History

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

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

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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

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Scientists trace source of massive Iron age volcanic eruption that triggered global cooling

Scientists have discovered that Lake Ilopango, the caldera of Ilopango volcanic complex, El Salvador was the source of the strongest volcanic eruption in the last 7 000 years that resulted in global cooling, affecting crops worldwide. According to National...

September 04, 2019

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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

solar eclipse egypt

Oldest recorded solar eclipse helps date the Egyptian pharaohs

Researchers have pinpointed the date of what could be the oldest solar eclipse yet recorded. The event, which occurred on October 30, 1207 BC could have consequences for the chronology of the ancient world. Using a combination of the biblical text and an ancient...

October 31, 2017

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White-light solar flare recorded from Spain in 1886

Satellites have detected powerful solar flares in the last two months, but this phenomenon has been recorded for over a century. On September 10, 1886, at the age of just 17, a young amateur astronomer using a modest telescope observed from Madrid one of these...

October 20, 2017

giza pyramids egypt

Volcanic eruptions linked to social unrest in Ancient Egypt

Around 245 BCE Ptolemy III, ruler of the Ptolemaic Kingdom in Egypt, made a decision that still puzzles many historians: After pursuing a successful military campaign against the kingdom's nemesis, the Seleucid Empire, centered mainly in present-day Syria and...

October 18, 2017

london fog 1952 featured

London's 1952 killer fog mystery solved

A new study finally revealed the exact cause of the 1952 killer fog which hovered over London for several days. The fog contained large amounts of pollutants which caused widespread breathing problems and killed thousands of city residents. The fog covered London...

November 17, 2016

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Extreme space weather event that could have led to a nuclear war

For the first time, retired U.S. Air Force officers involved in forecasting and analyzing the extreme space weather event of May 23, 1967, collectively and publicly describe how great solar and geomagnetic storm at the height of the Cold War almost led to a...

August 09, 2016

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The comet Venus - past and present

The planet Venus presents many unresolved mysteries to planetary scientists. However, equally mysterious is Venus' extraordinary role in the world's ancient astronomies. In this Space News episode, we explore the remarkable electrical environment of Venus...

April 14, 2016

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Strange "musical" sounds recorded during Apollo 10 mission in 1969 now public

NASA has released a recording of unusual "musical" sounds the Apollo 10 astronauts reported in 1969 while on the far side of the Moon, out of radio contact with the Earth. The Science Channel broadcasted a story behind the strange sounds on February 21,...

February 24, 2016

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The role of geomorphic and seismic processes in occurrence of massive landslides

The scientists have conducted an investigation aimed at understanding how the long-term effects of seismicity on rock slopes and their interaction with geomorphic processes induces landslides. In the case study of the massive 1959 Madison Canyon Slide in Montana,...

February 23, 2016

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Late Antique Little Ice Age (LALIA) in the context of socio-political perturbances 1 500 years ago revealed

A group of scientists, led by the Swiss Federal Research Institute WSL and the Oescheger-Zentrum of the University of Bern, have discovered a mini ice age period in Eurasia from the tree-ring measurements. The period of extreme cold is dating between 536 and around...

February 12, 2016

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The underlying cause of the deadly 1964 Alaska tsunami revealed

The USGS scientists in collaboration with their colleagues from Boise State University and the Alaska Department of Fish and Game finally managed to unravel the cause of a massive tsunami that destroyed Valdez, Seward and Whittier towns in Alaska in 1964. A series...

February 02, 2016

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Evidence of a previously unknown large volcanic eruption in the Caribbean Sea

A team of scientists from the University of Southampton discovered evidence of a previously unknown large volcanic eruption in the Caribbean Sea. The eruption was dated to 2.4 million years ago and might be the largest documented volcanic event in the region since...

January 19, 2016

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The largest earthquake recorded by instruments - M9.5, Chile (1960)

The largest earthquake ever recorded by instruments hit southern Chile at 19:11 UTC on May 22, 1960. It was a 9.5 magnitude earthquake with a focal depth of 33 km (20.5 miles), preceded by 4 aftershocks bigger than M7.0, including M7.9 on May 21 that caused severe damag

May 22, 2015