| 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 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
|
69.4 km |
|
M 4.1
Ōta
Japan · 2026-02-15 02:52 UTC
|
89.9 km |
|
M 4.3
Ōta
Japan · 2026-02-09 12:27 UTC
|
98.2 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
90.4 km |
|
M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
|
92.9 km |
|
M 4.1
Hasaki
Japan · 2026-02-03 18:36 UTC
|
84.4 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
56.9 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
16.6 km |
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.