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The 2009 Samoa earthquake and tsunami took place on 29 September 2009 in the southern Pacific Ocean adjacent to the Tonga–Kermadec subduction zone. The submarine earthquake occurred in an extensional environment and had a moment magnitude of 8.1 and a maximum Mercalli intensity of VI (Strong). It was the largest earthquake of 2009.
The 2009 Samoa earthquake and tsunami killed more than 170 people in the Samoa Islands and Tonga. The M8.1 submarine earthquake took place in the region at 06:48:11 local time on September 29, 2009 (17:48:11 UTC, September 29), followed by smaller aftershocks. [27] It was the largest earthquake of 2009. [28]
The primary tectonic feature near Samoa is the northernmost extent of the Tonga Trench where the Pacific plate is being subducted beneath the Australian plate. The trench strikes south-southeast between New Zealand and Samoa, then turns sharply to the west.
A tsunami warning for American Samoa was lifted after a powerful earthquake of magnitude 6.7 struck between American Samoa and Tonga on Sunday. The epicenter was about 108 km (67 miles) north ...
Apia (Samoan:) is the capital and only city of Samoa. It is located on the central north coast of Upolu, Samoa's second-largest island. Apia falls within the political district (itūmālō) of Tuamasaga. The Apia Urban Area (generally known as the City of Apia) has a population of 35,974 (2021 census). [2]
Vaisala, Samoa; Vaitele; Vaiusu; User:Amolioo; User:Ty654/List of earthquakes from 1930-1939 exceeding magnitude 6+ User:Ty654/List of earthquakes from 1950-1954 exceeding magnitude 6+ User:Ty654/List of earthquakes from 1970-1974 exceeding magnitude 6+ User:Ty654/List of earthquakes from 1975-1979 exceeding magnitude 6+ Module:Location map ...
In the past century, Pago Pago has experienced over 50 minor tsunamis. The earliest and most impactful tsunami before the 2009 Samoa earthquake and tsunami occurred in 1917. This event was triggered by a magnitude 8.3 earthquake at the outer border of the northern end of the Tonga Trench, approximately 200 km off the Tutuila coast. The initial ...
The color-coded map shows a range of earthquake probability across the U.S. Well known high-risk areas, such as California and Alaska, are coded in dark red, denoting the highest risk.