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Latest news from Mayon:
Monday, Jul 01, 2013
PHILVOLCS maintains alert level 1 for the volcano. No significant seismic activity is taking place, and no crater glow has been observed recently. Degassing is at normal levels, but ground deformation measurements show that the edifice is still slightly inflated compared to January 2010 baselines. ... [more]
Monday, Jun 03, 2013
The alert level for the volcano has been raised by PHILVOLCS. A weak incandescence is sometimes observed at the summit, and slight inflation has been detected, suggesting that magma has started to intrude into the volcanic edifice. ... [more]


Mayon volcano

Stratovolcano 2462 m (8,077 ft)
Luzon Island, Philippines, 13.26°N / 123.69°E
Current status: restless (2 out of 5)
Mayon webcams / live data
Last update: 1 Jul 2013
Typical eruption style: Explosive.
Mayon volcano eruptions: 1616, 1766, 1800, 1811(?), 1814, 1827, 1834, 1839, 1845, 1846, 1851, 1853, 1855, 1857, 1858, 1859, 1860, 1861, 1862, 1863(?), 1868, 1871-72, 1872, 1873, 1876, 1876, 1881-82, 1885, 1886-87, 1888, 1890, 1891-92, 1893, 1895, 1896, 1897, 1900, 1902(?), 1928, 1928, 1939, 1941, 1943, 1947, 1968, 1978, 1984, 1993, 1999-2000, 2001, 2002, 2003, 2003(?), 2004, 2006, 2009
Last earthquakes nearby:
TimeMag. / DepthDistanceLocation
Fri, 6 Jun
Fri, 6 Jun 21:05 UTCM 2.4 / 1 km14 km004 km S 21° E of Guinobatan (Albay)
Fri, 6 Jun 21:05 UTCM 3.2 / 5 km2 km008 km N 38° E of Camalig (Albay)
Mayon, the most famous of the active volcanoes of the Philippines, is a perfect stratovolcano rising to 2462 m on Luzon Island. It erupts very frequently.

Background:

Mayon is the archetype of a symmetrical stratovolcano and one of the world most active ones. It has frequent eruptions producing pyroclastic flows, mud flows and ash falls that repeatedly triggered large-scale evacuations. Mayon's most violent eruption, in 1814, killed more than 1200 people and devastated several towns.
the volcano rises 2462 m above the Albay Gulf and has very steep upper slopes averaging 35-40 degrees capped by a small summit crater.
Historical records of eruptions date back to 1616 and range from strombolian to basaltic plinian, with cyclical activity beginning with basaltic eruptions, followed by longer term andesitic lava flows. Eruptions occur predominately from the central conduit and have also produced lava flows that travel far down the flanks. Pyroclastic flows and mudflows have commonly swept down many of the approximately 40 ravines that radiate from the summit and have often devastated populated lowland areas.
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Source: adapted from GVP / Smithsonian Institution

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