Unconfirmed quake or seismic-like event reported: 4.1 km southeast of Tokyo, Tokyo, Japan, 4 minutes agoWe are receiving unverified early reports of ground shaking possibly caused by seismic activity in or near Tokyo, Tokyo, Japan, on 21 Oct 2026 (GMT) at approximately 01:04 GMT.There are no details yet about the magnitude or depth of this possible quake. If confirmed, more accurate data is expected 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: Oct 21, 2026 10:04 am (GMT +9) local time (21 Oct 2026 01:04 GMT)Magnitude: unspecifiedHypocenter depth: unspecifiedEpicenter coordinates: 35.67°N / 139.73°E (Tokyo, Japan)Primary data source: VolcanoDiscovery