Hugo Benioff
Videos
Victor Hugo Benioff was an American seismologist and a professor at the California Institute of Technology. He is best remembered for his work in charting the location of deep earthquakes in the Pacif
The short-period seismograph Benioff contrived.
The short-period seismograph Benioff contrived.
Plate tectonics
Videos
Plate tectonics is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago. The model builds on the concep
Plate motion based on Global Positioning System (GPS) satellite data from NASA JPL Archived 2011-07-21 at the Wayback Machine. Each red dot is a measuring point and vectors show direction and magnitude of motion.
Alfred Wegener in Greenland in the winter of 1912–13