Earthquake Information

April 1, 2014 (23:46:46 UTC)

Quake Location

Magnitude 8.2 Northwest of Iquique, Chile

An 8.2-magnitude earthquake struck off the coast of northern Chile, generating a local tsunami.  The USGS reported the earthquake was centered 95 km (59 miles) northwest of Iquique at a depth of 20.1km (12.5 miles).

Teachable Moment

Teachable Moment Presentation

14 slide Powerpoint presentation (zipped ppt/animations 35.4 MB / pdf 1.26 MB)

Animations and Visualizations

MegaThrust Earthquakes (mp4 16.4 MB / YouTube / More Info)
Tectonic Setting and Wave Propagation (mp4 3.89 MB / YouTube)
USArray Ground Motion Visualization (mpeg 11.3 MB / More Info)
Back Projection (mpeg 66.1 kB / More Info)

En Español

Presentación en Español (zipped ppt 35.5 MB / pdf 1.46 MB)

USGS Resources

Earthquake Information

View All Teachable Moments