Details from earthquake.usgs.gov

2010 February 26 04:42:29 UTC
Magnitude 5.4 – WESTERN XIZANG

Location: 28.432°N, 86.769°E
Depth: 10 km (6.2 miles) set by location program
Region: WESTERN XIZANG

Distances:
70 km (40 miles) N of Namche Bazar, Nepal
165 km (100 miles) ENE of KATHMANDU, Nepal
220 km (135 miles) NW of Gangtok, Sikkim, India
670 km (415 miles) NNW of Kolkata (Calcutta), West Bengal, India

Click here for map of epicenter and surrounding areas.