Mayon volcano spews red-hot lava in another eruption as seen from Legazpi city, Albay province, roughly 200 miles (340 kilometers) southeast of Manila, Philippines, Tuesday, Jan. 23, 2018. Mayon has spewed fountains of red-hot lava and massive ash plumes anew in a dazzling but increasingly dangerous eruption that has sent 56,000 villagers fleeing to evacuation centers. (AP Photo/Bullit Marquez)
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Mayon volcano spews red-hot lava in another eruption as seen from Legazpi city, Albay province around 200 miles (340 kilometers) southeast of Manila, Philippines Tuesday, Jan. 23, 2018. The Philippines' most active volcano spewed fontains of red-hot lava and massive ash plumes in a dazzling but increasingly dangerous eruption that has sent thousands villagers fleeing to evacuation centers.(AP Photo/Bullit Marquez)
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Mayon volcano spews red hot lava in another eruption as seen from Legazpi city, Albay province, roughly 200 miles (340 kilometers) southeast of Manila, Philippines, Tuesday, Jan. 23, 2018. Mayon has spewed fountains of red-hot lava and massive ash plumes anew in a dazzling but increasingly dangerous eruption that has sent 56,000 villagers fleeing to evacuation centers. (AP Photo/Bullit Marquez)
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epa06445978 Red glowing lava flows down a slope of Mayon Volcano as seen from Legaspi city, Albay Province, Philippines, 17 January 2018. The Philippine Institute of Volcanology and Seismology Agency (PHIVOLCS) maintained the alert level at 3 (critical) on a scale of 5, citing an imminent major volcanic eruption, although it could take days or even weeks to occur. A total of 15,410 people living within a 6-kilometer radius of the crater, which has been designated as a danger zone, have been evacuated and housed in temporary shelters, schools and sports centers in the region. The government of the Albay province declared a state of emergency on 16 January 2018. EPA/FRANCIS R. MALASIG
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Mayon volcano spews red -hot lava in another eruption as seen from Legazpi city, Albay province, roughly 200 miles (340 kilometers) southeast of Manila, Philippines, Tuesday, Jan. 23, 2018. Mayon has spewed fountains of red-hot lava and massive ash plumes anew in a dazzling but increasingly dangerous eruption that has sent 56,000 villagers fleeing to evacuation centers. (AP Photo/Bullit Marquez)
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Mayon volcano spews red-hot lava in another eruption as seen from Legazpi city, Albay province, roughly 200 miles (340 kilometers) southeast of Manila, Philippines, Tuesday, Jan. 23, 2018. Mayon has spewed fountains of red-hot lava and massive ash plumes anew in a dazzling but increasingly dangerous eruption that has sent 56,000 villagers fleeing to evacuation centers. (AP Photo/Bullit Marquez)
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A huge column of ash shoots up to the sky during the eruption of Mayon volcano Monday, Jan. 22, 2018 as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines. The Philippines' most active volcano erupted Monday prompting the Philippine Institute of Volcanology and Seismology to raise the Alert level to 4 from last week's alert level 3. (AP Photo/Earl Recamunda)
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Mayon volcano spews ash as it erupts anew Tuesday, Jan. 23, 2018 as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines. The Philippines' most active volcano ejected a huge column of lava fragments, ash and smoke in another thunderous explosion at dawn Tuesday, sending thousands of villagers back to evacuation centers and prompting a warning that a violent eruption may be imminent. (AP Photo/Bullit Marquez)
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Mayon volcano spews ash as it erupts anew Tuesday, Jan. 23, 2018 as seen from Legazpi city, Albay province, southeast of Manila, Philippines. The Philippines' most active volcano ejected a huge column of lava fragments, ash and smoke in another thunderous explosion at dawn Tuesday, sending thousands of villagers back to evacuation centers and prompting a warning that a violent eruption may be imminent. (AP Photo/Bullit Marquez)
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A huge column of ash shoots up to the sky during the eruption of Mayon volcano Monday, Jan. 22, 2018 as seen from Daraga township, Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines. The Philippines' most active volcano erupted Monday prompting the Philippine Institute of Volcanology and Seismology to raise the Alert level to 4 from last week's alert level 3. (AP Photo/Dan Amaranto)
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A foreign tourist, left, takes photos of an erupting Mayon volcano Tuesday, Jan. 23, 2018 as seen from Legazpi city, Albay province, southeast of Manila, Philippines. The Philippines' most active volcano ejected a huge column of lava fragments, ash and smoke in another thunderous explosion at dawn Tuesday, sending thousands of villagers back to evacuation centers and prompting a warning that a violent eruption may be imminent. (AP Photo/Bullit Marquez)
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Mayon volcano spews ash as it erupts anew Tuesday, Jan. 23, 2018 as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines. The Philippines' most active volcano ejected a huge column of lava fragments, ash and smoke in another thunderous explosion at dawn Tuesday, sending thousands of villagers back to evacuation centers and prompting a warning that a violent eruption may be imminent. (AP Photo/Bullit Marquez)
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Residents living within the 9-kilometer (5.6-mile) radius around Mayon volcano are evacuated to safer grounds as Mayon continues to erupt for the second straight day Tuesday, Jan. 23, 2018 in Legazpi city, Albay province, southeast of Manila, Philippines. The Philippines' most active volcano continued to spew fountains of red-hot lava and massive ash plumes Tuesday in a dazzling but increasingly dangerous eruption that has sent 40,000 villagers to shelter in evacuation centers. (AP Photo/Bullit Marquez)
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epa06445669 Filipino evacuees take shelter at a school next to rumbling Mayon Volcano in the town of Camalig, Albay province, Philippines, 17 January 2018. Philippine Institute of Volcanology and Seismology Agency (PHIVOLCS) maintained the alert level at 3 (critical) on a scale of 5, citing an imminent major volcanic eruption, although it could take days or even weeks to occur. A total of 15,410 people living within a six-kilometer radius of the crater, which has been designated as a danger zone, have been evacuated and housed in temporary shelters, schools and sports centers in the region. The government of the Albay province declared a state of calamity on 16 January. EPA/FRANCIS R. MALASIG
Mayon has spewed fountains of red-hot lava and massive ash plumes anew in a dazzling but increasingly dangerous eruption that has sent 56,000 villagers fleeing to evacuation centers.