1491 Cyprus earthquake

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The 1491 Cyprus earthquake occurred on 24 April 1491, and resulted in extensive damage across the island of Cyprus and some limited damage in the Levant.

Contents

Epicentre and geology

The precise epicenter of the earthquake remains unknown. Nicholas Ambraseys wrote that the epicenter was probably located in the Eastern Mediterranean Sea between the coasts of Cyprus and Syria. [1] Papazachos and Papaioannou, on the other hand, state that the 1491 earthquake is only one of the two earthquakes (the other being in 1718) that had an epicentre within the island of Cyprus, and this was most likely in the Mesaoria plain. They state that the plain may constitute a graben that is associated with normal faults, which would have produced the earthquake. [2]

According to the Cyprus Geological Survey Department, the earthquake had a magnitude of 7.0 on the Richter scale and an intensity of VIII-IX on the Mercalli scale. [3]

Damage

The earthquake caused widespread damage particularly along the eastern coast of Cyprus as well as the Mesaoria plain, including the capital city of Nicosia. In 'badly-built' city of Nicosia, chroniclers state that 4,000 buildings were destroyed during the earthquake. The primary sources disagree on the loss of life in the city, with some stating that there was no loss of life, but another source stating that 1,000 people died. [1]

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The 1904 Kresna earthquakes occurred on the same day of April 4 in the Kresna region, Bulgaria). The pair of earthquakes measured 6.9 and 7.2 on the surface wave magnitude scale, and were assigned the respective Modified Mercalli intensity scale ratings of X (Extreme) and XI (Extreme). More than 200 people were killed in the two earthquakes. Several villages were obliterated as a result.

The 1872 Amik (Antakya) earthquake occurred on April 3 with an epicenter within the Amik Valley in the Ottoman Empire. Earthquake had an estimated magnitude of Mw  7.0–7.2 or Ms  7.2 and maximum MSK 64 rating of XI (Catastrophic). Turkey and Syria were devastated by this earthquake, and the region lost at least 1,800 residents.

An earthquake struck Western Greece near the coastal city of Aigio at 03:15:48 local time on 15 June 1995. The second destructive earthquake to strike Greece in a month, it measured 6.4–6.5 on the moment magnitude scale (Mw ). It was assigned a maximum Modified Mercalli intensity of VIII (Severe) and EMS-98 intensity of IX (Destructive). The horizontal peak ground acceleration reached 0.54 g and ground velocity peaked at 52 cm/s (20 in/s)—the strongest ground motion ever recorded in Greece. Fifteen minutes after the mainshock, a large aftershock struck, causing further damage to Aigio. Faulting occurred on either the Aigion fault or an unnamed offshore fault. Other faults in the region have the potential to produce earthquakes up to Mw  6.9, which poses a risk to Aigio and the surrounding Gulf of Corinth.

References

  1. 1 2 Ambraseys, Nicholas (2009). Earthquakes in the Mediterranean and Middle East: A Multidisciplinary Study of Seismicity up to 1900. Cambridge University Press. pp. 407–411. ISBN   9781139195430.
  2. Papazachos, B. C; Papaioannou, Ch. A (10 July 1999). "Lithospheric boundaries and plate motions in the Cyprus area". Tectonophysics. 308 (1): 193–204. Bibcode:1999Tectp.308..193P. doi:10.1016/S0040-1951(99)00075-X. ISSN   0040-1951.
  3. Petrou, Margarita L.; Dimos C., Charmpis (2020). "A STUDY OF THE HISTORICAL CONSTRUCTION TECHNOLOGY OF BELL TOWERS IN CYPRUS" (PDF). 12th International Conference on Structural Analysis of Historical Constructions. Archived from the original on 10 February 2022. Retrieved 3 March 2023.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

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