LOS ANGELES, July 30 (Xinhua) -- A massive earthquake struck off the coast of Russia Tuesday, sparking tsunami alerts in the United States, including Alaska, Hawaii, Guam and the West Coast.

NEW YORK, July 24 (Xinhua) -- An earthquake with a magnitude of 6.6 jolted 165 km SSE of Mata-Utu, Wallis and Futuna at 2337 GMT on Thursday, said the United States Geological Survey (USGS). The epice ...