Alaska tsunami 1958 deaths. A pacific broad wave was triggered by the quake which had a surface wave extent of 78 an epicenter of 5280 n 16350 w and a focal expanse of 25 km. Movement on the fairweather fault and field investigation of southern epicentral region steven n. The seven miles long and two miles narrow lituya bay.
The 1958 lituya bay earthquake occurred at july 9 at 221558 with a moment magnitude of 78 and a maximum mercalli intensity of xi extremethe strike slip earthquake took place on the fairweather fault and triggered a rockslide of 40 million cubic yards 30 million cubic meters and about 90 million tons into the narrow inlet of lituya bay alaskathe impact was heard 50 miles 80 km away. Ward and simon day 2010 the 1958 lituya bay landslide and tsunami a tsunami ball approach. On july 9 1958 an earthquake with an estimated magnitude of 77 83 triggered an enormous rockfall in a remote bay along the gulf of alaska.
The actual quake itself happened in the aleutian islands of alaska. How many people died in the lituya bay tsunami. The other two died when their boat was sunk by the tsunami at lituya bay.
Three people died on khantaak island at the mouth of yakutat bay when the beach they were standing on subsided 100 feet below sea level.