https://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc000905e.html
Magnitude 8.6 - OFF THE WEST COAST OF NORTHERN SUMATRA
Wednesday, April 11, 2012 at 08:38:37 UTC Wednesday, April 11, 2012 at 02:38:37 PM at epicenter Time of Earthquake in other Time Zones Location 2.311°N, 93.063°E Depth
22.9 km (14.2 miles)
By the time most of you read this, the tsunami will either have struck or not have happened. They're saying this one is about one quarter the size of the big one that wrecked Indonesia back in 2004.