Volcano Report for Peru and Chile
April 6, 2014 | Eruptions Blog
Erik Klemetti posts an update on recent activity at Ubinas Volcano in Peru. In addition, some people have expressed concern about the recent magnitude 8.2 earthquake triggering an eruption at one of several nearby volcanos, Erik comments on these concerns plus, in another post, on the recent earthquake at Yellowstone.
|M8.2 Earthquake Off the Coast of Chile
April 1, 2014 | Los Angeles Times
A magnitude 8.2 earthquake struck off the Pacific coast of Chile at about 6:46 PM local time. An early report in the Los Angeles Times indicates building and highway damage. A tsunami warning was issued but waves observed were small. View USGS Data.
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.
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.