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Risk of Volcanic Eruption in Iceland Remains High

Steam rises from a fissure in a road near the town of Grindavik, Iceland Monday Nov. 13, 2023 following seismic activity. (AP)
Steam rises from a fissure in a road near the town of Grindavik, Iceland Monday Nov. 13, 2023 following seismic activity. (AP)
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Risk of Volcanic Eruption in Iceland Remains High

Steam rises from a fissure in a road near the town of Grindavik, Iceland Monday Nov. 13, 2023 following seismic activity. (AP)
Steam rises from a fissure in a road near the town of Grindavik, Iceland Monday Nov. 13, 2023 following seismic activity. (AP)

Seismic activity in southwestern Iceland decreased in size and intensity on Monday, but the risk of a volcanic eruption remained significant, authorities said, after earthquakes and evidence of magma spreading underground in recent weeks.

Almost 4,000 people were evacuated over the weekend as authorities feared that molten rock would rise to the surface of the earth and potentially hit a coastal town and a geothermal power station.

Located between the Eurasian and the North American tectonic plates, among the largest on the planet, Iceland is a seismic and volcanic hot spot as the two plates move in opposite directions.

The Icelandic Meteorological Office said on Monday there was a "significant likelihood" of an eruption in coming days on or just off the Reykjanes peninsula near the capital Reykjavik, despite the size and intensity of earthquakes decreasing.

"We believe that this intrusion is literally hovering, sitting in equilibrium now just below the earth's surface," said Matthew James Roberts, director of the service and research division at the meteorological office.

"We have this tremendous uncertainty now. Will there be an eruption and if so, what sort of damage will occur?" he said.

Thorvaldur Thordarson, professor in vulcanology at the University of Iceland, said most recent data indicated a smaller risk of an eruption in the area around the town of Grindavik.

Inhabitants of Grindavik described being whisked from their homes in the early hours of Saturday as the ground shook, roads cracked and buildings suffered structural damage.

Hans Vera, a Belgian-born 56-year-old who has lived in Iceland since 1999, said there had been a constant shaking of his family's house.

"You would never be steady, it was always shaking, so there was no way to get sleep," said Vera, who is now staying at his sister-in-law's home in a Reykjavik suburb.

"It's not only the people in Grindavik who are shocked about this situation it's the whole of Iceland."

Almost all of the town's 3,800 inhabitants had been able to find accommodation with family members or friends, and only between 50 and 70 people were staying at evacuation centers, a rescue official said.

Some evacuees were briefly allowed back into the town on Sunday to collect belongings such as documents, medicines or pets, but were not allowed to drive themselves.

"You have to park your car five kilometers from town and there's 20 cars, huge cars from the rescue team, 20 policemen, all blinking lights, it's just unreal, it's like a war zone or something, it's really strange," Vera said.

The Reykjanes peninsula is a volcanic and seismic hot spot southwest of the capital. In March 2021, lava fountains erupted spectacularly from a fissure in the ground measuring between 500-750 meters long in the region's Fagradalsfjall volcanic system.

Volcanic activity in the area continued for six months that year, prompting thousands of Icelanders and tourists to visit the scene. In August 2022, a three-week eruption happened in the same area, followed by another in July of this year.

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Cutting Off Rhinos' Horns is a Contentious Last Resort to Stop Poaching. New Study Found it Works

A de-horned rhino grazes in South Africa's Pilanesberg National Park, Feb. 25, 2025. (AP Photo/Jerome Delay)
A de-horned rhino grazes in South Africa's Pilanesberg National Park, Feb. 25, 2025. (AP Photo/Jerome Delay)
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Cutting Off Rhinos' Horns is a Contentious Last Resort to Stop Poaching. New Study Found it Works

A de-horned rhino grazes in South Africa's Pilanesberg National Park, Feb. 25, 2025. (AP Photo/Jerome Delay)
A de-horned rhino grazes in South Africa's Pilanesberg National Park, Feb. 25, 2025. (AP Photo/Jerome Delay)

Cutting off the horns of sedated rhinos with a chainsaw has been viewed by wildlife conservationists in Africa for more than 30 years as a necessary evil to save the iconic endangered species from poaching.

They hoped the drastic action was working, but evidence was scarce.

Now, a study published Thursday in the academic journal Science has found that dehorning rhinos has led to a large reduction in poaching in game reserves in and around the Kruger National Park in northern South Africa — an area that's home to 25% of the world's rhinos and is especially vulnerable to poaching.

The results of the seven-year study that ended in 2023 are seen as long-awaited evidence that removing rhinos' horns — which needs to be done every one to two years because they grow back — helps them survive, even if the animals lose part of their makeup.

Consistently reduced poaching The conclusions seem obvious. Lucrative illegal markets in parts of southeast Asia and China crave rhino horns for use in traditional medicines, and removing the rhinos' horns take away what poachers are after.

But Tim Kuiper, a biodiversity scientist at South Africa's Nelson Mandela University and the lead author of the study, said it was new to have long-term data from multiple sites on dehorning rhinos. He said the study, conducted between January 2017 and December 2023, focused on 11 reserves in the Kruger area and compared data from eight that dehorned their rhinos against the three that didn't.

It also analyzed data from the reserves before and after they dehorned their rhinos.

The study showed that dehorning consistently reduced poaching, Kuiper said. It found that the dehorning of more than 2,000 rhinos resulted in a 78% reduction in poaching in those eight reserves, providing some confirmation that such an invasive intervention was worth it.

“It is a big part of what a rhino is, having a horn,” The Associated Press quoted Kuiper as saying. “So having to remove it is kind of a necessary evil, if I can put it that way. But it’s very effective. There’s no doubt it saved hundreds of rhinos' lives.”

South Africa has the largest numbers of black and white rhinos. Namibia, Zimbabwe and Kenya also have significant populations. There are around 17,500 white rhinos and 6,500 black rhinos left in the world, with black rhino numbers reduced from 70,000 in 1970 to less than 2,500 by the time poaching reached a crisis point in the mid-1990s, according to the Save the Rhino organization.

Dehorning was not always accepted Dehorning rhinos started in southern Africa as early as 1989. It has not been accepted without question.

There has been opposition from animal rights activists but also questions from conservationists over what impact it has on a rhino's wellbeing, and what a future might look like with more hornless rhinos.

Vanessa Duthe, a rhino researcher in South Africa not involved in the study, said rhinos use their horns to defend themselves against predators, to compete for territory and, in the case of black rhinos, to look for food. There is also evidence that dehorned rhinos adjust their movements to live in smaller ranges, she said.

She said conservationists don't know the full impacts of dehorning, but research had found it had no adverse effect on rhinos' breeding rates or mortality rates.

“What we do know is that the benefits of dehorning by far outweigh any ecological cost that we’re aware of today,” Duthe said. She said dehorning a rhino now takes around 10 minutes and the process causes minimum distress.

Blindfolds and earmuffs are put on sedated rhinos during dehorning, which also provides an opportunity to microchip rhinos and collect samples that aid research.

Only one part of the battle Conservationists agree that dehorning alone will not end rhino poaching and Kuiper said he saw it as a short-to-mid-term solution.

Other efforts like more effective law enforcement and better support for game rangers on the frontline are key.

While South Africa has helped pull rhinos back from the threat of extinction, more than 400 rhinos a year are still killed by poachers in the country.

The dehorning study was a collaboration between scientists from three South African universities, Oxford University in England and game reserve managers and rangers. It also involved the South African National Parks department, the World Wildlife Fund and the Rhino Recovery Fund.