Drainage divide migration is influenced by tectonics and climate over long periods. New research in Israel shows that even shorter-term wet-dry cycles can move divides.
Caroline Hasler
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A Seychelles Shoreline Resists the Rising Seas
The geomorphology of a protected atoll likely contributed to its ability to maintain its shoreline over a turbulent half-century.
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Bacteria Battled for Iron in Earth’s Early Oceans
Billions of years ago, iron-oxidizing microbes may have competed for dissolved iron in the ocean, with some strains producing toxic gases that smothered their rivals.
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Fiber-Optic Cables Used to Measure Changing Soil Moisture
Scientists are using seismic techniques to measure soil moisture. Their results show that recent droughts in California depleted water in the shallow subsurface.
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Cosmic Rays Shed Light on Stone Age Timelines
Signatures of a long-ago solar storm, recorded in tree rings, helped researchers date a 7,400-year-old settlement in northern Greece.
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Earthquakes Can Trigger Megathrust Slip in Cascadia
A 2022 earthquake in Northern California may have triggered slow slip in the Cascadia Subduction Zone, according to a new study.
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The United States Has an Updated Map of Earthquake Hazards
The new National Seismic Hazard Model shows where damaging earthquakes are likely to occur, informing public safety and infrastructure policies.
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Climate Change Narrows the Window for Prescribed Fires
Longer, drier summers may mean fewer opportunities for firefighters to safely burn would-be wildfire fuel in the western United States.
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Revolucionando la ciencia de los terremotos en Cascadia
Un nuevo centro reunirá a científicos de sismos para estudiar la zona de subducción de Cascadia y aclarar los peligros sísmicos.
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Shaking Up Earthquake Science in Cascadia
A new center will bring together earthquake scientists to study the Cascadia Subduction Zone and clarify seismic hazards.