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…
First of all, this is not an article about earthquakes. It is a series about the sound that earthquakes emit as they happen, how that sound is travelling, and how it is detected. In a way it is not about earthquakes at all, or not even really about sound, instead it is about the strange…
Volumetric strainmeters are used around the Globe to try to predict earthquakes. One of the main reasons for the proliferation of them is to be found in Iceland. Before we go to the latest events in the Southern Icelandic Fracture Zone (SIFZ) we should start with the classic example from prior to the M6.6 earthquake…
I get this question often about Iceland, especially when there is an earthquake swarm. The problem is that it is rarely clear cut if it is magmatic or tectonic when it happens in Iceland. First of all you have all of the rift zones being tectonic, but they are also subject to rift and hotspot…
There was a quake near the coastline of Fukushima today. USGS had it as a 5,9. GFZ as a Mag. 6 quake. http://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2013jqtk When seeing that this morning it reminded of the times when i watched the news about Fukushima on TV. This happened in the direct aftermath of the devastating Tōhoku quake and Tsunami which…
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