Silent Garden News
Update: Mayon Volcano - PHIVOLCS Bulletin 18 
For the past 24 hours, Mayon Volcano’s activity was characterized by extrusion of lava and rolling down of incandescent lava fragments along the Bonga gully. The summit of the volcano was obscured most of the time yesterday due to thick cloud cover. No ash explosion was observed during times of good visibility. Emission of very weak to moderate volume of white steam that drifted towards west- southwest was observed during clear views of the crater.

Seismic monitoring revealed the occurrence of 60 volcanic earthquakes. A total of 267 rock fall events related to the detachment of lava fragments at the volcano’s upper slopes was also detected by the seismic network. Sulfur Dioxide (SO2) emission rate measurements yesterday yielded an average value of 1,158 tonnes per day. The volcano edifice remains inflated as indicated by the electronic tilt meter installed at the northeast sector of the volcano.





The status of Mayon Volcano is maintained at Alert Level 4. PHIVOLCS-DOST reiterates that the Extended Danger Zone (EDZ) from the summit of 8-km on the southern sector of the volcano and 7-km on the northern sector should be free from human activity. Areas just outside of this EDZ should prepare for evacuation in the event hazardous eruptions intensify.

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Update: Mayon Volcano - PHIVOLCS Bulletin 17 
For the past 24 hours, one ash explosion occurred at Mayon Volcano). The explosion produced a dirty white ash column that rose to about 100 meters above the summit and drifted to the northwest. Lava continued to flow down along the Bonga-Buyuan, Miisi and Lidong gullies. The lava front has now reached about 5.9 kilometers from the summit along the Bonga-Buyuan gully.

Mayon Volcano’s seismic network recorded 16 volcanic earthquakes. A total of 150 rock fall events related to the detachment of lava fragments at the volcano’s upper slopes was also detected by the seismic network. Yesterday’s measurement of Sulfur Dioxide (SO2) emission rate yielded an average value of 4,397 tonnes per day. The volcano edifice remains inflated as indicated by the electronic tilt meter installed at the northeast sector of the volcano.

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Update: Mayon Volcano - PHIVOLCS Bulletin 16 
Mayon Volcano continued to be restive and exhibited 9 ash explosions during the past 24 hours. The explosions produced dirty white to light brown ash columns that rose to a maximum height of about 2000 meters above the summit before drifting towards the west and southwest.

Seismic activity remained at high level as a total of 38 volcanic earthquakes and 171 rock fall events related to the detachment of lava fragments at the volcano’s upper slopes was detected by the seismic network. Measurements of sulfur dioxide emission rate conducted yesterday yielded an average value of 3,416 tonnes per day.

Red hot lava continued to flow down along the Bonga-Buyuan, Miisi and Lidong gullies. At present, the lava front at Buyuan channel is approximately 5.8 kilometers downslope from the summit crater. From time to time, rolling down of incandescent lava fragments coming from the crater was observed.

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Update: Mayon Volcano - PHIVOLCS Bulletin 15 
For the past 24 hours, Mayon Volcano’s intense level of unrest persisted. Seven ash explosions were observed during times of good visibility. The explosions produced dirty white to light gray ash columns that rose to a maximum height of about 2000 meters above the summit before drifting towards the southwest.

A total of 44 volcanic earthquakes and 137 rock fall events related to the detachment of lava fragments at the volcano’s upper slopes was detected by the seismic network. Red hot lava continuously flowed down along the Bonga-Buyuan, Miisi and Lidong gullies. Intermittent rolling of incandescent lava fragments were also observed. Yesterday’s measurement of sulfur dioxide emission rate increased to 4,329 tonnes per day from the previous 2,304 t/d.

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Update: Mayon Volcano - PHIVOLCS Bulletin 14 
Mayon Volcano continued to exhibit a high level of activity during the past 24-hours observation period. Nine ash explosions accompanied by rumbling sounds were observed during times of good visibility, seven of which occurred from 4:20AM to 5:49AM today. The explosions produced dirty white to brownish ash columns with lava fragments that reached heights from 800 to 1000 meters above the summit.

