| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 73.3 km |
| Coordinates | 36.399, 140.516 |
| UTC time | 1981-02-21 23:23:50.620 |
Earthquake details
Saturday, February 21, 1981 Earthquake
The earthquake hit Japan on Saturday, February 21, 1981 at 23:23 UTC with a magnitude of 5.0. The closest known location in the current dataset is Hitachi-Naka (Japan - JP), about 1.7 km away. The epicenter is located at longitude 140.516 and latitude 36.399.
| Location | Mito |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1981-02-21
Closest countries
The 12 closest cities near the epicenter.
| Hitachi-Naka | 1.7 km |
| Katsuta | 2.3 km |
| Inada | 3.8 km |
| Mito | 8.0 km |
| Funaishikawa | 8.8 km |
| Okunoya | 15.7 km |
| Hitachi-ota | 17.0 km |
| Tomobe | 20.1 km |
| Omitama | 20.2 km |
| Hitachiomiya | 21.0 km |
| Kasama | 22.4 km |
| Hitachi | 25.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Hitachi
Japan · 2026-08-07 18:41 UTC
38.9 km
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
88.5 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
75.5 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
74.7 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
87.9 km
M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
71.9 km
M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
90.7 km
M 5.8
Kamisu
Japan · 2026-06-26 03:46 UTC
79.0 km
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