10 largest earthquakes to strike the U.S.

TULSA - We've had 21 more earthquakes in Oklahoma since the 4.7 magnitude tremor struck Saturday near Sparks.

The 5.6 quake that hit Saturday night was felt by almost everyone in the state. But it paled in comparison to bigger tremors in U.S. history.

Below is a list of the 10 largest earthquakes in American history.

9.2 - Prince William Sound, Alaska, 1964
9.0 - Cascadia Subduction Zone, 1700
8.7 - Rat Islands, Alaska, 1965
8.6 - Andreanof Islands, Alaska, 1957
8.2 - Shumagin Islands, Alaska, 1938
8.1 - Unimak Island, Alaska, 1946
8.0 - Yakutat Bay, Alaska, 1899
7.9 - Denali Fault, Alaska, 2002
7.9 - Andreanof Islands, Alaska, 1996
7.9 - Andreanof Islands, Alaska, 1986

Source: USGS

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