| Magnitude | 6.7 |
| Alert | Severe |
| Depth | 29.4 km |
| Coordinates | 37.363, 141.796 |
| UTC time | 1987-04-07 00:40:43.400 |
Earthquake details
Tuesday, April 7, 1987 Earthquake
The earthquake hit Japan on Tuesday, April 7, 1987 at 00:40 UTC with a magnitude of 6.7. The closest known location in the current dataset is Minami-Sōma (Japan - JP), about 78.0 km away. The epicenter is located at longitude 141.796 and latitude 37.363.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Severe |
Earthquake map 1987-04-07
Closest countries
The 12 closest cities near the epicenter.
| Minami-Sōma | 78.0 km |
| Iwaki | 88.1 km |
| Sōma | 90.2 km |
| Tamura | 105.7 km |
| Watari | 111.9 km |
| Kitaibaraki | 113.0 km |
| Kakuda | 113.0 km |
| Iwanuma | 116.7 km |
| Natori-shi | 120.2 km |
| Nihommatsu | 122.9 km |
| Motomiya | 124.5 km |
| Fukushima | 125.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Hitachi
Japan · 2026-08-07 18:41 UTC
122.0 km
M 4.4
Iwaki
Japan · 2026-07-22 11:11 UTC
21.9 km
M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
15.1 km
M 4.3
Shirakawa
Japan · 2026-06-01 15:51 UTC
117.8 km
M 4.2
Hitachi
Japan · 2026-05-24 06:08 UTC
143.1 km
M 4.1
Mito
Japan · 2026-05-22 12:39 UTC
164.1 km
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
14.6 km
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
42.6 km
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