Earthquake — Japan: Off Northeast Coast Honshu

When

20 Apr 2026

Kind

Earthquake

Magnitude

7.4

Where

Japan

Coordinates

39.95° N, 143.05° E

Injuries

10

Depth km

35

Earthquake off the coast of Iwate Prefecture, Japan

On 20 April 2026 at 16:53 JST, a MJMA 7.5 earthquake struck off the Sanriku Coast of Honshu, Japan, along the Japan Trench. The earthquake caused strong shaking in Iwate and Aomori, with a maximum intensity of 5-upper (5+) on the Japan Meteorological Agency seismic intensity scale, recorded in Hashikami, Aomori.

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• NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page
• Wikipedia year pages (English), by Wikipedia contributorsWikipedia contributors · names it “A magnitude 7.7 earthquake hits off the Sanriku Coast, triggering up to 80 cm tsunamis and injuring six people”Creative Commons Attribution-ShareAlike 4.0Source page
• Wikipedia year pages (Spanish), by Wikipedia contributorsWikipedia contributors · names it “En la isla Honshu, (Japón) un terremoto de 7.4 sacude a la misma, dejando un saldo de 6 heridos”Creative Commons Attribution-ShareAlike 4.0Source page

• Tsunami — Off Northeast Coast Honshu20 Apr 2026 · Tsunami