Thursday, March 15, 2012

Lamongan Volcano In Indonesia Showing Signs of Brewing Eruption

Lamongan Volcano in Indonesia is showing signs that it may soon erupt. The normal background seismicity of a few quakes a month has skyrocketed to more than 150 events per week, prompting the Indonesian government to raise the alert level to 2 out of 4. A 1km radial exclusion zone from the summit is now in place as authorities attempt to prepare for an eruption from this volcano.

Lamongan was last active during the end of the 19th century and has been relatively quiet ever since.The landscape surrounding the volcano is dotted with numerous large maars (explosion craters created by groundwater coming into contact with hot magma or partially molten rock), cinder cones, and fissure vents.While not particularly active during human habitation, the evidence is all around for an active history spanning hundreds of thousands of years.

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