Introduction

This blog is the translation of my other blog in French (I hope I am a least a bit better than Google Translate...).

Wednesday, September 19, 2012

El Hierro update

Updated (18:00 UTC)


This value is normal again. To be continued...

Potentially important update (17:20 UTC)


The concentration of sulfur dioxide (SO2), as measured by the mobile station located at La Restinga, rose sharply to nearly 900 micrograms per cubic meter (µg/m3). This value is more than 100 times the usual value.

It can be a technical problem. If this is not the case, the source of this increase must be determined and analyzed, as if it is of volcanic origin, the risk of eruption increases significantly (it is a known precursor).

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