4.0
Earthquake Details: off the coast of Fukushima
Oct 27, 2026, 15:28:00
- Depth
- 80 km
- Felt reports
- No data
Source: JMAUpdated: Oct 27, 2026, 03:31 PM UTC
A magnitude 4.0 earthquake occurred on Oct 27, 2026 at 15:28:00. Epicenter: off the coast of Fukushima. Reported depth: 80 km.
Tsunami information
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Time & depth
- Local time
- Oct 28, 2026, 00:28:00 GMT+9
- UTC
- Oct 27, 2026, 15:28:00 UTC
80 km · Intermediate-focus
Between 70 and 300 km deep.
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Nearby major cities
Nearby earthquakes · 12
M5.45 km ESE of Asahi, JapanAfterM4.46 km N of Asahi, JapanAfterM4.310 km SSE of Hasaki, JapanAfterM4.5141 km E of Miyako, JapanAfterM4.1off the coast of MiyagiAfterM4.151 km ENE of Noda, JapanAfterM4.068 km ENE of Kuji, JapanAfterM4.5223 km SE of Katsuura, JapanAfterM3.6western AichiAfterM4.2118 km E of Miyako, JapanAfterM4.315 km NNE of Semboku, JapanAfterM4.7northeastern ChibaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- JMAM 4
jma:20261028002811
- Depth:
- 80 km
- Time:
- Updated:
- Oct 27, 2026, 03:31 PM UTC
Technical Details
Depth80 km
SignificanceNo data
Latitude37.4000
Longitude141.3000
Event IDjma:20261028002811
Magnitude4.0
Updated:Oct 27, 2026, 15:31:00 UTC
Regional Seismicity
External Resources
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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: Oct 27, 2026, 15:31 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under 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.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).