An 8.8 magnitude earthquake — one of the most powerful in recorded history — struck off the coast of Russia Tuesday, prompting tsunami watches and warnings around the globe.

But how does it measure up with the strongest earthquakes in history?

The United States Geological Survey's (USGS) seismogram records only go back to about 1900, but since then there have been multiple quakes that registered at 9.0 magnitude and above.

1. Valdivia Earthquake

Damage from the 1960 Chile earthquake, the largest earthquake of the 20th century. (Getty Images)

The most powerful........

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