New analysis of the Cascadia subduction zone reveals that one of the tectonic plates is tearing itself apart, indicating a gradual end to this subduction process, which is part of Earth's natural geological cycle. Using seismic imaging, scientists observed faults and fractures suggesting the plate is slowly breaking into smaller microplates, akin to a train derailing gradually, rather than a sudden catastrophe.
Researchers analyzing data from the GRACE satellites discovered a mysterious gravity signal off the coast of Africa that lasted for about two years, likely caused by a previously unknown geological process involving a phase transformation in Earth's lower mantle, revealing the planet's complex internal dynamics.
New York City is sinking at a rate of 1.6 millimeters per year, according to a study by NASA's Jet Propulsion Laboratory and Rutgers' University. The neighborhoods experiencing the fastest sinking include LaGuardia Airport and Arthur Ashe Stadium in Queens. The sinking is attributed to a geological process called glacial isostatic adjustment, as well as the removal of water from underground aquifers. While not directly caused by climate change, these sinking areas will be more vulnerable to future sea level rise and flooding. The research can assist city planners in making informed decisions regarding coastal defenses and infrastructure investments.
