The 554 Anatolia earthquake took place on August 15, 554 in the southwest coasts of

Anatolia Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...

(Asia Minor). It affected the Güllük Gulf (Mandalya Gulf), and the island of

Kos Kos or Cos (; ) is a Greek island, which is part of the Dodecanese island chain in the southeastern Aegean Sea. Kos is the third largest island of the Dodecanese, after Rhodes and Karpathos; it has a population of 37,089 (2021 census), making ...

.Antonopoulos, 1980 Details of the earthquake come primarily from the historians

John Malalas John Malalas (; ; – 578) was a Byzantine chronicler from Antioch in Asia Minor. Life Of Syrian descent, Malalas was a native speaker of Syriac who learned how to write in Greek later in his life. The name ''Malalas'' probably derive ...

(6th century),

Agathias Agathias Scholasticus (; Martindale, Jones & Morris (1992), p. 23–25582/594) was a Greek poet and the principal historian of part of the reign of the Roman emperor Justinian I between 552 and 558. Biography Agathias was a native of Myrina ( ...

(6th century),

Theophanes the Confessor Theophanes the Confessor (; 759 – 817 or 818) was a member of the Byzantine aristocracy who became a monk and chronicler. He served in the court of Emperor Leo IV the Khazar before taking up the religious life. Theophanes attended the Second C ...

(9th century), and

George Kedrenos George Kedrenos, Cedrenus or Cedrinos (, fl. 11th century) was a Byzantine Greek historian. In the 1050s he compiled ''Synopsis historion'' (also known as ''A concise history of the world''), which spanned the time from the biblical account of cre ...

(11th century).Antonopoulos, 1980 The earthquake severely damaged the city of Tralles (modern

Aydın Aydın ( ''EYE-din''; ; formerly named ''Güzelhisar; Greek: Τράλλεις)'' is a city in and the seat of Aydın Province in Turkey's Aegean Region. The city is located at the heart of the lower valley of Büyük Menderes River (ancient ...

), the island of Kos as well as the island of

Kalymnos Kalymnos (; ) is a Greek island and municipality in the southeastern Aegean Sea. It belongs to the Dodecanese island chain, between the islands of Kos (south, at a distance of ) and Leros (north, at a distance of less than ): the latter is lin ...

. An area of 8.5 km2 of the land was cut off from the main island of Kalymnos forming the island known nowadays as Telendos. Lesser damage was reported from the cities of

Nicomedia Nicomedia (; , ''Nikomedeia''; modern İzmit) was an ancient Greece, ancient Greek city located in what is now Turkey. In 286, Nicomedia became the eastern and most senior capital city of the Roman Empire (chosen by the emperor Diocletian who rul ...

(modern

İzmit İzmit () is a municipality and the capital Districts of Turkey, district of Kocaeli Province, Turkey. Its area is 480 km2, and its population is 376,056 (2022). The capital of Kocaeli Province, it is located at the Gulf of İzmit in the Sea ...

) and

Antioch Antioch on the Orontes (; , ) "Antioch on Daphne"; or "Antioch the Great"; ; ; ; ; ; ; . was a Hellenistic Greek city founded by Seleucus I Nicator in 300 BC. One of the most important Greek cities of the Hellenistic period, it served as ...

(modern

Antakya Antakya (), Turkish form of Antioch, is a municipality and the capital Districts of Turkey, district of Hatay Province, Turkey. Its area is . Prior to the devastating 2023 Turkey–Syria earthquakes, 2023 earthquakes, its population was recorded ...

). The earthquake was reportedly felt as far as

Constantinople Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...

(modern

Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...

), and areas of the

Middle East The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq. The term came into widespread usage by the United Kingdom and western Eur ...

. Antonopoulos, 1980 The earthquake caused a seismic sea wave (

tsunami A tsunami ( ; from , ) is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and underwater explosions (including detonations, ...

) which reportedly flooded many coastal areas in southern Anatolia. The waters advanced over inland, reportedly transporting with it ships and marine animals. Antonopoulos, 1980 The historian Agathias visited the island of Kos shortly after the earthquake. He reported that the tsunami demolished whatever buildings had been left standing in the island's main city following the earthquake. Antonopoulos, 1980 The ''

Corpus Scriptorum Historiae Byzantinae The (CSHB; ), also referred to as the Bonn Corpus, is a monumental fifty-volume series of primary sources for the study of Byzantine history (–1453), published in the German city of Bonn between 1828 and 1897. Each volume contains a critica ...

'' (1828–1897) mentions several other earthquakes for the year 554. The earthquakes shook Anatolia, the

Arabian Peninsula The Arabian Peninsula (, , or , , ) or Arabia, is a peninsula in West Asia, situated north-east of Africa on the Arabian plate. At , comparable in size to India, the Arabian Peninsula is the largest peninsula in the world. Geographically, the ...

Mesopotamia Mesopotamia is a historical region of West Asia situated within the Tigris–Euphrates river system, in the northern part of the Fertile Crescent. Today, Mesopotamia is known as present-day Iraq and forms the eastern geographic boundary of ...

Palestine Palestine, officially the State of Palestine, is a country in West Asia. Recognized by International recognition of Palestine, 147 of the UN's 193 member states, it encompasses the Israeli-occupied West Bank, including East Jerusalem, and th ...

. The cities of

Alexandria Alexandria ( ; ) is the List of cities and towns in Egypt#Largest cities, second largest city in Egypt and the List of coastal settlements of the Mediterranean Sea, largest city on the Mediterranean coast. It lies at the western edge of the Nile ...

Beirut Beirut ( ; ) is the Capital city, capital and largest city of Lebanon. , Greater Beirut has a population of 2.5 million, just under half of Lebanon's population, which makes it the List of largest cities in the Levant region by populatio ...

, and Constantinople reportedly suffered damage from these earthquakes. The vast area affected suggests multiple earthquakes over a relatively short period of time. Antonopoulos, 1980 The main earthquake is dated to 554, but the historian Carolus Sigonius (16th century) estimated that the event occurred in either 555 or 556. Antonopoulos, 1980

References

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References

{{coord, 37.116, 27.470, type:event_globe:earth_region:GR, display=title 554 550s in the Byzantine Empire 6th-century earthquakes Ancient Kos Byzantine Anatolia Earthquakes in the Byzantine Empire