| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 79.9 km |
| Coordinates | 35.630, 139.968 |
| UTC time | 2003-08-18 09:59:40.120 |
Earthquake details
Monday, August 18, 2003 Earthquake
The earthquake hit Japan on Monday, August 18, 2003 at 09:59 UTC with a magnitude of 5.0. The closest known location in the current dataset is Urayasu (Japan - JP), about 6.9 km away. The epicenter is located at longitude 139.968 and latitude 35.630.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 2003-08-18
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
52.2 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
64.5 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
11.2 km
M 5.2
Sagamihara
Japan · 2026-06-26 13:29 UTC
89.9 km
M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
45.3 km
M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
80.1 km
M 5.8
Kamisu
Japan · 2026-06-26 03:46 UTC
55.4 km
M 4.3
Saitama
Japan · 2026-06-26 02:48 UTC
37.4 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.