4.6

Earthquake Details: 203 km SSE of Tateyama, Japan

Oct 27, 2026, 01:17:53

Depth
66.72 km
Felt reports
No data
Source: USGSUpdated: Oct 27, 2026, 01:41 AM UTC

A magnitude 4.6 earthquake occurred on Oct 27, 2026 at 01:17:53. Epicenter: 203 km SSE of Tateyama, Japan. Reported depth: 66.72 km.

Tsunami information

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Time & depth

Local time
Oct 27, 2026, 10:17:53 GMT+9
UTC
Oct 27, 2026, 01:17:53 UTC
66.72 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

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Nearby major cities

Tateyama
204 km N
Minamibōsō
207 km N
Kamogawa
209 km N
Isumi
218 km N
Nearby earthquakes · 6
M3.8northern IbarakiBeforeM3.2Aizu, FukushimaBeforeM3.1northeastern ChibaBeforeM4.654 km E of Tomioka, JapanBeforeM2.6northeastern ChibaAfterM4.0off the coast of FukushimaAfter

Agency measurements

Agencies may use different observations and magnitude scales, and initial estimates can change.

  • GFZ / GEOFONmb 4.97

    geofon:gfz2026vajz

    Depth:
    26.6 km
    Status:
    Reviewed
    Time:
    Updated:
    Oct 27, 2026, 10:54 AM UTC
  • USGSM 4.6

    us7000tte0

    Depth:
    66.72 km
    Time:
    Updated:
    Oct 27, 2026, 01:41 AM UTC

Technical Details

Depth66.72 km
Significance326
Latitude33.2845
Longitude140.7128
Event IDus7000tte0
Magnitude4.6
Updated:Oct 27, 2026, 01:41:11 UTC

Regional Seismicity

View recent seismic activity near this event:

JapanChibaTateyama (Nearest City)

External Resources

YouTube · Earthquake LiveView on USGS Official SiteView on GFZ / GEOFON Official Site

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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, 01:41 UTC.

Data sources: