Articles tagged "research"

stormquakes

Stormquakes - scientists discover new geophysical phenomenon

A study published on October 14, 2019, shows a new geophysical phenomenon where a heavy storm can trigger seismic events in the nearby ocean as powerful as a 3.5 magnitude earthquake. Lead author Wenyuan Fan, an assistant professor of Earth, Ocean and Atmospheric...

October 17, 2019

antarctica f

Antarctica ice still releasing radioactive chlorine from 1950 nuclear bomb tests, research finds

A recently published study found that Antartica's ice sheets are still emitting radioactive chlorine from marine nuclear weapon tests in the 1950s. This suggests that Antartica regions contain and release the radioactive element differently than what was...

October 16, 2019

fermi bubbles

Researchers find evidence of cataclysmic flare from the center of the Milky Way galaxy

A gigantic energy blast called Seyfert flare punched out from the center of the Milky Way around 3.5 million years ago. According to astronomers' report on October 6, 2019, more evidence has been revealed relating the Fermi bubbles - apparent remnants of a...

October 13, 2019

asteroid

New evidence supports giant asteroid impact 12 800 years ago

A research team from South Africa has discovered new evidence that suggests Earth was struck by an asteroid or meteorite 12 800 years ago. The event resulted in global consequences and the extinction of many species at the period of an episode called Younger Dryas....

October 13, 2019

north america lost 3 billion birds since 1970

North America has lost around 3 billion birds since 1970, study finds

A new study found that North America has approximately 3 billion fewer birds that there were in 1970. The loss represents a 29% population decline, making it an "overlooked biodiversity crisis" according to the authors. "I couldn't believe that...

September 23, 2019

sandymount ir f

Old World megadroughts and pluvials

Researchers have developed the "Old World Drought Atlas" (OWDA), an atlas that used tree rings to map the climate history of Europe during the Common Era. The OWDA matches historical accounts of severe drought and wetness with a spatial completeness not...

September 20, 2019

sabancaya volcano peru f

Researchers test new method in volcanic eruption forecasting

A research team has tested a new technique that could possibly forecast how a volcanic eruption will happen accurately. The method combined physics and statistics to capture the probability of past eruption patterns. The risk of volcanic eruptions is unpredictable...

September 20, 2019

galaxy gsn069 esa sept 11 2019

First detection of strong, rapid and regular X-ray bursts from a supermassive black hole

Astronomers found a supermassive black hole in an active galactic nucleus producing rapid and periodic eruptions of X-rays every nine hours. The nucleus contains about 400 000 times the mass of the Sun and is about 250 million light-years from Earth. According to a...

September 15, 2019

fire

Researchers create model that can predict how wildfires will burn in next 20 minutes

Researchers from Brigham Young University, Utah, studied the chemistry of burning shrubs and made a model that can predict how forest fires will burn in the next 20 minutes instead of the next weeks. The university posted a snippet of the study on their YouTube...

September 14, 2019

raikoke eruption 2019 f

Avoidable deaths - volcanoes kill more people long after first eruption

The drawn-out nature of volcanic eruptions can cause more fatalities than the seemingly brief explosion itself, according to a study by researchers from the United Kingdom and Trinidad and Tobago published on August 14, 2019. Residents who live within the vicinity...

September 14, 2019

csm_LMU_Geophysics_28dd7446da

New research shows the role of earthquake motions in causing devastating 2018 tsunami in Palu, Sulawesi, Indonesia

An international team of geologists, geophysicists, and mathematicians presented in a newly published study how coupled computer models can exactly display the conditions that resulted in the 2018 Palu earthquake and tsunami - one of the deadliest natural disasters...

September 12, 2019

lake rotoroa new zealand f

Pesticides banned in Europe found in New Zealand streams, study shows

Banned pesticides in several European countries were found in New Zealand waterways and agricultural streams, according to a study by a team from the University of Otago. The study was led by Associate Professor Christoph Matthaei from the University of Otago's...

September 08, 2019

the church of st john at kaneo ohrid

Oldest lake in Europe unravels 1.3 million years of climate history

Scientists found out what the climate was like over 1.3 million years ago in the mid and north Mediterranean after studying Lake Ohrid, Europe's oldest lake. The results of their research are published in the scientific journal Nature. "We discovered a...

