Research

surface rupture ridgecrest

Scientists find 'domino-like' sequence of ruptures in Ridgecrest Earthquake Sequence, California

A new study of the Ridgecrest Earthquake Sequence, the largest earthquake sequence in Southern California, that began on July 4, 2019, provided new evidence that massive earthquakes can happen in a more complex fashion than commonly expected. The observation by...

October 20, 2019

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

transmexican volcanic belt mexico

Ancient Aztec records uncover hidden earthquake threats

Scientific observations of Aztec historical accounts suggest that up to 40% of the population in Mexico resides along a zone that is more seismically active than expected, according to the Anales de Tlatelolco (Annals of Tlatelolco). The report was published by the...

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

anak krakatau indonesia gfz research october 2019

Early warning signals before deadly flank collapse at Anak Krakatau, Indonesia

Research has shown that the Anak Krakatau volcano in Indonesia displayed clear warning signals before it collapsed into the Sunda strait between the Sumatra and Java islands on December 22, 2018. The event triggered a tsunami which resulted in 430 fatalities. The...

October 05, 2019

researchers confirmed karla crater an impact structure sept 23 2019

Researchers confirm Karla crater in Russia an impact structure

Karla Crater, located in Tatarstan, Russia is confirmed to be an impact structure by researchers on September 23, 2019. The crater, which is 10 km (6.2 miles) in diameter, is now one of about 150 other large impact structures on the planet. It is located near the...

September 29, 2019

microplastics become benthic sept 24 2019

Microplastics in the Great Lakes become benthic, study shows

Sediment petrologist Patricia Corcoran and several of her students at the University of Western Ontario found that microplastics in the Great Lakes are becoming benthic, as presented on the Geological Study of America Annual Meeting in Phoenix, Arizona, on September...

September 29, 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

why purple sky colorado

Purple Colorado sky caused by Raikoke volcano eruption in Russia

Researchers from the University of Colorado Boulder revealed that the purple sky seen in the state was due to the eruption that occurred on Raikoke volcano in Russia, located 7 535 km (4 682 miles) away, on June 22, 2019. The team, composed of atmospheric scientists...

September 15, 2019

comet c2019q4 sept 10 2019

Comet 2019 Q4 (Borisov) likely an interstellar visitor

NASA believes that the mysterious comet named C/2019 Q4, which exited the astronomical community this week, is from outside the solar system. The object was discovered by Gennady Borisov, a Crimean astronomer at the MARGO observatory, Nauchnij, on August 30, 2019....

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