| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 74.7 km |
| Coordinates | 36.454, 140.520 |
| UTC time | 1986-09-20 03:04:58.790 |
Earthquake details
Saturday, September 20, 1986 Earthquake
The earthquake hit Japan on Saturday, September 20, 1986 at 03:04 UTC with a magnitude of 5.1. The closest known location in the current dataset is Inada (Japan - JP), about 2.3 km away. The epicenter is located at longitude 140.520 and latitude 36.454.
| Location | Mito |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1986-09-20
Closest countries
The 12 closest cities near the epicenter.
| Inada | 2.3 km |
| Funaishikawa | 4.4 km |
| Hitachi-Naka | 6.5 km |
| Katsuta | 8.0 km |
| Hitachi-ota | 10.9 km |
| Mito | 13.2 km |
| Hitachiomiya | 16.2 km |
| Hitachi | 20.0 km |
| Okunoya | 21.1 km |
| Tomobe | 22.9 km |
| Kasama | 24.0 km |
| Omitama | 25.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
Iwaki
Japan · 2026-11-10 05:20 UTC
85.7 km
M 4.6
Iwaki
Japan · 2026-11-09 05:01 UTC
83.1 km
M 5.5
Mito
Japan · 2026-11-07 11:07 UTC
87.6 km
M 5.5
Kamisu
Japan · 2026-10-28 15:07 UTC
85.3 km
M 4.5
Chiba
Japan · 2026-10-21 01:04 UTC
94.4 km
M 5.3
Narita
Japan · 2026-10-01 12:27 UTC
83.6 km
M 4.9
Saitama
Japan · 2026-09-28 19:45 UTC
78.4 km
M 5.0
Kashiwa
Japan · 2026-09-16 15:07 UTC
63.0 km
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