September 04, 2019

6 newly discovered underwater volcanoes sicily

Six underwater volcanoes discovered near Sicily, Mediterranean Sea

Scientists have discovered a series of previously unknown volcanoes just off the coast of SW Sicily, Italy. The three northern volcanoes show a tuff cone-like morphology while the three most southern edifices have a truncated-conical shape. Ages of all newly...

August 06, 2019

ciomadul volcano by istván fodor

Proof of magma reservoir beneath seemingly inactive Ciomadul volcano, Romania

The rocks in the upper crust of seemingly extinct Ciomadul volcano in Romania are 15% molten and in some regions up to 45%, a new study finds. That a seemingly dead volcano like Ciomadul is actually capable of erupting in the future calls for renewed attention to...

August 01, 2019

etna eruption on july 30 2011 f

'Crystal clocks' help with volcanic hazard management and better forecasting volcanic eruptions

Researchers from Cambridge University have devised a way to calculate the duration of the magma which can be stored in the deepest portion of the volcanic systems. They have accomplished this by making use of volcanic minerals known as 'crystal clocks'. This...

July 21, 2019

universal_memory

Scientists invent new computer memory, expect it to solve the digital technology energy crisis

A new type of computer memory, dubbed as universal computer memory, which could solve the digital technology energy crisis has been invented and patented by scientists from Lancaster University in the UK. The electronic memory device is said to transform daily life...

June 23, 2019

ox_uni_meteorite

Scientists find largest meteorite impact crater in the British Isles

Researchers have located the epicenter of an ancient meteorite impact along the Scottish coast, the largest impact in the British Isles. In a paper published in Journal of the Geological Society, a team led by Dr. Ken Amor from the Department of Earth Sciences at...

June 11, 2019

cerro blanco

Cerro Blanco eruption among the largest in last 11 700 years, comparable to massive Santorini eruption

Cerro Blanco Volcanic Complex, located in the south of the Altiplano-Puna plateau, erupted around 4 200 years ago in one of the largest eruptions of the last 5 000 years in the Central Volcanic Zone of the Andes. In addition, the estimated volume of ejected ash...

May 21, 2019

ilopango

Detailed stratigraphy of massive Tierra Blanca Joven eruption, one the worst volcanic catastrophes in Central America

The Ilopango caldera is the source of the large volcanic eruption known as 'Tierra Blanca Joven' (TBJ) that occurred between ca. AD270 and AD535. According to new research published recently in Journal of Volcanology and Geothermal Research, this event...

May 09, 2019

jakobshavn glacier greenland

Greenland's fastest-flowing and fastest-thinning glacier is growing again

A new NASA research shows that Jakobshavn Glacier, which has been Greenland's fastest-flowing and fastest-thinning glacier for the last 20 years is now flowing more slowly, thickening, and advancing toward the ocean instead of retreating farther inland. The...

March 26, 2019

solar flare sdo earth

Evidence for an extreme solar proton event around 660 BC

An increasing amount of research indicates that solar storms can be even more powerful than measurements have shown so far via direct observations. Researchers believe that society is not sufficiently prepared if a similar event were to happen now. The researchers...

March 12, 2019

driftwood bay umnak island=alaska

Study: Aleutian tsunamis occur more frequently than previously thought

A new study published recently in Geological Society of America Bulletin suggests Aleutian tsunamis occur more frequently than previously thought. The new findings indicate that the recurrence interval for large tsunamis generated in the eastern Aleutians ranges...

March 07, 2019

sarychev peak eruption 2009

Extratropical volcanoes more efficient than tropical in terms of hemispheric cooling

An international study published this week in Nature Geoscience argues that explosive extratropical volcanic eruptions, those taking place in mid and high latitudes, have a much stronger influence on climate than was previously assumed. In recent decades,...

January 31, 2019

istanbul turkey

Study: Ultra-slow earthquake indicates deep crustal movement near Istanbul, Turkey

GFZ Potsdam scientists analyzed a large transient strainmeter signal recorded along the southern shore of the eastern Sea of Marmara region in northwestern Turkey after M4.4 earthquake. The strain signal lasted about 50 days, indicating deep crustal movement near...

January 31, 2019

0comprehensive simulation of a solar flare ncar uncar

Comprehensive simulation of a solar flare

A team of scientists has, for the first time, used a single, cohesive computer model to simulate the entire life cycle of a solar flare: from the buildup of energy thousands of kilometers below the solar surface, to the emergence of tangled magnetic field lines, to...

