2
M 4.0 earthquake — Chiba, northwest
2026/10/21 10:04 JST · 2026/10/21 01:04 UTC
Details
- Magnitude
- M 4.0
- Depth
- 70 km
- Epicentre
- Chiba, northwest (千葉県北西部)
- Coordinates
- 35.80°N, 140.10°E
- Max JMA intensity
- 2
- Tsunami
- No tsunami concern
Seismic intensity by prefecture
2Tokyo86 stations
2Saitama56 stations
2Kanagawa54 stations
2Ibaraki42 stations
2Chiba41 stations
1Tochigi13 stations
1Gunma9 stations
1Shizuoka3 stations
1Yamanashi1 station
Data: Japan Meteorological Agency (JMA), relayed by P2P地震情報. Unofficial information — for official warnings follow JMA.