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The Hellenic arc is one of the most active seismic zones in western Eurasia. [2] It has regularly been the source for magnitude 7 earthquakes in the last hundred years of instrumental recording and the location for at least two historical events that were probably of about magnitude 8 or more, the 365 Crete earthquake and the 1303 Crete earthquake.
The Hellenic Trench, with the inner South Aegean Volcanic Arc, and the outer non-volcanic Hellenic arc [1]: 34 . The Hellenic Trench (HT) is an oceanic trough located in the forearc of the Hellenic arc, an arcuate archipelago on the southern margin of the Aegean Sea plate, or Aegean Plate, also called Aegea, the basement of the Aegean Sea.
Once the Mediterranean Ridge was recognised as an accretionary complex, the majority of geoscientists regarded the Hellenic trenches as features within the forearc region of the Hellenic arc, created by some combination of extension, strike-slip or thrusting within the crust of the Aegean Sea plate. Some geoscientists continue to refer to the ...
The south Aegean is the location of the volcanic arc and is characterised by extension. To the east of Crete along the Hellenic Arc, strike-slip tectonics with some extension become important. [1] The strongest earthquakes historically are those associated with the Hellenic Arc, although none larger than about 7.2 have been observed instrumentally.
Sparta was located on what is currently called the Hellenic arc which is predisposed to large seismic activity due to the convergence and subduction of the African plate beneath the Aegean Sea plate. [ 4 ] [ 5 ] The convergent and subduction of these plates are also seen in the geographical landscape in present-day Greece with large mountain ...
The Hellenic arc, the most likely location for this earthquake, is an arcuate tectonic feature related to the subduction of the African plate beneath the Aegean Sea plate.It is one of the most active seismic zones in western Eurasia and has a history of large earthquakes that also affect Egypt.
The Kythira–Antikythira Strait is situated within the Western Hellenic arc. It measures approximately 100 kilometres (62 mi) in length and is situated between the Peloponnese and the island of Crete. [1] [2] [3] Many ships have sunk in the area, including HMS Greyhound (H05), HMS Gloucester (62), and SS Ivernia. [4]
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