Summary:
Magnitude mb 6.1 
Region ANDREANOF ISLANDS, ALEUTIAN IS. 
  
Date time 2008-04-15 at 22:59:50.2 UTC 
Location 51.92 N ; 179.24 W 
Depth 10 km 
Distances 1496 km E Petropavlovsk-kamchatskiy (pop 187,282 ; local time 11:59 2008-04-16)
1438 km S Anadyr (pop 10,332 ; local time 11:59 2008-04-16)
877 km W Unalaska (pop 3,571 ; local time 14:59 2008-04-15) 
More seismicity information (Moment tensors, phases pickings, etc.)  
Maps:
   
Global view Regional view Local view 
 
References for tectonic plate boundaries:
Bird, P. (2003) An updated digital model of plate boundaries,
Geochemistry Geophysics Geosystems, 4(3), 1027.