| Magnitude | 5.8 |
| Alert | Strong |
| Depth | 18.0 km |
| Coordinates | 37.239, 138.608 |
| UTC time | 2004-10-23 09:11:57.420 |
Earthquake details
Saturday, October 23, 2004 Earthquake
The earthquake hit Japan on Saturday, October 23, 2004 at 09:11 UTC with a magnitude of 5.8. The closest known location in the current dataset is Kashiwazaki (Japan - JP), about 15.1 km away. The epicenter is located at longitude 138.608 and latitude 37.239.
| Location | Kashiwazaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 2004-10-23
Closest countries
The 12 closest cities near the epicenter.
| Kashiwazaki | 15.1 km |
| Ojiya | 18.3 km |
| Tōkamachi | 18.3 km |
| Minamiuonuma | 29.3 km |
| Muikamachi | 31.1 km |
| Uonuma | 31.4 km |
| Nagaoka | 31.8 km |
| Jōetsu | 34.5 km |
| Myoko | 39.3 km |
| Mitsuke | 43.6 km |
| Sanjō | 51.8 km |
| Tsubame | 55.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.4
Toyama
Japan · 2026-04-12 23:54 UTC
|
86.1 km |
|
M 4.8
Niigata
Japan · 2026-02-13 04:58 UTC
|
63.2 km |
|
M 4.3
Nagaoka
Japan · 2025-09-15 19:00 UTC
|
52.1 km |
|
M 4.2
Aizu-Wakamatsu
Japan · 2025-06-10 18:14 UTC
|
92.6 km |
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