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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 )

 

Cerro Machin volcano activity from 17 to 23 September 2012

Wednesday Sep 26, 2012 09:01 AM | VON: T

Current seismogram from Cerro Machin (CIMA station, INGEOMINAS)
Current seismogram from Cerro Machin (CIMA station, INGEOMINAS)
During the last week Cerro Machin volcano continued to record seismic events associated with the fracturing of rock inside the volcano, located in the main dome and south of it, at depths ranging between 2.5 and 5 km. Additionally, other events were located to the southeast of the dome in the sector between Moral and Moralito.
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Seismic signal on 19 Sep (CIMA station)
Wednesday, Sep 19, 2012
Elevated seismic activity continues with 82 events registered over the past 7 days, out of which 45 shallow volcanic quakes up to magnitude 1.3 and frequent tremor pulses of weak energy. Visual observations reveal strong degassing generating a plume rising less than 1 km. [mehr]
Seismic signal this morning (CIMA station)
Wednesday, Sep 12, 2012
At the moment, seismicity Machin is calm again. INGEOMINAS summarizes the recent 2 earthquake swarms on 9 Sep between 7:30 and 8:30 (local time) and the following day 10 Sep between 07:20 and 14:00. ... [mehr]
Seismic signal on 10 Sep (CIMA station)
Tuesday, Sep 11, 2012
Another small swarm of quakes occurred on 10 Sep and then ceased. At the moment, seismicity is again low. [mehr]
Current seismogram from Cerro Machin showing the 3.6 quake this morning (CIMA station, INGEOMINAS)
Sunday, Sep 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. [mehr]
Current seismogram from Cerro Machin  (CIMA station, INGEOMINAS)
Wednesday, Sep 05, 2012
Weak volcanic quakes concentrated SE of the main dome at depths between 3.0 - 9.5 km occurred during the past week. [mehr]

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