| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 33.5 km |
| Coordinates | 34.659, 141.626 |
| UTC time | 1999-10-30 00:48:37.630 |
Earthquake details
Saturday, October 30, 1999 Earthquake
The earthquake hit Japan on Saturday, October 30, 1999 at 00:48 UTC with a magnitude of 5.2. The closest known location in the current dataset is Isumi (Japan - JP), about 128.3 km away. The epicenter is located at longitude 141.626 and latitude 34.659.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1999-10-30
Closest countries
The 12 closest cities near the epicenter.
| Isumi | 128.3 km |
| Hasaki | 139.6 km |
| Asahi | 147.5 km |
| Kamogawa | 147.6 km |
| Mobara | 148.2 km |
| Ōamishirasato | 149.9 km |
| Tōgane | 151.6 km |
| Yōkaichiba | 151.7 km |
| Ōami | 152.8 km |
| Sōsa | 152.8 km |
| Sanmu | 154.0 km |
| Minamibōsō | 160.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.5
Chiba
Japan · 2026-10-21 01:04 UTC
190.6 km
M 5.3
Narita
Japan · 2026-10-01 12:27 UTC
151.7 km
M 4.9
Saitama
Japan · 2026-09-28 19:45 UTC
230.4 km
M 5.0
Kashiwa
Japan · 2026-09-16 15:07 UTC
212.9 km
M 4.7
Hasaki
Japan · 2026-08-29 15:17 UTC
139.6 km
M 5.8
Matsudo
Japan · 2026-08-22 17:00 UTC
199.9 km
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
132.3 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
154.1 km
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