| 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
Kashiwa
Japan · 2026-04-01 01:06 UTC
|
73.3 km |
|
M 4.1
Ōta
Japan · 2026-02-15 02:52 UTC
|
91.4 km |
|
M 4.3
Ōta
Japan · 2026-02-09 12:27 UTC
|
100.2 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
94.0 km |
|
M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
|
99.0 km |
|
M 4.1
Hasaki
Japan · 2026-02-03 18:36 UTC
|
89.2 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
53.4 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
19.3 km |
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