| Magnitude | 6.0 |
| Alert | Severe |
| Depth | 14.1 km |
| Coordinates | 37.284, 138.885 |
| UTC time | 2004-10-27 01:40:50.260 |
Earthquake details
Wednesday, October 27, 2004 Earthquake
The earthquake hit Japan on Wednesday, October 27, 2004 at 01:40 UTC with a magnitude of 6.0. The closest known location in the current dataset is Ojiya (Japan - JP), about 7.7 km away. The epicenter is located at longitude 138.885 and latitude 37.284.
| Location | Nagaoka |
| Country | Japan (JP) |
| Severity | Severe |
Earthquake map 2004-10-27
Closest countries
The 12 closest cities near the epicenter.
| Ojiya | 7.7 km |
| Uonuma | 8.1 km |
| Nagaoka | 18.7 km |
| Tōkamachi | 19.8 km |
| Minamiuonuma | 22.4 km |
| Muikamachi | 24.2 km |
| Mitsuke | 28.1 km |
| Kashiwazaki | 31.0 km |
| Sanjō | 37.5 km |
| Tsubame | 42.5 km |
| Maki | 51.9 km |
| Shirone | 54.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.8
Niigata
Japan · 2026-02-13 04:58 UTC
|
53.5 km |
|
M 4.3
Nagaoka
Japan · 2025-09-15 19:00 UTC
|
43.1 km |
|
M 4.2
Aizu-Wakamatsu
Japan · 2025-06-10 18:14 UTC
|
67.9 km |
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