| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 52.6 km |
| Coordinates | 37.094, 141.360 |
| UTC time | 1984-10-11 13:10:13.940 |
Earthquake details
Thursday, October 11, 1984 Earthquake
The earthquake hit Japan on Thursday, October 11, 1984 at 13:10 UTC with a magnitude of 5.1. The closest known location in the current dataset is Iwaki (Japan - JP), about 42.6 km away. The epicenter is located at longitude 141.360 and latitude 37.094.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1984-10-11
Closest countries
The 12 closest cities near the epicenter.
| Iwaki | 42.6 km |
| Kitaibaraki | 64.2 km |
| Minami-Sōma | 68.5 km |
| Tamura | 76.8 km |
| Hitachi | 83.8 km |
| Sōma | 86.6 km |
| Sukagawa | 89.1 km |
| Kōriyama | 93.0 km |
| Hitachi-ota | 95.6 km |
| Motomiya | 97.0 km |
| Shirakawa | 97.5 km |
| Nihommatsu | 98.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
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M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
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M 4.3
Shirakawa
Japan · 2026-06-01 15:51 UTC
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M 4.2
Hitachi
Japan · 2026-05-24 06:08 UTC
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Mito
Japan · 2026-05-22 12:39 UTC
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Iwaki
Japan · 2026-04-05 17:28 UTC
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M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
14.8 km
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