3.4
Earthquake Details: off the coast of Miyako, Iwate, Japan
Sep 28, 2026, 01:50:00
A magnitude 3.4 earthquake occurred near off the coast of Miyako, Iwate, Japan on Sep 28, 2026 at 01:50:00. 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
Latitude39.9000
Longitude142.4000
Event IDjma:20260928105004
Magnitude3.4
Updated:Sep 28, 2026, 01:52:00 UTC
External Resources
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Time & depth
- Local time
- Sep 28, 2026, 10:50:00 GMT+9
- UTC
- Sep 28, 2026, 01:50:00 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 · 11
M2.5Nakadori, FukushimaBeforeM4.18 km ENE of Kariwa, JapanBeforeM2.7northern IbarakiBeforeM3.8northeastern ChibaBeforeM3.5off the coast of UrakawaBeforeM3.3off the coast of IwateAfterM2.9Aizu, FukushimaAfterM3.5off the coast of MiyagiAfterM4.9near the south coast of Honshu, JapanAfterM4.4102 km E of Miyako, JapanAfterM3.0northeastern 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 28, 2026, 01:52 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.