| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 17.4 km |
| Coordinates | 39.826, 143.331 |
| UTC time | 1991-08-11 03:07:18.700 |
Earthquake details
Sunday, August 11, 1991 Earthquake
The earthquake hit Japan on Sunday, August 11, 1991 at 03:07 UTC with a magnitude of 5.0. The closest known location in the current dataset is Miyako (Japan - JP), about 120.7 km away. The epicenter is located at longitude 143.331 and latitude 39.826.
| Location | Morioka |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1991-08-11
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.3
Morioka
Japan · 2026-04-11 09:10 UTC
|
154.6 km |
|
M 4.3
Miyako
Japan · 2026-02-24 18:16 UTC
|
119.2 km |
|
M 4.5
Miyako
Japan · 2026-01-26 00:20 UTC
|
135.4 km |
|
M 4.9
Morioka
Japan · 2026-01-11 04:15 UTC
|
145.9 km |
|
M 4.5
Ōdate
Japan · 2026-01-09 11:35 UTC
|
220.5 km |
|
M 4.4
Ōdate
Japan · 2026-01-09 11:24 UTC
|
222.6 km |
|
M 4.6
Hanawa
Japan · 2026-01-09 09:56 UTC
|
213.0 km |
|
M 4.3
Miyako
Japan · 2025-12-31 14:50 UTC
|
133.2 km |
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