| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 31.9 km |
| Coordinates | 35.884, 140.535 |
| UTC time | 1971-10-11 10:16:14.800 |
Earthquake details
Monday, October 11, 1971 Earthquake
The earthquake hit Japan on Monday, October 11, 1971 at 10:16 UTC with a magnitude of 5.5. The closest known location in the current dataset is Sawara (Japan - JP), about 3.2 km away. The epicenter is located at longitude 140.535 and latitude 35.884.
| Location | Narita |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1971-10-11
Closest countries
The 12 closest cities near the epicenter.
| Sawara | 3.2 km |
| Katori-shi | 3.6 km |
| Kamisu | 12.0 km |
| Kashima-shi | 13.4 km |
| Namegata | 14.1 km |
| Sōsa | 18.8 km |
| Yōkaichiba | 20.5 km |
| Inashiki | 20.7 km |
| Asahi | 21.3 km |
| Narita | 22.7 km |
| Ryōgoku | 24.0 km |
| Hokota | 29.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
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Japan · 2026-07-17 19:45 UTC
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Narita
Japan · 2026-07-16 00:01 UTC
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M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
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M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
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M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
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Asahi
Japan · 2026-06-26 04:00 UTC
40.3 km
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Kamisu
Japan · 2026-06-26 03:46 UTC
21.8 km
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