude. We are also interested in small, local microseismic events which are…

USEBlackbird_Laacher_See_CC

Eifel Volcanic Field II

Recently Nathan took you on a comfortable journey into the Eifel volcanic field. But what is the origin of this intraplate volcanism and where will the journey go? About 400 million years ago during the Devonian, the Age of Fish, when only plants and insects roamed the land, Laurussia and Gondwana converged into the supercontinent…

Mono Lake, from Wikimedia Commons.

Volcanic Mishaps 2: Mono Lake, California.

We had 2 weeks in California; after a weekend in San Francisco and some chillaxin’ by the pool in Sacramento; we took the roadtrip of a lifetime. (many thanks Val x) We visited Lake Tahoe, Mono Lake, Yosemite, Mariposa and drove back to Sacramento via Route 49; the gold rush route… Trees were more my thing in those…

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The Ruminarian…

I’m going to deviate from the volcano topic for a bit… not too far, but I think that a discussion of the dynamics is important to gain an appreciation for the forces at work. Again, the standard caveat: I’m not a geologist. There are actual geologists who lurk and pass through here. If I mess…

Scaled Laki

The Dead Zone

Updated 13 Sep 2012, see end of article. In logic, an assumption is a proposition that is taken for granted, as if it were true based upon presupposition without preponderance of the facts. (Wikipedia) Back around May of this year, Carl asked me to do a series of simulations using KWare’s Heat3D, a program written…