Takamatsu

Earthquakes near Takamatsu through history

From 1900 to October 19, 2026, USGS recorded 5 earthquakes of magnitude 6 or more within 100 km of Takamatsu, or 200 km for magnitude 7 and above. The strongest on either list was an estimated magnitude 8.6 on August 26, 887 (Nankaido).

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The last 30 days · as of

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

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What the record holds

The deadliest was not the strongest: a magnitude 6.9 on January 16, 1995 (8 km S of Akashi, Japan), for which NOAA records 6,434 deaths. NOAA’s list of significant earthquakes has 17 here, back to AD 701. NOAA records deaths in 10 of the events here, 26,458 in all. The latest on NOAA’s list is a magnitude 5.8 on April 12, 2013. NOAA’s record here begins on May 12, 701 with an earthquake (Kyoto Prefecture). It grows thinner going back: 5 of the 17 significant earthquakes NOAA lists here are from 1927 on. NOAA lists 4 tsunamis that began within 100 km of Takamatsu, and 9 from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 28 m, on December 24, 1854. The deadliest here came on December 24, 1854 from a magnitude 8.4 earthquake (Nankaido): NOAA’s runup records count 939 deaths within 100 km of Takamatsu.

The events

  • April 12, 2013Earthquake · M 5.8NOAA NCEI
  • January 16, 1995Earthquake · M 6.98 km S of Akashi, Japan · 6,434 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • December 24, 1854Tsunami · 28 m hereNankaido · 939 deaths here (NOAA)NOAA NCEI · Wikipedia
  • February 22, 1099Earthquake · M 8.4 (est.)NankaidoNOAA NCEI
  • August 26, 887Earthquake · M 8.6 (est.)NankaidoNOAA NCEI
  • May 12, 701Earthquake · M 7.0 (est.)Kyoto PrefectureNOAA NCEI

Good to know

  • An event counts for Takamatsu 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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