The Largest US Earthquake
January 21, 2014 | USGS on YouTube
USGS has released a new video that looks back at the Magnitude 9.2 event now known as "The 1964 Great Alaska Earthquake and Tsunami". This event changed scientific understanding of earthquakes because it was the first major earthquake that was studied from a plate tectonics perspective.
Highway from Hell
August 1, 2013 | Columbia University
"If some volcanoes operate on geologic timescales, Costa Rica’s Irazú had something of a short fuse. In a new study in the journal Nature, scientists suggest that the 1960s eruption of Costa Rica’s largest stratovolcano was triggered by magma rising from the mantle over a few short months, rather than thousands of years or more, as many scientists have thought." Quoted from the "Highway from Hell" press release on the Lamont-Doherty Earth Observatory website.
When Did Plate Tectonics Begin?
May 27, 2013 | Speaking of Geoscience
An interesting essay titled: "When did Plate Tectonics begin on Earth, and what came before?" by Robert J. Stern has been posted on the Speaking of Geoscience blog.