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Galeras volcan
Complex stratovolcano 4276 m / 14,029 ft
Colombie, 1.22°N / -77.37°W
Eruptions du volcan Galeras:
1535, 1580, 1616, 1641-43, 1670-1736, 1754-56, 1796-1801, 1823, 1828-34, 1834, 1836(?), 1865-70, 1889, 1891, 1923, 1924-27, 1930, 1932, 1933(?), 1936, 1947, 1950, 1973(?), 1974-83, Feb-May 1989, Jan 1990 - July 1992, Jan-June 1993, Mar-May 2000, June 2002, July 2004 - Feb 2005, Nov 2005 - July2006, Oct 2007 - Jan 2008, Oct 2008 - 2010
Style éruptif tipique:
Explosive
Galeras webcams / live data
Derniers séismes proches
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News from Galeras volcano:

dernier (2013) | 2012 | 2011 | Archive
vendredi, mai 17, 2013
Galeras volcano (Colombia): ash emissions
Ash emissions from Galeras on 16 May (INGEOMINAS)
Ash emissions from Galeras on 16 May (INGEOMINAS)
A small series of ash emissions occurred in the morning of 16 May, following a weak increase in seismic activity during the past week.
jeudi, mai 16, 2013
Galeras volcano (Colombia) activity update
Internal / external activity has been low with weak earthquake activity (although at somewhat increasing tendency) and steaming observed. Pasto reports low values of SO2 emissions.
jeudi, mai 02, 2013
Galeras volcano (Colombia) activity update
Activity (seismic and at the surface) has recently calmed down at the volcano.
samedi, avril 13, 2013
Galeras volcano (Colombia) activity update
Ash emission from Galeras on 11 March 2013 (INGEOMINAS)
Ash emission from Galeras on 11 March 2013 (INGEOMINAS)
Small ash explosions continue to occur almost each day.
dimanche, avril 07, 2013
Galeras volcano (Colombia): ash emissions become more frequent
Small ash emission from Galeras yesterday (INGEOMINAS)
Small ash emission from Galeras yesterday (INGEOMINAS)
Ash emissions have become more frequent since 4 April - the Pasto observatory has reported daily small explosions since then. This marks a significant increase in activity. Before, the volcano had produced such emissions only a few times per month since September 2012. ...plus
jeudi, mars 28, 2013
Galeras volcano (Colombia) activity update
Today's seismic recording from Nevado del Ruiz (OLL station, INGEOMINAS)
Today's seismic recording from Nevado del Ruiz (OLL station, INGEOMINAS)
SO2 plume from Nevado del Ruiz (NOAA)
SO2 plume from Nevado del Ruiz (NOAA)
During clear days, steaming and occasional weak ash venting (on 22 and 25 March) was observed. Seismic activity has shown a decreasing trend recently, INGEOMINAS reported. Most earthquakes detected at the volcano recently were related to internal fluid movements and of weak energy.
vendredi, mars 15, 2013
Galeras volcano (Colombia) activity update
Activity has remained more or less unchanged, with occasional weak ash emissions and degassing observed at the crater. ...plus
dimanche, mars 10, 2013
Galeras volcano (Colombia) activity update
Ash emission from Galeras on 7 March 2013 (INGEOMINAS)
Ash emission from Galeras on 7 March 2013 (INGEOMINAS)
Activity has remained generally low, with occasional ash explosions such as on the afternoon of 7 March.
dimanche, févr. 03, 2013
Galeras volcano (Colombia) activity update
This morning's seismic signal from Galeras (ANGV station, INGEOMINAS)
This morning's seismic signal from Galeras (ANGV station, INGEOMINAS)
Small volcanic quakes and long period events continue, but seismic and surface activity generally remains low.
jeudi, janv. 31, 2013
Galeras volcano (Colombia) activity update: seismic unrest, occasional ash venting
Sporadic small steam and sometimes ash emissions continue to be observed from time to time, such as on 22 and 27 Jan. Low-energy tremor pulses accompany the emissions. Seismicity has been of low energy during the past week.
mercredi, janv. 23, 2013
Galeras volcano (Colombia) activity update: degassing, occasional ash venting
Seismic recording at Galeras yesterday evening (ANGV station, INGEOMINAS)
Seismic recording at Galeras yesterday evening (ANGV station, INGEOMINAS)
A slight increase in seismic activity was reported by Pasto Observatory. Most seismicity was related to fluid movements within the volcano, some by degassing and light ash venting, which was observed on 16 and 21 January. ...plus
lundi, janv. 14, 2013
Galeras volcano (Colombia) activity update
In memoria: ...plus [lire toutes]
vendredi, janv. 11, 2013
Galeras volcano (Colombia) activity update
Current seismic signal from Galeras (ANGV station, INGEOMINAS)
Current seismic signal from Galeras (ANGV station, INGEOMINAS)
Seismic activity reflects fluid movement inside the volcano and has shown a slight increase in frequency and energy compared to the previous weeks. Some of these events were associated with degassing from the main crater and fumarolic fields located in the west and north of the active cone. Emissions including some ash venting was observed on 1,2,3 and 4 January.
dernier (2013) | 2012 | 2011 | Archive
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