Case studies from around the world illustrate the power of geodetic data in earthquake monitoring.

Rachel Crowell
Rachel Crowell is a freelance math and science writer based in Iowa who has written for Eos, Scientific American, the American Mathematical Society, Science News for Students, The Open Notebook, and other publications. Crowell, who is a former AAAS Mass Media Fellow, holds a bachelor’s degree in mathematics and statistics from the University of Missouri at Kansas City.
New Proof That Accretion Disks Align with Their Black Holes
In the most detailed and highest-resolution black hole simulation to date, an international team of researchers showed the Bardeen-Petterson effect for the first time.
North Carolina Bald Cypress Tree Is at Least 2,674 Years Old
Researchers say it’s the oldest-known living tree in eastern North America. If it hadn’t been protected, it could have ended up as garden mulch.
The Quaking, Shrinking Moon
New evidence suggests that the Moon may still be tectonically active.
Secrets from the New Madrid Seismic Zone’s Quaking Past
High-resolution lidar topography reveals a long history of ancient earthquakes.