4.6
Earthquake Details: 124 km ESE of Iwaki, Japan
Oct 8, 2026, 04:41:59
- Depth
- 45.52 km
- Felt reports
- No data
Source: USGSUpdated: Oct 14, 2026, 01:12 AM UTC
A magnitude 4.6 earthquake occurred on Oct 8, 2026 at 04:41:59. Epicenter: 124 km ESE of Iwaki, Japan. Reported depth: 45.52 km.
Tsunami information
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Time & depth
- Local time
- Oct 8, 2026, 13:41:59 GMT+9
- UTC
- Oct 8, 2026, 04:41:59 UTC
45.52 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Nearby earthquakes · 11
M3.6off the coast of IwateAfterM2.8southern NaganoAfterM2.2Adjacent Sea of Niijima Island, Kozushima IslandAfterM4.1103 km ENE of Noda, JapanAfterM3.6off the coast of MiyagiAfterM4.6near the east coast of Honshu, JapanAfterM2.8southern NaganoAfterM4.36 km ESE of Tōgane-shi, JapanAfterM4.354 km E of Miyako, JapanAfterM3.5off the coast of MiyagiAfterM4.145 km SSE of Ōfunato, JapanAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 4.6
us6000u0w9
- Depth:
- 45.52 km
- Time:
- Updated:
- Oct 14, 2026, 01:12 AM UTC
Technical Details
Depth45.52 km
Significance326
Latitude36.7526
Longitude142.2259
Event IDus6000u0w9
Magnitude4.6
Updated:Oct 14, 2026, 01:12:42 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 14, 2026, 01:12 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.