4.6
Earthquake Details: off the coast of Ishinomaki, Miyagi, Japan
8/4/2026, 2:00:00 PM
A magnitude 4.6 earthquake occurred near off the coast of Ishinomaki, Miyagi, Japan on 8/4/2026 at 2:00:00 PM. The seismic event was recorded at a depth of 400 km. No tsunami warning was issued.
No Tsunami WarningStatus: reportedType: earthquake
Regional Seismicity
Technical Details
Depth400 km
Significance
Latitude38.3000
Longitude142.2000
Event IDjma:20260804230033
Magnitude4.6
Updated:8/4/2026, 2:04:00 PM
External Resources
View on JMA Official SiteLoading map...
Time & depth
- Local time
- 8/4/2026, 11:00:00 PM GMT+9
- UTC
- 8/4/2026, 2:00:00 PM UTC
400 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
Nearby major cities
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 4, 2026, 02:04 PM 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.