4.0
Earthquake Details: Nago, Okinawa, Japan
8/4/2026, 6:21:00 PM
A magnitude 4.0 earthquake occurred near Nago, Okinawa, Japan on 8/4/2026 at 6:21:00 PM. The seismic event was recorded at a depth of 300 km. No tsunami warning was issued.
No Tsunami WarningStatus: reportedType: earthquake
Regional Seismicity
Technical Details
Depth300 km
Significance
Latitude26.8000
Longitude128.4000
Event IDjma:20260805032144
Magnitude4.0
Updated:8/4/2026, 6:24:00 PM
External Resources
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Time & depth
- Local time
- 8/5/2026, 3:21:00 AM GMT+9
- UTC
- 8/4/2026, 6:21:00 PM UTC
300 km · Intermediate-focus
Between 70 and 300 km deep.
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, 06:24 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.