Mayon volcano (Philippines) update: weak summit activity
Sunday Jan 30, 2011 09:13 AM |
Weak activity is present at Mayon volcano's summit crater, where a red glow can be seen at night. Philvolcs reports that during 18-25 January 2011, up to two daily volcanic earthquakes were detected by the seismic network.
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Wednesday, Dec 16, 2009
Mayon volcano started to erupt again on Dec 14. The lava dome in the summit of the steep stratovolcano began to grow again and is producing strombolian and vulcanian explosions as well as incandescent rock avalanches and small pyroclastic flows travelling down up to 3 km the SE side of the volcano. ... [more]
Wednesday, Nov 11, 2009
At 1:58 AM on 11 Nov, an ash explosion occurred at the summit crater of Mayon Volcano. The event was not well observed as the summit was in clouds, but recorded on seismographs and iincandescent rock fragments were seen at the upper slope of the steep stratovolcano. Ashfall drifted towards the Southwest quadrant of the volcano due to the prevailing Northeast monsoon. [more]
Thursday, Aug 13, 2009
Even the number of earthquakes from Mayon have decreased, the volume of sulfur dioxide emissions has increased sharply. May be a sign of a comming eruption?Authorities declared four villages off-limits to people. [more]
Saturday, Dec 02, 2006
We regret to post a very sad volcano-related news entry. Heavy rainfall from the exceptionally strong typhoon Durian that hit the Philippines a few days ago triggered a series of huge mud flows and landslides on the slopes of Mayon volcano (which itself has been quiet for over a month now, but accumulated lots of fresh deposits in its last eruptive phase in the summer 2006).
Sunday, Oct 15, 2006
PHIVOLCS reported on 1 October that fumarolic activity from Mayon produced steam plumes that drifted ENE. Intense incandescence was observed at the summit. Observations were not possible 2-3 October due to cloud cover. According to news articles, the Alert Level was lowered to 2 on 3 October.[more]
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