A major 7.5 magnitude earthquake struck at approximately midnight local time off the west coast of southeastern Alaska. There were no immediate reports of damage or casualties. This earthquake occurred as a result of shallow strike-slip faulting on or near the plate boundary between the Pacific and North America plates.
10 slide Powerpoint presentation (zipped ppt/animation 8.93 MB / pdf 1.83 MB)
Presentación en Español (zipped ppt 8.93 MB / pdf 1.78 MB)
USArray Ground Motion Visualization (mpeg-4 6.73 MB / More Info)