Goa, July 30 -- A powerful 8.7-magnitude earthquake that struck Russia's Kamchatka Peninsula has triggered tsunami alerts across multiple countries and territories bordering the Pacific Ocean. The quake, one of the strongest in recent years, has already led to tsunami waves reaching Russia's Kuril Islands and Japan's northern island of Hokkaido.

The U.S. Tsunami Warning System has released a comprehensive advisory, listing several nations and islands at risk of being impacted by tsunami waves of varying heights. Authorities across the Pacific Rim are closely monitoring the situation.

Areas at Risk by Expected Wave Height:

Tsunami waves over 3 meters possible:

Waves between 1 to 3 meters possible in:

Waves between 0.3 to 1 meter may i...