Volcanic craters act as giant horns that emit intense low-frequency sounds. Changes in this infrasound may be used to track rising lava lakes and identify signals of future eruptions.Read More »History of Geophysics
Nonlinear concepts have evolved and become increasingly applicable to a wide range of geoscience inquiries, thus setting the stage for exciting new advances during AGU’s next 100 years.Read More »Hydrology, Cryosphere & Earth Surface
One hundred fifty years ago, the explorer and scientist argued that the West needed smart development. Now the fast-growing region is playing catch-up.Read More »
Scientists were studying ecohydrology for decades before it became an official ‘ology’. Find out how this field has evolved over the past century.Read More »Mathematical Geophysics
Large stones in streams provide crucial habitat for fish. Modeling the boulders and streamflow offers fresh insights into how water engineering projects alter aquatic habitats.Read More »Geology & Geophysics
An Indian scientific team set out to sea last year to find clues to the source of an unusually weak gravitational potential in the middle of the Indian Ocean.Read More »Geology & Geophysics
A 2017 executive order mandated a plan to evaluate U.S. access to critical mineral resources, but the airborne magnetic survey maps that support this effort are sadly out of date.Read More »Geology & Geophysics
Have you ever noticed that the Earth is humming? Seismologists have! Discover how individual storms in the northern Pacific Ocean generate a long-period seismic signal.Read More »Hydrology, Cryosphere & Earth Surface
A new critical zone observatory in India's Ganga Basin helps researchers and farmers understand and improve the ways that human activities shape environmental processes.Read More »
