In the past 24 hours as of 5 a.m. Sunday, Phivolcs has recorded the following:

• Alert level 2 is maintained over Mayon 
• Five rockfall events 
• Mayon Volcano's daily sulfur dioxide emissions (SO2) reached 692 tons per day on Saturday, Dec. 9, 2023. 
•  The volcano's emissions are moderate, display west-southwest drift 
• Mayon Volcano's edifice is showing signs of short-term inflation
  

In the past 24 hours as of 5 a.m. Saturday, Phivolcs has recorded the following:

• Alert level 2 is maintained over Mayon
• Three volcanic earthquakes
• The volcano's emissions are 100 meters tall (moderate), display  northwest, west-northwest, and west-southwest drift
• Inflation of the edifice

The Philippine Institute of Volcanology and Seismology (Phivolcs) has officially lowered the alert status of Mayon Volcano to Level 2 in response to a decline in overall volcanic activity.

“Phivolcs is lowering the Alert Level of Mayon Volcano from Alert Level 3 (tendency towards a hazardous eruption) to Alert Level 2 (moderate level of unrest),” it said in its 8 a.m. bulletin.

More here.

In the past 24 hours as of 5 a.m. Wednesday, Phivolcs has recorded the following:

• Alert level 3 is maintained over Mayon.
• Slow effusion of lava flow from the crater to lengths of 3.4 kilometers, 2.8 kilometers, and 1.1 kilometers along Bonga, Mi-isi, and Basud Gullies, respectively. 
• Lava collapse up to 4 kilometers from the crater. One volcanic earthquake. 
•  Mayon Volcano's daily sulfur dioxide emissions (SO2) reached 1,453 tons per day on Tuesday, Dec. 5, 2023. 
• The volcano's emissions are 200 meters tall (moderate), display west-northwest drift. 
• Mayon Volcano's edifice is showing signs of short-term inflation.
  

In the past 24 hours as of 5 a.m. Tuesday, Phivolcs has recorded the following:

• Alert level 3 is maintained over Mayon.

• Slow effusion of lava flow from the crater to lengths of 3.4 kilometers, 2.8 km and 1.1 km along Bonga, Mi-isi, and Basud Gullies, respectively, and lava collapse up to 4 km from the crater

• 1  volcanic earthquakes + 1 Rockfall events

• Mayon Volcano's daily sulfur dioxide emissions (SO2) reached 1279 tonnes / day (Dec. 2, 2023)

• The volcano's emissions are moderate and display west-southwest drift

• Mayon Volcano's edifice is showing signs of short-term inflation.

In the past 24 hours as of 5 a.m. Monday, Phivolcs has recorded the following:

• Alert level 3 is maintained over Mayon.

• Slow effusion of lava flow from the crater to lengths of 3.4 kilometers, 2.8 km and 1.1 km along Bonga, Mi-isi, and Basud Gullies, respectively, and lava collapse up to 4 km from the crater

• 0 volcanic earthquakes

• Mayon Volcano's daily sulfur dioxide emissions (SO2) reached 1279 tonnes / day (02 December 2023)

• The volcano's emissions are obscured

• Mayon Volcano's edifice is showing signs of short-term inflation.

In the past 24 hours as of 5 a.m. Sunday, Phivolcs has recorded the following:

• Alert level 3 is maintained over Mayon.
• 2 volcanic earthquakes
• Mayon Volcano's daily sulfur dioxide emissions (SO2) reached 1,279 tons per day on Dec. 2, 2023.
• The volcano's emissions are moderate, display west-northwest drift
• Mayon Volcano's edifice is showing signs of short-term inflation.

In the past 24 hours as of 5 a.m. Saturday, Phivolcs has recorded the following:

• Alert level 3 is maintained over Mayon.
• Slow effusion of lava flow from the crater to lengths of 3.4 kilometers, 2.8 kilometers, and 1.1 kilometers along Bonga, Mi-isi, and Basud Gullies, respectively.
• Lava collapse up to 4 kilometers from the crater.
• Two volcanic earthquakes and two rockfall events. 
• Mayon Volcano's daily sulfur dioxide emissions (SO2) reached 1,202 tons per day on Nov. 30, 2023.
• The volcano's emissions are obscured.
• Mayon Volcano's edifice is showing signs of short-term inflation.

In the past 24 hours as of 5 a.m. Friday, Phivolcs has recorded the following:

• Alert level 3 is maintained over Mayon.
• Slow effusion of lava flow from the crater to lengths of 3.4 kilometers, 2.8 kilometers, and 1.1 kilometers along Bonga, Mi-isi, and Basud Gullies, respectively. 
• Lava collapse up to 4 kilometers from the crater. 
• Two volcanic earthquakes and one rockfall event. 
• Mayon Volcano's daily sulfur dioxide emissions (SO2) reached 1,202 tons per day on Nov. 30, 2023. 
• The volcano's emissions are moderate, display west-northwest drift. 
• Mayon Volcano's edifice is showing signs of short-term inflation.
  

In the past 24 hours as of 5 a.m. Thursday, Phivolcs has recorded the following:

• Alert level 3 is maintained over Mayon.

• Slow effusion of lava flow from the crater to lengths of 3.4 kilometers, 2.8 km and 1.1 km along Bonga, Mi-isi, and Basud Gullies, respectively, and lava collapse up to 4 km from the crater

• 10 volcanic earthquakes + 1 rockfall event

• Mayon Volcano's daily sulfur dioxide emissions (SO2) reached 2240 tonnes / day (28 November 2023)

• The volcano's emissions are moderate and display west-northwest drift

• Mayon Volcano's edifice is showing signs of short-term inflation.