| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 60.8 km |
| Coordinates | 37.493, 141.479 |
| UTC time | 1987-04-20 10:09:11.470 |
Earthquake details
Monday, April 20, 1987 Earthquake
The earthquake hit Japan on Monday, April 20, 1987 at 10:09 UTC with a magnitude of 5.0. The closest known location in the current dataset is Minami-Sōma (Japan - JP), about 46.7 km away. The epicenter is located at longitude 141.479 and latitude 37.493.
| Location | Minami-Sōma |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1987-04-20
Closest countries
The 12 closest cities near the epicenter.
| Minami-Sōma | 46.7 km |
| Sōma | 58.8 km |
| Iwaki | 72.2 km |
| Tamura | 77.7 km |
| Watari | 81.8 km |
| Kakuda | 82.1 km |
| Iwanuma | 87.2 km |
| Natori-shi | 91.5 km |
| Nihommatsu | 92.8 km |
| Date | 93.5 km |
| Fukushima | 93.7 km |
| Shiroishi | 94.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.4
Iwaki
Japan · 2026-07-22 11:11 UTC
35.8 km
M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
46.5 km
M 4.0
Ishinomaki
Japan · 2026-06-16 16:06 UTC
57.6 km
M 4.3
Sendai
Japan · 2026-06-12 19:49 UTC
88.9 km
M 4.4
Ishinomaki
Japan · 2026-06-08 22:26 UTC
42.0 km
M 4.3
Shirakawa
Japan · 2026-06-01 15:51 UTC
97.1 km
M 4.6
Ishinomaki
Japan · 2026-04-12 13:00 UTC
93.8 km
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
27.1 km
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