Earth science

earthquake warning system

Earthquake early warning system moves closer to reality

U.S. Geological Survey awards $4 million grant to UC Berkeley and its research partners to ramp up ShakeAlert prototype.

A cataclysmic event of a certain age

UC Santa Barbara geologist James Kennett part of team that narrows date of cooling event most likely triggered by a cosmic impact.
San Andreas Fault sign

Scientists begin monitoring tremors on San Andreas Fault

Borehole seismometers will monitor faint tremors beneath the San Andreas Fault — part of UC Berkeley’s TremorScope project to determine the link between tremors and earthquakes.
Bay Area fault map

Calaveras-Hayward fault link means potentially larger quakes

Seismologists have proven that the Hayward and Calaveras faults are essentially the same system, meaning that a rupture on one could trigger a rupture on the other, producing considerably larger quakes than once thought.
Tracy Thomson and fossil rock

How were fossil tracks so well preserved?

Tracks by swimming reptiles benefited from delayed ecologic recovery during the Early Triassic.
geyser field

Why do geysers erupt? Loops in their plumbing

Studies of geysers in Chile and Yellowstone National Park reveal why geysers erupt periodically: the loops and bends in their plumbing.
Tavurvur volcano

Small volcanic eruptions explain warming hiatus

How? Volcanoes cool the atmosphere because of the sulfur dioxide that is expelled during eruptions.
soda GIF

Research you've got to talk about

Academic studies from the University of California were among the most talked about research in online and popular media.
amphibious ichthyosaur fossil

Newly found fossil fills evolutionary gap

A fossilized amphibious ichthyosaur — bearing both flippers and flexible wrists, descended from terrestrial creatures — has been discovered in China.

Earth’s magnetic field could flip within a human lifetime

Earth's last magnetic reversal took place 786,000 years ago and happened very quickly, in less than 100 years.