4.9
Earthquake Details: 12 km NNW of Ōmachi, Japan
4/18/2026, 4:20:05 AM
A magnitude 4.9 earthquake occurred near 12 km NNW of Ōmachi, Japan on 4/18/2026 at 4:20:05 AM. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth10 km
Significance371
Latitude36.5963
Longitude137.8008
Event IDus6000sr1y
Magnitude4.9
Updated:7/3/2026, 1:38:05 AM
External Resources
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Time & depth
- Local time
- 4/18/2026, 1:20:05 PM GMT+9
- UTC
- 4/18/2026, 4:20:05 AM UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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: Jul 3, 2026, 01:38 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.