April 12, 2012 (07:15:48 UTC)
Magnitude 6.9 Gulf of California
A pair of strong earthquakes struck off the coast of Mexico early Thursday only minutes apart. The magnitude 6.9 and 6.2 were centered about 85 miles northeast of Guerrero Negro in the Mexican state of Baja California, 325 miles south-southwest of Phoenix in the United States.
Teachable Moment Presentation
Animations and Visualizations
- Wave Propagation and Tectonic Setting (Quicktime 6.54 MB / YouTube)
- USArray Ground Motion Visualization (mpeg-4 1.55 MB / More Info)