Tag: volcanic

Stromboli’s ‘rejuvenation’ heralds era of more variable volcanic eruptions

VOLCANOES
An unexpected series of eruptions at Stromboli may be due to changes in the volcano's internal "plumbing." Changes to the layer separating the volcano's reservoirs...

Death Valley’s Ubehebe Crater reveals volcanic hazard areas are underestimated

VOLCANOES
When magma bubbles up toward Earth's surface and meets groundwater, steam pressure builds, sometimes bursting into eruptions that spew currents of hot ash, potentially...

Tonga is home to 170 islands. A new one just formed from an underwater volcanic eruption

VOLCANOES
The Pacific nation of Tonga is made up of 170 islands, but it just welcomed its newest addition—thanks to an underwater volcano. Near the center...

Global tsunamis driven by underwater volcanic eruptions

TSUNAMIS
In 1883, there was a volcanic eruption so large it killed tens of thousands of people. It expelled so much ash that, for a...

Volcanic super eruptions are millions of years in the making — followed by swift surge

VOLCANOES
Researchers at the University of Bristol and Scottish Universities Environmental Research Centre have discovered that super-eruptions occur when huge accumulations of magma deep in...

Slowing of continental plate movement controlled the timing of Earth’s largest volcanic events

VOLCANOES
Scientists have shed new light on the timing and likely cause of major volcanic events that occurred millions of years ago and caused such...

Volcanic super eruptions are millions of years in the making—followed by swift surge, scientists find

VOLCANOES
Researchers at the University of Bristol and Scottish Universities Environmental Research Centre have discovered that super-eruptions occur when huge accumulations of magma deep in...

Reconstructing volcanic eruptions to help scientists predict climate risks

CLIMATE
University of Saskatchewan (USask) researcher Dr. Matthew Toohey (Ph.D.) and University of Bern researcher Dr. Michael Sigl (Ph.D.) were part of the research team...

Great timing and supercomputer upgrade lead to successful forecast of volcanic eruption

VOLCANOES
In the fall of 2017, geology professor Patricia Gregg and her team had just set up a new volcanic forecasting modeling program on the...

Volcanic cones near peak sacred to tribes gain protection

VOLCANOES
A years-long effort to protect land around a New Mexico mountain peak held sacred by many Native American tribes got a major boost Thursday...

Satellite mission finds that Tonga volcanic eruption effects reached space

ASTRONOMY
When the Hunga Tonga-Hunga Ha'apai volcano erupted on Jan. 15, 2022, it sent atmospheric shock waves, sonic booms, and tsunami waves around the world....

Volcanic rock probe helps unlock mysteries of how Earth formed

VOLCANOES
New insights gleaned from volcanic rock are helping scientists better understand how our planet evolved billions of years ago. Studies of basalt, the material that...
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