(Eagle News)–Increased lava effusion was monitored in Mayon on Saturday evening, the Philippine Institute of Volcanology and Seismology said. PHIVOLCS said the effusion at the volcano, which remains under alert level 3, began at 10:10 p.m. It included an “abrupt intensification of incandescence” at the summit crater, and was followed by lava flow and rockfall at the Miisi and Bonga gullies. In its regular advisory, PHIVOLCS said 70 volcanic earthquakes including 65 volcanic tremors lasting […]
Tag: Mayon alert level
Mayon update: 362 rockfall events monitored in last 24 hours
(Eagle News)–Over 300 rockfall events were monitored in Mayon in the last 24 hours. The Philippine Institute of Volcanology and Seismology said apart from the 362 rockfall events, monitored were 39 volcanic quakes and five pyroclastic density current events. A slow effusion of lava flow from the crater at a length of 2.8 kilometers and 1.4 kilometers along Mi-si and Bonga gullies was also monitored. PHIVOLCS said sulfur dioxide flux was pegged at 2132 tons […]
No volcanic quakes monitored in Mayon in last 24 hours but Alert Level 2 still in place: PHIVOLCS
(Eagle News)–No volcanic earthquakes were monitored in Mayon in the last 24 hours, the Philippine Institute of Volcanology and Seismology said. However, an alert level 2 remains in place over the volcano. PHIVOLCS said the raising of the alert level from 1 was after daily visual and camera monitoring of the summit crater revealed a “continued aseismic growth” of its lava dome. According to PHIVOLCS, as of October 4, the lava dome has increased in […]
10 volcanic quakes, steam and sulfur dioxide emissions monitored at Mayon; PHIVOLCS says no magmatic eruption imminent
(Eagle News)– Ten volcanic earthquakes were monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said also monitored at the volcano, which remains on alert level 1, were a faint crater glow and steam and sulfur dioxide emissions. PHIVOLCS said the emission of white steam-laden plumes was moderate. Sulfur dioxide emission was last measured at an average of 676 tons on December 29. “Overall, the Mayon edifice is still inflated with […]
PHIVOLCS: 7 rockfall events, sulfur dioxide emission monitored at Mayon but no magmatic eruption imminent
(Eagle News) — Seven rockfall events were monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said sulfur dioxide emission was also monitored at the volcano, which remains on alert level 1. PHIVOLCS said sulfur dioxide emission was last measured at an average of 676 tons on December 29. “Overall, the Mayon edifice is still inflated with respect to baseline parameters,” PHIVOLCS said. PHIVOLCS said that while no magmatic eruption was […]
Rockfall, steam and sulfur dioxide emissions monitored at Mayon; alert level 1 stays
(Eagle News) — A rockfall event was monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said also monitored at the volcano, which remains on alert level 1, were steam and sulfur dioxide emissions. PHIVOLCS said the emission of white steam-laden plumes was moderate. Sulfur dioxide emission was last measured at an average of 676 tons on December 29. “Overall, the Mayon edifice is still inflated with respect to baseline parameters,” […]
PHIVOLCS: 8 rockfall events, sulfur emission monitored at Mayon but no magmatic eruption imminent
(Eagle News) — Eight rockfall events were monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said sulfur dioxide emission was also monitored at the volcano, which remains on alert level 1. PHIVOLCS said sulfur dioxide emission was at 436 tons–below baseline average–on October 29. According to PHIVOLCS, overall, the Mayon edifice was “still inflated with respect to baseline parameters.” It reminded the public while no magmatic eruption was imminent, Mayon […]
PHIVOLCS: 2 quakes, 4 rockfall events, others monitored at Mayon but no magmatic eruption imminent
(Eagle News)–Two volcanic earthquakes and four rockfall events were monitored at Mayon in 24 hours. Also monitored at the volcano, which remains on alert level 1, were a faint crater glow at night, and steam and sulfur dioxide emissions, the Philippine Institute of Volcanology and Seismology said. PHIVOLCS said the emission of white steam-laden plumes was moderate. Sulfur dioxide emission was below baseline average, at 436 tons on October 29. “Overall, the Mayon edifice is […]
2 volcanic quakes, 2 rockfall events, sulfur dioxide and steam emissions monitored at Mayon but no magmatic eruption imminent
(Eagle News)–Two volcanic earthquakes were monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said apart from the earthquakes, two rockfall events, and steam and sulfur dioxide emissions were monitored at the volcano, which remains on alert level 1. PHIVOLCS said the emission of white steam-laden plumes that crept downslope was moderate. Sulfur dioxide emission was below baseline average, at 436 tons, on October 29. PHIVOLCS said overall, the “Mayon edifice […]
PHIVOLCS: Steam, sulfur dioxide emissions monitored at Mayon but no magmatic eruption imminent
(Eagle News)–Steam and sulfur dioxide emissions were monitored at Mayon in 24 hours. No volcanic quake was monitored at the volcano, which remains on alert level 1, the Philippine Institute of Volcanology and Seismology said. According to PHIVOLCS, the steam-laden plumes downslope were moderate. Sulfur dioxide emission was last measured at an average of 143 tons on October 10. A slight inflation of the edifice and inflation of the lower to middle slopes since July […]
4 rockfall events, steam and sulfur dioxide emissions monitored at Mayon; volcano still on alert level 1
(Eagle News)–Four rockfall events were monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said also monitored at the volcano, which remains on alert level 1, were steam and sulfur dioxide emissions. PHIVOLCS said the white steam-laden plumes that rose 500 meters before drifting to the general east were moderate. Sulfur dioxide emission was also measured at an average of 143 tons on October 10. A slight inflation of the edifice […]





