The 1958 Lituya Bay earthquake occurred on July 9 at 22:15:58 with a jovana nogic moment magnitude of 7.8 to 8.3 and a maximum Mercalli intensity of XI. The strike-slip earthquake took place on the Fairweather Fault and triggered a rockslide of 40 million cubic yards into the narrow inlet of Lituya earthquake near me Bay, Alaska. The impact was heard 50 miles away, and the sudden displacement of water resulted in a megatsunami that washed out trees to orange a maximum elevation of 1,720 feet at the entrance of Gilbert Inlet. This is the largest and most significant megatsunami in modern times; it forced a re-evaluation of large-wave events and the recognition of impact events, rockfalls, and landslides as causes of very large waves.
