Watch: Volcanoes erupt around the globe

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River of lava in Italy

Red-hot lava flows down Sicily's Mount Etna after a recent eruption.

It was a fiery weekend across the world beneath and above the surface. Three volcanoes erupted putting nearby towns and villages on alert.

Italy

A river of glowing lava at about 1,400 degrees Fahrenheit, lazily meandering down Mount Etna in Sicily, Italy to the sea. The flow sizzled and smoked as it burned anything in its path.

Etna started erupting May 23 at its Southeast Crater with strombolian activity and ash emissions, reported the Global Volcanism Program, part of the Smithsonian Institution and the U.S. Geological Survey (USGS). Strombolian eruptions are moderately explosive and send rock hundreds of feet into the air like fireworks, according to the National Park Service.

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A strombolian eruption from Mount Etna in February.

(Salvatore Allegra/Anadolu Agency via Getty Images / Getty Images)

Fissures opened up on the 29th and let lose the stream of lava in the video. The slow moving lava traveled about half a mile a day.

Mount Etna is one of the world's longest documented erupting volcanoes, with records dating back to 1500 BCE. 

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Hawaii

Take a look at Hawaii's Halemaumau Crater, within the Kilauea Volcano caldera. This is a time-lapse, one picture taken each day for the past two months. The last photo was from May 31. The Volcano and Aviation Alert Level is currently Orange/Watch meaning an eruption is underway but posing limited hazards.

The USGS compares the rising floor to an air mattress. Lava bubbles up from within, pushing up the crater floor. It's Kilauea's most active vent. The lava lake was 732 feet deep when last measured in May 2021. The USGS expects the boiling lake of lava to overflow when it hits a depth of 876 feet.

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In 2018, after nearly a decade of pooling, lava within Halemaumau, magma began to drain away and fissures opened up in neighborhoods near Puna, Hawaii destroying over 700 homes. 

PAHOA, Hawaii - Lava erupted from a fissure behind this home in Leilani Estates. Molten rock devoured this property in just hours.

(Mario Tama/Getty Images / Getty Images)

Lava created 870 new acres for the Big Island.  The crater surface sunk by 1,600 feet stated the National Park Service.

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PAHOA, Hawaii -  Lava ran roadblocks across highways.

(Mario Tama/Getty Images / Getty Images)

Philippines

Mount Bulusan surprised villagers of Luzon, Philippines Sunday morning when the volcano sent ash over half a mile high into the air.

Magma heated groundwater and caused the phreatic eruption of steam and ash. Stunned residents huddled under overhangs to stay out of the damp ash raining down over Casiguran. This was the first time this year the volcano erupted. Scientists also recorded a series of 27 earthquakes.

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Volcanic ash rains down on the Philippines

Ash rains down on villagers in Sorsogon, Philippines after the Bulusan Volcano erupted Sunday.

A thick ash blanket covered nearby villages and prompted evacuations. The Philippine Institute fo Volcanology and Seismology elevated the Alert Level from zero to one. The alert placed a Permanent Danger Zone status, which prohibits entry around a 2.5-mile radius in case of another eruption without warning.

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The Global Vulcanism Program monitors 48 volcanoes in "continuing eruption status." Continuing eruption doesn't necessarily mean daily activity but intermittent activity with a maximum three-month break. The program states there are usually 20 volcanoes actively erupting every day.