M7.4 earthquake in Japan on April 20, 2026

Strong M7.4 quake: April 20, 2026, 07:52 UTC, epicenter 102 km northeast of Miyako. The rupture began 25 km below the surface. It was a shallow quake, and shallow quakes are usually felt most strongly at the surface.

7.4magnitude
25 kmdepth
07:52time UTC
greenUSGS alert
Live earthquake map →

Key facts

138 people reported feeling it to USGS. The USGS PAGER system issued a green alert, expecting little impact. USGS flagged the event as an oceanic-region earthquake. Regional tsunami warning centers publish any tsunami information.

Nearest cities

  • Ōshū (Japan)187 km
  • Ichinoseki (Japan)203 km
  • Ishinomaki (Japan)230 km
  • Hirosaki (Japan)230 km
  • Ōsaki (Japan)236 km

Did you feel an earthquake?

Report it to seismologists. These reports help work out quickly where the shaking was strongest. It takes a minute.

Report to USGS (Did You Feel It?)Report to EMSC (LastQuake)

Aftershocks

Since then USGS has recorded 83 quakes of magnitude 4.5 or more within 150 km, the strongest M6.9.

  • M6.9 · Jun 24, 22:30 UTC81 km
  • M6.7 · May 15, 11:22 UTC139 km
  • M6.0 · Jul 1, 12:08 UTC59 km
  • M6.0 · Apr 20, 07:56 UTC23 km
  • M5.8 · Jun 27, 20:21 UTC62 km
  • M5.5 · Aug 8, 17:57 UTC65 km
  • M5.5 · Apr 21, 18:44 UTC24 km
  • M5.4 · Apr 20, 08:33 UTC58 km

Regional history

Since 1976 there have been 180 earthquakes of magnitude 6 or more within 300 km. The strongest was M9.1 (March 11, 2011).

  • M9.1 · March 11, 2011195 km
  • M8.2 · September 25, 2003217 km
  • M7.8 · December 28, 199469 km
  • M7.7 · June 12, 1978217 km
  • M7.7 · March 11, 2011250 km

See also

Live earthquake mapAll earthquakes todayEarthquakes in JapanWeather in ŌshūEvent details at USGS

Source: USGS Earthquake Hazards Program (public domain). Seismologists may still revise the data. Data from Oct 22, 10:30 UTC.