6.1
Earthquake Details: off the coast of Sanriku
Aug 26, 2026, 19:21:00
A magnitude 6.1 earthquake occurred near off the coast of Sanriku on Aug 26, 2026 at 19:21:00. 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
Latitude38.1000
Longitude143.9000
Event IDjma:20260827042149
Magnitude6.1
Updated:Aug 26, 2026, 19:26:00 UTC
External Resources
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Time & depth
- Local time
- Aug 27, 2026, 04:21:00 GMT+9
- UTC
- Aug 26, 2026, 19:21:00 UTC
100 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 12
M4.0off the coast of Fukushima PrefectureAfterM4.6off the east coast of Aomori PrefectureAfterM4.4off the coast of UrakawaAfterM4.3off the coast of Iwate PrefectureAfterM4.7off the coast of SanrikuAfterM3.2Northern Gunma PrefectureAfterM3.3Northeastern Chiba PrefectureAfterM4.8off the east coast of Chiba PrefectureAfterM4.0off the coast of UrakawaAfterM3.3Nakadori, Fukushima PrefectureAfterM4.1off the coast of UrakawaAfterM4.3Hokkaido, Japan regionAfter
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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: Aug 26, 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.