4.3
Earthquake Details: off the coast of Sanriku
Oct 2, 2026, 20:34:00
A magnitude 4.3 earthquake occurred near off the coast of Sanriku on Oct 2, 2026 at 20:34:00. The seismic event was recorded at a depth of 100 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth100 km
Significance0
Latitude39.9000
Longitude143.1000
Event IDjma:20261003053459
Magnitude4.3
Updated:Oct 2, 2026, 20:38:00 UTC
External Resources
View on JMA Official SiteLoading map...
Time & depth
- Local time
- Oct 3, 2026, 05:34:00 GMT+9
- UTC
- Oct 2, 2026, 20:34:00 UTC
100 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 4
You may also find these tools useful
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 2, 2026, 20:38 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.