Category Archives: geohazards

More on the Japanese earthquake

How this weeks’ earthquake fits into the overall tectonic picture in the western Pacific.
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Categories: earthquakes, geohazards, geology, tectonics

Earthquakes in Japan

Update: A more detailed analysis of this earthquake can be found here Japan was hit by a couple of large-ish earthquakes yesterday. According the USGS moment tensor solutions, the first magnitude 6.6 was caused by the rupture of a normal … Continue reading

Categories: earthquakes, geohazards, geology

Lusi: two methods of holding back the mud

The latest from Lusi The new, government approved method: Under the new scheme proposed by Japanese scientists, double-walled cofferdams will be built to fence in the mud so it serves as a counterweight to the mudflow… So that’s what “inverted … Continue reading

Categories: geohazards, geology, Lusi

Algae and earthquake precursors

From ye olde blog, May 2006: an interesting report from the BBC: Concentrations of the natural pigment chlorophyll in coastal waters have been shown to rise prior to earthquakes. These chlorophyll increases are due to blooms of plankton, which use … Continue reading

Categories: earthquakes, geohazards, geology, paper reviews

Lusi flows on

The latest from Lusi It’s been a couple of months since I’ve posted about Lusi, the Indonesian mud volcano, mainly because I hadn’t found anything significant to report. Sadly, in this case, it seems that no news was bad news, … Continue reading

Categories: geohazards, Lusi