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Zufallsfotos
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: degassing, elevatede seismic activity

Wednesday Sep 19, 2012 10:05 AM | VON: T

Seismic signal on 19 Sep (CIMA station)
Seismic signal on 19 Sep (CIMA station)
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.
Vorherige Nachrichten
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]
Wednesday, Aug 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. [mehr]

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