The seismic network detected 44 volcanic earthquakes and 297 rock fall events related to the detachment of lava fragments at the volcano’s upper slopes. Flowing red hot lava and rolling incandescent lava fragments temporarily slowed down after the 10:52AM explosion earthquake yesterday and resumed early morning today after the 4:20 AM ash explosion. The apparent brief lull was also reflective of the decrease in the sulfur dioxide emission rate from the previous 8,993 tonnes per day to yesterday’s measurement of 2,304 tonnes per day.

Electronic tilt meter measurements at the northwest slope of Mayon Volcano (elevation 800m ASL), indicate that the edifice remained inflated despite the high volume of lava extruded since the start of the eruption on December 14, 2009.

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Two ferries sink within 2 days 
In the night from 26 to 27 December the RoRo (Roll-on, Roll-off) ferry M/V Baleno 9 sank off the coast of Batangas. The vessel sailed at 9:30 PM from Calapan City in Oriental Mindoro to Batangas City and sunk near San Agapito Verde Island around 11:30 PM.
By this time we only know that 63 passengers and crew have been rescued and 25 people are missing
M/V Baleno 9 is owned by Besta Shipping Lines.

Three persons were confirmed killed while 24 others were missing when a passenger boat sank after colliding with a fishing vessel off Limbones Island in Cavite at dawn Thursday, December 24. Forty six other passengers were rescued.
The fatalities and the missing were all from the MV Catalyn B, a wooden hull motorized banca with 14 crew members and 59 passengers aboard.




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Update: Mayon Volcano - PHIVOLCS Bulletin 13 
Mayon Volcano continued to exhibit a high level of activity during the past 24-hour observation period.

33 ash explosions with dirty white to brownish ash columns that reached maximum heights of 1,000 m above the summit were observed during times of good visibility.

26 rumbling and two hissing sounds from the volcano were heard at the Lignon Hill Observatory in Legaspi City.

Seismic activity remained elevated as the seismic network recorded a total of 406 volcanic earthquakes. 142 rock fall events related to detachment of lava fragments at the volcano’s upper slopes were also detected. Flowing red hot lava and rolling incandescent lava fragments were continuously observed at Bonga, Padang and Miisi gullies.

Sulfur Dioxide (SO2) emission rate remained high and was measured at an average of 8,993 tonnes per day yesterday.



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Christmas in Camiguin 
The Silent Gardens Team wishes you merry Christmas from Camiguin, the island of the most peaceful people in the world.



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Bang - bang - Christmas in the Philippines 
The Philippines are the only catholic country in south-east Asia (SEA).
The Filipinos, or Pinoys, celebrate this event with a mixture of catholic ceremonies - a leftover from the Spaniards and the influence of the Chinese culture.

All day and night one can hear the firecrackers and the bamboo canons. These bamboo canons make a strange, deep sound.



Take a 4-5 feet long piece of big, young, yellow bamboo, one that has about 5 walls (the things that separate the "compartments" in a bamboo pipe).
Then drive a stake through it to remove all but the last wall, the one at the bottom end of the pipe.
Make a small hole (say, a 1-inch square) on the side of the cannon at about 3 inches from the wall at the closed end.
That's all.
Put a some pieces of calcium-carbide in the pipe.
Give some few drops of water inside and shake gently.
Get a firebrand (don’t use lighters unless you’re suicidal), and bring it to the hole, making sure you keep all your precious body parts as far away from it as possible.

Your bamboo canon makes a big

BANG!



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Update: Mayon Volcano - PHIVOLCS Bulletin 12 
Mayon Volcano continued to show an intense level of activity during the past 24-hour observation period.

96 ash explosions were observed during times of good visibility. These explosions produced light brown to grayish ash columns that reached heights of up to 2 km.

125 rumbling and booming sounds from the volcano were heard at the Lignon Hill Observatory in Legaspi City. Seismic activity remained elevated as the seismic network recorded a total of 871 volcanic earthquakes.

98 rock fall events, related to detachment of lava fragments at the volcano’s upper slopes, were also detected. Three of these events were observed to have generated pyroclastic flows that moved down within 2 km from the crater. Sulfur Dioxide (SO2) emission rate was high and was measured at an average of 2,738 tonnes/day yesterday.



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