image credit: USGS; image source; larger image
Earthquake Summary Poster: L'Aquila, Italy
This is portion of a poster from the US geological survey on the earthquake in Italy on April 6, 2009.
-- Click on the image for the larger version to see the boundary between the Eurasian and African plates.
-- The poster text says this earthquake occurred "primarily a response to the Tyrrhenian basin [this basin is west of Italy and east of the islands of Sardinia and Corsica] opening faster than the compression between the Eurasian and African plates."
-- For more from USGS, see Natural Hazards--Earthquakes.
What is UPSeis?
Visit What is UPSeis? to learn about earthquake science--you'll find out how earthquakes occur, how to read a seismograph, and how to locate the epicenter of an earthquake. To see how plate tectonics has shaped the Earth's surface, visit Plate Tectonics, the Cause of Earthquakes, from the University of Nevada, Reno.