Scientists: Spanish volcano has entered 'low activity' phase

A Spanish island volcano that has buried more than 500 buildings and displaced over 6,000 people since last week lessened its activity on Monday, although scientists warned that it was too early to declare the eruption phase finished

LOS LLANOS DE ARIDANE, Canary Islands -- A Spanish island volcano that has buried more than 500 buildings and displaced over 6,000 people since last week lessened its activity on Monday, although scientists warned that it was too early to declare the eruption phase finished and authorities ordered residents to stay indoors to avoid the unhealthy fumes from lava meeting sea waters.

The plume of ash emerging from the main vent that opened on Sept. 19. stopped in the early hours of Monday, live footage of the Cumbre Vieja range in the La Palma island broadcasted by the public Canary Islands Television showed. But the column of ash and volcanic material returned after a two-hour hiatus.

“The volcano of La Palma has entered in a phase of lower activity,” the Madrid-based Institute of Geosciences, IGEO, said in a tweet. “Let's see how it evolves in the coming hours.”

Experts were also on alert as the swarm of quakes that preceded and accompanied Spain's first volcanic eruption on land in half a century moved south, with more activity detected in the island's Fuencaliente area, Spain's National Geographic Institute said.

“That the volcano is now less active doesn't mean that it cannot change,” the institute's top investigator, Stavros Meletlidis, told Antena 3, a private Spanish broadcaster.

Meanwhile, the island's authorities advised residents in four neighborhoods to remain indoors to avoid toxic gases that could be released as a result of lava at more than 1,000 degrees Celsius (1,830 Fahrenheit) meeting Atlantic Ocean water at a temperature of around 20 degrees Celsius.

Scientists say that the thermal shock results in the release of water vapor plumes loaded with hydrochloric acid and tiny particles of volcanic glass that can cause skin, eye and respiratory tract irritation.

Shopkeepers and residents were also sweeping the layer of ash that had fallen over the island's capital, Santa Cruz de Las Palmas, after winds dispersed the volcano's cloud the day before.

The speed of the flow had increased since Sunday as a result of more fluid lava descending down a sharp slope toward cliffs onto the sea. The flow was some 800 meters from reaching the water early on Monday, authorities said.

No fatalities or serious injuries have been reported since the volcano’s eruption.

La Palma, home to about 85,000, is part of the volcanic Canary Islands, an archipelago off northwest Africa. The island is roughly 35 kilometers (22 miles) long and 20 kilometers (12 miles) wide at its broadest point.

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Parra reported from Madrid.

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