ritish-Airways-Flight-9 turbine and compressor blades (Image by NOVA13, Wikipedia, CC-BY-SA 3.0)

A few notes on possible flight disruption

[caveat: this is my opinion and in no way should be used for any decision-making] Given the level of disruption caused by the 2010 eruption of Eyjafjallajökull there has been an inevitable level of concern from many readers/commenters on the likelihood of future air travel plans being affected by any eruption in Bardarbunga. Unfortunately we…

Top off Hekla. Photograph from Trecking in Iceland.

Hekla and the Global Positioning System

There are occasions when you as an expert in the field write something short and to the point and you expect everyone else to be able to follow you. As you find out that people well and truly did not follow you it is very important to remember that it was you as an expert…

The Demon under the Ice. Eyjafjallajökull 2010 Radar Image.

Mount Halloween + Riddles

The image of true Nightmares, well, at least if you are an airline company. This scary image was released during the 2010 eruption of Eyjafjallajökull and is a radar image of how the mountain looks like under all of the ice. Weirdly enough the 3 craters of Eyjafjallajökull form an almost perfect skull. For me…

AVHRR imagery from the sensor's band 4 shows Klyuchevskoy erupting on 30 September 1994. (NOAA)

Watching volcanoes from space: Part 2

What follows is a very rough guide to the satellites and their systems that routinely feature in volcano-watching. For anyone interested in learning more, most of the systems have dedicated websites with a lot more information. Just Google the name of the system/satellite, or search through the NASA, NOAA or USGS main sites (way too…