4.2
Earthquake Details: off the coast of Funaishikawa, Ibaraki, Japan
8/20/2026, 5:28:00 AM
A magnitude 4.2 earthquake occurred near off the coast of Funaishikawa, Ibaraki, Japan on 8/20/2026 at 5:28:00 AM. The seismic event was recorded at a depth of 400 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth400 km
Significance0
Latitude36.4000
Longitude140.9000
Event IDjma:20260820142845
Magnitude4.2
Updated:8/20/2026, 5:32:00 AM
External Resources
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Time & depth
- Local time
- 8/20/2026, 2:28:00 PM GMT+9
- UTC
- 8/20/2026, 5:28:00 AM UTC
400 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
Nearby major cities
Nearby event sequence · 1
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 20, 2026, 05:32 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.