| 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 4.3
Kōriyama
Japan · 2026-05-05 19:35 UTC
|
112.2 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 |
|
M 4.5
Minami-Sōma
Japan · 2026-03-10 06:28 UTC
|
70.9 km |
|
M 4.3
Iwaki
Japan · 2026-02-15 08:28 UTC
|
8.3 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
100.8 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
149.9 km |
|
M 4.0
Hitachiomiya
Japan · 2026-01-23 21:20 UTC
|
149.7 km |
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