Pakistan, Sept. 13 -- A powerful 7.4-magnitude earthquake struck off Russia's Kamchatka Peninsula early Saturday, shaking the region once again. According to the U.S. Geological Survey (USGS), the quake hit about 111 km east of Petropavlovsk-Kamchatsky at a depth of 39 km. Authorities confirmed there is no tsunami threat.
This earthquake is the strongest aftershock since the massive 8.8-magnitude quake that hit Kamchatka on July 29. That earlier quake caused significant concern, triggering tsunami waves and damaging military facilities. Saturday's tremor adds to an already active seismic season in the region.
The Pacific Tsunami Warning Center first issued a potential alert but later withdrew it. Japan's Meteorological Agency also confir...