4.6
Earthquake Details: Off the northwest Coast of Amami- Oshima Island
8/19/2026, 11:43:00 AM
A magnitude 4.6 earthquake occurred near Off the northwest Coast of Amami- Oshima Island on 8/19/2026 at 11:43:00 AM. The seismic event was recorded at a depth of 2000 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth2000 km
Significance0
Latitude29.0000
Longitude127.9000
Event IDjma:20260819204359
Magnitude4.6
Updated:8/19/2026, 11:47:00 AM
External Resources
View on JMA Official SiteLoading map...
Time & depth
- Local time
- 8/19/2026, 8:43:00 PM GMT+9
- UTC
- 8/19/2026, 11:43:00 AM UTC
2,000 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
Nearby major cities
Nearby event sequence · 12
M3.3Amakusanada SeaBeforeM3.0Amakusanada SeaBeforeM3.0Amakusanada SeaBeforeM4.1Hyuganada SeaBeforeM3.5Kumamoto region, KumamotoBeforeM3.2Kyushu, JapanBeforeM3.2Kumamoto region, KumamotoBeforeM3.7Amakusa and Ashikita region, KumamotoBeforeM4.0Amakusa and Ashikita region, KumamotoBeforeM2.9Amakusa and Ashikita region, KumamotoBeforeM3.8Amakusa and Ashikita region, KumamotoBeforeM2.7Amakusa and Ashikita region, KumamotoAfter
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 19, 2026, 11:47 AM 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.