January 21, 2019

tornadoes shifting east f

Tornado Alley shifting east

Meteorologist Dr. Harold Brooks appeared on AMHQ recently, speaking about Tornado Alley and his recent study about spatial trends in United States tornado frequency. While it's evident that tornadoes are shifting east, the reasons why this is happening are still...

December 02, 2018

tsunami by diego marcondes

'True polar wander' and Earth's ice ages

Rice University geophysicists have determined Earth shifted relative to its spin axis within the past 12 million years, which caused Greenland to move far enough toward the north pole to kick off the ice age that began about 3.2 million years ago. The study is based...

December 02, 2018

hiawatha crater impact diameter image

Large asteroid impact crater found under Hiawatha Glacier, Greenland

An international team of scientists announced a remarkable discovery of one of the youngest large asteroid impact craters on Earth. The crater is buried under 1 km (0.62 miles) of ice in a remote area of northwest Greenland. The finding was published in the November...

November 16, 2018

lightning solar activity

Study: How Sun influences lightning and thunder activity on Earth

Japanese researchers have taken the first steps to understand how the Sun's rotational cycle influences lightning activity on Earth. The answers were found in diaries dating back to the 1700s. "It is well known that long-term - centennial to...

July 18, 2018

kirishima sakurajima japan

Deep subterranean connection found between Kirishima and Sakurajima volcanoes, Japan

A study published recently in Scientific Reports presets geodetic evidence for interconnectivity between Aira and Kirishima magmatic systems in Japan. This is the first study to confirm that radical changes of one volcano in southern Japan were the direct result of...

July 16, 2018

northern hemisphere polar jet stream

Study helps explain why jet stream stalls out over regions, causing extreme weather events

A new study published recently in Science offers an explanation for a mysterious and sometimes deadly weather pattern in which the jet stream stalls out over a region. The discovery is expected to help predict long-term patterns, including which areas may see more...

June 24, 2018

petroglyph

Study of Earth's magnetic field reversals reveals 405 000-year climate cycle

Gravitational tugs from Jupiter and Venus slightly elongate Earth's orbit every 405 000 years, an amazingly consistent pattern that has influenced our planet's climate for at least 215 million years. This pattern allows scientists to more precisely date...

May 08, 2018

rosby waves sun

Rossby waves discovered on and inside the Sun

Scientists have discovered planetary waves of vorticity on and inside the Sun similar to those that significantly influence weather on Earth. Rossby waves are a natural phenomenon in the atmospheres and oceans of planets that form in response to the rotation of the...

May 08, 2018

natural cycles formation of supercontinents

Natural cycles: A link between formation of supercontinents and strength of ocean tides

A new study suggests there is a likely link between the cyclic strengthening and weakening of ocean tides over tens of millions of years and another, longer cycle - the formation of Earth's supercontinents every 400 to 600 million years. The new research...

April 12, 2018

calbuco eruption 2015

Volcanic eruptions during Roman times plunged Eurasia into hunger and disease

A joint research project of the Chronology Laboratory of the Finnish Museum of Natural History and Natural Resources Institute Finland (Luke) suggests that large volcanic eruptions in the years 536 and 541–544 CE resulted in unusually gloomy and cold period...

April 11, 2018

featured magnetic field oceans esa

Swarm tracking changes in oceans' magnetic field in more detail that ever before

ESA’s Swarm mission is continually yielding more insight into how our protective shield is generated, how it behaves and how it is changing. Adding yet another string to its bow, Swarm is now tracking changes in the magnetic field produced in the oceans in...

April 11, 2018

28 4 2014 at 4 58 z

Solar tornadoes not rotating after all, study shows

According to a team of European scientists, solar tornadoes are not rotating after all. Their new analysis of these gigantic structures, each one several times the size of the Earth, indicates that they may have been misnamed because scientists have so far only been...

April 06, 2018

investigating rariphotic

Researchers define a new ocean-life zone, name it the Rariphotic

Smithsonian scientists have recently defined a new ocean-life zone, comprising of reef fishes, including numerous new species, that live well below shallow coral reefs. The new zone was named Rariphotic. The new zone was defined based on the unique fish fauna...

April 04, 2018

reef study f

REEF - A new measure of earthquake ruptures

A team of seismologists has developed a new measurement of seismic energy release that can be applied to large earthquakes. Called the Radiated Energy Enhancement Factor (REEF), it provides a measure of earthquake rupture complexity that better captures variations...

April 04, 2018