Volcano activity of June 24, 2012 - Colombia, Mexico and Canary Islands

This (almost) daily post intends to follow up the activity changes of volcanoes all over the world.
This post is written by geologist Richard Wilson who specializes in Volcano seismicity and Armand Vervaeck. Please feel free to tell us about new or changed activity if we haven't written about it.

June 24, 2012 volcano activity

Eruptive activity remains at low levels at volcanoes we have been watching in the Americas.

Nevado del Ruiz volcano (Colombia) seems to have settled into producing banded (alternating periods of higher and lower amplitude) tremor along with occasional volcanic earthquakes (station OLLE).

Low level tremor and small earthquakes have become apparent again on seismograms at nearby Galeras volcano (Colombia) (station ANGV).

Popocatepetl volcano (Mexico) continues to simmer with pulses of spasmodic tremor, small earthquakes and low level exhalations of gas and some ash.

At El Hierro, Canary Islands, Spain,  a new earthquake swarm seems to have started late tonight.  The strongest earthquake being a M3.1

Popocatepetl volcano, Mexico

tremor at Nevado del Ruiz, Colombia

 

Sporadic earthquakes at Galeras volcano, Colombia

 

Start of an new earthquake swarm at El Hierro, Canary Islands, Spain

Strong 3.1 earthquake (for local conditions at least) at El Hierro, Canary Islands, Spain

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