4.3
Earthquake Details: 12 km from Katagami, Akita, Japan
8/8/2026, 6:59:50 AM
A magnitude 4.3 earthquake occurred near 12 km from Katagami, Akita, Japan on 8/8/2026 at 6:59:50 AM. The seismic event was recorded at a depth of -173.1 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth-173.1 km
Significance
Latitude39.9436
Longitude140.1099
Event IDemsc:20260808_0000202
Magnitude4.3
Updated:8/8/2026, 3:15:15 PM
External Resources
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Time & depth
- Local time
- 8/8/2026, 3:59:50 PM GMT+9
- UTC
- 8/8/2026, 6:59:50 AM UTC
-173.1 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 11
M4.5off the coast of UrakawaAfterM2.5Chuetsu, NiigataAfterM3.5off the coast of IwateAfterM2.8off the coast of IwateAfterM3.4off the coast of Noto PeninsulaAfterM2.8northeastern ChibaAfterM2.8northern TochigiAfterM4.378 km E of Noda, JapanAfterM3.6southern GunmaAfterM3.1off the coast of UrakawaAfterM4.5off the coast of FukushimaAfter
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: Aug 8, 2026, 03:15 PM 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.