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The 1868 Hawaiʻi earthquake was the largest recorded in the history of Hawaiʻi island, [3] with an estimated magnitude of 7.9 M fa [1] and a maximum Mercalli intensity of X (Extreme). The earthquake occurred at 4 p.m. local time on April 2, 1868, and caused a landslide and tsunami that led to 77 deaths.
Hawaii – Southern: 7.9: X: 31–77: Limited damage / homes destroyed / tsunami: Note: The inclusion criteria for adding events are based on WikiProject Earthquakes' notability guideline that was developed for stand-alone articles. The principles described also apply to lists.
The largest and most luxurious hotels on the Island of Hawaii also happened to be clustered within ten miles (16 km) of the earthquake's epicenter along the Kohala coast. The 1965 Mauna Kea Beach Hotel had its entire south end collapse, and the hotel's top floor was considered "destroyed." The hotel closed on December 1 after a month-long ...
A pie chart comparing the seismic moment release of the three largest earthquakes for the hundred-year period from 1906 to 2005 with that for all earthquakes of magnitudes <6, 6 to 7, 7 to 8, and >8 for the same period. The 2011 Japan quake would be roughly similar to Sumatra. Earthquakes of magnitude 8.0 and greater from 1900 to 2018.
1975 Near Islands earthquake: November 29, 1975: Hawaii: 7.7 M w 2: 1975 Hawaii earthquake [12] November 8, 1980: California 7.2 M w 5 1980 Eureka earthquake [13] May 2, 1983: California: 6.5 M w 0: 1983 Coalinga earthquake: November 16, 1983: Hawaii 6.7 M w 0 1983 Kaoiki earthquake [2] October 28, 1983: Idaho: 7.3 M w 2: 1983 Borah Peak ...
The Richter scale [1] (/ ˈ r ɪ k t ər /), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude scale". [3]
Near Kilauea volcano, the largest structure formed by the collapse of the southeastern flank of the island is the Hilina slump. This slump moves seaward at an average rate of 10 cm/year (3.9 in/year). The slump moved during the May 4 earthquake by about 0.6 m (2.0 ft) and has moved during previous earthquakes, such as those in 1868 and 1975. [16]
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.