The Pacific Ring of Fire

Experts warned that there was between a 7 and 40 percent chance of a magnitude 8.8 or greater earthquake striking in the ocean just south of Hokkaido.

The 8.2-magnitude earthquake hit off Chile's Pacific coast Tuesday night, triggering a tsunami alert and a large-scale evacuation.

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As the U.S. Geological Survey recorded over 12 earthquakes across the world on Saturday, May 21, 2011, which was predicted to be doomsday or the end of the world, we bring here a brief about earthquakes that jolted the world on the same day in the past.

Tsunami waves of up to 1.5 meters (5 feet) hit far-flung Pacific regions from the Russian far east and Japan to New Zealand's Chatham Islands on Sunday after a powerful earthquake struck Chile, but there were no reports of injuries or serious damage.

One of the most powerful earthquakes in decades battered Chile on Saturday, killing at least 147 people, knocking down buildings and triggering a tsunami that rolled menacingly across the Pacific.

A massive magnitude-8.8 earthquake struck south-central Chile early on Saturday, killing at least 85 people, knocking down buildings, homes and hospitals, and triggering a tsunami.