4.1
Earthquake Details: off the east coast of Aomori
Oct 8, 2026, 19:23:00
A magnitude 4.1 earthquake occurred near off the east coast of Aomori on Oct 8, 2026 at 19:23:00. The seismic event was recorded at a depth of 300 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth300 km
Significance0
Latitude40.5000
Longitude142.9000
Event IDjma:20261009042307
Magnitude4.1
Updated:Oct 8, 2026, 19:26:00 UTC
External Resources
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Time & depth
- Local time
- Oct 9, 2026, 04:23:00 GMT+9
- UTC
- Oct 8, 2026, 19:23:00 UTC
300 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 11
M3.6off the coast of UrakawaBeforeM4.1off the coast of FukushimaBeforeM4.2101 km ENE of Noda, JapanBeforeM4.0northern IbarakiBeforeM3.8Off the southeast Coast of the Nemuro PeninsulaBeforeM4.5off the east coast of Honshu, JapanBeforeM3.6off the coast of IwateBeforeM3.3Off the southeast Coast of the Nemuro PeninsulaAfterM4.2195 km WSW of Fukaura, JapanAfterM3.7Off the southeast Coast of the Nemuro PeninsulaAfterM3.6off the coast of MiyagiAfter
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Oct 8, 2026, 19:26 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.