3.9
Earthquake Details: southern Ibaraki
Sep 22, 2026, 06:34:00
A magnitude 3.9 earthquake occurred near southern Ibaraki on Sep 22, 2026 at 06:34:00. The seismic event was recorded at a depth of 500 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth500 km
Significance0
Latitude36.2000
Longitude140.0000
Event IDjma:20260922153424
Magnitude3.9
Updated:Sep 22, 2026, 06:37:00 UTC
External Resources
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Time & depth
- Local time
- Sep 22, 2026, 15:34:00 GMT+9
- UTC
- Sep 22, 2026, 06:34:00 UTC
500 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
Nearby major cities
Nearby event sequence · 12
M4.758 km SE of Shima, JapanBeforeM3.6off the coast of MiyagiBeforeM3.5off the coast of IbarakiBeforeM4.5off the coast of FukushimaBeforeM4.4121 km E of Miyako, JapanAfterM2.6off the coast of AkitaAfterM3.7near the east coast of Honshu, JapanAfterM3.0eastern Mino, GifuAfterM3.6northeastern ChibaAfterM4.1near the east coast of Honshu, JapanAfterM2.9Aizu, FukushimaAfterM4.18 km ENE of Kariwa, JapanAfter
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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: Sep 22, 2026, 06:37 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.