4.6
Earthquake Details: off the east coast of Kuji, Iwate, Japan
Aug 27, 2026, 19:54:00
A magnitude 4.6 earthquake occurred near off the east coast of Kuji, Iwate, Japan on Aug 27, 2026 at 19:54:00. The seismic event was recorded at a depth of 500 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth500 km
Significance0
Latitude40.6000
Longitude142.3000
Event IDjma:20260828045449
Magnitude4.6
Updated:Aug 27, 2026, 19:58:00 UTC
External Resources
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Time & depth
- Local time
- Aug 28, 2026, 04:54:00 GMT+9
- UTC
- Aug 27, 2026, 19:54:00 UTC
500 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
Nearby major cities
Nearby event sequence · 11
M4.8Off the southeast Coast of the Nemuro PeninsulaBeforeM4.5off the coast of Fukushima PrefectureBeforeM4.8147 km E of Miyako, JapanBeforeM6.1off the coast of SanrikuBeforeM4.0off the coast of Fukushima PrefectureBeforeM4.4off the coast of UrakawaAfterM4.3off the coast of Iwate PrefectureAfterM4.7off the coast of SanrikuAfterM3.7off the west coast of Aomori PrefectureAfterM3.2Northern Gunma PrefectureAfterM4.0186 km SE of Terney, RussiaAfter
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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 27, 2026, 19:58 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.