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Diaporama
Machin volcano satellite image by (c) Google Earth View
Machin volcano satellite image by (c) Google Earth View
Colombia: Machín and Nevado del Huila Volcanoes (as of 10 Nov 2008) - Location Map (source: United Nations Office for the Coordination of Humanitarian Affairs - ReliefWeb )
Colombia: Machín and Nevado del Huila Volcanoes (as of 10 Nov 2008) - Location Map (source: United Nations Office for the Coordination of Humanitarian Affairs - ReliefWeb )

 

Machin volcano (Colombia) activity update: seismic swarms

mardi sept. 11, 2012 10:05 | AUTEUR : T

Seismic signal on 10 Sep (CIMA station)
Seismic signal on 10 Sep (CIMA station)
Current seismic signal from same station
Current seismic signal from same station
Another small swarm of quakes occurred on 10 Sep and then ceased. At the moment, seismicity is again low.
Actualités précédentes
Current seismogram from Cerro Machin showing the 3.6 quake this morning (CIMA station, INGEOMINAS)
dimanche, sept. 09, 2012
At 07:32 local time 9 Sep, a 3.6 magnitude quake occurred at 3.2 km depth beneath the summit of the volcano. Seismicity had been elevated since 8 Sep and stronger than normal seismic activity has been following the quake today. This is the most energetic seismic activity at the volcano for probably more than a year. [details]
Current seismogram from Cerro Machin  (CIMA station, INGEOMINAS)
mercredi, sept. 05, 2012
Weak volcanic quakes concentrated SE of the main dome at depths between 3.0 - 9.5 km occurred during the past week. [details]
mercredi, août 29, 2012
No significant changes have been occurring. Weak seismic unrest continues at Cerro Machín with some small volcanic quakes clustered at depths between 3-6 km south and southwest under the main summit. The largest event was a magnitude 0.55 on 22 August at 08:27 local time. [details]
Seismic signal from Cerro Machin (CIMA station, INGEOMINAS)
mardi, août 07, 2012
Seismicity at Machin remains at slightly elevated levels with some weak earthquakes SE under the lava dome at depths between 3.5 and 5 km. [details]
mardi, nov. 11, 2008
Machín volcano in Tolima (Columbia) became active over the weekend as Columbian newspapers reported. Hundreds of families living in the area surrounding the volcano had to be evacuated. ... [details]

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