Research

seismic activity

Study shows seasonal factors can affect earthquake impact

A new study concludes that the season in which earthquake happens can affect the impact of ground failure and potential destruction. The paper, published in Seismological Research Letters journal, said the 1887 Magnitude 7.3 Verny earthquake and the nearby 1911...

November 11, 2019

caldera discovery 2019 f

Researchers discovered what could be the largest caldera on Earth

A team of researchers including members from GNS Science, led by marine geophysicist Jenny Anne Barretto, have identified an ancient mega-volcano with what could be the largest known caldera on Earth. The feature is on the crest of Benham Rise, an oceanic plateau...

November 10, 2019

cascadia earthquake model

3D models of Cascadia megathrust events match coastal changes from 1700 earthquake

Researchers were able to get a better idea of what kind of megathrust seismic activity was behind the 1700 Cascadia earthquake by combining models of Magnitude 9 to 9.2 earthquakes on the Cascadia Subduction Zone with geological evidence of past coastal changes....

November 05, 2019

saturn

New type of storm discovered on Saturn's surface

A new type of storm was discovered on Saturn's surface. The researchers analyzed hundreds of snapshots taken by amateur astronomers and developed simulations to understand the strange weather events. Telescope imagery revealed long patches of bright clouds near...

November 04, 2019

hygiea oct 28 2019

Asteroid Hygiea the smallest dwarf planet in the solar system

Hygiea, previously classified as an asteroid, may actually be the smallest dwarf planet in the solar system, according to a study published on October 28, 2019. New images by the ESO's SPHERE instrument at the Very Large Telescope (VLT) revealed that the space...

November 04, 2019

akkadian empire

Powerful winter dust storms may have triggered Akkadian empire downfall

A recently published study suggests that strong winter dust storms may have caused the Akkadian empire to collapse. The research said fossil coral records from Oman provided new evidence that frequent dust storms and prolonged winter season contributed to the...

October 27, 2019

sichuan earthquake damage

Forecasting earthquakes 5 days ahead, research

An international team of scientists reporting in Doklady Earth Sciences discovered that with an impending earthquake, the parameters of internal gravity waves (IGWs) can change several days before the seismic event. IGW is the fluctuation of air masses, which, in...

October 23, 2019

new landslide risk factor

Study reveals new landslide risk factor

New research by NASA scientists revealed that flooding rice fields - a previously unknown risk factor - triggered a disastrous effect following the fatal 2018 Palu earthquake in Indonesia. Shortly after the extreme shaking, the solid ground turned into a landslide...

October 22, 2019

solar storms found recorded in cuneiform tablets

Massive solar storms 2 700 years ago recorded in ancient Assyrian cuneiform tablets

Rare solar events, including at least three massive solar storms, have been found in ancient Assyrian cuneiform tablets. The storms correspond to tree ring information, showing that the events occurred around 660 BC. The research was published on October 7, 2019....

October 21, 2019

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