Miyakonojō

Earthquakes near Miyakonojō, 1927–2026

From 1927 to October 19, 2026, USGS recorded 34 earthquakes of magnitude 6 or more within 100 km of Miyakonojō, or 200 km for magnitude 7 and above. 8 of them reached magnitude 7 or more; the strongest was a magnitude 8 on November 18, 1941 (1941 Hyuganada Earthquake).

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The last 30 days · as of

USGS recorded one earthquake of magnitude 4.5 or more within 100 km of Miyakonojō in the last 30 days.

The latest: magnitude 4.5 on October 3 (11 km NNW of Ibusuki, Japan).

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What the record holds

The deadliest was not the strongest: a magnitude 7 on April 15, 2016 (6 km ESE of Kumamoto, Japan), for which NOAA records 273 deaths. 14 earthquakes here in these years are on NOAA’s list of significant earthquakes. NOAA records deaths in 11 of the events here, 295 in all. The ten years with the most magnitude 6+ earthquakes were 1967–1976, with 11 of the 34. The latest on NOAA’s list is a magnitude 6.8 on January 13, 2025 (15 km SE of Miyazaki, Japan). NOAA lists 7 tsunamis that began within 100 km of Miyakonojō, and 7 from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 7.9 m, on December 7, 1944. NOAA lists 7 significant eruptions of 2 volcanoes within 100 km of Miyakonojō. The largest was Aira on October 13, 1955, at 3 on the volcanic explosivity index.

The events

  • January 13, 2025Earthquake · M 6.815 km SE of Miyazaki, JapanUSGS · NOAA NCEI
  • April 15, 2016Earthquake · M 7.06 km ESE of Kumamoto, Japan · 273 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • October 13, 1955Eruption · VEI 3AiraNOAA NCEI · Wikipedia
  • December 7, 1944Tsunami · 7.9 m hereOff Southeast Coast Kii PeninsulaNOAA NCEI · Wikipedia
  • November 18, 1941Earthquake · M 8.01941 Hyuganada Earthquake · 2 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • November 2, 1931Earthquake · M 7.958 km ESE of Takanabe, Japan · one death (NOAA)USGS · NOAA NCEI

Good to know

  • An event counts for Miyakonojō 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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