| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 38.9 km |
| Coordinates | 36.953, 142.669 |
| UTC time | 1987-07-11 13:31:44.520 |
Earthquake details
Saturday, July 11, 1987 Earthquake
The earthquake hit Japan on Saturday, July 11, 1987 at 13:31 UTC with a magnitude of 5.6. The closest known location in the current dataset is Iwaki (Japan - JP), about 159.1 km away. The epicenter is located at longitude 142.669 and latitude 36.953.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1987-07-11
Closest countries
The 12 closest cities near the epicenter.
| Iwaki | 159.1 km |
| Minami-Sōma | 167.5 km |
| Kitaibaraki | 172.0 km |
| Sōma | 180.1 km |
| Hitachi | 184.3 km |
| Tamura | 190.7 km |
| Funaishikawa | 195.3 km |
| Hitachi-ota | 196.1 km |
| Hitachi-Naka | 200.4 km |
| Inada | 200.6 km |
| Watari | 200.7 km |
| Katsuta | 201.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
|
98.6 km |
|
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
|
121.2 km |
|
M 4.5
Minami-Sōma
Japan · 2026-03-10 06:28 UTC
|
158.0 km |
|
M 4.3
Iwaki
Japan · 2026-02-15 08:28 UTC
|
82.6 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
147.7 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
189.0 km |
|
M 4.0
Hitachiomiya
Japan · 2026-01-23 21:20 UTC
|
211.4 km |
|
M 4.0
Hitachi-ota
Japan · 2025-12-29 21:00 UTC
|
209.1 km |
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