| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 48.5 km |
| Coordinates | 36.957, 141.603 |
| UTC time | 1987-02-28 06:52:03.480 |
Earthquake details
Saturday, February 28, 1987 Earthquake
The earthquake hit Japan on Saturday, February 28, 1987 at 06:52 UTC with a magnitude of 5.6. The closest known location in the current dataset is Iwaki (Japan - JP), about 64.8 km away. The epicenter is located at longitude 141.603 and latitude 36.957.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1987-02-28
Closest countries
The 12 closest cities near the epicenter.
| Iwaki | 64.8 km |
| Kitaibaraki | 78.4 km |
| Minami-Sōma | 93.0 km |
| Hitachi | 93.8 km |
| Tamura | 103.1 km |
| Hitachi-ota | 106.0 km |
| Funaishikawa | 107.4 km |
| Sōma | 110.5 km |
| Inada | 113.1 km |
| Hitachi-Naka | 114.0 km |
| Sukagawa | 114.2 km |
| Katsuta | 114.9 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Hitachi
Japan · 2026-08-07 18:41 UTC
86.2 km
M 4.4
Iwaki
Japan · 2026-07-22 11:11 UTC
27.6 km
M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
46.8 km
M 4.3
Shirakawa
Japan · 2026-06-01 15:51 UTC
97.3 km
M 4.2
Hitachi
Japan · 2026-05-24 06:08 UTC
107.6 km
M 4.1
Mito
Japan · 2026-05-22 12:39 UTC
124.9 km
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
61.8 km
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
37.6 km
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