| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 23.3 km |
| Coordinates | 37.447, 137.865 |
| UTC time | 1987-03-24 12:49:47.020 |
Earthquake details
Tuesday, March 24, 1987 Earthquake
The earthquake hit Japan on Tuesday, March 24, 1987 at 12:49 UTC with a magnitude of 5.7. The closest known location in the current dataset is Itoigawa (Japan - JP), about 46.1 km away. The epicenter is located at longitude 137.865 and latitude 37.447.
| Location | Jōetsu |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1987-03-24
Closest countries
The 12 closest cities near the epicenter.
| Itoigawa | 46.1 km |
| Jōetsu | 46.8 km |
| Myoko | 58.3 km |
| Kashiwazaki | 61.2 km |
| Kurobe-shi | 71.1 km |
| Sado | 77.7 km |
| Uozu | 83.0 km |
| Ojiya | 84.3 km |
| Nagaoka | 87.1 km |
| Tōkamachi | 87.2 km |
| Namerikawa | 88.6 km |
| Nakano | 89.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.9
Chikuma
Japan · 2026-04-18 05:54 UTC
|
101.1 km |
|
M 4.9
Chikuma
Japan · 2026-04-18 04:20 UTC
|
99.9 km |
|
M 4.4
Toyama
Japan · 2026-04-12 23:54 UTC
|
16.7 km |
|
M 4.8
Niigata
Japan · 2026-02-13 04:58 UTC
|
95.9 km |
|
M 4.4
Nanao
Japan · 2026-01-12 20:09 UTC
|
52.0 km |
|
M 4.3
Nagaoka
Japan · 2025-09-15 19:00 UTC
|
89.3 km |
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