Researchers used a dense seismometer network to monitor a combination of natural and truck-generated seismic signals and identify two regions of subsurface magma storage.
Matthew R. Francis
Posted inNews
Was the Moon-Forming Impact Squishy or Crunchy?
A new computer simulation adds a crust to the Earth-smashing planet Theia, showing how a proto-Moon could form from the leftovers.
Posted inResearch Spotlights
InSight into Seismology on the Red Planet
Viking 2 detected two possible marsquakes in 1976. New analysis links one to the same region where InSight recorded nearly 1,000 marsquakes decades later.
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White Dwarf Spotted Devouring the Planet It Birthed
Exotic chemical elements in the atmosphere of a dead star hint at the presence of a planet that formed after the star’s death—the first such second-generation planet ever seen.
Posted inResearch Spotlights
Auroral Structure Could Be Caused by Bouncing Electrons
High-resolution optical observations of aurorae show fluctuations and structuring that could be explained by interactions between electrons and a plasma phenomenon called Alfvén waves.
Posted inResearch Spotlights
Making Sense of Shallow-Water Waves with Advanced Statistics
Low-frequency infragravity waves shape shorelines, but exactly how they contribute is mysterious. A technique from Bayesian probability theory might change that.
Posted inResearch Spotlights
Of Cosmic Rains and Delayed Trains
Scientific detective work corrected the date of an early disruption in telegraph service, solidifying the links between solar weather and technological disturbances.
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Oddball Moon Might Be a Neptune Original After All
Infrared observations of Nereid hint that it might have formed in orbit around Neptune, unlike most of the planet’s other satellites.
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A Unique African Volcano Could Solve a Mystery on Mercury
New data from Ol Doinyo Lengai in Tanzania suggest that carbon-rich volcanic activity could be responsible for the mysterious “hollows” observed on the surface of Mercury.
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The Forensics of a Skyscraper-Sized Tsunami
A landslide in Tracy Arm Fjord in Alaska created the second-largest tsunami on record. A new analysis links this abrupt event to the retreat of a glacier and, ultimately, to climate change.