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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 - ongoing quakes and felt earthquake of magnitude 3.0

Wednesday Oct 17, 2012 10:05 AM | DOOR: T

Seismic signal on 17 Oct showing the earthquake (CIMA station)
Seismic signal on 17 Oct showing the earthquake (CIMA station)
On October 17, 2012 at 12:33 (local time), there was a volcano-tectonic earthquake with local magnitude 3.0 located to the southeast of the main dome to a depth of 13.26 km, and reported as felt by residents near the volcano, and in the municipality of Cajamarca (Tolima).
This quake adds to ongoing seismic activity which is dominated by small quakes at 3-4 km depth beneath the main dome. A second cluster of earthquakes has been occurring at 12-16 km depth beneath an area SE of the dome in the sectors of Moral and Moralito.
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Koppelingen / Bronnen:
  • Boletín extraordinario de actividad del volcán Cerro Machín - Sismo Sentido, 17 de Octubre 2012, 12:50 p.m. (INGEOMINAS)
Vorig nieuws
Seismic signal on 12 Oct (CIMA station)
Friday, Oct 12, 2012
Some earthquakes and long-period events appear on the seismograms, which otherwise has been relatively calm during the past days. [meer...]
Seismic signal this morning October 9 (CIMA station, INGEOMINAS)
Tuesday, Oct 09, 2012
Op 7 oktober om 21: 32 en 21: 35 (lokale tijd) 2 vulkaan-tektonische aardbevingen met lokale magnitude 4.6 en 3.9 opgetreden onder Cerro Machin op 12 km diepte in het zuidoosten van de belangrijkste koepel. ... [meer...]
Wednesday, Oct 03, 2012
Some weak seismic activity was located south of the main dome at depths ranging between 3 and 5 km. Additionally, there were earthquakes located to the southeast of the dome in the sector between Moral and Moralito. The earthquake of greatest magnitude during the week was a 1.0 (Local Magnitude ML) on September 29 at 10:15 (local time). No other changes were noted at the volcano. [meer...]
Current seismogram from Cerro Machin (CIMA station, INGEOMINAS)
Wednesday, Sep 26, 2012
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. [meer...]
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. [meer...]

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