Kushiro

Earthquakes near Kushiro through history

From 1900 to October 19, 2026, USGS recorded 44 earthquakes of magnitude 6 or more within 100 km of Kushiro, or 200 km for magnitude 7 and above. 13 of them reached magnitude 7 or more; the strongest on either list was an estimated magnitude 8.4 on April 25, 1843 (Hokkaido: Yezo, Kushiro, Nemuro).

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The last 30 days · as of

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

The latest: magnitude 4.5 on October 12 (53 km S of Kushiro, Japan).

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What the record holds

It was also the deadliest: NOAA records 45 deaths for it. NOAA’s list of significant earthquakes has 19 here, back to 1839. NOAA records deaths in 7 of the events here, 111 in all. The latest on NOAA’s list is a magnitude 6.8 on December 6, 2004 (54 km SSW of Nemuro, Japan). NOAA’s record here begins on May 1, 1839 with an earthquake. 7 of the 19 significant earthquakes NOAA lists here came before 1927. NOAA lists 3 tsunamis that began within 100 km of Kushiro, and 13 from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 6.54 m, on March 4, 1952. The deadliest here came on April 25, 1843 from a magnitude 8.4 earthquake (Se. Hokkaido Island): NOAA’s runup records count 45 deaths within 100 km of Kushiro.

The events

  • December 6, 2004Earthquake · M 6.854 km SSW of Nemuro, JapanUSGS · NOAA NCEI
  • September 25, 2003Earthquake · M 8.22003 Tokachi-Oki Earthquake · 2 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • March 4, 1952Tsunami · 6.54 m hereSe. Hokkaido IslandNOAA NCEI
  • April 25, 1843Earthquake · M 8.4 (est.)Hokkaido: Yezo, Kushiro, Nemuro · 45 deaths (NOAA)NOAA NCEI · Wikipedia
  • April 25, 1843Tsunami · 4.5 m hereSe. Hokkaido Island · 45 deaths here (NOAA)NOAA NCEI · Wikipedia
  • May 1, 1839Earthquake · M 7.3 (est.)NOAA NCEI

Good to know

  • An event counts for Kushiro 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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