events
A 7.8 Mw strike-slip earthquake in Alaska causes a landslide that produces a megatsunami. The runup from the waves reached 525 m (1,722 ft) on the rim of Lituya Bay; five people were killed.
Related Wikipedia articles
1958 Lituya Bay earthquake and megatsunami
Geologic events off the Alaska coast
The 1958 Lituya Bay earthquake occurred on July 9, 1958, at 22:15:58 PST with a moment magnitude of 7.8 to 8.3 and a maximum Mercalli intensity of XI (Extreme). The strike-slip earthquake took place on the Fairweather Fault and triggered a rockslide of 30 million cubic meters…Source: Wikipedia (CC BY-SA)
Landslide
Natural hazard involving ground movement
Landslides, also known as landslips, rockslips or rockslides, are several forms of mass wasting that may include a wide range of ground movements, such as rockfalls, mudflows, shallow or deep-seated slope failures and debris flows. Landslides occur in a variety of environments,…Source: Wikipedia (CC BY-SA)
Megatsunami
Very large wave created by a large, sudden displacement of material into a body of water
A megatsunami is an incredibly large wave created by a substantial and sudden displacement of material into a body of water.Source: Wikipedia (CC BY-SA)
Lituya Bay
Fjord on the southeast coast of Alaska, United States
Lituya Bay is a fjord located on the coast of the south-east part of the U.S. state of Alaska. It is 14.5 km (9 mi) long and 3.2 km (2 mi) wide at its widest point. The bay was noted in 1786 by Jean-François de Lapérouse, who named it Port des Français. Twenty-one of his men…Source: Wikipedia (CC BY-SA)