4.4
Earthquake Details: 50 km NW of Amagi, Japan
Aug 22, 2026, 18:44:57
A magnitude 4.4 earthquake occurred near 50 km NW of Amagi, Japan on Aug 22, 2026 at 18:44:57. The seismic event was recorded at a depth of 90.81 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth90.81 km
Significance298
Latitude28.1901
Longitude128.6145
Event IDus6000tmtp
Magnitude4.4
Updated:Aug 22, 2026, 19:40:32 UTC
External Resources
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Time & depth
- Local time
- Aug 23, 2026, 03:44:57 GMT+9
- UTC
- Aug 22, 2026, 18:44:57 UTC
90.81 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 10
M2.1Satsuma region, Kagoshima PrefectureBeforeM4.26 km W of Onna, JapanBeforeM2.2Amakusa and Ashikita region, Kumamoto PrefectureAfterM2.6Amakusa and Ashikita region, Kumamoto PrefectureAfterM4.976 km SE of Taira, JapanAfterM3.6Adjacent Sea of Okinawa Main IslandAfterM2.3Amakusa and Ashikita region, Kumamoto PrefectureAfterM2.3Amakusa and Ashikita region, Kumamoto PrefectureAfterM2.6Adjacent Sea of Okinawa Main IslandAfterM2.7Adjacent Sea of Okinawa Main IslandAfter
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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 22, 2026, 19:40 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.