Constantinople earthquakes

                                               

Between 330 – 1923 : about 1,000 earthquakes

30 major during the Byzantine Era, 10 major during the Ottoman Era

Many lasted for months, 40 days in 869, 140 days in 1034, 2 minutes on 11 May, 1766

Followed by fires, or epidemics:  1037 – 1040

Damage to the dome of Saint Sophia : 558, 986 &  1343 - 1346

Quakes :       major,  minor

                                   1999 : Izmit area

                                     1988

                                     1963

                                     1957

                                     1952

                                     1923

                                     1894 : 3 after socks from south to north

                                     1855

                                     1841

                                     1837

                                     1802

                                     1790

                                     1766: after socks for 8 months

                                     1754

                                     1752

                                     1719

                                     1712

                                     1690

                                     1659

                                     1648

                                     1556

                                     1509 : major quake with 109 mosques, 1070 state houses, etc  destroyed

                                                 “The Lesser Judgement Day “ shocks for 45 days, tsunami

                                     1489

                               1343 - 1346

                                     1305

                                     1296

                                     1086

                                      1064

                                1037 – 1040 : many

                                      1034

                                      1010

                                        986

                                        869 : for 40 days

                                        740

                                        732

                                        611

                                        582

                                     557 - 558

                                     554 - 555

                                          548

                                          542

                                          533

                                          527

                                      483 – 487 : continuous

                                           478

                                           447

                                           402

                                           398

                                           358

                                   Earthquakes in Constantinople between 350 AD and 1999 AD

Conclusions

Earthquakes have been numerous. Most are small ones with strong ones (> 6 on the Richter scale) in between.

The age gap between major earthquakes varies from 73 years to 312 years with an average of 190 years.