| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 43.2 km |
| Coordinates | 37.306, 141.615 |
| UTC time | 1987-10-04 10:27:20.260 |
Earthquake details
Sunday, October 4, 1987 Earthquake
The earthquake hit Japan on Sunday, October 4, 1987 at 10:27 UTC with a magnitude of 5.7. The closest known location in the current dataset is Minami-Sōma (Japan - JP), about 66.7 km away. The epicenter is located at longitude 141.615 and latitude 37.306.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1987-10-04
Closest countries
The 12 closest cities near the epicenter.
| Minami-Sōma | 66.7 km |
| Iwaki | 70.9 km |
| Sōma | 81.2 km |
| Tamura | 90.6 km |
| Kitaibaraki | 96.2 km |
| Kakuda | 105.2 km |
| Watari | 105.4 km |
| Nihommatsu | 108.9 km |
| Sukagawa | 109.1 km |
| Kōriyama | 109.5 km |
| Motomiya | 109.8 km |
| Iwanuma | 111.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.7
Minami-Sōma
Japan · 2026-05-07 23:31 UTC
|
38.3 km |
|
M 4.3
Kōriyama
Japan · 2026-05-05 19:35 UTC
|
97.9 km |
|
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
|
25.8 km |
|
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
|
25.4 km |
|
M 4.5
Minami-Sōma
Japan · 2026-03-10 06:28 UTC
|
56.8 km |
|
M 4.3
Iwaki
Japan · 2026-02-15 08:28 UTC
|
25.1 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
85.7 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
134.8 km |
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