Mostar

Earthquakes near Mostar through history

From 1900 to October 19, 2026, USGS recorded 6 earthquakes of magnitude 6 or more within 100 km of Mostar, or 200 km for magnitude 7 and above. The strongest on either list was an estimated magnitude 7.2 on April 6, 1667 (Croatia: Dubrovnik: Ragusa).

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The last 30 days · as of

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

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What the record holds

It was also the deadliest: NOAA records 5,000 deaths for it. NOAA’s list of significant earthquakes has 25 here, back to 1386. NOAA records deaths in 5 of the events here, 5,007 in all. The latest on NOAA’s list is a magnitude 5.7 on April 22, 2022 (15 km NNE of Ljubinje, Bosnia and Herzegovina). NOAA’s record here begins in 1386 with an earthquake (Bosnia-Herzegovina). 18 of the 25 significant earthquakes NOAA lists here came before 1927. NOAA lists 5 tsunamis that began within 100 km of Mostar, and one from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 3 m, on June 21, 1978.

The events

  • April 22, 2022Earthquake · M 5.715 km NNE of Ljubinje, Bosnia and Herzegovina · one death (NOAA)USGS · NOAA NCEI · Wikipedia
  • June 21, 1978Tsunami · 3 m hereEastern Italy, Adriatic SeaNOAA NCEI · Wikipedia
  • September 14, 1843Earthquake · M 6.5 (est.)Croatia: DubrovnikNOAA NCEI
  • April 6, 1667Earthquake · M 7.2 (est.)Croatia: Dubrovnik: Ragusa · 5,000 deaths (NOAA)NOAA NCEI · Wikipedia
  • 1386EarthquakeBosnia-HerzegovinaNOAA NCEI

Good to know

  • An event counts for Mostar 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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