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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). [4] The strike-slip earthquake took place on the Fairweather Fault and triggered a rockslide of 30 million cubic meters (40 million cubic yards) and about 90 million tons into the ...
Cenotaph Island in Lituya Bay. The smaller Cascade and Crillon glaciers and the larger Lituya Glacier all spill into Lituya Bay, which is a part of Glacier Bay National Park and Preserve. Cenotaph Island is located roughly in the middle of the bay. The entrance of the bay is approximately 500 m (0.31 mi) wide, with a narrow navigable channel. [3]
On July 9, 1958, an earthquake along the Fairweather Fault loosened about 40 million cubic yards of rock above Lituya Bay. The impact of this enormous volume of rock falling from approximately 3,300 feet (1,000 m) produced locally the largest recorded tsunami (an estimated 1,700 feet (520 m) high) and devastated the entire bay. [3]
Not the most active year with only 8 earthquakes reaching above magnitude 7.0. The largest event was a magnitude 8.3 earthquake in Russia in November, and another equally sized event in Alaska. Ecuador and Peru also saw fairly high activity. 1958 had only 368 deaths. Most of this total came from earthquakes in Iran and Ecuador.
Map all coordinates using OpenStreetMap. ... 1899 Yakutat Bay earthquakes; ... 1958 Lituya Bay earthquake and megatsunami; O.
Lituya Bay, Alaska, U.S. 1958 Lituya Bay, Alaska earthquake and megatsunami: Earthquake-triggered landslide: On the night of 9 July 1958, an earthquake on the Fairweather Fault in Alaska loosened about 40 million cubic yards (30 million cubic meters) of rock 3,000 feet (910 m) above the northeast shore of Lituya Bay. The impact in the waters of ...
The magnificent scenery of Lituya Bay. An earthquake here in 1958 caused a huge landslide at the head of the bay that generated the largest recorded wave in history. Trees were sheared off up to 1,720 feet above sea level on the north side of the bay. Alaska, Gulf of Alaska, Lituya Bay.
The 1957 Andreanof Islands earthquake occurred at 04:22 local time on March 9 with a moment magnitude estimated at 8.6 and a maximum Modified Mercalli intensity of VIII (Severe). It occurred south of the Andreanof Islands group, which is part of the Aleutian Islands arc.