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Articles sur Volcanoes

Affichage de 81 à 100 de 217 articles

The town of Schalkenmehren and its adjoining maar lake, Germany. Wikimedia Commons

Firepits of the Gods: ancient memories of maar volcanoes

A maar is a volcanic crater, often filled with water. New research highlights the similarities between oral stories around the world that shed light on the formation of these craters.
Scientists conduct research in Hawai'i Volcanoes National Park to practice for Mars landings. Shutterstock

Rehearsing for the Mars landings in Hawaii and Idaho

To prepare for future Mars missions, scientists collect samples and simulate communications conditions from volcano parks on Earth.
Lake Taupo, in the North Island of New Zealand, is a globally significant caldera of a supervolcano that formed following a massive eruption more than 20,000 years ago. from www.shutterstock.com

Explosive lies: how volcanoes can lie about their age, and what it means for us

New research shows that carbon dioxide in groundwater can affect the aging of volcanic eruptions. The findings could help predict future eruptions.
Luckily, monitoring systems at Hawaii’s Kilauea volcano allowed some warning before fissures opened up in 2018. United States Geological Survey/AAP

Would an eruption in Melbourne really match Hawaii’s volcanoes? Here’s the evidence

Melbourne lies at the eastern end of a volcanic province, but when’s it going to blow? Understanding the geology of Melbourne and comparing it to Hawaii is really helpful in calculating risk.
Some explosive volcanoes can send ash high up into the sky and it can travel around the world over different countries. Shutterstock

Curious Kids: Why do volcanoes erupt?

When magma rises towards the surface gas bubbles start to form. Whether or not they can escape as the magma is rising affects how explosive the eruption will be.
Ivan Rodriguez and Juan Ortiz are still searching for relatives who disappeared in San Miguel Los Lotes during Guatemala’s June 3 Fuego volcano eruption. The government’s rescue mission has now ended. AP Photo/Rodrigo Abd

After volcano eruption, Guatemalans lead their own disaster recovery

Guatemala has ended its Fuego volcano rescue mission and declared 110 dead. But people in the hot, ash-covered eruption zone say that the real death tally is much higher and that they’ll keep digging.

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