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Donnerstag, Mai 16, 2013
Pasto volcano observatory reports no significant changes and maintains yellow (unrest) alert level. The only sign of activity is continuing slightly elevated seismicity (up to magnitudes 1) at shallow depths (less than 3 km) under La Plazuela crater on the northern flank of the volcanic complex.
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Donnerstag, Mai 02, 2013
Pasto observatory reported an increase in seismic activity during the past week, with many small volcanic-tectonic quakes u to magnitudes of 2.6 at varying depths of up to 20 km underneath of La Plazuela crater on the northern sector of the volcanic complex.
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Cumbal VulkanSchichtvulkan 4764 m / 15,630 feet
Kolumbien, 0.95°N / -77.87°W Aktueller Status: unruhig (2 von 5) Cumbal Webcams / aktuelle Daten
Letztes Update: 16 Mai 2013
Typische Aktivität: effusive, mildly explosive Ausbrüche des Cumbal : 1926, 1877 Letzte Erdbeben in der Nähe:
Cumbal is the southernmost active volcano of Colombia that has erupted in historic times. A young lava dome occupies the 250-m-wide summit crater, and eruptions from the upper east flank produced a 6-km-long lava field. Thermal springs occur on the SE flanks. Beschreibung:Cumbal volcano is elongated in a NE-SW direction and composed primarily of andesitic-dacitic lava flows, including many geologically young ones. Over time, the active vents seem to have migrated SW-wards:The 2 active craters, the main crater on the NE side and Mundo Nuevo crater on the SW side have active fumaroles and sulphur deposits and built the summit ridge, while the oldest vents are located NNE of Cumbal and Mundo Nuevo craters. 1988 volcanic unrest
Seismic unrest and an increase in fumarolic activity occurred in 1988, simultaneously with nearby Galeras volcano. |
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