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UTC time: 1946-04-01 12:29:01: ISC event: 898313: USGS-ANSSComCat: Local date: April 1, 1946 (): Local time: 02:29: Magnitude: 7.4 M s, 8.6 M w, 9.3 M t: Depth: 15 km (9.3 mi) [1] Epicenter: 1]: Type: Megathrust: Areas affected: Hawaii, Alaska United States: Max. intensity: MMI VI (Strong): Tsunami: Up to 42 m (138 ft) at Unimak Island: Casualties: 165–173 [2]: The 1946 Aleutian Islands ...
This event followed the destructive earthquake and tsunami at Arica by only nine years. [112] 1881: Andaman Islands, Nicobar Islands: 1881 Nicobar Islands earthquake: Earthquake: On 31 December 1881 a tsunami caused by an earthquake was recorded on all the coasts of the Bay of Bengal by tide gauges. This information has been used to estimate ...
Hawaii is an island in the Pacific Ocean 2,000 mi (3,200 km) off the coast of the United States. The majority of environmental issues affecting Hawaii today are related to pressures from increasing human and animal population and urban expansion both directly on the islands as well as overseas.
The island of Hawaii is affected by earthquakes related to three main causes. Some are associated with the movement of magma and tend to be shallow focus (less than 5 km (3.1 mi) depth). The largest earthquakes are those caused by overall gravitational spreading of the volcano, whether within the volcano's flanks or at the base of the volcanic ...
The last tsunami warning in the San Francisco Bay Area followed a 9.1 earthquake in Tohoku, Japan that sparked a major nuclear accident at the Fukushima-Daiichi nuclear power plant in March 2011 ...
Earthquake environmental effects are divided into two main types: Coseismic surface faulting induced by the 1915 Fucino, Central Italy, earthquake. Primary effects: which are the surface expression of the seismogenic source (e.g., surface faulting), normally observed for crustal earthquakes above a given magnitude threshold (typically M w =5.5 ...
The latest in a string of powerful earthquakes shook part of the southwestern Pacific on Friday morning, local time, leading to far-reaching tsunami concerns. The magnitude 8.1 earthquake occurred ...
The tsunami caused twice the damage the tsunami of the 1946 earthquake did. [14] In Hawaii, damage was much more extensive, including two indirect fatalities that occurred when a pilot and photographer were killed while attempting to document the tsunami's arrival from an airplane.