Author: contact.geology

2014 Napa earthquake continued to creep

On August 24, 2014, just south of Napa, California, a fault in the Earth suddenly slipped, violently shifting and splitting huge blocks of solid...

The world is ‘perilously close’ to irreversible climate change. 5 tipping points keep scientists up at night

Five years ago, the United Nations' panel on climate change was charged with drafting a series of reports detailing its science, the effects on...

Researchers reveal variations in Arctic amplification effect during past millennium

The recent amplified warming in the Arctic during the last decades has received much attention. But how Arctic amplification (AA) has varied on longer...

Dust storm covers Iraq for second time in a week

A dust storm blanketed Iraq again on Tuesday, sending people to hospital with breathing difficulties and leading airports to suspend flights. It follows a similar...

New study confirms potential of geoelectrical methods in search for hidden graves

Rather than digging to identify unmarked mass grave sites or evidence to locate missing persons, cutting-edge technologies are helping law enforcement agents, forensic scientists...

Understanding the Earth under Hawaii

In the 1960s, some 50 years after German researcher Alfred Wegener proposed his continental drift hypothesis, the theory of plate tectonics gave scientists a...

Scientists detect unexpected widespread structures near Earth’s core

University of Maryland geophysicists analyzed thousands of recordings of seismic waves, sound waves traveling through the Earth, to identify echoes from the boundary between...

Paleogene Period

The Paleogene is a geologic period and system that began 66 and ended 23.03 million years ago and comprises the first part of the...

Early Earth’s atmosphere was less conducive to lightning

In 1952, Stanley Miller and Harold Urey made sparks fly in a gas-filled flask meant to reflect the composition of Earth's atmosphere around 3.8...

Aftershocks of 1959 earthquake rocked Yellowstone in 2017-18

On Aug. 17, 1959, back when Dwight D. Eisenhower was president, the U.S. had yet to send a human to space and the nation’s...

Secondary cratering on Earth: The Wyoming impact crater field

Several dozen small impact craters, 10-70-m in size, have been discovered in southeastern Wyoming. A team of U.S. and German geoscientists found these ancient...

Researchers publish most thorough study yet of ‘smart,’ spitting archerfishes

Archerfishes are the anti-aircraft gunners of the aquatic world. The fishes are famed for their amazing ability to shoot down land-based insects midflight with...

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