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NSF NGF data archives help researchers reconstruct one of the largest earthquakes ever recorded.
Seismic data show how Alaska’s Columbia Glacier launches icebergs into the sea.
Quick construction of GPS stations by PBO engineers around Mount St. Helens helped scientists observe the 2004 eruption.
Seismic imaging below the San Francisco Volcanic Field in Northern Arizona provides clues about the history of eruptions there.
Knowing how much the ground will shake requires a good model of seismic velocity.
Comparing seismic data and drone imagery near a churning lava lake shows the signal of bursting bubbles.
Model catalogs quarry blasts, heavy machinery noise, and other anthropogenic signals that can muddy seismic data.
No single map of sediment thickness across the conterminous U.S. existed that used a consistent method — until this new one based on Transportable Array seismic data.
Between 2004 and 2021, seismometers were deployed in more than 2,000 locations as part of the USArray.