Earthquake Details: Hyuganada Sea

8/17/2026, 1:33:00 PM

A magnitude 3.7 earthquake occurred near Hyuganada Sea on 8/17/2026 at 1:33:00 PM. The seismic event was recorded at a depth of 100 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

Japan Miyazaki Miyazaki (Nearest City)

Technical Details

Depth100 km

Significance0

Latitude32.0000

Longitude131.9000

Event IDjma:20260817223317

Magnitude3.7

Updated:8/17/2026, 1:36:00 PM

External Resources

View on JMA Official Site

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Time & depth

Local time: 8/17/2026, 10:33:00 PM GMT+9
UTC: 8/17/2026, 1:33:00 PM UTC

100 km · Intermediate-focus

Between 70 and 300 km deep.

Nearby major cities

Nearby event sequence · 12

M3.4Kumamoto region, KumamotoBefore8/15/2026, 7:25:00 PM M3.6Kumamoto region, KumamotoBefore8/16/2026, 3:04:00 AM M4.1Hyuganada SeaBefore8/16/2026, 4:37:00 AM M3.3Amakusanada SeaBefore8/16/2026, 12:25:00 PM M3.0Amakusanada SeaBefore8/16/2026, 12:42:00 PM M3.0Amakusanada SeaBefore8/16/2026, 3:22:00 PM M4.4Fukuoka region, FukuokaBefore8/16/2026, 9:37:00 PM M4.1Hyuganada SeaBefore8/17/2026, 3:06:00 AM M3.5Kumamoto region, KumamotoBefore8/17/2026, 6:39:00 AM M5.0near the south coast of western HonshuBefore8/17/2026, 7:36:18 AM M3.2Amakusanada SeaBefore8/17/2026, 10:36:00 AM M3.2Kumamoto region, KumamotoAfter8/17/2026, 2:09:00 PM

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 17, 2026, 01:36 PM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.