Philippines: Lava Flows from Mount Mayon Volcano

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Philippine Institute of Volcanology and Seismology raised the alert level for Mount Mayon volcano to a three on a scale of five. It indicates an improved tendency toward a risky explosion. Lava flowed less than half a mile down a gulley from the crater. Ash clouds appeared mid-slope on Monday morning.

Lava Flows from Mount Mayon Volcano

Highlights

  • More than 9,000 people have evacuated area around the Philippines՚ most active volcano as lava flows down.
  • Its crater in a gentle eruption that scientists are warning could turn explosive.
  • A tourist attraction because of its near-perfect cone shape, following a “steam-driven eruption” on Saturday.
  • Volcano in Albay province in northeastern Philippines began to spew lava from its crater.
  • Residents from the Albay area on the island of Luzon have been evacuated.
  • Volcano lies in coconut-growing Albay area about 340 kilometers (210 miles) southeast of Manila.
  • Increase the alert level for Mount Mayon volcano, increasing the chances for an explosive eruption.
  • Authorities advised people to cover their noses and mouths with a damp, clean cloth or dust mask if they were exposed to ash from the eruptions.
  • Aircraft must avoid flying close to the volcano՚s summit.
Philippines

Steam-Explosions

  • Three steam-explosions since Saturday spewed ash into nearby villages.
  • It breached solidified lava at the crater and caused lava to start flowing,
  • Alert level 3 is what we considered critical, 4 is when eruption is imminent, and 5 is eruption in progress.

About Mayon

  • Also known as Mayon Volcano or Mount Mayon.
  • It is an active stratovolcano in the area of Albay in Bicol Region, on the large island of Luzon in the Philippines.
  • First in the nation, volcano and its surrounding landscape declared a national park on July 20 of 1938.
  • It was reclassified a Natural Park and renamed as the Mayon Volcano Natural Park in 2000.
  • Mayon is shared by eight cities and municipalities of Albay area:
Albay Area

Background Detail

  • Mayon՚s first recorded eruption was in 1616.
  • Most destructive eruption in 1814 killed 1,200 people and buried the town of Cagsawa in volcanic mud.
  • Mayon in north-eastern Albay area has erupted about 50 times in the past 500 years.
  • An ash eruption killed 5 climbers, including 3 Germans, who had ventured near the summit although warnings of possible danger on May 7,2013.
  • It last erupted in 14, January 2014, spewing lava and forcing thousands of people to evacuate.

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