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Ash plume from Nevado del Ruiz Monday afternoon (INGEOMINAS)
Activity at the volcano has increased during the past week. Accompanied by elevated seismic activity, ash emissions have been occurring since 14 April.
The strongest phase of activity was on 19 April, when ash plumes rose to estimated 900 meters above the summit.
The Ingeominas volcano observatory in Manizales reported a change in seismicity detected since 12 April, when an increase in volcanic-tectonic (rock-fracturing) signals was detected, signs of pressurization and possible magma intrusion at depth.
Courtesy of volcanodiscovery.com
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