How did the 2011 Japan tsunami affect the coasts of California and Oregon?

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earthquake damage, Honshu, Japan, 2011 — Japan earthquake and tsunami of 2011 Aerial view of damage to a portion of the northeastern coast of Honshu, Japan, following the offshore earthquake and resultant tsunami there on March 11, 2011.

Following the 2011 earthquake in Japan, the resulting tsunami generated waves that traveled across the Pacific Ocean. Several hours after the initial event, these waves reached the coasts of California and Oregon in North America, reaching heights of approximately 9 feet (2.7 meters).12