Hilo, Hawaii, the tsunami killed 159 and caused extensive damage. March 9, 1957 Andreanof Islands earthquake: This magnitude 8.6 earthquake occurred south of the Andreanof Islands. The earthquake itself caused damage on Adak Island and Umnak Island and generated a Pacific-wide tsunami. The tsunami destroyed two villages in the Hawaiian Islands. The tsunami was recorded as far away as Chile. March 27, 1964 Alaska earthquake: Lasting four minutes and thirty-eight seconds, the magnitude 9.2 megathrust earthquake remains the most powerful earthquake recorded in North American history, and the second most powerful earthquake recorded in world history. of fault ruptured at once and moved up to , releasing about 500 years of stress buildup. Most damage directly from the earthquake was in Anchorage, Alaska and the surrounding areas; a Pacific-wide tsunami caused destruction as far away as Crescent City, California. The death toll from both earthquake and tsunami was 131. February 4 1965 Rat Islands earthquake: This magnitude 8.7 earthquake triggered a tsunami that struck Shemya Island and was observed around the Pacific, but caused little damage. May 7, 1986 Andreanof Islands earthquake: This magnitude 7.9 earthquake caused damage on Adak Island and Atka Island. The resultant tsunami was recorded throughout the Pacific. On June 23, 2014, a 7.9 quake occurred near Little Sitkin Island, Alaska. On July 17, 2017, a magnitude 7.7 quake occurred ESE of Nikol'skoye, Russia. On January 23, 2018 Gulf of Alaska earthquake: a magnitude 7.9 quake occurred Southeast of Kodiak, Alaska. On July 28, 2021, a magnitude 8.2 earthquake occurred 104 km SE of Perryville, Alaska References External links A New Perspective on Seismic Hazards in the Shumagin Gap – Alaska Earthquake Center Landforms of Russia Landforms of Alaska Oceanic trenches of the Pacific Ocean Subduction zones