4.3
Earthquake Details: 10 km SSE of Hasaki, Japan
Oct 28, 2026, 20:22:30
- Depth
- 26.03 km
- Felt reports
- No data
Source: USGSUpdated: Oct 28, 2026, 10:23 PM UTC
A magnitude 4.3 earthquake occurred on Oct 28, 2026 at 20:22:30. Epicenter: 10 km SSE of Hasaki, Japan. Reported depth: 26.03 km.
Tsunami information
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Time & depth
- Local time
- Oct 29, 2026, 05:22:30 GMT+9
- UTC
- Oct 28, 2026, 20:22:30 UTC
26.03 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
M3.2Aizu, FukushimaBeforeM3.1northeastern ChibaBeforeM4.654 km E of Tomioka, JapanBeforeM4.6203 km SSE of Tateyama, JapanBeforeM2.6northeastern ChibaBeforeM4.0off the coast of FukushimaBeforeM5.45 km ESE of Asahi, JapanBeforeM3.1northern IbarakiBeforeM4.46 km N of Asahi, JapanBeforeM3.5northeastern ChibaBeforeM2.3Hida, GifuAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 4.3
us7000ttts
- Depth:
- 26.03 km
- Time:
- Updated:
- Oct 28, 2026, 10:23 PM UTC
Technical Details
Depth26.03 km
Significance284
Latitude35.6474
Longitude140.8850
Event IDus7000ttts
Magnitude4.3
Updated:Oct 28, 2026, 22:23:44 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 28, 2026, 22:23 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).