It looks as if USGS has upgraded this to an 8.0 or an 8.1 magnitude quake.
Magnitude 8.0 - SOLOMON ISLANDS
2007 April 1 20:39:56 UTC
Earthquake Details
Magnitude 8.0
Date-Time Sunday, April 1, 2007 at 20:39:56 (UTC) = Coordinated Universal Time
Monday, April 2, 2007 at 7:39:56 AM = local time at epicenter
Magnitude 8.0 - SOLOMON ISLANDS
