Seismic-like event, possible earthquake, reported few minutes ago near Minamiuonuma, Niigata, Japan
Unconfirmed quake or seismic-like event reported: Niigata, 12 km east of Sendai, Miyagi, Japan, 4 minutes ago

We are receiving unverified early reports of ground shaking possibly caused by seismic activity in or near Minamiuonuma, Niigata, Japan on 28 Feb 2026 (GMT) at approximately 13:34 GMT.
There are no details yet on the magnitude or depth of this possible quake. If confirmed, we can expect more accurate data to emerge in the next few minutes. The location, magnitude and time mentioned are indicative, based on our best-fit seismic model. They are temporary until our AllQuakes monitoring service receives more exact scientific data from a national or international seismological agency. Check back here shortly and stay safe.


Earthquake data:
Date & time: Feb 28, 2026 10:34 pm (GMT +9) local time (28 Feb 2026 13:34 GMT)
Magnitude: unspecified
Depth: unspecified
Epicenter latitude / longitude: 38.25°N / 141.01°E (Niigata, Japan)
Primary data source: VolcanoDiscovery
https://www.volcanodiscovery.com/earthquake/news/296265/Seismic-like-event-possible-earthquake-reported-few-minutes-ago-near-Minamiuonuma-Niigata-Japan.html