2.7
Earthquake Details: northeastern Chiba
Sep 27, 2026, 16:59:00
A magnitude 2.7 earthquake occurred near northeastern Chiba on Sep 27, 2026 at 16:59:00. 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
Latitude35.5000
Longitude140.4000
Event IDjma:20260928015903
Magnitude2.7
Updated:Sep 27, 2026, 17:01:00 UTC
External Resources
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Time & depth
- Local time
- Sep 28, 2026, 01:59:00 GMT+9
- UTC
- Sep 27, 2026, 16:59:00 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 · 12
M2.9Aizu, FukushimaBeforeM4.18 km ENE of Kariwa, JapanBeforeM3.2Ise BayBeforeM2.7northern IbarakiBeforeM3.8northeastern ChibaBeforeM2.9Aizu, FukushimaAfterM3.5off the coast of MiyagiAfterM4.3Izu Islands, Japan regionAfterM4.3near the south coast of Honshu, JapanAfterM4.9near the south coast of Honshu, JapanAfterM2.6southern WakayamaAfterM3.0northeastern ChibaAfter
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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 27, 2026, 17:01 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.