İzmir

Earthquakes near İzmir through history

From 1900 to October 19, 2026, USGS recorded 11 earthquakes of magnitude 6 or more within 100 km of İzmir, or 200 km for magnitude 7 and above. 5 of them reached magnitude 7 or more; the strongest on either list was a magnitude 7.5, three times, most recently on December 1, 1869 (Gulf Of Keramos, Mentese).

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The last 30 days · as of

USGS recorded no earthquake of magnitude 4.5 or more within 100 km of İzmir in the last 30 days.

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What the record holds

The deadliest was not the strongest: an estimated magnitude 6.6 on July 10, 1668, for which NOAA records 17,500 deaths. NOAA’s list of significant earthquakes has 48 here, back to AD 11. NOAA records deaths in 21 of the events here, 61,841 in all. The latest on NOAA’s list is a magnitude 4.8 on November 4, 2022 (Izmir). NOAA’s record here begins in AD 11 with an earthquake. It grows thinner going back: 13 of the 48 significant earthquakes NOAA lists here are from 1927 on. NOAA lists 16 tsunamis that began within 100 km of İzmir, and one from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 5.3 m, on October 30, 2020.

The events

  • November 4, 2022Earthquake · M 4.8Izmir · 2 deaths (NOAA)USGS · NOAA NCEI
  • October 30, 2020Tsunami · 5.3 m hereAegean SeaNOAA NCEI · Wikipedia
  • December 1, 1869Earthquake · M 7.5 (est.)Gulf Of Keramos, Mentese · 3 deaths (NOAA)NOAA NCEI
  • July 12, 1688Earthquake · M 7.5 (est.)Aegean SeaNOAA NCEI
  • July 10, 1668Earthquake · M 6.6 (est.)17,500 deaths (NOAA)NOAA NCEI
  • February 23, 1653Earthquake · M 7.5 (est.)Izmir,Alasehir,Denizli,Aydin · 2,500 deaths (NOAA)NOAA NCEI · Wikipedia
  • AD 11EarthquakeNOAA NCEI

Good to know

  • An event counts for İzmir when it began within 100 km of its centre, or 200 km for an earthquake of magnitude 7 or more. Damage can reach further.
  • USGS counts here start at magnitude 6: the catalogue’s smaller quakes thin out going back, where few instruments listened.
  • NOAA lists significant events only: earthquakes that killed, did about $1 million of damage, reached magnitude 7.5 or intensity X, or raised a tsunami, and eruptions and tsunamis by like measures. Magnitudes before 1900 are its estimates from written accounts.
  • Deaths are NOAA’s total for each event, wherever people died, its tsunami and fires included. A tsunami counts the dead its runup records give for this place: NOAA’s total for a tsunami includes its source quake’s.
  • A tsunami from elsewhere counts where one of its runups killed or rose a metre or more.
  • Counted to October 19, 2026, as is the map. The last 30 days ask USGS again.

How the layers work, where their data comes from and what they can’t tell you: Earthquakes, live, The world through history

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