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Categories: Geoscience: Geology, Geoscience: Severe Weather

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Geoscience: Geology Geoscience: Volcanoes Paleontology: Climate
Published

Climate change will increase impacts of volcanic eruptions      (via sciencedaily.com)     Original source 

Volcanic disasters have been studied since Pompeii was buried in 79 A.D., leading the public to believe that scientists already know why, where, when and how long volcanoes will erupt. But a volcanologist said these fundamental questions remain a mystery.

Geoscience: Earthquakes Geoscience: Geology Paleontology: General
Published

Researchers unearth the mysteries of how Turkey's East Anatolian fault formed      (via sciencedaily.com)     Original source 

An international team has, for the first time, accurately determined the age of the East Anatolian fault, allowing geologists to learn more about its seismic history and tendency to produce earthquakes.

Geoscience: Earthquakes Geoscience: Geology
Published

What are the characteristics of foreshocks for large earthquakes?      (via sciencedaily.com)     Original source 

Seismologists agree that foreshocks are the most widely identified signal of an upcoming mainshock earthquake. But do these foreshock sequences have distinctive characteristics that separate them from aftershock sequences, and could these characteristics be used to help forecast mainshocks?

Environmental: General Geoscience: Earth Science Geoscience: Geography Geoscience: Severe Weather
Published

Freely available risk model for hurricanes, tropical cyclones      (via sciencedaily.com)     Original source 

As human-driven climate change amplifies natural disasters, hurricanes and typhoons stand to increase in intensity. Until now, there existed very few freely available computer models designed to estimate the economic costs of such events, but a team of researchers has recently announced the completion of an open-source model that stands to help countries with high tropical cyclone risks better calculate just how much those storms will impact their people and their economies.

Environmental: General Environmental: Water Geoscience: Earth Science Geoscience: Geochemistry Geoscience: Geography Geoscience: Geology Geoscience: Oceanography
Published

Research in a place where geological processes happen before your eyes      (via sciencedaily.com)     Original source 

Taiwan experiences some of the world's fastest rates of mountain building -- they are growing at a faster rate than our fingernails grow in a year. The mountains also see frequent and significant earthquakes, the region experiences about four typhoons per year on average, and in some places, it receives upwards of several meters of rain annually.

Environmental: General Environmental: Water Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geochemistry Geoscience: Geography Geoscience: Geology Geoscience: Oceanography
Published

Study of deep-sea corals reveals ocean currents have not fuelled rise in atmospheric carbon dioxide      (via sciencedaily.com)     Original source 

Pioneering analysis of deep-sea corals has overturned the idea that ocean currents contributed to increasing global levels of carbon dioxide in the air over the past 11,000 years.

Environmental: General Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Severe Weather
Published

New nationwide modeling points to widespread racial disparities in urban heat stress      (via sciencedaily.com)     Original source 

Using a combination of satellite data and modeling to study the temperatures and humidity people might feel in urban areas, researchers have pinpointed who in the U.S. is most vulnerable to heat stress.

Energy: Alternative Fuels Environmental: General Geoscience: Environmental Issues Geoscience: Severe Weather
Published

City buildings could blow air taxi future off course      (via sciencedaily.com)     Original source 

Air taxis may be coming to our cities in the near future, but a new study warns regulations will need to address dangerous wind gusts around city buildings and other urban infrastructure.

Environmental: General Environmental: Water Geoscience: Earth Science Geoscience: Earthquakes Geoscience: Geography Geoscience: Geology
Published

Sinking seamount offers clues to slow motion earthquakes      (via sciencedaily.com)     Original source 

The first ever 3D seismic imaging of a subducting seamount shows a previously unknown sediment trail in Earth's crust off the coast of New Zealand. Scientists think the sediment patches help release tectonic pressure gradually in slow slip earthquakes instead of violent tremors. The findings will help researchers search for similar patterns at other subduction zones like Cascadia in the U.S. Pacific Northwest.

Environmental: General Environmental: Water Geoscience: Geography Geoscience: Severe Weather
Published

Flooding tackled by helping citizens take action      (via sciencedaily.com)     Original source 

Scientists have developed a new method that empowers citizens to identify solutions to climate change threats.

Environmental: General Environmental: Wildfires Geoscience: Environmental Issues Geoscience: Severe Weather
Published

Wildfire smoke downwind affects health, wealth, mortality      (via sciencedaily.com)     Original source 

Smoke particulates from wildfires could cause between 4,000 and 9,000 premature deaths and cost between $36 to $82 billion per year in the United States, according to new research.

Geoscience: Earth Science Geoscience: Earthquakes Geoscience: Geography Geoscience: Geology Geoscience: Oceanography Offbeat: Earth and Climate Offbeat: General Offbeat: Paleontology and Archeology
Published

Scientists unearth 20 million years of 'hot spot' magmatism under Cocos plate      (via sciencedaily.com)     Original source 

A team of scientists has observed past episodic intraplate magmatism and corroborated the existence of a partial melt channel at the base of the Cocos Plate. Situated 60 kilometers beneath the Pacific Ocean floor, the magma channel covers more than 100,000 square kilometers, and originated from the Galápagos Plume more than 20 million years ago, supplying melt for multiple magmatic events -- and persisting today.

Environmental: General Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geography Geoscience: Geology Geoscience: Severe Weather Geoscience: Volcanoes
Published

A Tongan volcano plume produced the most intense lightning rates ever detected      (via sciencedaily.com)     Original source 

New research showed that the plume emitted by the Hunga Volcano eruption in 2022 created the highest lightning flash rates ever recorded on Earth, more than any storm ever documented.

Environmental: General Environmental: Water Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geology Offbeat: Earth and Climate Offbeat: General
Published

We've pumped so much groundwater that we've nudged Earth's spin      (via sciencedaily.com)     Original source 

By pumping water out of the ground and moving it elsewhere, humans have shifted such a large mass of water that the Earth tilted nearly 80 centimeters (31.5 inches) east between 1993 and 2010 alone, according to a new study.

Geoscience: Earth Science Geoscience: Geochemistry Geoscience: Geography Geoscience: Geology Geoscience: Oceanography Paleontology: Climate
Published

Massive underwater plateau near Solomon Islands is younger and its eruption was more protracted than previously thought      (via sciencedaily.com)     Original source 

The Ontong Java Plateau, a volcanically-formed underwater plateau located in the Pacific Ocean north of the Solomon Islands, is younger and its eruption was more protracted than previously thought, new research suggests.

Environmental: General Environmental: Water Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geology Offbeat: Earth and Climate Offbeat: General Offbeat: Paleontology and Archeology Offbeat: Space Space: Astronomy Space: General Space: Structures and Features Space: The Solar System
Published

Earth was created much faster than we thought: This makes the chance of finding other habitable planets in the Universe more likely      (via sciencedaily.com)     Original source 

Over the past decades, researchers thought Earth was created over a period of more than 100 million years. However, a new study from suggests that the creation of Earth was much more rapid, and that water and other essential ingredients for life were delivered to Earth very early on.

Geoscience: Earth Science Geoscience: Earthquakes Geoscience: Geology Offbeat: Earth and Climate Offbeat: General Offbeat: Space Space: General Space: The Solar System
Published

Plate tectonics not required for the emergence of life      (via sciencedaily.com)     Original source 

New finding contradicts previous assumptions about the role of mobile plate tectonics in the development of life on Earth. Moreover, the data suggests that 'when we're looking for exoplanets that harbor life, the planets do not necessarily need to have plate tectonics,' says the lead author of a new paper.