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Why a big volcanic blow-up at the popular travel destimation Santorini 3200 years ago, but just a few hundred kilometers away, no drama at the volcanoes on Aegina , Methana and Poros islands? Thin sections of the lavas from these four volcanoes yield some of the reasons why. Some minerals only form at greater depths - and the hornblende in the lava from Aegina island indicates that the magma chambers there are deeper than the those underneath the Santorini caldera. But plate tectonics add another, hidden reason also, found research from the University of Johannesburg. Credit: Prof Marlina A. Elburg, University of Johannesburg

A tale of two kinds of volcanoes

Applied Geochemistry (2020). DOI: 10.1016/j.apgeochem.2020.104572

Scientists reveal mineralogical and geochemical characteristics of hydrocarbon-bleached rocks in mud...

Photomicrograph in crossed polars of precious-metal bearing peridotite. Note the optical zoning (light/dark bands) in the plagioclase (grey coloured mineral) in the central part of the image. The occurrence of this zoning was the focus of the study in question. The width of the image frame is 4 mm. Credit: Nat. Geosci. (2020).

Scientists find evidence of how platinum metals form under 60 million-year-old...

Lava streaming from an active vent during the 2018 eruption of Kīlauea Volcano

Excessive rain triggered 2018 Kīlauea volcano eruption, study finds

This model shows how iron- and magnesium-rich magma (green) is formed at great depth and can move along the outer edges of the large Altiplano-Puna magma body (APMB)(red) to gradually force its way up to the surface during a volcanic eruption. Eruptions with such lava are uncommon and provide a unique insight into the processes that take place deep inside the Earth under the Andes. Credit: Osvaldo Gonzalez Maurel

New study takes the pulse of a sleeping supervolcano

Geysers in Yellowstone National Park attest to the presence of a supervolcano, which is currently dormant. An eruption of this explosive volcano would impact the entire planet. Credit: © P.H. Barry

A new tool to predict volcanic eruptions

Volcanic gas emissions in Northern Iceland

New geochemical tool reveals origin of Earth’s nitrogen

Volcanic eruption

Volcanic carbon dioxide emissions helped trigger Triassic climate change

The ash plume from the Kilauea volcano on the big island of Hawaii was pictured May 12, 2018, from the International Space Station. Credit: NASA

New NASA radar looks to monitor volcanoes and earthquakes from space

Minoan eruption of Thera. Satellite image of Thera, November 21, 2000. Credit: NASA, public domain

Tree rings could pin down Thera volcano eruption date

volcanic eruption in australia

South American volcano showing early warning signs of ‘potential collapse’

The Siberian Traps, the scene of ancient volcanic eruptions 252 million years ago that led to a massive extinction of life on Earth. CCNY researchers Ellen Gales and Benjamin Black obtained samples for their study there.

A twist in the story of volcanic eruptions and mass extinctions

For nearly a week, a series of earthquakes have been shaking the area around Grindavik, not far from the steaming waters of the "Blue Lagoon," a popular geothermal spa in southwestern Iceland on the Reykjanes Peninsula

Icelandic volcano swell signals potential eruption

Whakaari/White Island, New Zealand. On December 9, 2019, several Australians were among the dozens of tourists who were killed, injured, or went missing when the volcano erupted. Credit: Rfleming/public domain.

Survey reveals low awareness of volcanic hazards in Australia

Volcano F. Credit: GEOMAR

Volcano F is the Origin of the Floating Stones

A new petit-spot volcano at the oldest section of the Pacific Plate Credit: Tohoku University

Researchers discover a new, young volcano in the Pacific

Kilauea

California is famous for earthquakes, wildfires and Volcanoes

volcanic eruptions

Scientists unravel the mystery of volcanic eruptions

Oblique view of the risk map for lava flow inundation on the flanks of Mt. Etna for the next 50 years.

Living at the edge of an active volcano: Risk from lava...

Anak Krakatoa eruption

Tsunami unleashed by Anak Krakatoa eruption was at least 100m high

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