Following an earthquake measuring 8.8 on the Richter scale, tsunami waves struck Russia's Kamchatka Peninsula and Japan on Wednesday. There are no reports of fatalities so far. Tsunami warnings are in place for several other countries.

Following the massive earthquake that struck near Russia's Kamchatka Peninsula on Wednesday morning, Japan's Meteorological Agency says tsunami waves arriving after the first one could be more powerful -- partly due to the region's unique undersea topography.

A magnitude-8.7 earthquake in Russia's Far East early Wednesday prompted tsunami warnings in parts of Japan, Alaska and Hawaii.