in the us general website..http://earthquake.usgs.gov it s clearly given that the earthquake strikes with 6.6 magnitude..
here is the summary,
The following is a release by the United States Geological Survey, National Earthquake Information Center: An earthquake occurred 115 km (70 miles) SW of Port Blair, Andaman Islands, India and 975 km (610 miles) WSW of BANGKOK, Thailand at 5:40 AM MDT, Jun 27, 2008 (5:40 PM local time in India). The magnitude and location may be revised when additional data and further analysis results are available. There have been no reports of damage.
Magnitude : 6.6
Date - Time : Friday, June 27, 2008 at 11:40:17 UTC
Friday, June 27, 2008 at 05:40:17 PM at epicenter
Location : 11.012°N, 91.864°E
Depth : 35 km (21.7 miles) set by location program
Distances : 120 km (75 miles) SW of Port Blair, Andaman Islands, India
370 km (230 miles) NNW of Misha, Nicobar Islands, India
990 km (610 miles) WSW of BANGKOK, Thailand
2475 km (1540 miles) SE of NEW DELHI, Delhi, India
Location Uncertainity : horizontal +/- 4.7 km (2.9 miles); depth fixed by location program
Parameters : NST=293, Nph=293, Dmin=>999 km, Rmss=0.94 sec, Gp= 22°,
M-type=moment magnitude (Mw), Version=8
Source : USGS NEIC (WDCS-D) http://earthquake.usgs.gov
But india is hot now with inflations, earthquakes never grab that hot uh !!!...