Photo: Bullit Marquez, AP
In this Tuesday, Jan. 23, 2018, file photo, the Mayon volcano spews ash as it erupts behind Legazpi city, Albay province, southeast of Manila, Philippines.
In this Tuesday, Jan. 23, 2018, file photo, the Mayon volcano spews ash as it erupts behind Legazpi city, Albay province, southeast of Manila, Philippines.
Photo: Bullit Marquez, AP
In this Tuesday, Jan. 23, 2018, file photo, pyroclastic materials cascade down the slopes of the Mayon volcano as it erupts behind Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines.
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In this Tuesday, Jan. 23, 2018, file photo, pyroclastic materials cascade down the slopes of the Mayon volcano as it erupts behind Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of
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Photo: Bullit Marquez, AP
In this Tuesday, Jan. 23, 2018, file photo, the Mayon volcano erupts for the second straight day outside Legazpi city, Albay province, southeast of Manila, Philippines.
In this Tuesday, Jan. 23, 2018, file photo, the Mayon volcano erupts for the second straight day outside Legazpi city, Albay province, southeast of Manila, Philippines.
Photo: Bullit Marquez, AP
In this Thursday, Jan. 25, 2018, file photo, a fisherman unloads gear during a mild eruption of the Mayon volcano at sunrise, outside Legazpi city, Albay province, roughly 340 kilometers (200 miles), southeast of Manila, Philippines.
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In this Thursday, Jan. 25, 2018, file photo, a fisherman unloads gear during a mild eruption of the Mayon volcano at sunrise, outside Legazpi city, Albay province, roughly 340 kilometers (200 miles), southeast
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Photo: Bullit Marquez, AP
In this Wednesday, Jan. 24, 2018, file photo, the Mayon volcano spews red-hot lava in another eruption as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines.
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In this Wednesday, Jan. 24, 2018, file photo, the Mayon volcano spews red-hot lava in another eruption as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila,
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Photo: Bullit Marquez, AP
In this Jan. 25, 2018, file photo, farmers tend to their crops during a mild eruption of the Mayon volcano at sunrise outside Legazpi city, Albay province, roughly 340 kilometers (200 miles), southeast of Manila, Philippines.
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In this Jan. 25, 2018, file photo, farmers tend to their crops during a mild eruption of the Mayon volcano at sunrise outside Legazpi city, Albay province, roughly 340 kilometers (200 miles), southeast of
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Photo: Bullit Marquez, AP
In this Thursday, Jan. 25, 2018, file photo, the Mayon volcano spews molten lava during its sporadic eruption early as seen from a village in Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines.
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In this Thursday, Jan. 25, 2018, file photo, the Mayon volcano spews molten lava during its sporadic eruption early as seen from a village in Legazpi city, Albay province, around 340 kilometers (200 miles)
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Photo: Bullit Marquez, AP
In this Wednesday, Jan. 24, 2018, file photo, a rafter of turkeys searches for food amidst an erupting Mayon volcano as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines.
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In this Wednesday, Jan. 24, 2018, file photo, a rafter of turkeys searches for food amidst an erupting Mayon volcano as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of
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Photo: Bullit Marquez, AP
In this Tuesday, Jan. 23, 2018, file photo, the 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.
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In this Tuesday, Jan. 23, 2018, file photo, the Mayon volcano spews red-hot lava in another eruption as seen from Legazpi city, Albay province, roughly 200 miles (340 kilometers) southeast of Manila,
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Photo: Bullit Marquez, AP
In this Thursday, Jan. 25, 2018, file photo, a public transport driver pauses to look at the erupting Mayon volcano behind a village in Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines.
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In this Thursday, Jan. 25, 2018, file photo, a public transport driver pauses to look at the erupting Mayon volcano behind a village in Legazpi city, Albay province, around 340 kilometers (200 miles) southeast
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Photo: Bullit Marquez, AP
In this Thursday, Jan. 25, 2018, file photo, the Mayon volcano continues to erupt as the sun sets behind Legazpi city, in Albay province, roughly 340 kilometers, (200 miles) southeast of Manila, Philippines.
In this Thursday, Jan. 25, 2018, file photo, the Mayon volcano continues to erupt as the sun sets behind Legazpi city, in Albay province, roughly 340 kilometers, (200 miles) southeast of Manila, Philippines.
Photo: Bullit Marquez, AP
In this Wednesday, Jan. 24, 2018, file photo, residents watch as Mayon volcano erupts anew as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines.
In this Wednesday, Jan. 24, 2018, file photo, residents watch as Mayon volcano erupts anew as seen from Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines.
Photo: Bullit Marquez, AP
In this Tuesday, Jan. 23, 2018, file photo, the 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.
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In this Tuesday, Jan. 23, 2018, file photo, the Mayon volcano spews red-hot lava in another eruption as seen from Legazpi city, Albay province, roughly 200 miles (340 kilometers) southeast of Manila,
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Photo: Bullit Marquez, AP
In this Thursday, Jan. 25, 2018, file photo, the Mayon volcano spews molten lava during its sporadic eruption in the early morning outside Legazpi city, Albay province, around 340 kilometers (200 miles) southeast of Manila, Philippines.
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In this Thursday, Jan. 25, 2018, file photo, the Mayon volcano spews molten lava during its sporadic eruption in the early morning outside Legazpi city, Albay province, around 340 kilometers (200 miles)
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Photo: Bullit Marquez, AP
In this Thursday, Jan. 26, 2018, file photo, the Mayon volcano erupts anew at sunset in Albay province around 200 miles (340 kilometers) southeast of Manila, Philippines.
In this Thursday, Jan. 26, 2018, file photo, the Mayon volcano erupts anew at sunset in Albay province around 200 miles (340 kilometers) southeast of Manila, Philippines.
Photo: Bullit Marquez, AP